SGD::Point pointLerp(SGD::Point start, SGD::Point end, float dt, float duration)
{
SGD::Point position;
position.x = floatLerp(start.x, end.x, dt, duration);
position.y = floatLerp(start.y, end.y, dt, duration);
return position;
}
void CPUTCameraModelViewer::Update(float deltaSeconds)
{
float prevDistance = mDistance;
float lerp = floatClamp( deltaSeconds * 6, 0.0f, 1.0f);
mDistance = floatLerp(mDistance, mDstDistance, lerp);
float3 look = (float4x4RotationX(mViewAngles.x) * float4x4RotationY(mViewAngles.y)) * float3( 0, 0, 1 );
float3 pos = mTarget - look * mDistance;
mpCamera->SetPosition(pos);
((CPUTCamera*)mpCamera)->LookAt(mTarget);
mpCamera->Update(deltaSeconds);
}
void CPUTCameraControllerOrthographic::Update(float deltaSeconds)
{
mPosition = ClampPosition(mPosition);
mCurWidth = floatLerp(mMinWidth, mMaxWidth, mZoomRatio);
//float scale = mViewportDim.x / mCurWidth;
float aspectRatio = mViewportDim.x / mViewportDim.y;
mCurHeight = mCurWidth / aspectRatio;
mCamera->SetPosition(mPosition);
mCamera->SetFarPlaneDistance(1000);
mCamera->SetNearPlaneDistance(0.1f);
mCamera->SetWidth(mCurWidth);
mCamera->SetHeight(mCurHeight);
mCamera->Update();
float4x4 projMatrix = *mCamera->GetProjectionMatrix();
projMatrix.r1.y *= -1.0f;
mCamera->SetProjectionMatrix(projMatrix);
}
