namespace Msp {
namespace GL {
+class Matrix;
class Renderer;
/**
returned value is treated as opaque. */
virtual long get_instance_key() const { return 0; }
+ /** Returns the model matrix of the Renderable. Null is returned if no such
+ matrix exists. */
+ virtual const Matrix *get_matrix() const { return 0; }
+
/** Renders the renderable without a renderer. This can be convenient in
some simple cases, but most renderables don't need to implement this
method. */