public bool CullTest(ICuller culler)
{
//make sure the world matrix is up to date first
UpdateWorldMatrix();
//the model implements ICullableInstance interface, which allows a matrix to be passed in
//the DepthDrawSorter requires a cull test be performed to sort this actor into front-back rendering order
return(model.CullTest(culler, ref this.worldMatrix));
}
public void Draw(DrawState state)
{
state.PushWorldMatrix(ref worldMatrix);
//ModelInstances automatically setup the default material shaders
//Custom shaders can be used with model.SetShaderOverride(...)
//ModelData stores accurate bounding box information
//the ModelInstance uses this to cull the model
if (model.CullTest(state))
{
model.Draw(state);
}
state.PopWorldMatrix();
}
//from here everything is the same as the previous example
public bool CullTest(ICuller culler)
{
return(model.CullTest(culler));
}
public bool CullTest(ICuller culler)
{
return(model.CullTest(culler, ref worldMatrix));
}
