int CParticle::Update(float fDelta)
{
if(m_tTargetStage.fTime == 0.0f)
{
m_bIsAlive = false;
return -1;
}
m_fDuration += fDelta;
if(m_fDuration >= m_tTargetStage.fTime)
{
m_nCurStage++;
return m_nCurStage;
}
float tween = m_tTargetStage.fTime - m_tPrevStage.fTime;
float lambda = (m_fDuration - m_tPrevStage.fTime)/tween;
m_d3dVelocity = ((m_tTargetStage.d3dVelocity - m_tPrevStage.d3dVelocity) * lambda) + m_tPrevStage.d3dVelocity + m_d3dRandVel;
m_d3dCurVelocity = (m_d3dVelocity * fDelta);
m_d3dPosition *= GetTranslateMatrix();
m_d3dColor = ((m_tTargetStage.d3dColor - m_tPrevStage.d3dColor) * lambda) + m_tPrevStage.d3dColor;
m_d3dCurScale = ((m_tTargetStage.d3dScale - m_tPrevStage.d3dScale) * lambda) + m_tPrevStage.d3dScale;
m_d3dCurRotation = ((m_tTargetStage.d3dRotation - m_tPrevStage.d3dRotation) * lambda) + m_tPrevStage.d3dRotation;
return 0;
}
bool PODNode::TryGetMatrix( float frame,Matrix4& outMatrix ) const
{
outMatrix.LoadIdentity();
RETURN_FALSE_IF(frame<0.f);
uint frameIndex=(uint)frame;
float frameBlend=frame-(float)frameIndex;
outMatrix=Matrix4::Identity;
if (!AnimationMatrixes.IsEmpty())
{
GetMatrix(frameIndex,outMatrix);
}
else
{
GetScaleMatrix(frameIndex,frameBlend,outMatrix);
GetRotateMatrix(frameIndex,frameBlend,outMatrix);
GetTranslateMatrix(frameIndex,frameBlend,outMatrix);
}
return true;
}
