source: GTP/trunk/App/Demos/Vis/FriendlyCulling/src/Transform3.cpp @ 3115

#include "Transform3.h"
#include "RenderState.h"
#include "ShaderProgram.h"


namespace CHCDemoEngine 
{


Transform3::Transform3()
{
        Reset();
}


Transform3::Transform3(const Matrix4x4 &trafo): 
mMatrix(trafo), mOldMatrix(trafo)
{
        mIsIdentity = false;
}


void Transform3::Load(RenderState *state)
{
        if (!mIsIdentity) 
        {
                glPushMatrix();
                glMultMatrixf((float *)mMatrix.x);
        }
}


void Transform3::Unload(RenderState *state)
{
        if (!mIsIdentity) glPopMatrix();
}


void Transform3::MultMatrix(const Matrix4x4 &trafo)
{
        mIsIdentity = false;
        mOldMatrix = mMatrix;
        mMatrix = trafo * mMatrix;
}


void Transform3::Reset()
{
        mIsIdentity = true;
        mMatrix = IdentityMatrix();
        mOldMatrix = mMatrix;
}


}