nuclear@22: #ifndef RAYTRACE_H_
nuclear@22: #define RAYTRACE_H_
nuclear@22: 
nuclear@22: #include "vmath.h"
nuclear@22: #include "vmathray.h"
nuclear@22: 
nuclear@22: class Object;
nuclear@22: 
nuclear@22: struct RayHit {
nuclear@22: 	Ray ray;			// the ray in world coordinates
nuclear@22: 	Ray lray;			// the local coordinate system ray
nuclear@22: 	float dist;			// parametric distance along the ray
nuclear@22: 	const Object *obj;	// pointer to the object that has been hit
nuclear@22: 	const void *subobj;	// object-specific subobject pointer (can be null).
nuclear@22: };
nuclear@22: 
nuclear@22: Vector3 ray_trace(const Ray &ray, int iter = 0);
nuclear@22: Vector3 shade(const RayHit &hit, int iter);
nuclear@22: 
nuclear@22: #endif	// RAYTRACE_H_