source: GTP/trunk/App/Demos/Vis/FriendlyCulling/src/Shape.cpp @ 3054

#include "Shape.h"
#include "Material.h"
#include "RenderState.h"
#include "Geometry.h"
#include "SceneEntity.h"
#include "Transform3.h"


namespace CHCDemoEngine 
{

Shape::Shape(Geometry *geometry, Material *mat, SceneEntity *parent):
mGeometry(geometry), 
mMaterial(mat), 
mParent(parent)
{
        mCenter = GetBoundingBox().Center();
}


Shape::~Shape()
{}


void Shape::Render(RenderState *state)
{
        if (mMaterial) 
                mMaterial->Render(state);

        mParent->GetTransform()->Load(state);
        mGeometry->Render(state);
        mParent->GetTransform()->Unload(state);
}


void Shape::SetGeometry(Geometry *geom)
{
        mGeometry = geom;
}


void Shape::SetMaterial(Material *mat)
{
        mMaterial = mat;
}



AxisAlignedBox3 Shape::GetBoundingBox() const
{
        return mGeometry->GetBoundingBox();
}


AxisAlignedBox3 Shape::GetTransformedBoundingBox() const
{
        if (mParent->GetTransform()->IsIdentity())
                return mGeometry->GetBoundingBox();

        Matrix4x4 mat = mParent->GetTransform()->GetMatrix();

        return Transform(mGeometry->GetBoundingBox(), mat);
}


Vector3 Shape::GetCenter() const
{
        if (mParent->GetTransform()->IsIdentity())
                return mCenter;

        Matrix4x4 mat = mParent->GetTransform()->GetMatrix();

        return mat * mCenter;
}


}