// Update frame-based values.
void D3D12Multithreading::OnUpdate()
{
m_timer.Tick(NULL);
PIXSetMarker(m_commandQueue.Get(), 0, L"Getting last completed fence.");
// Get current GPU progress against submitted workload. Resources still scheduled
// for GPU execution cannot be modified or else undefined behavior will result.
const UINT64 lastCompletedFence = m_fence->GetCompletedValue();
// Move to the next frame resource.
m_currentFrameResourceIndex = (m_currentFrameResourceIndex + 1) % FrameCount;
m_pCurrentFrameResource = m_frameResources[m_currentFrameResourceIndex];
// Make sure that this frame resource isn't still in use by the GPU.
// If it is, wait for it to complete.
if (m_pCurrentFrameResource->m_fenceValue > lastCompletedFence)
{
HANDLE eventHandle = CreateEvent(nullptr, FALSE, FALSE, nullptr);
if (eventHandle == nullptr)
{
ThrowIfFailed(HRESULT_FROM_WIN32(GetLastError()));
}
ThrowIfFailed(m_fence->SetEventOnCompletion(m_pCurrentFrameResource->m_fenceValue, eventHandle));
WaitForSingleObject(eventHandle, INFINITE);
CloseHandle(eventHandle);
}
m_cpuTimer.Tick(NULL);
float frameTime = static_cast<float>(m_timer.GetElapsedSeconds());
float frameChange = 2.0f * frameTime;
if (m_keyboardInput.leftArrowPressed)
m_camera.RotateYaw(-frameChange);
if (m_keyboardInput.rightArrowPressed)
m_camera.RotateYaw(frameChange);
if (m_keyboardInput.upArrowPressed)
m_camera.RotatePitch(frameChange);
if (m_keyboardInput.downArrowPressed)
m_camera.RotatePitch(-frameChange);
if (m_keyboardInput.animate)
{
for (int i = 0; i < NumLights; i++)
{
float direction = frameChange * pow(-1.0f, i);
XMStoreFloat4(&m_lights[i].position, XMVector4Transform(XMLoadFloat4(&m_lights[i].position), XMMatrixRotationY(direction)));
XMVECTOR eye = XMLoadFloat4(&m_lights[i].position);
XMVECTOR at = { 0.0f, 8.0f, 0.0f };
XMStoreFloat4(&m_lights[i].direction, XMVector3Normalize(XMVectorSubtract(at, eye)));
XMVECTOR up = { 0.0f, 1.0f, 0.0f };
m_lightCameras[i].Set(eye, at, up);
m_lightCameras[i].Get3DViewProjMatrices(&m_lights[i].view, &m_lights[i].projection, 90.0f, static_cast<float>(m_width), static_cast<float>(m_height));
}
}
m_pCurrentFrameResource->WriteConstantBuffers(&m_viewport, &m_camera, m_lightCameras, m_lights);
}
void TestTriangleStripsDX::Update()
{
if (processInput)
{
float rotAmount = 0.0f;
XMMATRIX rotMatrix = XMMatrixIdentity();
if (input.right || input.left)
{
if (input.right)
rotAmount = rotDelta;
if (input.left)
rotAmount = -rotDelta;
rotMatrix = XMMatrixRotationAxis(XMLoadFloat4(&up), XMConvertToRadians(rotAmount));
}
else if (input.up || input.down)
{
if (input.up)
rotAmount = rotDelta;
if (input.down)
rotAmount = -rotDelta;
rotMatrix = XMMatrixRotationAxis(XMLoadFloat4(&right), XMConvertToRadians(rotAmount));
}
XMStoreFloat4(&eye, XMVector3Transform(XMLoadFloat4(&eye), rotMatrix));
XMStoreFloat4(&right, XMVector3Normalize(XMVector3Cross(XMLoadFloat4(&up), (XMLoadFloat4(¢er) - XMLoadFloat4(&eye)))));
XMMATRIX viewMatrix = XMMatrixLookAtRH(XMLoadFloat4(&eye), XMLoadFloat4(¢er), XMLoadFloat4(&up));
mDeviceContext->UpdateSubresource(viewMatrixBuffer, 0, NULL, &viewMatrix, 0, 0);
}
}
// static
void ff::QuaternionKey::InitTangents(QuaternionKey *pKeys, size_t nKeys, float tension)
{
for (size_t i = 0; i < nKeys; i++)
{
QuaternionKey &keyCur = pKeys[i];
QuaternionKey &keyBefore = pKeys[i ? i - 1 : nKeys - 1];
QuaternionKey &keyNext = pKeys[(i + 1) % nKeys];
QuaternionKey &keyAfterNext = pKeys[(i + 2) % nKeys];
XMVECTOR keyCurTangent;
XMVECTOR keyNextTangent;
XMVECTOR keyNextValue;
XMQuaternionSquadSetup(
&keyCurTangent, // A
&keyNextTangent, // B
&keyNextValue, // C
XMLoadFloat4(&keyBefore._value), // Q0
XMLoadFloat4(&keyCur._value), // Q1
XMLoadFloat4(&keyNext._value), // Q2
XMLoadFloat4(&keyAfterNext._value)); // Q3
XMStoreFloat4(&keyCur._tangent, keyCurTangent);
XMStoreFloat4(&keyNext._tangent, keyNextTangent);
XMStoreFloat4(&keyNext._value, keyNextValue);
}
}
void AasRenderer::RecalcNormals(int vertexCount, const XMFLOAT4* pos, XMFLOAT4* normals, int primCount, const uint16_t* indices) {
static XMFLOAT4 recalcNormalsBuffer[0x8000];
memset(recalcNormalsBuffer, 0, vertexCount * sizeof(XMFLOAT4));
// Process every TRI we have
auto curIdx = indices;
for (auto tri = 0; tri < primCount; ++tri) {
// Indices of the three vertices making up this triangle
auto idx1 = *curIdx++;
auto idx2 = *curIdx++;
auto idx3 = *curIdx++;
auto pos1 = XMLoadFloat4(&pos[idx1]);
auto pos2 = XMLoadFloat4(&pos[idx2]);
auto pos3 = XMLoadFloat4(&pos[idx3]);
auto v1to2(pos2 - pos1);
auto v1to3(pos3 - pos1);
// Calculate the surface normal of the surface defined
// by the two directional vectors
auto surfNormal(XMVector3Cross(v1to2, v1to3) * -1);
// The surface normal contributes to all three vertex normals
XMStoreFloat4(&normals[idx1], surfNormal);
XMStoreFloat4(&normals[idx2], surfNormal);
XMStoreFloat4(&normals[idx3], surfNormal);
}
// Re-Normalize the normals we calculated
for (auto i = 0; i < vertexCount; ++i) {
auto normal(XMVector3Normalize(XMLoadFloat4(&normals[i])));
XMStoreFloat4(&normals[i], normal);
}
}
void Camera::rotateX(float amount)
{
XMMATRIX mRotate = XMMatrixRotationAxis(XMLoadFloat4(&v_Right), amount);
XMVECTOR new_y = XMVector4Transform(XMLoadFloat4(&v_Up), mRotate);
XMVECTOR new_z = XMVector4Transform(XMLoadFloat4(&v_Look), mRotate);
XMStoreFloat4(&v_Up, new_y);
XMStoreFloat4(&v_Look, new_z);
update();
}
void Camera::rotateZ(float amount)
{
XMMATRIX mRotate = XMMatrixRotationZ(amount);
XMVECTOR new_x = XMVector4Transform(XMLoadFloat4(&v_Right), mRotate);
XMVECTOR new_z = XMVector4Transform(XMLoadFloat4(&v_Look), mRotate);
XMStoreFloat4(&v_Right, new_x);
XMStoreFloat4(&v_Look, new_z);
update();
}
void World::moveEntity( WorldEntity* entity, XMVECTOR moveVec, float dist )
{
//Try to move the entity in the world along the moveVec
XMVECTOR pos = XMLoadFloat4( &entity->getPosition() );
XMVECTOR wall = XMVectorZero();
XMVECTOR vel = XMVectorScale( moveVec, dist );
XMVECTOR desiredPos;
XMFLOAT4 check;
XMFLOAT4 negativeCheck;
int checks = 0;
int maxChecks = 10;
float saveDist = dist;
float distInterval = dist / static_cast<float>(maxChecks);
XMStoreFloat4( &check, XMVector3Length(moveVec) );
//Don't bother doing anything if there is no movement direction
if( check.x <= 0.0f ){
return;
}
//Check collision at where we plan to be
if( checkEntityCollision( entity, pos, &wall ) ){
XMStoreFloat4( &check, wall );
XMStoreFloat4( &negativeCheck, vel );
//Check the negative bit of the x and z values and see if they are equal, if they are, then stop movement
bool negativeXWall = *(int*)(&check.x) < 0;
bool negativeZWall = *(int*)(&check.z) < 0;
bool negativeXVel = *(int*)(&negativeCheck.x) < 0;
bool negativeZVel = *(int*)(&negativeCheck.z) < 0;
//If we are not in a corner, collide with the wall, otherwise stop movement
if(check.w <= 1.5f ||
( negativeXWall != negativeXVel ||
negativeZWall != negativeZVel ) ){
XMVECTOR invWall = XMVectorNegate( wall );
wall = wall * XMVector3Length( moveVec * invWall );
vel = (moveVec - wall) * dist;
}else{
vel = XMVectorZero();
}
}
desiredPos = pos + vel;
XMStoreFloat4( &entity->getPosition(), desiredPos );
}
void Canister::Update(float DeltaTime, Terrain* terrain)
{
XMFLOAT3 newPos = GetFloat3Value( Position );
if ( !gPointLight )
{
gPointLight = new PointLight();
gPointLight->GetGPULight()->Color = XMFLOAT4( 0.0f, 0.0f, 1.0f, 0.0f );
gPointLight->GetGPULight()->Position = newPos;
gPointLight->GetGPULight()->Range = 33.333f * 0.40f;
gPointLight->GetGPULight()->HasShadow = false;
AddLight( gPointLight );
}
gTimeSpan += DeltaTime;
XMVECTOR QuatV = XMQuaternionRotationRollPitchYaw(0, DeltaTime, 0);
XMFLOAT4 Quat;
XMStoreFloat4(&Quat, QuatV);
AddRotation( Quat );
newPos.y = gOffset.y + ( gOffset.y - 2 ) * sin( 8 * gTimeSpan );
MoveTo( newPos );
newPos.y -= 1.0f;
if ( gPointLight )
gPointLight->GetGPULight()->Position = newPos;
Item::Update( DeltaTime, terrain );
}
f32 Vector::dot(const Vector& vec) const
{
XMVECTOR vecDot = XMVector3Dot(m_vector, vec.getXMVector());
XMFLOAT4 fDot;
XMStoreFloat4(&fDot, vecDot);
return fDot.x;
}
void LevelParts::setWorld(XMFLOAT4X4 tempLevelPartsWorld)
{
mLevelPartsWorld = tempLevelPartsWorld;
XMMATRIX tempWorld = XMLoadFloat4x4(&mLevelPartsWorld);
XMVECTOR Scale;
XMVECTOR Position;
XMVECTOR Rotation;
XMMatrixDecompose(&Scale, &Rotation, &Position, tempWorld);
XMStoreFloat3(&mLevelPartsPosition, Position);
XMStoreFloat3(&mLevelPartsScale, Scale);
XMStoreFloat4(&mLevelPartsRotation, Rotation);
XMVECTOR S = XMLoadFloat3(&mLevelPartsScale);
XMVECTOR P = XMLoadFloat3(&mLevelPartsPosition);
XMVECTOR Q = XMLoadFloat4(&mLevelPartsRotationQuad);
XMVECTOR rot = XMLoadFloat4(&mLevelPartsRotation);
XMStoreFloat4x4(&mLevelPartsStartingWorld, XMMatrixAffineTransformation(S, rot, Q, P));
}
void Direct3D::update(float dt)
{
static float rotDT = 0.f;
rotDT = dt;
XMMATRIX rot = XMMatrixRotationAxis(XMVectorSet(0.f, 0.f, 1.f, 0.f), rotDT);
for(int i = 0; i < NROFLIGHTS; i++)
{
XMVECTOR vLightPos = XMLoadFloat4(&m_lightList[i].pos);
vLightPos = XMVector4Transform(vLightPos, rot);
XMStoreFloat4(&m_lightList[i].pos, vLightPos);
}
m_pCamera->update();
//m_fps = 1/dt;
m_time += dt;
static int frameCnt = 0;
static float t_base = 0.f;
frameCnt++;
if(m_time - t_base >= 1.f)
{
frameCnt /= 1;
m_fps = (float)frameCnt;
frameCnt = 0;
t_base += 1.f;
}
updateConstantBuffers();
}
XMFLOAT4 quat_from_axis_angle(XMFLOAT3 axis, float angle)
{
auto qr = XMQuaternionRotationAxis(XMLoadFloat3(&axis), XMConvertToRadians(angle));
XMFLOAT4 quat;
XMStoreFloat4(&quat, qr);
return quat;
}
void d3d_display::update_camera() {
XMVECTOR DefaultForward, DefaultRight, camPosition;
DefaultForward = XMLoadFloat4(&_camera.DefaultForward);
DefaultRight = XMLoadFloat4(&_camera.DefaultRight);
camPosition = XMLoadFloat4(&_camera.camPosition);
XMMATRIX camRotationMatrix = XMMatrixRotationRollPitchYaw(_camera.camPitch, _camera.camYaw, 0);
XMVECTOR camTarget = XMVector3TransformCoord(DefaultForward, camRotationMatrix);
camTarget = XMVector3Normalize(camTarget);
XMVECTOR camRight = XMVector3TransformCoord(DefaultRight, camRotationMatrix);
XMVECTOR camForward = XMVector3TransformCoord(DefaultForward, camRotationMatrix);
XMVECTOR camUp = XMVector3Cross(camForward, camRight);
camPosition += _camera.moveLeftRight * camRight;
camPosition += _camera.moveBackForward * camForward;
XMStoreFloat4(&_camera.camPosition, camPosition);
_camera.moveLeftRight = 0.0f;
_camera.moveBackForward = 0.0f;
camTarget = camPosition + camTarget;
XMStoreFloat4x4(&_View, XMMatrixLookAtLH(camPosition, camTarget, camUp));
}
//---------------------------------------------------------------------
void SceneResource::processNodeTrack(const Util::XmlNode * trackNode, SceneNodePtr & parentSceneNode) const
{
NodeTrack & nodeTrack = parentSceneNode->getNodeTrack();
Util::String trackModeStr(mXmlReader->getAttribute(trackNode, "track_mode"));
if (boost::algorithm::equals("as_world", trackModeStr))
nodeTrack.TrackMode = NTM_AS_WORLD;
else if (boost::algorithm::equals("as_parent", trackModeStr))
nodeTrack.TrackMode = NTM_AS_PARENT;
nodeTrack.MoveSpeed = boost::lexical_cast<Util::real>(mXmlReader->getAttribute(trackNode, "move_speed"));
nodeTrack.RotateSpeed = boost::lexical_cast<Util::real>(mXmlReader->getAttribute(trackNode, "rotate_speed"));
const Util::XmlNode * controllPointNode = mXmlReader->getFirstNode(trackNode, "controll_point");
while (controllPointNode)
{
NodeControllPoint controllPoint;
XMStoreFloat3(&controllPoint.Position, Util::StringToVector(mXmlReader->getAttribute(controllPointNode, "position"), 3));
XMStoreFloat4(&controllPoint.Orientation, Util::StringToVector(mXmlReader->getAttribute(controllPointNode, "orientation"), 4));
parentSceneNode->addTrackPoint(controllPoint);
controllPointNode = mXmlReader->getNextSiblingNode(controllPointNode);
}
}
f32 Vector::lengthSqr() const
{
XMVECTOR vecLen = XMVector3LengthSq(m_vector);
XMFLOAT4 fLen;
XMStoreFloat4(&fLen, vecLen);
return fLen.x;
}
XMFLOAT4 Weapon::GetWeaponOffsetRotation()
{
XMVECTOR quat = XMQuaternionIdentity();
XMFLOAT3 direction = GetFloat3Value( Direction );
XMFLOAT3 aimPos;
XMFLOAT3 pipePos;
if (GetJointPosition("PipeAim", aimPos) && GetJointPosition("Pipe", pipePos))
{
//handPos.y = pipePos.y;
XMVECTOR directionV = XMLoadFloat3(&direction);
XMVECTOR handPosV = XMLoadFloat3(&aimPos);
XMVECTOR pipePosV = XMLoadFloat3(&pipePos);
XMVECTOR offsetDirectionV = pipePosV - handPosV;
XMVECTOR angleV = XMVector3AngleBetweenVectors(directionV, offsetDirectionV);
float angle;
XMStoreFloat(&angle, angleV);
if (angle != 0)
{
XMVECTOR axis = XMVector3Cross(directionV, offsetDirectionV);
quat = XMQuaternionRotationAxis(axis, angle);
}
}
XMFLOAT4 result;
XMStoreFloat4(&result, quat);
return result;
}
bool Vector::operator==(const Vector& rhs) const
{
XMVECTOR equVec = XMVectorEqual(m_vector, rhs.getXMVector());
XMFLOAT4 fEqu;
XMStoreFloat4(&fEqu, equVec);
return fEqu.x && fEqu.y && fEqu.z && fEqu.w;
}
XMFLOAT3 EliteEnemyShip::getPosition()
{
XMFLOAT4 pos;
XMFLOAT4 orig = XMFLOAT4(0,0,0,1);
XMFLOAT4X4 mat = *(body->getWorldMatrix());
XMStoreFloat4(&pos, XMVector4Transform(XMLoadFloat4(&orig), XMLoadFloat4x4(&mat)));
return (XMFLOAT3(pos.x, pos.y, pos.z));
}
void GameEntity::init()
{
_scale = XMFLOAT4(1.0f, 1.0f, 1.0f, 0.0f);
XMStoreFloat4(&_rotation, XMQuaternionIdentity());
_position = XMFLOAT4(0.0f, 0.0f, 0.0f, 1.0f);
_layer = 1;
_color = XMFLOAT4(1.0f, 1.0f, 1.0f, 1.0f);
}
void RayTraceDataGenerator::GenerateRaytraceResult(int width, int height,float scale, XMFLOAT4 loc, int neardistance, int maxdepth, XMFLOAT4 n, XMFLOAT4 up, void(*CallbackFunc)(int x, int y, const int& TexType, const XMFLOAT4& loc, const XMFLOAT4& n,const float& depth, void* arg), void* arg)
{
XMVECTOR v_ori = XMLoadFloat4(&loc);
XMVECTOR v_center=XMLoadFloat4(&loc);
XMVECTOR v_n = XMLoadFloat4(&n);
XMVECTOR v_up = XMVector3Normalize(XMLoadFloat4(&up));
v_center = XMVectorAdd(v_center, XMVectorScale(v_n, neardistance));
XMVECTOR v_dir_x = XMVector3Cross(v_n, v_up);
XMVECTOR v_dir_y = XMVector3Cross(v_n, v_dir_x);
XMVECTOR v_current = XMVectorAdd(v_center, XMVectorScale(v_dir_x, -scale*width*0.5));
XMVECTOR v_ret_n;
XMVECTOR v_ret_loc;
//XMFLOAT4 v_unpacked;
XMFLOAT4 v_ret_unpack_n;
XMFLOAT4 v_ret_unpack_loc;
XMVECTOR v_corner1;
XMVECTOR v_corner2;
bool result;
float f_ret_depth;
v_current = XMVectorAdd(v_current, XMVectorScale(v_dir_y, -scale*height*0.5));
v_corner1 = v_current;
v_corner2 = XMVectorAdd(v_current, XMVectorScale(v_dir_y, +scale*height*1.0));
v_corner2 = XMVectorAdd(v_corner2, XMVectorScale(v_dir_x, +scale*width*1.0));
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{//XMVector3Normalize(XMVectorSubtract(v_current, v_ori))
result = CalcIntersect(v_current, v_n, &v_ret_n, &v_ret_loc, &f_ret_depth);
if (result)
{
XMStoreFloat4(&v_ret_unpack_loc,v_ret_loc);
XMStoreFloat4(&v_ret_unpack_n, v_ret_n);
CallbackFunc(i, j, GetLocInfo((int)v_ret_unpack_loc.x, (int)v_ret_unpack_loc.y, (int)v_ret_unpack_loc.z), v_ret_unpack_loc, v_ret_unpack_n, f_ret_depth, arg);
}
else
{
v_ret_unpack_n.x = v_ret_unpack_n.y = v_ret_unpack_n.z = -1;
v_ret_unpack_loc.x = v_ret_unpack_loc.y = v_ret_unpack_loc.z = -1;
f_ret_depth = -1;
CallbackFunc(i, j, -1, v_ret_unpack_loc, v_ret_unpack_n, f_ret_depth, arg);
}
v_current = XMVectorAdd(v_current, XMVectorScale(v_dir_y, scale));
}
v_current = XMVectorAdd(v_current, XMVectorScale(v_dir_x, scale));
}
}
Quaternion& Quaternion::operator*=(const Quaternion& other)
{
XMVECTOR q = ToSIMD();
q = XMQuaternionMultiply(q, other.ToSIMD());
XMStoreFloat4(reinterpret_cast<XMFLOAT4*>(this), q);
return *this;
}
bool MyListener::frameStarted(float timeSinceLastFrame)
{
mKeyboard->capture();
mMouse->capture();
cameraMan->update(timeSinceLastFrame);
debugWindow->updateFPS(timeSinceLastFrame);
elapsedTime+=timeSinceLastFrame*0.3f;
Light* l = mSceneMgr->mShadingMgr->directionalLight;
//XMStoreFloat3(&baseDir,XMVector2Normalize(XMLoadFloat3(&baseDir)));
//l->direction = baseDir;//XMFLOAT3(baseDir.x*cos(elapsedTime)-baseDir.z*sin(elapsedTime),baseDir.y,baseDir.x*cos(elapsedTime)+baseDir.z*sin(elapsedTime));
//XMStoreFloat3(&l->direction,XMVector2Normalize(XMLoadFloat3(&l->direction)));
XMStoreFloat3(&l->direction,XMVector3Rotate(XMLoadFloat3(&baseDir),XMLoadFloat4(&lightQuat)));
mSceneMgr->getGuiManager()->update(timeSinceLastFrame/1000.0f);
mPhysicsMgr->fetchResults(true);
mPhysicsMgr->synchronizeEntities();
mPhysicsMgr->startSimulating(timeSinceLastFrame);
mShadowMapping->renderShadowMaps();
//if(count%2==0)
voxelScene->voxelizeScene(XMFLOAT3(30,30,30),XMFLOAT3(0,0,0));
mShadowMapping->renderCaustics();
voxelScene->endFrame(XMFLOAT3(30,30,30),XMFLOAT3(0,0,0));
count++;
//voxelScene->unifyVoxels();
mSceneMgr->setCurrentCamera(mSceneMgr->getCamera("main"));
mSceneMgr->mShadingMgr->updatePerFrameConstants(timeSinceLastFrame,mSceneMgr->getCamera(),mSceneMgr->getCamera("sun"));
mRS->setBackbufferAsRenderTarget();
mRS->clearViews();
//mSceneMgr->renderSceneWithMaterial(mSceneMgr->getMaterial("depthWrite"));
//mSceneMgr->renderScene();
pp->render();
mSceneMgr->getGuiManager()->render();
mRS->swapChain_->Present(0,0);
if(xp) xr+=timeSinceLastFrame; else if(xm) xr-=timeSinceLastFrame;
if(zp) zr+=timeSinceLastFrame; else if(zm) zr-=timeSinceLastFrame;
XMStoreFloat4(&lightQuat,XMQuaternionRotationRollPitchYaw(xr,0,zr));
return continue_rendering;
}
XMFLOAT4 BlendMap::GetBlendData(float x, float z)
{
if (x < 0 || z < 0 )
return XMFLOAT4(0,0,0,0);
int maxWidth = (m_Width - 1);
int maxHeight = (m_Height - 1);
float X = x * maxWidth;
float Z = z * maxHeight;
if ( X > maxWidth || Z > maxHeight )
return XMFLOAT4(0,0,0,0);
if ( X == maxWidth || Z == maxHeight )
return m_Map[(int)Z][(int)X];
//hämtar blenddata för hörnen i den rektangel man står i
XMVECTOR a = XMLoadFloat4(&m_Map[(int)Z+1][(int)X]);
XMVECTOR b = XMLoadFloat4(&m_Map[(int)Z+1][(int)X+1]);
XMVECTOR c = XMLoadFloat4(&m_Map[(int)Z][(int)X]);
XMVECTOR d = XMLoadFloat4(&m_Map[(int)Z][(int)X+1]);
float s = X - (int)X;
float t = 1 - (Z - (int)Z);
XMFLOAT4 result;
//kollar vilken triangel man står i och räknar ut blenddata därefter.
if (s + t <= 1) //abc-triangel
{
XMVECTOR uy = b - a;
XMVECTOR vy = c - a;
XMStoreFloat4(&result, a + s * uy + t * vy);
}
else //bcd-triangel
{
XMVECTOR uy = c - d;
XMVECTOR vy = b - d;
XMStoreFloat4(&result, d + (1.0f - s) * uy + (1.0f - t) * vy);
}
return result;
}
XMFLOAT4 SphereWalker::getBehind(float dist)
{
XMVECTOR xperp = XMVectorSet(-cosf(angle), sinf(angle), 0,0);
XMVECTOR incrementalRotation;
incrementalRotation = XMQuaternionRotationAxis( xperp, -dist);
XMFLOAT4 ret;
XMStoreFloat4(&ret, XMQuaternionMultiply(incrementalRotation , XMLoadFloat4(&qPos)));
return ret;
}
void ExtractFrustumPlanes(XMFLOAT4 planes[6], CXMMATRIX M)
{
//
// Left
//
planes[0].x = M.r[0].m128_f32[3] + M.r[0].m128_f32[0];
planes[0].y = M.r[1].m128_f32[3] + M.r[1].m128_f32[0];
planes[0].z = M.r[2].m128_f32[3] + M.r[2].m128_f32[0];
planes[0].w = M.r[3].m128_f32[3] + M.r[3].m128_f32[0];
//
// Right
//
planes[1].x = M.r[0].m128_f32[3] - M.r[0].m128_f32[0];
planes[1].y = M.r[1].m128_f32[3] - M.r[1].m128_f32[0];
planes[1].z = M.r[2].m128_f32[3] - M.r[2].m128_f32[0];
planes[1].w = M.r[3].m128_f32[3] - M.r[3].m128_f32[0];
//
// Bottom
//
planes[2].x = M.r[0].m128_f32[3] + M.r[0].m128_f32[1];
planes[2].y = M.r[1].m128_f32[3] + M.r[1].m128_f32[1];
planes[2].z = M.r[2].m128_f32[3] + M.r[2].m128_f32[1];
planes[2].w = M.r[3].m128_f32[3] + M.r[3].m128_f32[1];
//
// Top
//
planes[3].x = M.r[0].m128_f32[3] - M.r[0].m128_f32[1];
planes[3].y = M.r[1].m128_f32[3] - M.r[1].m128_f32[1];
planes[3].z = M.r[2].m128_f32[3] - M.r[2].m128_f32[1];
planes[3].w = M.r[3].m128_f32[3] - M.r[3].m128_f32[1];
//
// Near
//
planes[4].x = M.r[0].m128_f32[2];
planes[4].y = M.r[1].m128_f32[2];
planes[4].z = M.r[2].m128_f32[2];
planes[4].w = M.r[3].m128_f32[2];
//
// Far
//
planes[5].x = M.r[0].m128_f32[3] - M.r[0].m128_f32[2];
planes[5].y = M.r[1].m128_f32[3] - M.r[1].m128_f32[2];
planes[5].z = M.r[2].m128_f32[3] - M.r[2].m128_f32[2];
planes[5].w = M.r[3].m128_f32[3] - M.r[3].m128_f32[2];
// Normalize the plane equations.
for (int i = 0; i < 6; ++i)
{
XMVECTOR v = XMPlaneNormalize(XMLoadFloat4(&planes[i]));
XMStoreFloat4(&planes[i], v);
}
}
void ExtractFrustumPlanes(XMFLOAT4 planes[6], CXMMATRIX M)
{
//
// Left
//
planes[0].x = M(0,3) + M(0,0);
planes[0].y = M(1,3) + M(1,0);
planes[0].z = M(2,3) + M(2,0);
planes[0].w = M(3,3) + M(3,0);
//
// Right
//
planes[1].x = M(0,3) - M(0,0);
planes[1].y = M(1,3) - M(1,0);
planes[1].z = M(2,3) - M(2,0);
planes[1].w = M(3,3) - M(3,0);
//
// Bottom
//
planes[2].x = M(0,3) + M(0,1);
planes[2].y = M(1,3) + M(1,1);
planes[2].z = M(2,3) + M(2,1);
planes[2].w = M(3,3) + M(3,1);
//
// Top
//
planes[3].x = M(0,3) - M(0,1);
planes[3].y = M(1,3) - M(1,1);
planes[3].z = M(2,3) - M(2,1);
planes[3].w = M(3,3) - M(3,1);
//
// Near
//
planes[4].x = M(0,2);
planes[4].y = M(1,2);
planes[4].z = M(2,2);
planes[4].w = M(3,2);
//
// Far
//
planes[5].x = M(0,3) - M(0,2);
planes[5].y = M(1,3) - M(1,2);
planes[5].z = M(2,3) - M(2,2);
planes[5].w = M(3,3) - M(3,2);
// Normalize the plane equations.
for(int i = 0; i < 6; ++i)
{
XMVECTOR v = XMPlaneNormalize(XMLoadFloat4(&planes[i]));
XMStoreFloat4(&planes[i], v);
}
}
void Camera::updateView(float pitch, float yaw, float offset) {
XMMATRIX rotate = XMMatrixRotationRollPitchYaw(pitch, yaw, 0);
XMVECTOR pos = XMLoadFloat4(&position);
XMVECTOR direction = XMLoadFloat4(&target) - pos;
XMVECTOR realTarget = XMVector3Normalize(XMVector3TransformCoord(direction, rotate)) + pos;
XMVECTOR realUp = XMVector3TransformCoord(XMLoadFloat4(&up), rotate);
realUp = XMVector3Normalize(realUp);
direction = XMVector3Normalize(realTarget - pos) * offset;
pos += direction;
realTarget += direction;
XMStoreFloat4(&position, pos);
XMStoreFloat4(&target, realTarget);
XMStoreFloat4(&up, realUp);
XMMATRIX view = XMMatrixLookAtLH(pos, realTarget, realUp);
XMStoreFloat4x4(&viewMatrix, view);
}
Quat Json2Quat(const Json::Value& value)
{
Quat ret;
Vector3 v3;
v3.x = (float)value[(size_t)0].asDouble();
v3.y = (float)value[1].asDouble();
v3.z = (float)value[2].asDouble();
XMVECTOR q = XMQuaternionRotationRollPitchYaw(v3.x * Angle2Radian, v3.y * Angle2Radian, v3.z * Angle2Radian);
XMStoreFloat4((XMFLOAT4*)&ret, q);
return ret;
}
// static
void ff::VectorKey::Interpolate(const VectorKey &lhs, const VectorKey &rhs, float time, bool bSpline, XMFLOAT4 &output)
{
if (bSpline)
{
XMStoreFloat4(&output,
XMVectorHermite(
XMLoadFloat4(&lhs._value),
XMLoadFloat4(&lhs._tangent),
XMLoadFloat4(&rhs._value),
XMLoadFloat4(&rhs._tangent),
time));
}
else
{
XMStoreFloat4(&output,
XMVectorLerp(
XMLoadFloat4(&lhs._value),
XMLoadFloat4(&rhs._value),
time));
}
}
// static
void ff::QuaternionKey::Interpolate(const QuaternionKey &lhs, const QuaternionKey &rhs, float time, bool bSpline, XMFLOAT4 &output)
{
if (bSpline)
{
XMStoreFloat4(&output,
XMQuaternionSquad(
XMLoadFloat4(&lhs._value),
XMLoadFloat4(&lhs._tangent),
XMLoadFloat4(&rhs._tangent),
XMLoadFloat4(&rhs._value),
time));
}
else
{
XMStoreFloat4(&output,
XMQuaternionSlerp(
XMLoadFloat4(&lhs._value),
XMLoadFloat4(&rhs._value),
time));
}
}
