void Ball::Update(float dt) {
//d = v*t
//v = a*t;
//d = v*t*t+c
//dp = v*dt
//pos = pos + a
XMVECTOR force_vec = XMVectorAdd(force,impulse);
XMVECTOR mass_vec = XMVectorReplicate(mass);
XMVECTOR time_vec = XMVectorReplicate(dt*0.001f);
impulse = XMVectorZero();
acceleration = XMVectorDivide(force_vec,mass_vec);
velocity = XMVectorMultiplyAdd(acceleration,time_vec,velocity);
position = XMVectorMultiplyAdd(velocity,time_vec,position);
// auto coll = IntersectCircleAxisAlignedBox(this,&system->table);
//if (coll == 0) {
//velocity = XMVectorNegate(velocity);
//}
object_time += dt;
}
mxUNDONE
#if 0
void BatchRenderer::DrawRing( const XMFLOAT3& Origin, const XMFLOAT3& MajorAxis, const XMFLOAT3& MinorAxis, const FColor& Color )
{
static const DWORD dwRingSegments = 32;
XMFLOAT3 verts[ dwRingSegments + 1 ];
XMVECTOR vOrigin = XMLoadFloat3( &Origin );
XMVECTOR vMajor = XMLoadFloat3( &MajorAxis );
XMVECTOR vMinor = XMLoadFloat3( &MinorAxis );
FLOAT fAngleDelta = XM_2PI / ( float )dwRingSegments;
// Instead of calling cos/sin for each segment we calculate
// the sign of the angle delta and then incrementally calculate sin
// and cosine from then on.
XMVECTOR cosDelta = XMVectorReplicate( cosf( fAngleDelta ) );
XMVECTOR sinDelta = XMVectorReplicate( sinf( fAngleDelta ) );
XMVECTOR incrementalSin = XMVectorZero();
static const XMVECTOR initialCos =
{
1.0f, 1.0f, 1.0f, 1.0f
};
XMVECTOR incrementalCos = initialCos;
for( DWORD i = 0; i < dwRingSegments; i++ )
{
XMVECTOR Pos;
Pos = XMVectorMultiplyAdd( vMajor, incrementalCos, vOrigin );
Pos = XMVectorMultiplyAdd( vMinor, incrementalSin, Pos );
XMStoreFloat3( ( XMFLOAT3* )&verts[i], Pos );
// Standard formula to rotate a vector.
XMVECTOR newCos = incrementalCos * cosDelta - incrementalSin * sinDelta;
XMVECTOR newSin = incrementalCos * sinDelta + incrementalSin * cosDelta;
incrementalCos = newCos;
incrementalSin = newSin;
}
verts[ dwRingSegments ] = verts[0];
// Copy to vertex buffer
assert( (dwRingSegments+1) <= MAX_VERTS );
XMFLOAT3* pVerts = NULL;
HRESULT hr;
V( g_pVB->Lock( 0, 0, (void**)&pVerts, D3DLOCK_DISCARD ) )
memcpy( pVerts, verts, sizeof(verts) );
V( g_pVB->Unlock() )
// Draw ring
D3DXCOLOR clr = Color;
g_pEffect9->SetFloatArray( g_Color, clr, 4 );
g_pEffect9->CommitChanges();
pd3dDevice->DrawPrimitive( D3DPT_LINESTRIP, 0, dwRingSegments );
}
void Aircraft::Move() {
_movementVector = XMVectorReplicate(_thrust);
_lookVector = XMLoadFloat3(&_look);
_positionVector = XMLoadFloat3(&_position);
XMStoreFloat3(&_position, XMVectorMultiplyAdd(_movementVector, _lookVector, _positionVector));
}
// mPosition += d*mRight
void Camera::Strafe(float d)
{
XMVECTOR s = XMVectorReplicate(d);
XMVECTOR r = XMLoadFloat3(&mRight);
XMVECTOR p = XMLoadFloat3(&mPosition);
XMStoreFloat3(&mPosition, XMVectorMultiplyAdd(s,r,p));
}
// mPosition += d*mLook
void Camera::Walk(float d)
{
XMVECTOR s = XMVectorReplicate(d);
XMVECTOR l = XMLoadFloat3(&mLook);
XMVECTOR p = XMLoadFloat3(&mPosition);
XMStoreFloat3(&mPosition, XMVectorMultiplyAdd(s, l, p));
}
void IControllable::walk( float d )
{
XMVECTOR s = XMVectorReplicate(d);
XMVECTOR l = XMLoadFloat3(mRotation.getFrontVector());
XMVECTOR p = XMLoadFloat3(&mTranslation);
XMStoreFloat3(&mTranslation, XMVectorMultiplyAdd(s, l, p));
}
void IControllable::strafe( float d )
{
XMVECTOR s = XMVectorReplicate(d);
XMVECTOR r = XMLoadFloat3(mRotation.getRightVector());
XMVECTOR p = XMLoadFloat3(&mTranslation);
XMStoreFloat3(&mTranslation, XMVectorMultiplyAdd(s, r, p));
}
void Camera::Render()
{
// Load the rotation and make radian vectors.
XMVECTOR rotationVector = XMLoadFloat3( &m_Rotation );
XMVECTOR radianVector = XMVectorReplicate( 0.0174532925f );
// Setup the vector that points upwards.
XMVECTOR upVector = XMVectorSet( 0.f, 1.f, 0.f, 0.f );
// Load the position into an XMVECTOR structure.
XMVECTOR positionVector = XMLoadFloat3(&m_Position);
// Setup where the camera is looking by default.
XMVECTOR lookAtVector = XMVectorSet( 0.f, 0.f, 1.f, 0.f );
// Create the rotation matrix from the product of the rotation vector and the radian vector.
// This converts the rotations to radians before creating the rotation matrix
XMMATRIX rotationMatrix = XMMatrixRotationRollPitchYawFromVector(rotationVector * radianVector);
// 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);
}
void Entity::Jump(float d)
{
XMVECTOR s = XMVectorReplicate(d);
XMVECTOR u = XMLoadFloat3(&mUp);
XMVECTOR p = XMLoadFloat3(&mPosition);
XMStoreFloat3(&mPosition, XMVectorMultiplyAdd(s, u, p));
}
void Entity::Strafe(float d)
{
// mPosition += d*mRight
XMVECTOR s = XMVectorReplicate(d);
XMVECTOR r = XMLoadFloat3(&mRight);
XMVECTOR p = XMLoadFloat3(&mPosition);
XMStoreFloat3(&mPosition, XMVectorMultiplyAdd(s, r, p));
}
void Camera::walk(float d)
{
// mPosition += d*mLook
XMVECTOR s = XMVectorReplicate(d); // become (d,d,d,d)
XMVECTOR l = XMLoadFloat3(&m_look);
XMVECTOR p = XMLoadFloat3(&m_position);
XMStoreFloat3(&m_position, XMVectorMultiplyAdd(s, l, p));
}
void Aircraft::UpMovement(float movement)
{
_movementVector = XMVectorReplicate(movement);
_upVector = XMLoadFloat3(&_up);
_positionVector = XMLoadFloat3(&_position);
XMStoreFloat3(&_position, XMVectorMultiplyAdd(_movementVector, _upVector, _positionVector));
}
void Aircraft::Strafe(float movement)
{
_movementVector = XMVectorReplicate(_thrust);
_rightVector = XMLoadFloat3(&_right);
_positionVector = XMLoadFloat3(&_position);
XMStoreFloat3(&_position, XMVectorMultiplyAdd(_movementVector, _rightVector, _positionVector));
}
void Entity::Walk(float d)
{
if (goToPos){ mDistanceLeft -= d; }
XMVECTOR s = XMVectorReplicate(d);
XMVECTOR l = XMLoadFloat3(&mLook);
XMVECTOR p = XMLoadFloat3(&mPosition);
XMStoreFloat3(&mPosition, XMVectorMultiplyAdd(s, l, p));
}
void Camera::moveVert(float d)
{
// mPosition += d*mRight
XMVECTOR s = XMVectorReplicate(d);
XMVECTOR r = XMLoadFloat3(&mUp);
XMVECTOR p = XMLoadFloat3(&mPosition);
XMStoreFloat3(&mPosition, XMVectorMultiplyAdd(s, r, p));
}
void Camera::Walk(FLOAT d)
{
// mPosition += d*mLook
XMVECTOR s = XMVectorReplicate(d);
XMVECTOR l = XMLoadFloat3(&m_look);
XMVECTOR p = XMLoadFloat3(&m_position);
XMStoreFloat3(&m_position, XMVectorMultiplyAdd(s, l, p));
}
void Camera::MoveLookVec(float dist){
XMVECTOR pos = XMLoadFloat3(&m_position);
XMVECTOR look = XMLoadFloat3(&m_look);
pos += look * XMVectorReplicate(dist);
XMStoreFloat3(&m_position, pos);
}
void Camera::Strafe(FLOAT d)
{
// mPosition += d*mRight
XMVECTOR s = XMVectorReplicate(d);
XMVECTOR r = XMLoadFloat3(&m_right);
XMVECTOR p = XMLoadFloat3(&m_position);
XMStoreFloat3(&m_position, XMVectorMultiplyAdd(s, r, p));
}
void Camera::MoveRightVec(float dist){
XMVECTOR pos = XMLoadFloat3(&m_position);
XMVECTOR right = XMLoadFloat3(&m_right);
pos += right * XMVectorReplicate(dist);
XMStoreFloat3(&m_position, pos);
}
void Camera::MoveUpVec(float dist){
XMVECTOR pos = XMLoadFloat3(&m_position);
XMVECTOR up = XMLoadFloat3(&m_up);
pos += up * XMVectorReplicate(dist);
XMStoreFloat3(&m_position, pos);
}
// @brief 前后平移操作
//
// @param dis 为正: 前进; 为负: 后退
void Camera::Walk(float dis)
{
// mPos += dis * mLook
XMVECTOR s = XMVectorReplicate(dis);
XMVECTOR l = XMLoadFloat3(&mLook);
XMVECTOR p = XMLoadFloat3(&mPos);
XMStoreFloat3(&mPos, XMVectorMultiplyAdd(s, l, p));
}
// @brief 左右平移操作
//
// @param dis 为正: Strafe Right; 为负: Strafe Left
void Camera::Strafe(float dis)
{
// mPos += dis * mRight
XMVECTOR s = XMVectorReplicate(dis);
XMVECTOR r = XMLoadFloat3(&mRight);
XMVECTOR p = XMLoadFloat3(&mPos);
XMStoreFloat3(&mPos, XMVectorMultiplyAdd(s, r, p));
}
void Camera::Strafe(float p_Distance)
{
XMVECTOR t_Singed = XMVectorReplicate(p_Distance);
XMVECTOR t_Right = XMLoadFloat3(&m_Right);
XMVECTOR t_Pos = XMLoadFloat3(&m_Position);
XMStoreFloat3(&m_Position, XMVectorMultiplyAdd(t_Singed, t_Right, t_Pos));
m_HasMoved = true;
}
//---------------------------------------------------------------------
bool LooseOctreeZone::isFitInChildZone(const Util::AABBPtr & aabb)
{
XMVECTOR halfSideSize = XMVectorReplicate((LOOSE_K * WORLD_SIZE / (2 << mDepth)) * 0.5f);
XMVECTOR nodeSize = aabb->getSize();
/// "&& true" to kill the warning C4800: 'BOOL' : forcing value to bool 'true' or 'false' (performance warning).
return XMVector3LessOrEqual(nodeSize, halfSideSize) && true;
}
void Aircraft::Lift()
{
float liftSpeed = (-_rotation.x) * _thrust;
XMVECTOR movement = XMVectorReplicate(liftSpeed);
XMVECTOR up = XMLoadFloat3(&_up);
XMVECTOR position = XMLoadFloat3(&_position);
XMStoreFloat3(&_position, XMVectorMultiplyAdd(movement, up, position));
}
void Camera::Walk(float d)
{
XMVECTOR s = XMVectorReplicate(d);
XMVECTOR l = XMLoadFloat3(&mLook);
XMVECTOR p = XMLoadFloat3(&mPosition);
XMFLOAT3 test;
XMStoreFloat3(&test, XMVectorMultiplyAdd(s, l, p));
if (mUseConstraints){ if (BoundsCheck(test)){ mPosition = test; } }
else{ mPosition = test; }
}
// Recommended frequencies are ...
//
// lowfreq = 880 Hz
// highfreq = 5000 Hz
//
// Set mixfreq to whatever rate your system is using (eg 48Khz)
void init_3band_state(EQSTATE* es, int lowfreq, int highfreq, int mixfreq)
{
// Clear state
memset(es,0,sizeof(EQSTATE));
// Set Low/Mid/High gains to unity
es->lg = XMVectorReplicate(1.0f);
es->mg = XMVectorReplicate(1.0f);
es->hg = XMVectorReplicate(1.0f);
// Calculate filter cutoff frequencies
float lf = 2 * sinf(cPi * ((float)lowfreq / (float)mixfreq));
float hf = 2 * sinf(cPi * ((float)highfreq / (float)mixfreq));
es->lf = XMVectorReplicate(lf);
es->hf = XMVectorReplicate(hf);
}
void Aircraft::Bank()
{
float bankSpeed = _rotation.z * _thrust;
XMVECTOR movement = XMVectorReplicate(bankSpeed);
XMVECTOR right = XMLoadFloat3(&_right);
XMVECTOR position = XMLoadFloat3(&_position);
XMStoreFloat3(&_position, XMVectorMultiplyAdd(movement, right, position));
}
//---------------------------------------------------------------------
bool LooseOctreeZone::isInside(const Util::AABBPtr & aabb)
{
XMVECTOR size = XMVectorReplicate((LOOSE_K * WORLD_SIZE / (2 << mDepth)));
XMVECTOR minPoint = mAABB->getCenterPoint() - size;
XMVECTOR maxPoint = mAABB->getCenterPoint() + size;
return XMVector3LessOrEqual(minPoint, aabb->getMinPoint()) &&
XMVector3LessOrEqual(aabb->getMaxPoint(), maxPoint);
}
void Camera::strafe(float d)
{
// mPosition += d*mRight
XMVECTOR s = XMVectorReplicate(d); // become (d,d,d,d)
XMVECTOR r = XMLoadFloat3(&m_right);
XMVECTOR p = XMLoadFloat3(&m_position);
// Do compenent wise multiplication of d and m_right, if m_right is (1,0,0,0)
// this give (d,0,0,0).
// Each component of m_right is needed in the case of a rotated cam.
XMStoreFloat3(&m_position, XMVectorMultiplyAdd(s, r, p));
}
