1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/geom.h	Sun Nov 01 00:09:12 2015 +0200
     1.3 @@ -0,0 +1,70 @@
     1.4 +#ifndef GEOMOBJ_H_
     1.5 +#define GEOMOBJ_H_
     1.6 +
     1.7 +#include "vmath/vmath.h"
     1.8 +
     1.9 +class GeomObject;
    1.10 +class SceneNode;
    1.11 +
    1.12 +struct HitPoint {
    1.13 +	float dist;				//< parametric distance along the ray
    1.14 +	Vector3 pos;			//< position of intersection (orig + dir * dist)
    1.15 +	Vector3 normal;			//< normal at the point of intersection
    1.16 +	const void *obj;		//< pointer to the intersected object
    1.17 +	const SceneNode *node;
    1.18 +	Ray ray;
    1.19 +};
    1.20 +
    1.21 +class GeomObject {
    1.22 +public:
    1.23 +	virtual ~GeomObject();
    1.24 +
    1.25 +	virtual void set_union(const GeomObject *obj1, const GeomObject *obj2) = 0;
    1.26 +	virtual void set_intersection(const GeomObject *obj1, const GeomObject *obj2) = 0;
    1.27 +
    1.28 +	virtual bool intersect(const Ray &ray, HitPoint *hit = 0) const = 0;
    1.29 +};
    1.30 +
    1.31 +class Sphere : public GeomObject {
    1.32 +public:
    1.33 +	Vector3 center;
    1.34 +	float radius;
    1.35 +
    1.36 +	Sphere();
    1.37 +	Sphere(const Vector3 &center, float radius);
    1.38 +
    1.39 +	void set_union(const GeomObject *obj1, const GeomObject *obj2);
    1.40 +	void set_intersection(const GeomObject *obj1, const GeomObject *obj2);
    1.41 +
    1.42 +	bool intersect(const Ray &ray, HitPoint *hit = 0) const;
    1.43 +};
    1.44 +
    1.45 +class AABox : public GeomObject {
    1.46 +public:
    1.47 +	Vector3 min, max;
    1.48 +
    1.49 +	AABox();
    1.50 +	AABox(const Vector3 &min, const Vector3 &max);
    1.51 +
    1.52 +	void set_union(const GeomObject *obj1, const GeomObject *obj2);
    1.53 +	void set_intersection(const GeomObject *obj1, const GeomObject *obj2);
    1.54 +
    1.55 +	bool intersect(const Ray &ray, HitPoint *hit = 0) const;
    1.56 +};
    1.57 +
    1.58 +class Plane : public GeomObject {
    1.59 +public:
    1.60 +	Vector3 pt, normal;
    1.61 +
    1.62 +	Plane();
    1.63 +	Plane(const Vector3 &pt, const Vector3 &normal);
    1.64 +	Plane(const Vector3 &p1, const Vector3 &p2, const Vector3 &p3);
    1.65 +	Plane(const Vector3 &normal, float dist);
    1.66 +
    1.67 +	void set_union(const GeomObject *obj1, const GeomObject *obj2);
    1.68 +	void set_intersection(const GeomObject *obj1, const GeomObject *obj2);
    1.69 +
    1.70 +	bool intersect(const Ray &ray, HitPoint *hit = 0) const;
    1.71 +};
    1.72 +
    1.73 +#endif	// GEOMOBJ_H_