void CameraMain::UpdateCamera()
{
camRotationMatrix = XMMatrixRotationRollPitchYaw(camPitch, camYaw, 0);
camTarget = XMVector3TransformCoord(DefaultForward, camRotationMatrix);
camTarget = XMVector3Normalize(camTarget);
XMMATRIX RotateYTempMatrix;
RotateYTempMatrix = XMMatrixRotationY(camYaw);
camRight = XMVector3TransformCoord(DefaultRight, RotateYTempMatrix);
camUp = XMVector3TransformCoord(camUp, RotateYTempMatrix);
camForward = XMVector3TransformCoord(DefaultForward, RotateYTempMatrix);
camPosition += moveLeftRight*camRight;
camPosition += moveBackForward*camForward;
moveLeftRight = 0.0f;
moveBackForward = 0.0f;
camTarget = camPosition + camTarget;
camView = XMMatrixLookAtLH(camPosition, camTarget, camUp);
}
void Camera::turn(float dx, float dy)
{
pitch = dy * 0.0005f;
yaw = dx * 0.0005f;
pitch = restrictAngle(pitch);
yaw = restrictAngle(yaw);
XMVECTOR fwd = XMLoadFloat3(&forward);
XMVECTOR camPos = XMLoadFloat3(&position);
XMMATRIX rotMat = XMMatrixRotationRollPitchYaw(pitch, yaw, 0.0f);
fwd = XMVector3TransformCoord(fwd, rotMat);
fwd = XMVector3Normalize(fwd);
XMStoreFloat3(&forward, fwd);
}
void Entity::UpdateAAB()
{
XMFLOAT3 vMinf3(+MathHelper::Infinity, +MathHelper::Infinity, +MathHelper::Infinity);
XMFLOAT3 vMaxf3(-MathHelper::Infinity, -MathHelper::Infinity, -MathHelper::Infinity);
XMVECTOR vMin = XMLoadFloat3(&vMinf3);
XMVECTOR vMax = XMLoadFloat3(&vMaxf3);
for (size_t i = 0; i < mGrid.Vertices.size(); ++i)
{
XMVECTOR P = XMLoadFloat3(&mMeshVertices[i].Pos);
P = XMVector3TransformCoord(P, XMLoadFloat4x4(&mWorld));
vMin = XMVectorMin(vMin, P);
vMax = XMVectorMax(vMax, P);
}
XMStoreFloat3(&mMeshBox.Center, 0.5f*(vMin + vMax));
XMStoreFloat3(&mMeshBox.Extents, 0.5f*(vMax - vMin));
}
void DX11SpriteBatch::BuildSpriteQuad(const Sprite& sprite, MeshData::SpriteVertex v[4])
{
const CD3D11_RECT& dest = sprite.DestRect;
const CD3D11_RECT& src = sprite.SrcRect;
// Dest rect defines target in screen space.
v[0].pos = PointToNdc(dest.left, dest.bottom, sprite.Z);
v[1].pos = PointToNdc(dest.left, dest.top, sprite.Z);
v[2].pos = PointToNdc(dest.right, dest.top, sprite.Z);
v[3].pos = PointToNdc(dest.right, dest.bottom, sprite.Z);
// Source rect defines subset of texture to use from sprite sheet.
v[0].tex = Vector2((float)src.left / mTexWidth, (float)src.bottom / mTexHeight);
v[1].tex = Vector2((float)src.left / mTexWidth, (float)src.top / mTexHeight);
v[2].tex = Vector2((float)src.right / mTexWidth, (float)src.top / mTexHeight);
v[3].tex = Vector2((float)src.right / mTexWidth, (float)src.bottom / mTexHeight);
v[0].color = (u32)sprite.Color;
v[1].color = (u32)sprite.Color;
v[2].color = (u32)sprite.Color;
v[3].color = (u32)sprite.Color;
// Quad center point.
float tx = 0.5f*(v[0].pos.x + v[3].pos.x);
float ty = 0.5f*(v[0].pos.y + v[1].pos.y);
XMVECTOR scaling = XMVectorSet(sprite.Scale, sprite.Scale, 1.0f, 0.0f);
XMVECTOR origin = XMVectorSet(tx, ty, 0.0f, 0.0f);
XMVECTOR translation = XMVectorSet(0.0f, 0.0f, 0.0f, 0.0f);
XMMATRIX T = XMMatrixAffineTransformation2D(scaling, origin, sprite.Angle, translation);
// Rotate and scale the quad in NDC space.
for(int i = 0; i < 4; ++i)
{
XMFLOAT3 vec = v[i].pos;
XMVECTOR p = XMLoadFloat3(&vec);
p = XMVector3TransformCoord(p, T);
XMStoreFloat3(&vec, p);
v[i].pos.Set(vec.x, vec.y, vec.z);
}
}
uint32_t Physics::exe_ob(uint32_t const& _x, uint32_t const& _y) const {
XMVECTOR _pocz, _pocz1, _kier, _kier1;
comp_ray_click(_pocz, _kier, _x, _y);
float _t = 1000.0f, _t1;
uint32_t _uch_wybr = 0x80000000;
for(uint32_t _uch_ob = 0; _uch_ob < graph_par.no.wez_poj(); ++_uch_ob) {
if(graph_par.no.sprawdz_pusty(_uch_ob)) continue;
_pocz1 = XMVector3TransformCoord(_pocz, XMMatrixInverse(
&XMVectorSet(0,0,0,0), XMLoadFloat4x4(&phys_par.mtx_world[graph_par.no[_uch_ob]])
));
_kier1 = XMVector3TransformNormal(_kier, XMMatrixInverse(
&XMVectorSet(0,0,0,0), XMLoadFloat4x4(&phys_par.mtx_world[graph_par.no[_uch_ob]])
));
_t1 = comp_ray_ob(_pocz1, _kier1, graph_par.no[_uch_ob]);
if(_t1 < _t) {
_t = _t1;
_uch_wybr = _uch_ob;
}
}
return _uch_wybr;
}
void Projekt::buildShadowTransform()
{
// Only first "main" light casts a shadow
// So get light direction and position from first light
XMVECTOR lightDir = XMLoadFloat3(&mDirLights[0].Direction);
XMVECTOR lightPos = -2.0f*mSceneBounds.Radius*lightDir;
XMVECTOR targetPos = XMLoadFloat3(&mSceneBounds.Center);
XMVECTOR up = XMVectorSet(0.0f, 1.0f, 0.0f, 0.0f);
XMMATRIX V = XMMatrixLookAtLH(lightPos, targetPos, up);
// Transform bounding sphere to light space
XMFLOAT3 sphereCenterLS;
XMStoreFloat3(&sphereCenterLS, XMVector3TransformCoord(targetPos, V));
// Orthogonal frustum in light space encloses scene
float l = sphereCenterLS.x - mSceneBounds.Radius;
float b = sphereCenterLS.y - mSceneBounds.Radius;
float n = sphereCenterLS.z - mSceneBounds.Radius;
float r = sphereCenterLS.x + mSceneBounds.Radius;
float t = sphereCenterLS.y + mSceneBounds.Radius;
float f = sphereCenterLS.z + mSceneBounds.Radius;
XMMATRIX P = XMMatrixOrthographicOffCenterLH(l, r, b, t, n, f);
// Transform NDC space [-1,+1]^2 to texture space [0,1]^2
XMMATRIX T(
0.5f, 0.0f, 0.0f, 0.0f,
0.0f, -0.5f, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.5f, 0.5f, 0.0f, 1.0f);
XMMATRIX S = V*P*T;
XMStoreFloat4x4(&mLightView, V);
XMStoreFloat4x4(&mLightProj, P);
XMStoreFloat4x4(&mShadowTransform, S);
}
void Camera::UpdateCamera()
{
static XMVECTOR DefaultForward = XMVectorSet(0.0f, 0.0f, 1.0f, 0.0f);
static XMVECTOR DefaultRight = XMVectorSet(1.0f, 0.0f, 0.0f, 0.0f);
static XMVECTOR camForward = XMVectorSet(0.0f, 0.0f, 1.0f, 0.0f);
static XMVECTOR camRight = XMVectorSet(1.0f, 0.0f, 0.0f, 0.0f);
static XMVECTOR camUp = XMVectorSet(0.0f, 1.0f, 0.0f, 0.0f);
static XMVECTOR camPosition = XMVectorSet(0.0f, 2.0f, -5.0f, 0.0f);
static XMVECTOR camTarget = XMVectorSet(0.0f, 0.0f, 0.0f, 0.0f);
static XMMATRIX camView;
//Rotating the Camera by euler angle
XMMATRIX camRotationMatrix = XMMatrixRotationRollPitchYaw(camPitch, camYaw, 0);
camTarget = XMVector3TransformCoord(DefaultForward, camRotationMatrix );
camTarget = XMVector3Normalize(camTarget);
XMMATRIX RotateYTempMatrix;
RotateYTempMatrix = XMMatrixRotationY(camYaw);
//We only move the xz plane by axis y
//Update the camera vector
camRight = XMVector3TransformCoord(DefaultRight, RotateYTempMatrix);
camUp = XMVector3TransformCoord(camUp, RotateYTempMatrix);
camForward = XMVector3TransformCoord(DefaultForward, RotateYTempMatrix);
// Free-Look Camera
camRight = XMVector3TransformCoord(DefaultRight, camRotationMatrix);
camForward = XMVector3TransformCoord(DefaultForward, camRotationMatrix);
camUp = XMVector3Cross(camForward, camRight);
//Moving the Camera
camPosition += moveLeftRight*camRight;
camPosition += moveBackForward*camForward;
moveLeftRight = 0.0f;
moveBackForward = 0.0f;
camTarget = camPosition + camTarget;
//Set the camera matrix
camView = XMMatrixLookAtLH( camPosition, camTarget, camUp );
XMStoreFloat4x4(&m_camView, XMMatrixTranspose(camView));
XMStoreFloat4(&m_camPosition, camPosition);
}
//--------------------------------------------------------------------------------------
// Name: ComputeMeshBoundingBox()
// Desc: Calculate the bounding box of the transformed mesh.
//--------------------------------------------------------------------------------------
VOID Mesh::ComputeMeshBoundingBox( MESH_DATA* pMesh, const XMMATRIX mat,
XMVECTOR& vMin, XMVECTOR& vMax )
{
// Initialize bounds to be reset on the first point
vMin.x = vMin.y = vMin.z = +FLT_MAX;
vMax.x = vMax.y = vMax.z = -FLT_MAX;
DWORD dwNumVertices = pMesh->m_dwNumVertices;
DWORD dwVertexSize = pMesh->m_dwVertexSize;
BYTE* pVertexData;
pMesh->m_VB.Lock( 0, 0, ( VOID** )&pVertexData, D3DLOCK_READONLY );
while( dwNumVertices-- )
{
XMFLOAT3* pVertex = ( XMFLOAT3* )pVertexData;
XMVECTOR vPos = XMVectorSet( pVertex->x, pVertex->y, pVertex->z, 0 );
vPos = XMVector3TransformCoord( vPos, mat );
UnionBox( vMin, vMax, vPos, vPos ); // Expand the bounding box to include the point
pVertexData += dwVertexSize;
}
pMesh->m_VB.Unlock();
}
void Camera::RotateYaw(float deg)
{
XMMATRIX rotation = XMMatrixRotationAxis(mUp, deg);
mEye = XMVector3TransformCoord(mEye, rotation);
}
VOID
Font::BuildSpriteQuad( Sprite *sprite, SpriteVertex v[ 4 ] )
{
FLOAT vertLeft = 2.0f * (float) sprite->DestRect.left / ScreenWidth - 1.0f;
FLOAT vertRight = 2.0f * (float) sprite->DestRect.right / ScreenWidth - 1.0f;
FLOAT vertTop = 1.0f - 2.0f * (float) sprite->DestRect.top / ScreenHeight;
FLOAT vertBottom = 1.0f - 2.0f * (float) sprite->DestRect.bottom / ScreenHeight;
float tx, ty;
int i;
XMVECTOR scaling, origin, translation;
XMMATRIX T;
v[ 0 ].x = vertLeft;
v[ 0 ].y = vertBottom;
v[ 0 ].z = sprite->Z;
v[ 0 ].Tex.x = (float)sprite->SrcRect.left / m_dwTexWidth;
v[ 0 ].Tex.y = (float)sprite->SrcRect.bottom / m_dwTexHeight;
v[ 0 ].Color = sprite->Color;
v[ 1 ].x = vertLeft;
v[ 1 ].y = vertTop;
v[ 1 ].z = sprite->Z;
v[ 1 ].Tex.x = (float)sprite->SrcRect.left / m_dwTexWidth;
v[ 1 ].Tex.y = (float)sprite->SrcRect.top / m_dwTexHeight;
v[ 1 ].Color = sprite->Color;
v[ 2 ].x = vertRight;
v[ 2 ].y = vertTop;
v[ 2 ].z = sprite->Z;
v[ 2 ].Tex.x = (float)sprite->SrcRect.right / m_dwTexWidth;
v[ 2 ].Tex.y = (float)sprite->SrcRect.top / m_dwTexHeight;
v[ 2 ].Color = sprite->Color;
v[ 3 ].x = vertRight;
v[ 3 ].y = vertBottom;
v[ 3 ].z = sprite->Z;
v[ 3 ].Tex.x = (float)sprite->SrcRect.right / m_dwTexWidth;
v[ 3 ].Tex.y = (float)sprite->SrcRect.bottom / m_dwTexHeight;
v[ 3 ].Color = sprite->Color;
tx = 0.5f * ( v[ 0 ].x + v[ 3 ].x );
ty = 0.5f * ( v[ 0 ].y + v[ 1 ].y );
scaling = XMVectorSet( sprite->Scale, sprite->Scale, 1.0f, 0.0f );
origin = XMVectorSet( tx, ty, 0.0f, 0.0f );
translation = XMVectorSet( 0.0f, 0.0f, 0.0f, 0.0f );
T = XMMatrixAffineTransformation2D( scaling, origin, sprite->Angle, translation );
for( i = 0; i < 4; ++i )
{
XMFLOAT3 xmfloat;
XMVECTOR p;
xmfloat.x = v[ i ].x;
xmfloat.y = v[ i ].y;
xmfloat.z = v[ i ].z;
p = XMLoadFloat3( &xmfloat );
p = XMVector3TransformCoord( p, &T );
XMStoreFloat3( &xmfloat, p );
v[ i ].x = xmfloat.x;
v[ i ].y = xmfloat.y;
v[ i ].z = xmfloat.z;
}
}
void CameraClass::SetupViewMat()
{
XMFLOAT3 up, position, lookAt;
float yaw, pitch, roll;
XMMATRIX rotationMatrix;
// Setup the vector that points upwards.
up.x = 0.0f;
up.y = 1.0f;
up.z = 0.0f;
// Setup the position of the camera in the world.
position.x = m_positionX;
position.y = m_positionY;
position.z = m_positionZ;
// Setup where the camera is looking by default.
lookAt.x = 0.0f;
lookAt.y = 0.0f;
lookAt.z = 1.0f;
// Set the yaw (Y axis), pitch (X axis), and roll (Z axis) rotations in radians.
pitch = m_rotationX;
yaw = m_rotationY;
roll = m_rotationZ;
// Create the rotation matrix from the yaw, pitch, and roll values.
//D3DXMatrixRotationYawPitchRoll(&rotationMatrix, yaw, pitch, roll);
rotationMatrix = XMMatrixRotationRollPitchYaw(pitch, yaw, roll);
// Transform the lookAt and up vector by the rotation matrix so the view is correctly rotated at the origin.
//D3DXVec3TransformCoord(&lookAt, &lookAt, &rotationMatrix);
XMStoreFloat3(&lookAt, XMVector3TransformCoord(XMLoadFloat3(&lookAt), rotationMatrix));
//D3DXVec3TransformCoord(&up, &up, &rotationMatrix);
XMStoreFloat3(&up, XMVector3TransformCoord(XMLoadFloat3(&up), rotationMatrix));
// Translate the rotated camera position to the location of the viewer.
lookAt = XMFLOAT3(position.x + lookAt.x, position.y + lookAt.y, position.z + lookAt.z);
// Move in direction your facing
/*XMFLOAT3 forwardVector;
forwardVector.x = lookAt.x - position.x;
forwardVector.y = lookAt.y - position.y;
forwardVector.z = lookAt.z - position.z;
XMVector3Normalize(XMLoadFloat3(&forwardVector));
lookAt.x += forwardVector.x;
lookAt.y += forwardVector.y;
lookAt.z += forwardVector.z;
position.x += forwardVector.x;
position.y += forwardVector.y;
position.z += forwardVector.z;*/
// Finally create the view matrix from the three updated vectors.
//D3DXMatrixLookAtLH(&m_viewMatrix, &position, &lookAt, &up);
m_viewMatrix = XMMatrixLookAtLH(XMLoadFloat3(&position), XMLoadFloat3(&lookAt), XMLoadFloat3(&up));
return;
}
Float3 Float3::Transform(const Float3& v, const Float4x4& m)
{
XMVECTOR vec = v.ToSIMD();
vec = XMVector3TransformCoord(vec, m.ToSIMD());
return Float3(vec);
}
void Enemy::move(FLOAT dt)
{
bool dontUpdate = false;
XMMATRIX startingworldMatrix = XMLoadFloat4x4(&mEnemyStartingWorld);
XMVECTOR S;
XMVECTOR P;
XMVECTOR Q;
XMMatrixDecompose(&S, &Q, &P, startingworldMatrix);
XMVECTOR enemyPosition = XMLoadFloat3(&mEnemyPosition);
FLOAT newPos = XMVectorGetZ(enemyPosition);
FLOAT oldPos = XMVectorGetZ(P);
direction = XMVectorSet(0.0f, 0.0f, 0.0f, 0.0f);
FLOAT diffX;
FLOAT diffY;
FLOAT diffZ;
diffX = 0;
diffY = 0;
diffZ = 0;
if (travelToPoint == 2)
{
diffX = mEnemyPosition.x - mEnemyPositionTwo.x;
diffY = mEnemyPosition.y - mEnemyPositionTwo.y;
diffZ = mEnemyPosition.z - mEnemyPositionTwo.z;
mEnemyPositionThree.x;
int nothing = 0;
if (diffX < 0.0f)
{
diffX *= -1;
}
if (diffY < 0.0f)
{
diffY *= -1;
}
if (diffZ < 0.0f)
{
diffZ *= -1;
}
//////////////////////////////////
if (diffX < 0.01)
{
mEnemyPosition.x = mEnemyPositionTwo.x;
}
if (diffY < 0.01)
{
mEnemyPosition.y = mEnemyPositionTwo.y;
}
if (diffZ < 0.01)
{
mEnemyPosition.z = mEnemyPositionTwo.z;
}
////////////////////////////////
if (mEnemyPosition.x > mEnemyPositionTwo.x)
{
direction += XMVectorSet(-1.0f, 0.0f, 0, 0.0f);
}
else if (mEnemyPosition.x < mEnemyPositionTwo.x)
{
direction += XMVectorSet(1.0f, 0.0f, 0, 0.0f);
}
if (mEnemyPosition.z > mEnemyPositionTwo.z)
{
direction += XMVectorSet(0.0f, 0.0f, -1.0f, 0.0f);
}
else if (mEnemyPosition.z < mEnemyPositionTwo.z)
{
direction += XMVectorSet(0.0f, 0.0f, 1.0f, 0.0f);
}
if (mEnemyPosition.y > mEnemyPositionTwo.y)
{
direction += XMVectorSet(0.0f, -1.0f, 0.0f, 0.0f);
}
else if (mEnemyPosition.y < mEnemyPositionTwo.y)
{
direction += XMVectorSet(0.0f, 1.0f, 0.0f, 0.0f);
}
if (diffX < 0.05f && diffY < 0.05f && diffZ < 0.05f)
{
if (timesThrough == 0)
{
if (mEnemyPositionThree.x == 0)
{
dontUpdate = true;
travelToPoint = 1;
lastPoint = mEnemyPositionTwo;
}
else if (mEnemyPositionThree.x != 0)
{
dontUpdate = true;
travelToPoint = 3;
lastPoint = mEnemyPositionTwo;
}
}
else
{
dontUpdate = true;
travelToPoint = 1;
lastPoint = mEnemyPositionTwo;
}
int something = 1;
}
}
/////////////////////////////////////////
else if (travelToPoint == 1)
{
timesThrough = 0;
diffX = mEnemyPosition.x - mEnemyPositionOne.x;
diffY = mEnemyPosition.y - mEnemyPositionOne.y;
diffZ = mEnemyPosition.z - mEnemyPositionOne.z;
if (diffX < 0.0f)
{
diffX *= -1;
}
if (diffY < 0.0f)
{
diffY *= -1;
}
if (diffZ < 0.0f)
{
diffZ *= -1;
}
//////////////////////////////////
if (diffX < 0.01)
{
mEnemyPosition.x = mEnemyPositionOne.x;
}
if (diffY < 0.01)
{
mEnemyPosition.y = mEnemyPositionOne.y;
}
if (diffZ < 0.01)
{
mEnemyPosition.z = mEnemyPositionOne.z;
}
////////////////////////////////
if (mEnemyPosition.x > mEnemyPositionOne.x)
{
direction += XMVectorSet(-1.0f, 0.0f, 0, 0.0f);
}
if (mEnemyPosition.x < mEnemyPositionOne.x)
{
direction += XMVectorSet(1.0f, 0.0f,0, 0.0f);
}
if (mEnemyPosition.z > mEnemyPositionOne.z && diffZ > 0.01)
{
direction += XMVectorSet(0.0f, 0.0f, -1.0f, 0.0f);
}
if (mEnemyPosition.z < mEnemyPositionOne.z && diffZ > 0.01)
{
direction += XMVectorSet(0.0f, 0.0f, 1.0f, 0.0f);
}
if (mEnemyPosition.y > mEnemyPositionOne.y)
{
direction += XMVectorSet(0.0f, -1.0f, 0.0f, 0.0f);
}
if (mEnemyPosition.y < mEnemyPositionOne.y)
{
direction += XMVectorSet(0.0f, 1.0f, 0.0f, 0.0f);
}
if (diffX < 0.05f && diffY < 0.05f && diffZ < 0.05f)
{
travelToPoint = 2;
lastPoint = mEnemyPositionOne;
}
}
////////////////////////////////////////////////////////////////////////////////
else if (travelToPoint == 3 && timesThrough == 0)
{
diffX = mEnemyPosition.x - mEnemyPositionThree.x;
diffY = mEnemyPosition.y - mEnemyPositionThree.y;
diffZ = mEnemyPosition.z - mEnemyPositionThree.z;
int nothing;
if (diffX < 0.0f)
{
diffX *= -1;
}
if (diffY < 0.0f)
{
diffY *= -1;
}
if (diffZ < 0.0f)
{
diffZ *= -1;
}
//////////////////////////////////
if (diffX < 0.01)
{
mEnemyPosition.x = mEnemyPositionThree.x;
}
if (diffY < 0.01)
{
mEnemyPosition.y = mEnemyPositionThree.y;
}
if (diffZ < 0.01)
{
mEnemyPosition.z = mEnemyPositionThree.z;
}
////////////////////////////////
if (mEnemyPosition.x > mEnemyPositionThree.x)
{
direction += XMVectorSet(-1.0f, 0.0f, 0, 0.0f);
}
if (mEnemyPosition.x < mEnemyPositionThree.x)
{
direction += XMVectorSet(1.0f, 0.0f, 0, 0.0f);
}
if (mEnemyPosition.z > mEnemyPositionThree.z)
{
direction += XMVectorSet(0.0f, 0.0f, -1.0f, 0.0f);
}
if (mEnemyPosition.z < mEnemyPositionThree.z)
{
direction += XMVectorSet(0.0f, 0.0f, 1.0f, 0.0f);
}
if (mEnemyPosition.y > mEnemyPositionThree.y)
{
direction += XMVectorSet(0.0f, -1.0f, 0.0f, 0.0f);
}
if (mEnemyPosition.y < mEnemyPositionThree.y)
{
direction += XMVectorSet(0.0f, 1.0f, 0.0f, 0.0f);
}
if (diffX < 0.05f && diffY < 0.05f && diffZ < 0.05f)
{
if (mEnemyPositionFour.x == NULL)
{
travelToPoint = 2;
timesThrough = 1;
}
else
{
travelToPoint = 4;
}
}
}
else if (travelToPoint == 4)
{
diffX = mEnemyPosition.x - mEnemyPositionFour.x;
diffY = mEnemyPosition.y - mEnemyPositionFour.y;
diffZ = mEnemyPosition.z - mEnemyPositionFour.z;
if (diffX < 0.0f)
{
diffX *= -1;
}
if (diffY < 0.0f)
{
diffY *= -1;
}
if (diffZ < 0.0f)
{
diffZ *= -1;
}
//////////////////////////////////
if (diffX < 0.001)
{
mEnemyPosition.x = mEnemyPositionFour.x;
}
if (diffY < 0.001)
{
mEnemyPosition.y = mEnemyPositionFour.y;
}
if (diffZ < 0.001)
{
mEnemyPosition.z = mEnemyPositionFour.z;
}
////////////////////////////////
if (mEnemyPosition.x > mEnemyPositionFour.x)
{
direction += XMVectorSet(-1.0f, 0.0f, 0, 0.0f);
}
if (mEnemyPosition.x < mEnemyPositionFour.x)
{
direction += XMVectorSet(1.0f, 0.0f,0, 0.0f);
}
if (mEnemyPosition.z > mEnemyPositionFour.z && diffZ > 0.01)
{
direction += XMVectorSet(0.0f, 0.0f, -1.0f, 0.0f);
}
if (mEnemyPosition.z < mEnemyPositionFour.z && diffZ > 0.01)
{
direction += XMVectorSet(0.0f, 0.0f, 1.0f, 0.0f);
}
if (mEnemyPosition.y > mEnemyPositionFour.y)
{
direction += XMVectorSet(0.0f, -1.0f, 0.0f, 0.0f);
}
if (mEnemyPosition.y < mEnemyPositionFour.y)
{
direction += XMVectorSet(0.0f, 1.0f, 0.0f, 0.0f);
}
if (diffX < 0.05f && diffY < 0.05f && diffZ < 0.05f)
{
travelToPoint = 1;
lastPoint = mEnemyPositionFour;
}
}
XMMATRIX worldMatrix = XMLoadFloat4x4(&mEnemyWorld);
XMVECTOR r = XMLoadFloat3(&mEnemyPosition);
// Normalize our destinated direction vector
direction = XMVector3Normalize(direction);
/////character spinning make it more smooth
if (XMVectorGetX(XMVector3Dot(direction, oldCharDirection)) == -1)
{
oldCharDirection += XMVectorSet(1.11f, 1.0f, 0.0f, 0.0f);
}
///////get characters position in world space
charPosition = XMVectorSet(0.0f, 0.0f, 0.0f, 0.0f);
charPosition = XMVector3TransformCoord(charPosition, worldMatrix);
///// rotate the character
float destDirLength = 10.0f * dt;
currCharDirection = (oldCharDirection)+(direction * destDirLength);
currCharDirection = XMVector3Normalize(currCharDirection);
// get the angle
float charDirAngle = XMVectorGetX(XMVector3AngleBetweenNormals(XMVector3Normalize(currCharDirection), XMVector3Normalize(EnemyForward)));
if (XMVectorGetY(XMVector3Cross(currCharDirection, EnemyForward)) > 0.0f)
{
charDirAngle = -charDirAngle;
}
float Speed = speed * dt;
direction = direction * Speed;
charPosition = charPosition + direction;
XMMATRIX rotationMatrix;
XMMATRIX Translation = XMMatrixTranslation(XMVectorGetX(charPosition), XMVectorGetY(charPosition), XMVectorGetZ(charPosition));
rotationMatrix = XMMatrixRotationY(charDirAngle - 3.14159265f); // Subtract PI from angle so the character doesn't run backwards
worldMatrix = rotationMatrix * Translation;
XMMatrixDecompose(&S, &Q, &P, worldMatrix);
XMStoreFloat3(&mEnemyPosition, P);
XMStoreFloat4(&mEnemyRotationQuad, Q);
XMStoreFloat4x4(&mEnemyWorld, worldMatrix);
oldCharDirection = currCharDirection;
}
void CameraClass::Render()
{
XMFLOAT3 up, position, lookAt;
XMVECTOR upVector, positionVector, lookAtVector;
float yaw, pitch, roll;
XMMATRIX rotationMatrix;
// Setup the vector that points upwards.
up.x = 0.0f;
up.y = 1.0f;
up.z = 0.0f;
// Load it into a XMVECTOR structure.
upVector = XMLoadFloat3(&up);
float playerX = m_playerPos.x;
float playerY = m_playerPos.y;
if (playerX >= (m_positionX + (m_screenWidth / 2) - m_screenBarrier)) // (ScreenWidth / 2) - screenBarrier
{
m_cameraIsMovingX = true;
m_cameraPosGoTo.x = playerX;
if (m_cameraVelocity < 0.0f)
{
m_cameraVelocity *= -1.0f;
}
}
else if (playerX <= (m_positionX - (m_screenWidth / 2) + m_screenBarrier))
{
m_cameraIsMovingX = true;
m_cameraPosGoTo.x = playerX;
if (m_cameraVelocity > 0.0f)
{
m_cameraVelocity *= -1.0f;
}
}
if (playerY >= (m_positionY + (m_screenHeight / 2) - m_screenBarrier)) // (ScreenHeight / 2 ) - screenBarrier
{
m_cameraIsMovingY = true;
m_cameraPosGoTo.y = playerY;
if (m_cameraVelocity < 0.0f)
{
m_cameraVelocity *= -1.0f;
}
}
else if (playerY <= (m_positionY - (m_screenHeight / 2) + m_screenBarrier))
{
m_cameraIsMovingY = true;
m_cameraPosGoTo.y = playerY;
if (m_cameraVelocity > 0.0f)
{
m_cameraVelocity *= -1.0f;
}
}
// Setup the position of the camera in the world.
position.x = m_positionX;
position.y = m_positionY;
position.z = m_positionZ;
// Load it into a XMVECTOR structure.
positionVector = XMLoadFloat3(&position);
// Setup where the camera is looking by default.
lookAt.x = 0.0f;
lookAt.y = 0.0f;
lookAt.z = 1.0f;
// Load it into a XMVECTOR structure.
lookAtVector = XMLoadFloat3(&lookAt);
// Set the yaw (Y axis), pitch (X axis), and roll (Z axis) rotations in radians.
pitch = m_rotationX * 0.0174532925f;
yaw = m_rotationY * 0.0174532925f;
roll = m_rotationZ * 0.0174532925f;
// Create the rotation matrix from the yaw, pitch, and roll values.
rotationMatrix = XMMatrixRotationRollPitchYaw(pitch, yaw, roll);
// Transform the lookAt and up vector by the rotation matrix so the view is correctly rotated at the origin.
lookAtVector = XMVector3TransformCoord(lookAtVector, rotationMatrix);
upVector = XMVector3TransformCoord(upVector, rotationMatrix);
// Translate the rotated camera position to the location of the viewer.
lookAtVector = XMVectorAdd(positionVector, lookAtVector);
// Finally create the view matrix from the three updated vectors.
m_viewMatrix = XMMatrixLookAtLH(positionVector, lookAtVector, upVector);
return;
}
bool CameraHandler::CameraMeshIntersect(GroundModel* model) {
int fp;
float y1;
float y2;
float y3;
float avY;
bool result = false;
XMVECTOR tempCamPos = this->GetPosition();
XMFLOAT3 camLocalPos;
XMMATRIX modelWorldMatrix;
XMMATRIX modelWorldMatrixInverse;
int modelWidth = model->getHeightMapInfo().terrainWidth;
int modelHeight = model->getHeightMapInfo().terrainHeight;
//Move camera into the models local space
model->GetWorldMatrix(modelWorldMatrix);
HeightMap::HeightMapInfo hmInfo = model->getHeightMapInfo();
modelWorldMatrixInverse = XMMatrixInverse(nullptr,modelWorldMatrix);
XMVECTOR camPosLocalMesh = XMVector3TransformCoord(tempCamPos, modelWorldMatrixInverse); //CamPos in the mesh local space
XMStoreFloat3(&camLocalPos, camPosLocalMesh);
//Check if we are inside the x and z
if ((camLocalPos.x >= 0 && camLocalPos.x <= modelWidth) &&
(camLocalPos.z >= 0 && camLocalPos.z <= modelHeight)
)
{
//Find whitch triangel we are inside
if ((camLocalPos.x - (int)camLocalPos.x) + (camLocalPos.z - (int)camLocalPos.z) <= 1.0f) { // Top left triangle
fp = ((int)camLocalPos.x) + ((int) camLocalPos.z * modelWidth);
y1 = hmInfo.heightMap[fp].y;
if ((int)camLocalPos.z == modelHeight-1) {
y2 = 0;
}
else {
y2 = hmInfo.heightMap[fp + modelWidth].y;
}
if ((int)camLocalPos.x == modelWidth) {
y3 = 0;
}
else {
y3 = hmInfo.heightMap[fp + 1].y;
}
avY = (y1 + y2 + y3) / 3;
if (avY > 1000) {
int j = 0;
}
this->SetPosition(XMVectorGetX(this->GetPosition()), avY, XMVectorGetZ(this->GetPosition()), false);
}
else { // Bottom right triangle
int fp = ((int)camLocalPos.x) + ((int)camLocalPos.z * modelWidth);
y1 = hmInfo.heightMap[fp].y;
if ((int)camLocalPos.z == 0) {
y2 = 0;
}
else {
y2 = hmInfo.heightMap[fp - modelHeight].y;
}
if ((int)camLocalPos.x == 0) {
y3 = 0;
}
else {
y3 = hmInfo.heightMap[fp - 1].y;
}
avY = (y1 + y2 + y3) / 3;
if (avY > 1000) {
int j = 0;
}
}
XMVECTOR tempV = XMVectorSet(1,avY, 1, 1);
XMVector3TransformCoord(tempV, modelWorldMatrix);
this->SetPosition(XMVectorGetX(this->GetPosition()), XMVectorGetY(tempV), XMVectorGetZ(this->GetPosition()), false);
result = true;
}
//Check if the point is inside the triangel plane
// return bool if it is inside or not which will cancel the questioned action in updateCamera
return result;
}
/*--------------------------------------------
画面の描画処理
--------------------------------------------*/
HRESULT Render(void)
{
HRESULT hr;
// 描画ターゲットのクリア
g_pImmediateContext->ClearRenderTargetView(
g_pRenderTargetView, // クリアする描画ターゲット
g_ClearColor); // クリアする値
// 深度/ステンシルのクリア
g_pImmediateContext->ClearDepthStencilView(
g_pDepthStencilView, // クリアする深度/ステンシル・ビュー
D3D11_CLEAR_DEPTH | D3D11_CLEAR_STENCIL, // 深度値とステンシル値をクリアする
1.0f, // 深度バッファをクリアする値
0); // ステンシル・バッファをクリアする値
// ***************************************
// 定数バッファを更新
// ビュー変換行列
XMVECTORF32 eyePosition = { 0.0f, g_fEye, -g_fEye, 1.0f }; // 視点(カメラの位置)
XMVECTORF32 focusPosition = { 0.0f, 0.0f, 0.0f, 1.0f }; // 注視点
XMVECTORF32 upDirection = { 0.0f, 1.0f, 0.0f, 1.0f }; // カメラの上方向
XMMATRIX mat = XMMatrixLookAtLH(eyePosition, focusPosition, upDirection);
XMStoreFloat4x4(&g_cbCBuffer.View, XMMatrixTranspose(mat));
// 点光源座標
XMVECTOR vec = XMVector3TransformCoord(XMLoadFloat3(&g_vLightPos), mat);
XMStoreFloat3(&g_cbCBuffer.Light, vec);
// ワールド変換行列
XMFLOAT3 center = g_wfObjKuma.GetBoundingSphereCenter();
XMMATRIX matTrans = XMMatrixTranslation(-center.x, -center.y, -center.z);
float scale = 1.0f / g_wfObjKuma.GetBoundingSphereRadius();
XMMATRIX matScale = XMMatrixScaling(scale, scale, scale);
FLOAT rotate = (FLOAT)(XM_PI * (timeGetTime() % 3000)) / 1500.0f;
XMMATRIX matY = XMMatrixRotationY(rotate);
XMStoreFloat4x4(&g_cbCBuffer.World, XMMatrixTranspose(matTrans * matScale * matY));
// **********************************************************
// RSにビューポートを設定
g_pImmediateContext->RSSetViewports(1, g_ViewPort);
// OMに描画ターゲット ビューと深度/ステンシル・ビューを設定
g_pImmediateContext->OMSetRenderTargets(1, &g_pRenderTargetView, g_pDepthStencilView);
// VSに定数バッファを設定
g_pImmediateContext->VSSetConstantBuffers(0, 1, &g_pCBuffer);
// GSに定数バッファを設定
g_pImmediateContext->GSSetConstantBuffers(0, 1, &g_pCBuffer);
// PSに定数バッファを設定
g_pImmediateContext->PSSetConstantBuffers(0, 1, &g_pCBuffer);
// PSにサンプラーを設定
g_pImmediateContext->PSSetSamplers(0, 1, &g_pTextureSampler);
// 3Dオブジェクトの描画
RenderObj();
// シャドウ・ボリュームの描画
RenderSV();
// シャドウの描画
RenderS();
// ***************************************
// バック バッファの表示
hr = g_pSwapChain->Present( 0, // 画面を直ぐに更新する
0); // 画面を実際に更新する
return hr;
}
/*--------------------------------------------
画面の描画処理
--------------------------------------------*/
HRESULT Render(void)
{
HRESULT hr;
// 描画ターゲットのクリア
g_pImmediateContext->ClearRenderTargetView(
g_pRenderTargetView, // クリアする描画ターゲット
g_ClearColor); // クリアする値
// 深度/ステンシルのクリア
g_pImmediateContext->ClearDepthStencilView(
g_pDepthStencilView, // クリアする深度/ステンシル・ビュー
D3D11_CLEAR_DEPTH, // 深度値だけをクリアする
1.0f, // 深度バッファをクリアする値
0); // ステンシル・バッファをクリアする値(この場合、無関係)
// ***************************************
// 立方体の描画
// 定数バッファ�Aを更新
// ビュー変換行列
XMVECTORF32 eyePosition = { 0.0f, 5.0f, -5.0f, 1.0f }; // 視点(カメラの位置)
XMVECTORF32 focusPosition = { 0.0f, 0.0f, 0.0f, 1.0f }; // 注視点
XMVECTORF32 upDirection = { 0.0f, 1.0f, 0.0f, 1.0f }; // カメラの上方向
XMMATRIX mat = XMMatrixLookAtLH(eyePosition, focusPosition, upDirection);
XMStoreFloat4x4(&g_cbCBuffer.View, XMMatrixTranspose(mat));
// 点光源座標
XMVECTOR vec = XMVector3TransformCoord(XMLoadFloat3(&g_vLightPos), mat);
XMStoreFloat3(&g_cbCBuffer.Light, vec);
// ワールド変換行列
XMMATRIX matY, matX;
FLOAT rotate = (FLOAT)(XM_PI * (timeGetTime() % 3000)) / 1500.0f;
matY = XMMatrixRotationY(rotate);
rotate = (FLOAT)(XM_PI * (timeGetTime() % 1500)) / 750.0f;
matX = XMMatrixRotationX(rotate);
XMStoreFloat4x4(&g_cbCBuffer.World, XMMatrixTranspose(matY * matX));
// 定数バッファのマップ取得
D3D11_MAPPED_SUBRESOURCE MappedResource;
hr = g_pImmediateContext->Map(
g_pCBuffer, // マップするリソース
0, // サブリソースのインデックス番号
D3D11_MAP_WRITE_DISCARD, // 書き込みアクセス
0, //
&MappedResource); // データの書き込み先ポインタ
if (FAILED(hr))
return DXTRACE_ERR(L"InitBackBuffer g_pImmediateContext->Map", hr); // 失敗
// データ書き込み
CopyMemory(MappedResource.pData, &g_cbCBuffer, sizeof(cbCBuffer));
// マップ解除
g_pImmediateContext->Unmap(g_pCBuffer, 0);
// ***************************************
// IAに頂点バッファを設定
// IAに入力レイアウト・オブジェクトを設定(頂点バッファなし)
g_pImmediateContext->IASetInputLayout(NULL);
// IAにプリミティブの種類を設定
g_pImmediateContext->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
// VSに頂点シェーダを設定
g_pImmediateContext->VSSetShader(g_pVertexShader, NULL, 0);
// VSに定数バッファを設定
g_pImmediateContext->VSSetConstantBuffers(0, 1, &g_pCBuffer);
// GSにジオメトリ・シェーダを設定
g_pImmediateContext->GSSetShader(g_pGeometryShader, NULL, 0);
// GSに定数バッファを設定
g_pImmediateContext->GSSetConstantBuffers(0, 1, &g_pCBuffer);
// RSにビューポートを設定
g_pImmediateContext->RSSetViewports(1, g_ViewPort);
// RSにラスタライザ・ステート・オブジェクトを設定
g_pImmediateContext->RSSetState(g_pRasterizerState);
// PSにピクセル・シェーダを設定
g_pImmediateContext->PSSetShader(g_pPixelShader, NULL, 0);
// PSに定数バッファを設定
g_pImmediateContext->PSSetConstantBuffers(0, 1, &g_pCBuffer);
// PSにシェーダ・リソース・ビューを設定
g_pImmediateContext->PSSetShaderResources(
0, // 設定する最初のスロット番号
1, // 設定するシェーダ・リソース・ビューの数
&g_pTextureSRV); // 設定するシェーダ・リソース・ビューの配列
// PSにサンプラーを設定
g_pImmediateContext->PSSetSamplers(0, 1, &g_pTextureSampler);
// OMに描画ターゲット ビューと深度/ステンシル・ビューを設定
g_pImmediateContext->OMSetRenderTargets(1, &g_pRenderTargetView, g_bDepthMode ? g_pDepthStencilView : NULL);
// OMにブレンド・ステート・オブジェクトを設定
FLOAT BlendFactor[4] = {0.0f, 0.0f, 0.0f, 0.0f};
g_pImmediateContext->OMSetBlendState(g_pBlendState, BlendFactor, 0xffffffff);
// OMに深度/ステンシル・ステート・オブジェクトを設定
g_pImmediateContext->OMSetDepthStencilState(g_pDepthStencilState, 0);
// ***************************************
// 頂点バッファとインデックス・バッファを使わずに描画する
g_pImmediateContext->Draw(
36, // 描画する頂点数
0); // 最初の頂点ID
// ***************************************
// バック バッファの表示
hr = g_pSwapChain->Present( 0, // 画面を直ぐに更新する
0); // 画面を実際に更新する
return hr;
}
void Camera::RotateYaw(float angleRad)
{
XMMATRIX rotation = XMMatrixRotationAxis(mUp, angleRad);
mEye = mAt + XMVector3TransformCoord(mEye - mAt, rotation);
}
/*--------------------------------------------
画面の描画処理
--------------------------------------------*/
HRESULT Render(void)
{
HRESULT hr;
// 定数バッファを更新
// ワールド変換行列
XMFLOAT3 center = g_wfObjKuma.GetBoundingSphereCenter();
XMMATRIX matTrans = XMMatrixTranslation(-center.x, -center.y, -center.z);
float scale = 1.0f / g_wfObjKuma.GetBoundingSphereRadius();
XMMATRIX matScale = XMMatrixScaling(scale, scale, scale);
FLOAT rotate = (FLOAT)(XM_PI * (timeGetTime() % 3000)) / 1500.0f;
XMMATRIX matY = XMMatrixRotationY(rotate);
XMMATRIX matWorld = matTrans * matScale * matY;
XMStoreFloat4x4(&g_cbCBuffer.World, XMMatrixTranspose(matWorld));
// ***************************************
// シャドウ マップの描画
if (g_bShadowMappingMode) {
g_pImmediateContext->ClearState();
// ビュー変換行列(光源から見る)
XMVECTORF32 focusPosition = { 0.0f, 0.0f, 0.0f }; // 注視点
XMVECTORF32 upDirection = { 0.0f, 1.0f, 0.0f }; // カメラの上方向
XMMATRIX matShadowMapView = XMMatrixLookAtLH(XMLoadFloat3(&g_vLightPos), focusPosition, upDirection);
XMStoreFloat4x4(&g_cbCBuffer.View, XMMatrixTranspose(matShadowMapView));
// 射影変換行列(パースペクティブ(透視法)射影)
XMMATRIX matShadowMapProj = XMMatrixPerspectiveFovLH(
XMConvertToRadians(45.0f), // 視野角45°
g_ViewPortShadowMap[0].Width / g_ViewPortShadowMap[0].Height, // アスペクト比
1.0f, // 前方投影面までの距離
400.0f); // 後方投影面までの距離
XMStoreFloat4x4(&g_cbCBuffer.Projection, XMMatrixTranspose(matShadowMapProj));
// 深度/ステンシルのクリア
g_pImmediateContext->ClearDepthStencilView(g_pShadowMapDSView, D3D11_CLEAR_DEPTH, 1.0f, 0);
// VSに定数バッファを設定
g_pImmediateContext->VSSetConstantBuffers(0, 1, &g_pCBuffer);
// PSに定数バッファを設定
g_pImmediateContext->PSSetConstantBuffers(0, 1, &g_pCBuffer);
// PSにサンプラーを設定
g_pImmediateContext->PSSetSamplers(0, 2, g_pTextureSampler);
// RSにビューポートを設定
g_pImmediateContext->RSSetViewports(1, g_ViewPortShadowMap);
// OMに描画ターゲット ビューと深度/ステンシル・ビューを設定
ID3D11RenderTargetView* pRender[1] = { NULL };
g_pImmediateContext->OMSetRenderTargets(1, pRender, g_pShadowMapDSView);
// 物体の描画
RenderObj(true);
// シャドウマップの設定
XMMATRIX mat = XMMatrixTranspose(matWorld * matShadowMapView * matShadowMapProj);
XMStoreFloat4x4(&g_cbCBuffer.SMWorldViewProj, mat);
}
// ***************************************
// ビュー変換行列
XMVECTORF32 eyePosition = { 0.0f, g_fEye, -g_fEye, 1.0f }; // 視点(カメラの位置)
XMVECTORF32 focusPosition = { 0.0f, 0.0f, 0.0f, 1.0f }; // 注視点
XMVECTORF32 upDirection = { 0.0f, 1.0f, 0.0f, 1.0f }; // カメラの上方向
XMMATRIX matView = XMMatrixLookAtLH(eyePosition, focusPosition, upDirection);
XMStoreFloat4x4(&g_cbCBuffer.View, XMMatrixTranspose(matView));
// 射影変換行列(パースペクティブ(透視法)射影)
XMMATRIX matProj = XMMatrixPerspectiveFovLH(
XMConvertToRadians(30.0f), // 視野角30°
g_ViewPort[0].Width / g_ViewPort[0].Height, // アスペクト比
1.0f, // 前方投影面までの距離
20.0f); // 後方投影面までの距離
XMStoreFloat4x4(&g_cbCBuffer.Projection, XMMatrixTranspose(matProj));
// 点光源座標
XMVECTOR vec = XMVector3TransformCoord(XMLoadFloat3(&g_vLightPos), matView);
XMStoreFloat3(&g_cbCBuffer.Light, vec);
// ***************************************
// 描画ターゲットのクリア
g_pImmediateContext->ClearRenderTargetView(
g_pRenderTargetView, // クリアする描画ターゲット
g_ClearColor); // クリアする値
// 深度/ステンシルのクリア
g_pImmediateContext->ClearDepthStencilView(
g_pDepthStencilView, // クリアする深度/ステンシル・ビュー
D3D11_CLEAR_DEPTH, // 深度値だけをクリアする
1.0f, // 深度バッファをクリアする値
0); // ステンシル・バッファをクリアする値(この場合、無関係)
// ***************************************
g_pImmediateContext->ClearState();
// VSに定数バッファを設定
g_pImmediateContext->VSSetConstantBuffers(0, 1, &g_pCBuffer);
// PSに定数バッファを設定
g_pImmediateContext->PSSetConstantBuffers(0, 1, &g_pCBuffer);
// PSにサンプラーを設定
g_pImmediateContext->PSSetSamplers(0, 2, g_pTextureSampler);
// RSにビューポートを設定
g_pImmediateContext->RSSetViewports(1, g_ViewPort);
// OMに描画ターゲット ビューと深度/ステンシル・ビューを設定
g_pImmediateContext->OMSetRenderTargets(1, &g_pRenderTargetView, g_bDepthMode ? g_pDepthStencilView : NULL);
// 物体の描画
RenderObj(false);
// ***************************************
// バック バッファの表示
hr = g_pSwapChain->Present( 0, // 画面を直ぐに更新する
0); // 画面を実際に更新する
return hr;
}
float D3DPicking::Pick(const XMMATRIX& worldSpace)
{
//Loop through each triangle in the object
for(int i = 0; i < m_IndexData.size()/3; i++)
{
//Triangle's vertices V1, V2, V3
XMVECTOR tri1V1 = XMVectorSet(0.0f, 0.0f, 0.0f, 0.0f);
XMVECTOR tri1V2 = XMVectorSet(0.0f, 0.0f, 0.0f, 0.0f);
XMVECTOR tri1V3 = XMVectorSet(0.0f, 0.0f, 0.0f, 0.0f);
//Temporary 3d floats for each vertex
XMFLOAT3 tV1, tV2, tV3;
//Get triangle
tV1 = m_PosData[m_IndexData[(i*3)+0]];
tV2 = m_PosData[m_IndexData[(i*3)+1]];
tV3 = m_PosData[m_IndexData[(i*3)+2]];
tri1V1 = XMVectorSet(tV1.x, tV1.y, tV1.z, 0.0f);
tri1V2 = XMVectorSet(tV2.x, tV2.y, tV2.z, 0.0f);
tri1V3 = XMVectorSet(tV3.x, tV3.y, tV3.z, 0.0f);
//Transform the vertices to world space
tri1V1 = XMVector3TransformCoord(tri1V1, worldSpace);
tri1V2 = XMVector3TransformCoord(tri1V2, worldSpace);
tri1V3 = XMVector3TransformCoord(tri1V3, worldSpace);
//Find the normal using U, V coordinates (two edges)
XMVECTOR U = XMVectorSet(0.0f, 0.0f, 0.0f, 0.0f);
XMVECTOR V = XMVectorSet(0.0f, 0.0f, 0.0f, 0.0f);
XMVECTOR faceNormal = XMVectorSet(0.0f, 0.0f, 0.0f, 0.0f);
U = tri1V2 - tri1V1;
V = tri1V3 - tri1V1;
//Compute face normal by crossing U, V
faceNormal = XMVector3Cross(U, V);
faceNormal = XMVector3Normalize(faceNormal);
//Calculate a point on the triangle for the plane equation
XMVECTOR triPoint = tri1V1;
//Get plane equation ("Ax + By + Cz + D = 0") Variables
float tri1A = XMVectorGetX(faceNormal);
float tri1B = XMVectorGetY(faceNormal);
float tri1C = XMVectorGetZ(faceNormal);
float tri1D = (-tri1A*XMVectorGetX(triPoint) - tri1B*XMVectorGetY(triPoint) - tri1C*XMVectorGetZ(triPoint));
//Now we find where (on the ray) the ray intersects with the triangles plane
float ep1, ep2, t = 0.0f;
float planeIntersectX, planeIntersectY, planeIntersectZ = 0.0f;
XMVECTOR pointInPlane = XMVectorSet(0.0f, 0.0f, 0.0f, 0.0f);
ep1 = (XMVectorGetX(m_pickRayPos) * tri1A) + (XMVectorGetY(m_pickRayPos) * tri1B) + (XMVectorGetZ(m_pickRayPos) * tri1C);
ep2 = (XMVectorGetX(m_pickRayDir) * tri1A) + (XMVectorGetY(m_pickRayDir) * tri1B) + (XMVectorGetZ(m_pickRayDir) * tri1C);
//Make sure there are no divide-by-zeros
if(ep2 != 0.0f)
t = -(ep1 + tri1D)/(ep2);
if(t > 0.0f) //Make sure you don't pick objects behind the camera
{
//Get the point on the plane
planeIntersectX = XMVectorGetX(m_pickRayPos) + XMVectorGetX(m_pickRayDir) * t;
planeIntersectY = XMVectorGetY(m_pickRayPos) + XMVectorGetY(m_pickRayDir) * t;
planeIntersectZ = XMVectorGetZ(m_pickRayPos) + XMVectorGetZ(m_pickRayDir) * t;
pointInPlane = XMVectorSet(planeIntersectX, planeIntersectY, planeIntersectZ, 0.0f);
//Call function to check if point is in the triangle
if(PointInTriangle(tri1V1, tri1V2, tri1V3, pointInPlane))
{
//Return the distance to the hit, so you can check all the other pickable objects in your scene
//and choose whichever object is closest to the camera
return t/2.0f;
}
}
}
//return the max float value (near infinity) if an object was not picked
return FLT_MAX;
}
//-------------------------------------------
// とりあえずIK
void BoneModel::VMDIkAnimation()
{
//XMStoreFloat4()
//XMLoadFloat4()
if (mBone.empty())return;
if (mMotion.empty())return;
DWORD mBoneNum = mBone.size();
DWORD mIkNum = mIk.size();
// IK計算
for (DWORD i = 0; i < mIkNum; i++){
//{
// int i = 0;
Ik& ik = mIk[i];
UINT tg_idx = ik.target_bone_index;
UINT ik_idx = ik.bone_index;
for (UINT ite = 0; ite<ik.iterations; ++ite){
for (UINT chn = 0; chn<ik.chain_length; ++chn){
UINT link_idx = ik.child_bone_index[chn];//
if (link_idx >= mBoneNum)continue;
Bone& link_bone = mBone[link_idx];
//UINT link_pidx = link_bone.mIkBoneIdx;
UINT link_pidx = link_bone.mHierarchy.mIdxParent;
//if (link_bone.mIkBoneIdx != 0){
// continue;
//}
if (link_pidx >= mBoneNum)continue;
Bone& link_parent = mBone[link_pidx];
Bone& tg_bone = mBone[tg_idx];
(void)tg_bone;
Bone& ik_bone = mBone[ik_idx];
(void)ik_bone;
XMVECTOR target_wpos = mBone[tg_idx].mMtxPose.r[3];
XMVECTOR ik_wpos = mBone[ik_idx].mMtxPose.r[3];
XMVECTOR lp_wpos = link_parent.mMtxPose.r[3];
//Linkボーンのローカル空間に変換
XMVECTOR Determinant;
XMMATRIX inv_mtx = XMMatrixInverse(&Determinant, link_bone.mMtxPose);
XMVECTOR tg_pos = XMVector4Transform(target_wpos, inv_mtx);
XMVECTOR ik_pos = XMVector4Transform(ik_wpos, inv_mtx);
XMVECTOR lp_pos = XMVector4Transform(lp_wpos, inv_mtx);
// 回転軸と角度
XMVECTOR rot_axis = XMVectorSet(1, 0, 0, 0);
float ang = 0.0f;
bool same_dir = false;
if (!RotDir(tg_pos, ik_pos, ik.control_weight, &rot_axis, &ang)){
same_dir = true;
}
if (!same_dir){
//tg_dirをik_dirに一致させるための回転
XMVECTOR rot = XMQuaternionRotationAxis(rot_axis, ang);
XMVECTOR lrot = FloatToVector(link_bone.mRot);
XMVECTOR bone_rot_before = lrot;
link_bone.mRot = VectorToFloat(XMQuaternionMultiply(rot, lrot));
float dist_tg = XMVectorGetX(XMVector3Length(tg_pos));
float dist_ik = XMVectorGetX(XMVector3Length(ik_pos));
(void)dist_ik;
float dist_lp = XMVectorGetX(XMVector3Length(lp_pos));
(void)dist_lp;
float dist_pltg = XMVectorGetX(XMVector3Length(lp_pos - tg_pos));
float dist_plik = XMVectorGetX(XMVector3Length(lp_pos - ik_pos));
float dot_tgik = XMVectorGetX(XMVector3Dot(XMVector3Normalize(tg_pos), XMVector3Normalize(ik_pos)));
(void)dot_tgik;
// 回転制限
if (/*link.bLimit*/ 1){
XMVECTOR rotmax, rotmin;
//114.5916 = 2
float a = 2;// XM_PI / 180.0f * 57.25f;
rotmax = XMVectorSet(a, a, a, 0);//link.vMax;
rotmin = XMVectorSet(-a, -a, -a, 0);//link.vMin;
//名前に"ひざ"があったら回転制限
if (std::string::npos != link_bone.mStrName.find("ひざ")){
rotmax = XMVectorSet(-XM_PI / 180.0f*0.5f, 0, 0, 0);
rotmin = XMVectorSet(-XM_PI, 0, 0, 0);
}
struct IkLink{
XMFLOAT4 mMax;
XMFLOAT4 mMin;
};
IkLink link = { VectorToFloat(rotmax), VectorToFloat(rotmin) };
//Bone& link = link_bone;
link_bone.mRot = VectorToFloat(LimitAngle(FloatToVector(link_bone.mRot), rotmin, rotmax));
XMVECTOR angxyz = GetAngle(rot);
//膝を曲げるための仮処理 かなりてきとう
if (XMVectorGetX(angxyz) >= 0 &&
//0.9f < dot_tgik &&
//dist_tg > dist_ik &&
dist_pltg > dist_plik &&
link.mMax.x < 0 && link.mMax.y == link.mMin.y && link.mMax.z == link.mMin.z){
//親リンクの回転接平面（できるだけこの平面に近づけたほうがよりIK目標に近づける）
XMVECTOR lp_nor = XMVector3Normalize(-lp_pos);//平面の法線
//lp_norとの内積が0になる位置を目標にする
//２つあるので回転制限後の|内積|が小さいほう
XMVECTOR tng = XMVector3Cross(XMVectorSet(1, 0, 0, 0), lp_nor);
//+tngと-tngの２つ
XMVECTOR rot_axis0, rot_axis1;
float ang0 = 0, ang1 = 0;
// 回転軸をXに限定
rot_axis1 = rot_axis0 = XMVectorSet(1, 0, 0, 0);
XMVECTOR tdir = XMVector3Normalize(XMVectorSetX(tg_pos, 0));
tng = XMVector3Normalize(XMVectorSetX(tng, 0));
RotDir(tdir, tng, ik.control_weight, &rot_axis0, &ang0);
RotDir(tdir, -tng, ik.control_weight, &rot_axis1, &ang1);
if (XMVectorGetX(rot_axis0) < 0.0f)ang0 = -ang0;
if (XMVectorGetX(rot_axis1) < 0.0f)ang1 = -ang1;
//これは絶対違う ぴくぴく対策
float coef = (dist_pltg - dist_plik) / dist_tg;
if (coef > 1)coef = 1;
ang0 *= coef;
ang1 *= coef;
//ang0,1は現在の位置からの相対角度
// 回転制限を考慮した相対角度に
float angx_b = XMVectorGetX(GetAngle(bone_rot_before));
float angx_a0 = angx_b + ang0;
float angx_a1 = angx_b + ang1;
if (angx_a0 < link.mMin.x) angx_a0 = link.mMin.x;
if (angx_a0 > link.mMax.x) angx_a0 = link.mMax.x;
if (angx_a1 < link.mMin.x) angx_a1 = link.mMin.x;
if (angx_a1 > link.mMax.x) angx_a1 = link.mMax.x;
ang0 = angx_a0 - angx_b;
ang1 = angx_a1 - angx_b;
XMVECTOR rot0 = XMQuaternionRotationRollPitchYaw(ang0, 0, 0);
XMVECTOR rot1 = XMQuaternionRotationRollPitchYaw(ang1, 0, 0);
XMVECTOR tdir0 = XMVector3TransformCoord(tdir, XMMatrixRotationQuaternion(rot0));
XMVECTOR tdir1 = XMVector3TransformCoord(tdir, XMMatrixRotationQuaternion(rot1));
float d0 = XMVectorGetX(XMVectorAbs(XMVector3Dot(tdir0, lp_nor)));
float d1 = XMVectorGetX(XMVectorAbs(XMVector3Dot(tdir1, lp_nor)));
if (d0 < d1){
link_bone.mRot = VectorToFloat(XMQuaternionMultiply(rot0, bone_rot_before));
}
else{
link_bone.mRot = VectorToFloat(XMQuaternionMultiply(rot1, bone_rot_before));
}
}
}
}
//ワールド行列更新
link_bone.mMtxPose = SQTMatrix(FloatToVector(link_bone.mScale), FloatToVector(link_bone.mRot), FloatToVector(link_bone.mPos));
if (link_bone.mHierarchy.mIdxParent < mBoneNum){
link_bone.mMtxPose = XMMatrixMultiply(link_bone.mMtxPose, mBone[link_bone.mHierarchy.mIdxParent].mMtxPose);
}
// 子階層のリンク再計算
for (int lidown = chn - 1; lidown >= 0; --lidown){
UINT idx = ik.child_bone_index[lidown];
if (idx >= mBoneNum)continue;
Bone& linkb = mBone[idx];
linkb.mMtxPose = SQTMatrix(FloatToVector(linkb.mScale), FloatToVector(linkb.mRot), FloatToVector(linkb.mPos));
if (linkb.mHierarchy.mIdxParent < mBoneNum){
linkb.mMtxPose = XMMatrixMultiply(linkb.mMtxPose, mBone[linkb.mHierarchy.mIdxParent].mMtxPose);
}
}
mBone[tg_idx].mMtxPose = SQTMatrix(FloatToVector(mBone[tg_idx].mScale), FloatToVector(mBone[tg_idx].mRot), FloatToVector(mBone[tg_idx].mPos));
if (mBone[tg_idx].mHierarchy.mIdxParent < mBoneNum){
mBone[tg_idx].mMtxPose = XMMatrixMultiply(mBone[tg_idx].mMtxPose, mBone[mBone[tg_idx].mHierarchy.mIdxParent].mMtxPose);
}
}
}
//Bone& b = mBone[tg_idx];
//Bone& b2 = mBone[mBone[tg_idx].mHierarchy.mIdxParent];
//Bone& b3 = mBone[b2.mHierarchy.mIdxParent];
//int sa = 1;
//IKの計算結果を子階層に反映
//UpdatePose();
}
UpdatePose();
}
// Renders meshes using cascaded shadow mapping
void MeshRenderer::RenderSunShadowMap(ID3D11DeviceContext* context, const Camera& camera)
{
PIXEvent event(L"Sun Shadow Map Rendering");
const float MinDistance = reductionDepth.x;
const float MaxDistance = reductionDepth.y;
// Compute the split distances based on the partitioning mode
float CascadeSplits[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
{
float lambda = 1.0f;
float nearClip = camera.NearClip();
float farClip = camera.FarClip();
float clipRange = farClip - nearClip;
float minZ = nearClip + MinDistance * clipRange;
float maxZ = nearClip + MaxDistance * clipRange;
float range = maxZ - minZ;
float ratio = maxZ / minZ;
for(uint32 i = 0; i < NumCascades; ++i)
{
float p = (i + 1) / static_cast<float>(NumCascades);
float log = minZ * std::pow(ratio, p);
float uniform = minZ + range * p;
float d = lambda * (log - uniform) + uniform;
CascadeSplits[i] = (d - nearClip) / clipRange;
}
}
Float3 c0Extents;
Float4x4 c0Matrix;
const Float3 lightDir = AppSettings::SunDirection;
// Render the meshes to each cascade
for(uint32 cascadeIdx = 0; cascadeIdx < NumCascades; ++cascadeIdx)
{
PIXEvent cascadeEvent((L"Rendering Shadow Map Cascade " + ToString(cascadeIdx)).c_str());
// Set the viewport
SetViewport(context, ShadowMapSize, ShadowMapSize);
// Set the shadow map as the depth target
ID3D11DepthStencilView* dsv = sunShadowDepthMap.DSView;
ID3D11RenderTargetView* nullRenderTargets[D3D11_SIMULTANEOUS_RENDER_TARGET_COUNT] = { NULL };
context->OMSetRenderTargets(D3D11_SIMULTANEOUS_RENDER_TARGET_COUNT, nullRenderTargets, dsv);
context->ClearDepthStencilView(dsv, D3D11_CLEAR_DEPTH|D3D11_CLEAR_STENCIL, 1.0f, 0);
// Get the 8 points of the view frustum in world space
XMVECTOR frustumCornersWS[8] =
{
XMVectorSet(-1.0f, 1.0f, 0.0f, 1.0f),
XMVectorSet( 1.0f, 1.0f, 0.0f, 1.0f),
XMVectorSet( 1.0f, -1.0f, 0.0f, 1.0f),
XMVectorSet(-1.0f, -1.0f, 0.0f, 1.0f),
XMVectorSet(-1.0f, 1.0f, 1.0f, 1.0f),
XMVectorSet( 1.0f, 1.0f, 1.0f, 1.0f),
XMVectorSet( 1.0f, -1.0f, 1.0f, 1.0f),
XMVectorSet(-1.0f, -1.0f, 1.0f, 1.0f),
};
float prevSplitDist = cascadeIdx == 0 ? MinDistance : CascadeSplits[cascadeIdx - 1];
float splitDist = CascadeSplits[cascadeIdx];
XMVECTOR det;
XMMATRIX invViewProj = XMMatrixInverse(&det, camera.ViewProjectionMatrix().ToSIMD());
for(uint32 i = 0; i < 8; ++i)
frustumCornersWS[i] = XMVector3TransformCoord(frustumCornersWS[i], invViewProj);
// Get the corners of the current cascade slice of the view frustum
for(uint32 i = 0; i < 4; ++i)
{
XMVECTOR cornerRay = XMVectorSubtract(frustumCornersWS[i + 4], frustumCornersWS[i]);
XMVECTOR nearCornerRay = XMVectorScale(cornerRay, prevSplitDist);
XMVECTOR farCornerRay = XMVectorScale(cornerRay, splitDist);
frustumCornersWS[i + 4] = XMVectorAdd(frustumCornersWS[i], farCornerRay);
frustumCornersWS[i] = XMVectorAdd(frustumCornersWS[i], nearCornerRay);
}
// Calculate the centroid of the view frustum slice
XMVECTOR frustumCenterVec = XMVectorZero();
for(uint32 i = 0; i < 8; ++i)
frustumCenterVec = XMVectorAdd(frustumCenterVec, frustumCornersWS[i]);
frustumCenterVec = XMVectorScale(frustumCenterVec, 1.0f / 8.0f);
Float3 frustumCenter = frustumCenterVec;
// Pick the up vector to use for the light camera
Float3 upDir = camera.Right();
Float3 minExtents;
Float3 maxExtents;
{
// Create a temporary view matrix for the light
Float3 lightCameraPos = frustumCenter;
Float3 lookAt = frustumCenter - lightDir;
XMMATRIX lightView = XMMatrixLookAtLH(lightCameraPos.ToSIMD(), lookAt.ToSIMD(), upDir.ToSIMD());
// Calculate an AABB around the frustum corners
XMVECTOR mins = XMVectorSet(REAL_MAX, REAL_MAX, REAL_MAX, REAL_MAX);
XMVECTOR maxes = XMVectorSet(-REAL_MAX, -REAL_MAX, -REAL_MAX, -REAL_MAX);
for(uint32 i = 0; i < 8; ++i)
{
XMVECTOR corner = XMVector3TransformCoord(frustumCornersWS[i], lightView);
mins = XMVectorMin(mins, corner);
maxes = XMVectorMax(maxes, corner);
}
minExtents = mins;
maxExtents = maxes;
}
// Adjust the min/max to accommodate the filtering size
float scale = (ShadowMapSize + FilterSize) / static_cast<float>(ShadowMapSize);
minExtents.x *= scale;
minExtents.y *= scale;
maxExtents.x *= scale;
maxExtents.x *= scale;
Float3 cascadeExtents = maxExtents - minExtents;
// Get position of the shadow camera
Float3 shadowCameraPos = frustumCenter + lightDir * -minExtents.z;
// Come up with a new orthographic camera for the shadow caster
OrthographicCamera shadowCamera(minExtents.x, minExtents.y, maxExtents.x,
maxExtents.y, 0.0f, cascadeExtents.z);
shadowCamera.SetLookAt(shadowCameraPos, frustumCenter, upDir);
// Draw the mesh with depth only, using the new shadow camera
RenderDepth(context, shadowCamera, true, false);
// Apply the scale/offset matrix, which transforms from [-1,1]
// post-projection space to [0,1] UV space
XMMATRIX texScaleBias;
texScaleBias.r[0] = XMVectorSet(0.5f, 0.0f, 0.0f, 0.0f);
texScaleBias.r[1] = XMVectorSet(0.0f, -0.5f, 0.0f, 0.0f);
texScaleBias.r[2] = XMVectorSet(0.0f, 0.0f, 1.0f, 0.0f);
texScaleBias.r[3] = XMVectorSet(0.5f, 0.5f, 0.0f, 1.0f);
XMMATRIX shadowMatrix = shadowCamera.ViewProjectionMatrix().ToSIMD();
shadowMatrix = XMMatrixMultiply(shadowMatrix, texScaleBias);
// Store the split distance in terms of view space depth
const float clipDist = camera.FarClip() - camera.NearClip();
shadowConstants.Data.CascadeSplits[cascadeIdx] = camera.NearClip() + splitDist * clipDist;
if(cascadeIdx == 0)
{
c0Extents = cascadeExtents;
c0Matrix = shadowMatrix;
shadowConstants.Data.ShadowMatrix = XMMatrixTranspose(shadowMatrix);
shadowConstants.Data.CascadeOffsets[0] = Float4(0.0f, 0.0f, 0.0f, 0.0f);
shadowConstants.Data.CascadeScales[0] = Float4(1.0f, 1.0f, 1.0f, 1.0f);
}
else
{
// Calculate the position of the lower corner of the cascade partition, in the UV space
// of the first cascade partition
Float4x4 invCascadeMat = Float4x4::Invert(shadowMatrix);
Float3 cascadeCorner = Float3::Transform(Float3(0.0f, 0.0f, 0.0f), invCascadeMat);
cascadeCorner = Float3::Transform(cascadeCorner, c0Matrix);
// Do the same for the upper corner
Float3 otherCorner = Float3::Transform(Float3(1.0f, 1.0f, 1.0f), invCascadeMat);
otherCorner = Float3::Transform(otherCorner, c0Matrix);
// Calculate the scale and offset
Float3 cascadeScale = Float3(1.0f, 1.0f, 1.f) / (otherCorner - cascadeCorner);
shadowConstants.Data.CascadeOffsets[cascadeIdx] = Float4(-cascadeCorner, 0.0f);
shadowConstants.Data.CascadeScales[cascadeIdx] = Float4(cascadeScale, 1.0f);
}
ConvertToEVSM(context, cascadeIdx, shadowConstants.Data.CascadeScales[cascadeIdx].To3D());
}
}
//--------------------------------------------------------------------------------------
// Handles mouse input
//--------------------------------------------------------------------------------------
void CALLBACK OnMouse( bool bLeftButtonDown, bool bRightButtonDown, bool bMiddleButtonDown, bool bSideButton1Down, bool bSideButton2Down, int nMouseWheelDelta, int xPos, int yPos, void* pUserContext )
{
if( g_bDrawTerrain )
{
if( bRightButtonDown )
{
if( g_pInspectionTexture != NULL )
{
g_pInspectionTexture = NULL;
}
else
{
g_pInspectionTexture = g_pTerrainView->GetInspectionTexture();
}
g_InspectionSliceIndex = 0;
}
return;
}
static BOOL MouseDragging = FALSE;
static XMFLOAT4 DragMouseCursorPos( 0, 0, 0, 0 );
static XMFLOAT4 DragCameraPos( 0, 0, 0, 0 );
// vMousePos is the mouse cursor's location on the Z far and near planes in homogenous space
XMVECTOR vMousePosFar = XMVectorSet( ( (FLOAT)xPos - g_HalfClientWidthPixels ) / g_HalfClientWidthPixels, ( (FLOAT)yPos - g_HalfClientHeightPixels ) / -g_HalfClientHeightPixels, 1, 1 );
XMMATRIX matView = XMLoadFloat4x4A( &g_matView );
XMMATRIX matViewProj = matView * XMLoadFloat4x4A( &g_matProjection );
XMVECTOR vDet;
XMMATRIX matInvViewProj = XMMatrixInverse( &vDet, matViewProj );
// vMouseWorldPos is the location in world space of the mouse cursor on the near plane
XMVECTOR vMouseWorldPosFar = XMVector3TransformCoord( vMousePosFar, matInvViewProj );
XMVECTOR vCameraPosWorld = XMLoadFloat4A( &g_CameraPos );
const XMVECTOR vPlaneNormal = XMVectorSet( 0, 1, 0, 0 );
const XMVECTOR vPlaneDistance = XMVectorZero();
XMVECTOR vCameraToMouseWorldFar = vMouseWorldPosFar - vCameraPosWorld;
XMVECTOR t = ( vPlaneDistance - XMVector3Dot( vPlaneNormal, vCameraPosWorld ) ) / XMVector3Dot( vPlaneNormal, vCameraToMouseWorldFar );
XMVECTOR vMouseCursorWorld = vCameraPosWorld + t * vCameraToMouseWorldFar;
if( bLeftButtonDown )
{
if( !MouseDragging )
{
MouseDragging = TRUE;
XMStoreFloat4( &DragMouseCursorPos, vMouseCursorWorld );
XMStoreFloat4( &DragCameraPos, vCameraPosWorld );
}
else
{
XMVECTOR vDragPos = XMLoadFloat4( &DragMouseCursorPos );
XMVECTOR vCameraDelta = vMouseCursorWorld - vDragPos;
vCameraPosWorld -= vCameraDelta;
XMStoreFloat4A( &g_CameraPos, vCameraPosWorld );
UpdateViewMatrix();
XMStoreFloat4( &DragCameraPos, vCameraPosWorld );
}
}
else if( MouseDragging )
{
MouseDragging = FALSE;
}
if( bRightButtonDown )
{
ID3D11TiledTexture2D* pCurrentTexture = g_pInspectionTexture;
g_pInspectionTexture = NULL;
UINT SceneObjectCount = (UINT)g_SceneObjects.size();
for( UINT i = 0; i < SceneObjectCount; ++i )
{
const SceneObject* pSO = g_SceneObjects[i];
FLOAT X = pSO->matWorld._41;
FLOAT Y = pSO->matWorld._43;
FLOAT DeltaX = fabsf( X - XMVectorGetX( vMouseCursorWorld ) );
FLOAT DeltaY = fabsf( Y - XMVectorGetZ( vMouseCursorWorld ) );
if( DeltaX <= 0.5f && DeltaY <= 0.5f )
{
g_pInspectionTexture = pSO->Textures[0].pTexture;
break;
}
}
if( g_pInspectionTexture != pCurrentTexture )
{
g_InspectionSliceIndex = 0;
}
}
if( nMouseWheelDelta != 0 )
{
const FLOAT LogMoveSpeed = 0.05f * ( (FLOAT)nMouseWheelDelta / 120.0f );
FLOAT CameraY = XMVectorGetY( vCameraPosWorld );
float LogYPos = logf( CameraY );
LogYPos -= LogMoveSpeed;
vCameraPosWorld = XMVectorSetY( vCameraPosWorld, max( 0.001f, expf( LogYPos ) ) );
XMStoreFloat4A( &g_CameraPos, vCameraPosWorld );
UpdateViewMatrix();
}
}
void MyApp::editTerrain()
{
if (!glb_bOn || !m_LButtonDown)
return;
//------------------------------------------------------------
int w = width(), h = height();
XMMATRIX P = m_camera.getProjectionMatrix();
// Compute picking ray in view space.
float vx = (+2.0f*m_mouseX/w - 1.0f)/P(0,0);
float vy = (-2.0f*m_mouseY/h + 1.0f)/P(1,1);
// Ray definition in view space.
XMVECTOR rayOrigin = XMVectorSet(0.0f, 0.0f, 0.0f, 1.0f);
XMVECTOR rayDir = XMVectorSet(vx, vy, 1.0f, 0.0f);
// Tranform ray to local space of Mesh.
XMMATRIX V = m_camera.getViewMatrix();
XMMATRIX invView = XMMatrixInverse(&XMMatrixDeterminant(V), V);
rayOrigin = XMVector3TransformCoord(rayOrigin, invView);
rayDir = XMVector3TransformNormal(rayDir, invView);
rayDir = XMVector3Normalize(rayDir);
XMFLOAT4 oo, rr;
XMStoreFloat4(&oo, rayOrigin);
XMStoreFloat4(&rr, rayDir);
XMVECTOR a = XMVectorSet(0,0,0,1); // point on plane
XMVECTOR n = XMVectorSet(0,1,0,0); // plane's normal
XMVECTOR res = XMVector3Dot((a - rayOrigin), n) / XMVector4Dot(rayDir, n);
float t = XMVectorGetX(res);
XMVECTOR hit_point = rayOrigin + t*rayDir;
XMFLOAT4 hp;
XMStoreFloat4(&hp, hit_point);
XMFLOAT2 coords;
coords.x = XMVectorGetX(hit_point) / GRID_WIDTH + 0.5f;
coords.y = XMVectorGetZ(hit_point) / GRID_WIDTH + 0.5f;
coords.y = 1.0f - coords.y;
XMFLOAT4 mo, md;
XMStoreFloat4(&mo, rayOrigin);
XMStoreFloat4(&md, rayDir);
//------------------------------------------------------------
// save/set Render Target View
ID3D11DepthStencilView* dsv;
ID3D11RenderTargetView* rtv;
_dxImmedDC->OMGetRenderTargets(1, &rtv, &dsv);
D3D11_VIEWPORT vp;
UINT vp_num = 1;
_dxImmedDC->RSGetViewports(&vp_num, &vp);
D3D11_VIEWPORT new_vp;
new_vp.Height = 1024;
new_vp.Width = 1024;
new_vp.MaxDepth =1.0f;
new_vp.MinDepth = 0.0f;
new_vp.TopLeftX = new_vp.TopLeftY = 0.0f;
_dxImmedDC->RSSetViewports(1, &new_vp);
_dxImmedDC->OMSetRenderTargets(1, &m_rtvDynamicHmap, 0);
// save input layout
ID3D11InputLayout* ia;
_dxImmedDC->IAGetInputLayout(&ia);
// set null layout
_dxImmedDC->IASetInputLayout(0);
_dxImmedDC->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
setBoolVar(m_fxDynamicTerrain, glb_bAdditive, "bAdditive");
setVectorVar(m_fxDynamicTerrain, (void*)&coords, "vCoords");
setFloatVar(m_fxDynamicTerrain, glb_Range, "fRange");
// draw 4 points (-> quad)
ID3DX11EffectTechnique* tech;
tech = m_fxDynamicTerrain->GetTechniqueByIndex(0);
tech->GetPassByIndex(0)->Apply(0, _dxImmedDC);
_dxImmedDC->Draw(4, 0);
// restore IA layout, rtv, dsv
_dxImmedDC->OMSetRenderTargets(1, &rtv, dsv);
_dxImmedDC->IASetInputLayout(ia);
_dxImmedDC->OMSetBlendState(0, 0, 0xffffffff);
_dxImmedDC->OMSetDepthStencilState(0, 0);
_dxImmedDC->RSSetViewports(1, &vp);
}
//--------------------------------------------------------------------------------------
//
// BeginHairFrame
//
// Start of hair rendering.
//
//--------------------------------------------------------------------------------------
void TressFXRenderer::BeginHairFrame(ID3D11DeviceContext* pd3dContext,
DirectX::XMVECTOR eyePoint, DirectX::XMVECTOR lightPosition,
DirectX::XMMATRIX *pModelTransformForHead, DirectX::XMMATRIX *pViewProj, DirectX::XMMATRIX *pViewProjLightOut,
float screenWidth, float screenHeight, bool singleHeadTransform)
{
SetSamplerStates(pd3dContext);
// Set up camera parameters for when the camera is at the position of the light for rendering the shadow map
XMMATRIX mViewLight, mProjLight;
XMVECTOR modelCenter = XMVector3TransformCoord(XMLoadFloat3(&m_pTressFXMesh->m_HairAsset.m_bSphere.center), *pModelTransformForHead);
XMVECTOR vLightAt = modelCenter;
XMVECTOR vUp = XMVectorSet(0, 1, 0, 0);
mViewLight = XMMatrixLookAtLH(lightPosition, vLightAt, vUp);
XMVECTOR vLightToObject = XMVectorSubtract(lightPosition, modelCenter);
float dis = XMVectorGetX(XMVector3Length(vLightToObject));
float min_dis = max(0.001f, dis - m_pTressFXMesh->m_HairAsset.m_bSphere.radius);
float max_dis = dis + m_pTressFXMesh->m_HairAsset.m_bSphere.radius;
float halfAngle = 1.5f*asin(m_pTressFXMesh->m_HairAsset.m_bSphere.radius/dis);
float FOV = 2*halfAngle;
float ratio = 1;
mProjLight = XMMatrixPerspectiveFovLH( FOV, ratio, min_dis, max_dis );
*pViewProjLightOut = mViewLight * mProjLight;
// Map the per-frame constant buffer
D3D11_MAPPED_SUBRESOURCE MappedResource;
pd3dContext->Map( m_pcbPerFrame, 0, D3D11_MAP_WRITE_DISCARD, 0, &MappedResource );
CB_PER_FRAME* pcbPerFrame = ( CB_PER_FRAME* )MappedResource.pData;
// camera parameters
XMMATRIX mViewProj = *pViewProj;
XMMATRIX mInvViewProj = XMMatrixInverse(0, mViewProj);
float fRenderWidth = screenWidth;
float fRenderHeight = screenHeight;
// Inverse of viewprojection matrix with viewport mapping
XMMATRIX mViewport ( 2.0f/fRenderWidth, 0.0f, 0.0f, 0.0f,
0.0f, -2.0f/fRenderHeight, 0.0f, 0.0f,
0.0f, 0.0f, 1.0f, 0.0f,
-1.0f, 1.0f, 0.0f, 1.0f );
XMMATRIX mInvViewProjViewport = mViewport * mInvViewProj;
pcbPerFrame->m_mViewProj = XMMatrixTranspose(mViewProj);
pcbPerFrame->m_mInvViewProj = XMMatrixTranspose(mInvViewProj);
pcbPerFrame->m_mInvViewProjViewport = XMMatrixTranspose(mInvViewProjViewport);
pcbPerFrame->m_mWorld = XMMatrixTranspose(*pModelTransformForHead);
XMStoreFloat3(&pcbPerFrame->m_vEye, eyePoint);
pcbPerFrame->m_fvFOV = XM_PI/4;
// Light camera parameters
pcbPerFrame->m_mViewProjLight = XMMatrixTranspose(*pViewProjLightOut);
pcbPerFrame->m_fNearLight = min_dis;
pcbPerFrame->m_fFarLight = max_dis;
XMStoreFloat4(&pcbPerFrame->m_PointLightPos, lightPosition);
pcbPerFrame->m_PointLightPos.w = 1;
// scene light color
pcbPerFrame->m_AmbientLightColor = m_hairParams.ambientLightColor;
pcbPerFrame->m_PointLightColor = m_hairParams.pointLightColor;
// hair material
pcbPerFrame->m_MatBaseColor = XMFLOAT4(m_hairParams.color.x, m_hairParams.color.y, m_hairParams.color.z, 1);
pcbPerFrame->m_MatKValue = XMFLOAT4(m_hairParams.Ka, m_hairParams.Kd, m_hairParams.Ks1, m_hairParams.Ex1);
pcbPerFrame->m_fHairKs2 = m_hairParams.Ks2;
pcbPerFrame->m_fHairEx2 = m_hairParams.Ex2;
pcbPerFrame->m_FiberAlpha = m_hairParams.alpha;
pcbPerFrame->m_HairSMAlpha = m_hairParams.shadowMapAlpha;
pcbPerFrame->m_FiberRadius = m_hairParams.thickness;
pcbPerFrame->m_FiberSpacing = m_hairParams.duplicateStrandSpacing;
pcbPerFrame->m_bThinTip = (m_hairParams.bThinTip ? 1.f : -1.f);
pcbPerFrame->m_bExpandPixels = 1;
pcbPerFrame->m_WinSize = XMFLOAT4((float)screenWidth, (float)screenHeight, 1.0f/(float)screenWidth, 1.0f/(float)screenHeight);
pcbPerFrame->m_iMaxFragments = m_hairParams.maxFragments;
pcbPerFrame->m_alphaThreshold = m_hairParams.alphaThreshold;
pcbPerFrame->m_iTechSM = m_hairParams.shadowTechnique;
pcbPerFrame->m_bUseCoverage = m_hairParams.bAntialias ? 1 : 0;
pcbPerFrame->m_iStrandCopies = m_hairParams.strandCopies;
pcbPerFrame->m_mNumVerticesPerStrand = g_TressFXNumVerticesPerStrand;
pcbPerFrame->m_mNumFollowHairsPerGuideHair = m_pTressFXMesh->m_HairAsset.m_NumFollowHairsPerGuideHair;
pcbPerFrame->m_bSingleHeadTransform = singleHeadTransform;
unsigned optionalSRVs = 0;
if ((m_pTressFXMesh->m_pStrandTexCoordSRV) && (m_pTressFXMesh->m_pHairTextureSRV))
{
optionalSRVs |= PER_STRAND_TEX_COORDS;
// ignore the material base color when getting hair color from the texture
pcbPerFrame->m_MatBaseColor = XMFLOAT4(1, 1, 1, 1);
}
pcbPerFrame->m_optionalSRVs = optionalSRVs;
pd3dContext->Unmap( m_pcbPerFrame, 0 );
// Set constant buffer for vertex and pixel shader
pd3dContext->VSSetConstantBuffers( 1, 1, &m_pcbPerFrame );
pd3dContext->PSSetConstantBuffers( 1, 1, &m_pcbPerFrame );
}
DirectX::BoundingOrientedBox GetBoundsInOrientedSpace(_In_ bool findTightestBounds, _In_ function<bool(XMFLOAT3*)> vertGenerator)
{
// we find tight bounds by
// 1. find the convex hull
// 2. rotating calipers to find the ideal bounding box - http://en.wikipedia.org/wiki/Rotating_calipers
// The idea behind rotating calipers is that we keep track of some extreme vertices, and slowly rotate our coordinate frame.
// As we rotate, a vertex may no-longer be extreme in the new rotated coordinate frame, so we increment the index to the next vertex
// in the convex hull that is now extreme.
float zmin = FLT_MAX, zmax = -FLT_MAX;
auto convexHull = FindConvexHull([&](XMFLOAT2 *planarVert, UINT32 *index) -> bool
{
*index = 0; // we dont' care about the index here - only useful when exposing the convex hull directly
XMFLOAT3 vert;
bool ret = vertGenerator(&vert);
if (ret)
{
if (vert.z < zmin)
{
zmin = vert.z;
}
if (vert.z > zmax)
{
zmax = vert.z;
}
}
*planarVert = { vert.x, vert.y };
return ret;
});
// first we need to set up the calipers - extreme vertices that we will incrementally update as we rotate
XMFLOAT2 maxv = convexHull[0].first;
XMFLOAT2 minv = convexHull[0].first;
struct RotatedBoundingBox
{
UINT32 maxx, maxy, minx, miny; // these represent the indices of the max/min x and y coordinates in a rotated coordated frame.
float area;
float minwidth;
float angle;
};
// find the initial orientation's bounds:
RotatedBoundingBox best = { 0, 0, 0, 0, FLT_MAX, FLT_MAX, XM_2PI };
for (UINT32 i = 1; i < convexHull.size(); ++i)
{
const auto vertex = convexHull[i].first;
if (vertex.x > maxv.x)
{
maxv.x = vertex.x;
best.maxx = i;
}
else if (vertex.x < minv.x)
{
minv.x = vertex.x;
best.minx = i;
}
if (vertex.y > maxv.y)
{
maxv.y = vertex.y;
best.maxy = i;
}
else if (vertex.y < minv.y)
{
minv.y = vertex.y;
best.miny = i;
}
}
best.angle = 0;
best.area = (maxv.x - minv.x) * (maxv.y - minv.y);
best.minwidth = min(maxv.x - minv.x, maxv.y - minv.y);
ASSERT(best.minx != best.maxx); // xmin and xmax indices should never be the same
ASSERT(best.miny != best.maxy);
ASSERT(best.minx <= best.maxy); // our vertices should be located around the convex hull xmin->ymax->xmax->ymin
ASSERT(best.maxy <= best.maxx);
ASSERT(best.maxx <= best.miny || best.minx == best.miny);
ASSERT(best.miny <= best.minx + convexHull.size());
ASSERT(best.minx <= convexHull.size()); // all of the indices should be in the convex hull
ASSERT(best.maxx <= convexHull.size());
ASSERT(best.miny <= convexHull.size());
ASSERT(best.maxy <= convexHull.size());
ASSERT(best.minx == 0); // we expect minx to be the first vertex in the convex hull
// Helper to calculate the rotation if we move from the given vertex to the next vertex in the convex hull
auto getDeltaVectorForIndex = [&](UINT32 vert)
{
// return the delta between the given vertex and the subsequent vertex, so we can determine the angle our bounding box
// would have to rotate to be parallel with this edge
auto start = convexHull[vert % convexHull.size()].first;
auto next = convexHull[(vert + 1) % convexHull.size()].first;
ASSERT(start.x != next.x || start.y != next.y);
return XMFLOAT2({ next.x - start.x, next.y - start.y });
};
// once we have the extreme vertices, we slowly rotate our coordinate system and adjust them
// we rotate in such a way that only one extreme vertex changes at a time
float angle = 0;
RotatedBoundingBox current = best;
BoundingOrientedBox bestBoxInPlaneSpace;
bestBoxInPlaneSpace.Center = { (maxv.x + minv.x) / 2, (maxv.y + minv.y) / 2, (zmax + zmin) / 2 };
bestBoxInPlaneSpace.Extents = { (maxv.x - minv.x) / 2, (maxv.y - minv.y) / 2, (zmax - zmin) / 2 };
bestBoxInPlaneSpace.Orientation = { 0, 0, 0, 1 };
if (findTightestBounds)
{
RotatedBoundingBox initial = best;
// The tightest bounding box will share a side with the convex hull. We start with a candidate bounding box oriented along
// the x/y axes and iterate through all orientations where the box is aligned with an edge of the convex hull. The maximum possible rotations
// we need to consider is convexHull.size(), which would be a rotation of 90 degrees.
// Each iteration through the loop, we pick the vertex from our extreme vertices that has the smallest incremental rotation along its outgoing edge.
// A neat trick is that the other extreme vertices remain extreme in the new rotated orientation.
while (angle <= XM_PIDIV2 + ROTATING_CALIPERS_EPSILON &&
current.minx <= initial.maxy &&
current.maxy <= initial.maxx &&
current.maxx <= initial.miny &&
current.miny <= convexHull.size())
{
const auto vectForXmin = getDeltaVectorForIndex(current.minx);
const auto vectForXmax = getDeltaVectorForIndex(current.maxx);
const auto vectForYmin = getDeltaVectorForIndex(current.miny);
const auto vectForYmax = getDeltaVectorForIndex(current.maxy);
UINT32* boundIndices[4] = { ¤t.minx, ¤t.maxx, ¤t.miny, ¤t.maxy };
float angles[4] = {
atan2(vectForXmin.x, vectForXmin.y),
atan2(-vectForXmax.x, -vectForXmax.y),
atan2(vectForYmin.y, -vectForYmin.x),
atan2(-vectForYmax.y, vectForYmax.x) };
int index = 0;
float minAngle = XM_PI * 4 + angle;
for (int i = 0; i < 4; ++i)
{
if (angles[i] > -ROTATING_CALIPERS_EPSILON && angles[i] < 0)
{
// the vector between vertices are horizontal/vertical, so angle is close to 0, treat it as zero
// this can only occur with a rounding error
angles[i] = 0;
}
else if (angles[i] < 0)
{
angles[i] += XM_PI * 2;
}
if (angles[i] < minAngle)
{
minAngle = angles[i];
index = i;
}
}
*(boundIndices[index]) = ((*(boundIndices[index])) + 1);
ASSERT(current.minx <= current.maxy); // we should remain ordering of vertices xmin->ymax->xmax->ymin as we rotate
ASSERT(current.maxy <= current.maxx);
ASSERT(current.maxx <= current.miny || best.minx == best.miny);
ASSERT(current.miny <= current.minx + convexHull.size());
ASSERT(current.minx != current.maxx); // and we shouldn't ever have min and max indices equal
ASSERT(current.miny != current.maxy);
// now update our box:
angle = minAngle;
current.angle = minAngle;
if (angle < XM_PIDIV2 + ROTATING_CALIPERS_EPSILON)
{
XMVECTOR vertsInRotatedPlaneSpace[4];
const XMMATRIX rotationTransform = XMMatrixRotationZ(angle);
for (int i = 0; i < 4; ++i)
{
vertsInRotatedPlaneSpace[i] = XMVector3TransformCoord(XMLoadFloat2(&convexHull[(*(boundIndices[i])) % convexHull.size()].first), rotationTransform);
}
BoundingOrientedBox xmBoundsInPlaneSpace;
xmBoundsInPlaneSpace.Center = { XMVectorGetX(vertsInRotatedPlaneSpace[0] + vertsInRotatedPlaneSpace[1]) / 2, XMVectorGetY(vertsInRotatedPlaneSpace[2] + vertsInRotatedPlaneSpace[3]) / 2, (zmax + zmin) / 2 };
xmBoundsInPlaneSpace.Extents = { XMVectorGetX(vertsInRotatedPlaneSpace[1] - vertsInRotatedPlaneSpace[0]) / 2, XMVectorGetY(vertsInRotatedPlaneSpace[3] - vertsInRotatedPlaneSpace[2]) / 2, (zmax - zmin) / 2 };
xmBoundsInPlaneSpace.Orientation = { 0, 0, 0, 1 };
xmBoundsInPlaneSpace.Transform(xmBoundsInPlaneSpace, XMMatrixTranspose(rotationTransform)); // rotate back to plane space from rotated plane space
const XMFLOAT2 size = { xmBoundsInPlaneSpace.Extents.x * 2, xmBoundsInPlaneSpace.Extents.y * 2 };
current.area = size.x * size.y;
current.minwidth = min(size.x, size.y);
if (current.area < best.area || (current.area == best.area && current.minwidth < best.minwidth))
{
best = current;
bestBoxInPlaneSpace = xmBoundsInPlaneSpace;
}
}
}
}
return bestBoxInPlaneSpace;
}
void Camera::Update(float dt)
{
if (m_IsMovable)
{
float lx, ly, rx, ry;
g_InputHandler.PollThumbstick(lx, ly, rx, ry);
bool controller = false;
if (lx < 0.0f || lx > 0.0f)
{
m_moveLeftRight = dt * m_speed * lx;
controller = true;
}
if (ly < 0.0f || ly > 0.0f)
{
m_moveBackForward = dt * m_speed * ly;
controller = true;
}
if (rx < 0.0f || rx > 0.0f)
{
m_camYaw += dt * m_rotateSpeed * rx;
controller = true;
}
if (ry < 0.0f || ry > 0.0f)
{
m_camPitch += dt * m_rotateSpeed * ry * -1.0f;
controller = true;
}
if (!controller)
// Handle Input
if (g_InputHandler.KeyPressed(Keys::A))
{
m_moveLeftRight -= dt * m_speed;
}
if (g_InputHandler.KeyPressed(Keys::W))
{
m_moveBackForward += dt * m_speed;
}
if (g_InputHandler.KeyPressed(Keys::D))
{
m_moveLeftRight += dt * m_speed;
}
if (g_InputHandler.KeyPressed(Keys::S))
{
m_moveBackForward -= dt * m_speed;
}
if (g_InputHandler.KeyPressed(Keys::Left_Shift))
{
m_moveUpDown += dt * m_speed;
}
if (g_InputHandler.KeyPressed(Keys::Left_Ctrl))
{
m_moveUpDown -= dt * m_speed;
}
}
m_camRotationMatrix = XMMatrixRotationRollPitchYaw(m_camPitch, m_camYaw, 0);
m_camTarget = XMVector3TransformCoord(m_defaultForward, m_camRotationMatrix);
m_camTarget = XMVector3Normalize(m_camTarget);
XMMATRIX RotateYTempMatrix;
RotateYTempMatrix = XMMatrixRotationY(m_camYaw);
m_camRight = XMVector3TransformCoord(m_defaultRight, RotateYTempMatrix);
// m_camUp = XMVector3TransformCoord(m_camUp, RotateYTempMatrix);
m_camForward = XMVector3TransformCoord(m_defaultForward, RotateYTempMatrix);
m_camPosition += m_moveLeftRight*m_camRight;
m_camPosition += m_moveBackForward*m_camForward;
m_camPosition += m_moveUpDown*m_camUp;
m_moveLeftRight = 0.0f;
m_moveBackForward = 0.0f;
m_moveUpDown = 0.0f;
m_camTarget = m_camPosition + m_camTarget;
m_camView = XMMatrixLookAtLH( m_camPosition, m_camTarget, m_camUp );
}
bool CScene::Picking( int x, int y )
{
// 2차원 점의 투영 공간으로의 변환
XMMATRIX p = XMLoadFloat4x4( &( m_pCamera->GetProjectionMatrix( ) ) );
D3D11_VIEWPORT d3dViewport = m_pCamera->GetViewport( );
XMFLOAT3 vPickPosition;
vPickPosition.x = ( ( ( 2.0f * ( x - d3dViewport.TopLeftX ) ) / d3dViewport.Width ) - 1 ) / p( 0, 0 );
vPickPosition.y = -( ( ( 2.0f * ( y - d3dViewport.TopLeftY ) ) / d3dViewport.Height ) - 1 ) / p( 1, 1 );
XMVECTOR rayOrigin = XMVectorSet( 0.0f, 0.0f, 0.0f, 1.0f );
XMVECTOR rayDir = XMVectorSet( vPickPosition.x, vPickPosition.y, 1.0, 0.0f );
// 2차원 점의 시야공간으로의 변환
XMMATRIX v = XMLoadFloat4x4( &( m_pCamera->GetViewMatrix( ) ) );
XMMATRIX invView = XMMatrixInverse( &XMMatrixDeterminant( v ), v ); // determinant = 행렬식
// 각 물체와 충돌체크
float fHitDist = FLT_MAX, fNearDist = FLT_MAX;
XMFLOAT3 vHitPos, vNearPos;
bool bIntersection = false;
CGameObject *IntersectionObject = NULL; // 충돌된 오브젝트 정보를 가짐
// 여러개의 셰이더를 돌면서 검사함
for (int i = 1; i < m_nShaders; i++) // 0번째 셰이더는 스카이박스만 그리므고 검사할 필요가 없음
{
for (int j = 0; j < m_ppShaders[i]->getObjectCount( ); j++)
{
CGameObject* tempObj = m_ppShaders[i]->getObjects( )[j];
XMMATRIX w = XMLoadFloat4x4( &( tempObj->m_mtxWorld ) );
XMMATRIX invWorld = XMMatrixInverse( &XMMatrixDeterminant( w ), w );
XMMATRIX toLocal = XMMatrixMultiply( invView, invWorld );
rayOrigin = XMVector3TransformCoord( rayOrigin, toLocal ); // XMVector3TransformCoord 함수는 벡터의 4번째 성분이 1이라고 가정하고 계산, 따라서 점을 변환할 때 사용
rayDir = XMVector3TransformNormal( rayDir, toLocal ); // XMVector3TransformNormal 함수는 벡터의 4번째 성분이 0이라고 가정하고 계산, 따라서 벡터를 변환할 때 사용
rayDir = XMVector3Normalize( rayDir ); // 교차 판정을 위해 반직선 방향벡터를 단위길이로 정규화
// 참일 경우 충돌된 것이므로 현재 가장 가까운 곳에 충돌된 것과 검사
if (tempObj->CheckRayIntersection( &rayOrigin, &rayDir, &fHitDist, &vHitPos ))
{
bIntersection = true;
if (fNearDist > fHitDist)
{
fNearDist = fHitDist;
IntersectionObject = tempObj;
vNearPos = vHitPos;
}
}
}
}
if (IntersectionObject != NULL)
{
pPickedObject = IntersectionObject;
if (pPickedObject->m_iType == BACK_GROUND)
{
vPickPos = vNearPos;
// vNearPos는 오브젝트의 로컬좌표계이므로 이를 월드좌표계로 변환
vPickPos = MathHelper::GetInstance( )->Vector3TransformNormal( vPickPos, pPickedObject->m_mtxWorld );
}
}
return bIntersection;
}
void wam::Pick(int sx, int sy)
{
XMMATRIX P = mCam.Proj();
// Compute picking ray in view space.
float vx = (+2.0f*sx/mClientWidth - 1.0f)/P(0,0);
float vy = (-2.0f*sy/mClientHeight + 1.0f)/P(1,1);
// Ray definition in view space.
XMVECTOR rayOrigin = XMVectorSet(0.0f, 0.0f, 0.0f, 1.0f);
XMVECTOR rayDir = XMVectorSet(vx, vy, 1.0f, 0.0f);
// Tranform ray to local space of Mesh.
XMMATRIX V = mCam.View();
XMMATRIX invView = XMMatrixInverse(&XMMatrixDeterminant(V), V);
XMMATRIX W = XMLoadFloat4x4(&mGridWorld);
XMMATRIX invWorld = XMMatrixInverse(&XMMatrixDeterminant(W), W);
XMMATRIX toLocal = XMMatrixMultiply(invView, invWorld);
rayOrigin = XMVector3TransformCoord(rayOrigin, toLocal);
rayDir = XMVector3TransformNormal(rayDir, toLocal);
// Make the ray direction unit length for the intersection tests.
rayDir = XMVector3Normalize(rayDir);
XNA::Sphere tmpSphere11,tmpSphere12,tmpSphere13,tmpSphere21,tmpSphere22,tmpSphere23,tmpSphere31,tmpSphere32,tmpSphere33;
float radius =0.5f;
tmpSphere11.Radius = radius;
tmpSphere12.Radius = radius;
tmpSphere13.Radius = radius;
tmpSphere21.Radius = radius;
tmpSphere22.Radius = radius;
tmpSphere23.Radius = radius;
tmpSphere31.Radius = radius;
tmpSphere32.Radius = radius;
tmpSphere33.Radius = radius;
tmpSphere11.Center = XMFLOAT3(-5.0f,-1.0f,-5.0f);
tmpSphere12.Center = XMFLOAT3( 0.0f,-1.0f,-5.0f);
tmpSphere13.Center = XMFLOAT3( 5.0f,-1.0f,-5.0f);
tmpSphere21.Center = XMFLOAT3(-5.0f,-1.0f, 0.0f);
tmpSphere22.Center = XMFLOAT3( 0.0f,-1.0f, 0.0f);
tmpSphere23.Center = XMFLOAT3( 5.0f,-1.0f, 0.0f);
tmpSphere31.Center = XMFLOAT3(-5.0f,-1.0f, 5.0f);
tmpSphere32.Center = XMFLOAT3( 0.0f,-1.0f, 5.0f);
tmpSphere33.Center = XMFLOAT3( 5.0f,-1.0f, 5.0f);
UINT PickedSphere=0;
FLOAT tmpDist;
//IntersectRaySphere( FXMVECTOR Origin, FXMVECTOR Direction, const Sphere* pVolume, FLOAT* pDist );
if(XNA::IntersectRaySphere( rayOrigin, rayDir, &tmpSphere11, &tmpDist ))
PickedSphere= 11;
if(XNA::IntersectRaySphere( rayOrigin, rayDir, &tmpSphere12, &tmpDist ))
PickedSphere= 12;
if(XNA::IntersectRaySphere( rayOrigin, rayDir, &tmpSphere13, &tmpDist ))
PickedSphere= 13;
if(XNA::IntersectRaySphere( rayOrigin, rayDir, &tmpSphere21, &tmpDist ))
PickedSphere= 21;
if(XNA::IntersectRaySphere( rayOrigin, rayDir, &tmpSphere22, &tmpDist ))
PickedSphere= 22;
if(XNA::IntersectRaySphere( rayOrigin, rayDir, &tmpSphere23, &tmpDist ))
PickedSphere= 23;
if(XNA::IntersectRaySphere( rayOrigin, rayDir, &tmpSphere31, &tmpDist ))
PickedSphere= 31;
if(XNA::IntersectRaySphere( rayOrigin, rayDir, &tmpSphere32, &tmpDist ))
PickedSphere= 32;
if(XNA::IntersectRaySphere( rayOrigin, rayDir, &tmpSphere33, &tmpDist ))
PickedSphere= 33;
if(PickedSphere!=0)
{
int ps =PickedSphere;
}
}