1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/geom.h	Sun Jun 21 06:30:39 2015 +0300
     1.3 @@ -0,0 +1,67 @@
     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 +
    1.11 +struct HitPoint {
    1.12 +	float dist;				//< parametric distance along the ray
    1.13 +	Vector3 pos;			//< position of intersection (orig + dir * dist)
    1.14 +	Vector3 normal;			//< normal at the point of intersection
    1.15 +	const void *obj;		//< pointer to the intersected object
    1.16 +};
    1.17 +
    1.18 +class GeomObject {
    1.19 +public:
    1.20 +	virtual ~GeomObject();
    1.21 +
    1.22 +	virtual void set_union(const GeomObject *obj1, const GeomObject *obj2) = 0;
    1.23 +	virtual void set_intersection(const GeomObject *obj1, const GeomObject *obj2) = 0;
    1.24 +
    1.25 +	virtual bool intersect(const Ray &ray, HitPoint *hit = 0) const = 0;
    1.26 +};
    1.27 +
    1.28 +class Sphere : public GeomObject {
    1.29 +public:
    1.30 +	Vector3 center;
    1.31 +	float radius;
    1.32 +
    1.33 +	Sphere();
    1.34 +	Sphere(const Vector3 &center, float radius);
    1.35 +
    1.36 +	void set_union(const GeomObject *obj1, const GeomObject *obj2);
    1.37 +	void set_intersection(const GeomObject *obj1, const GeomObject *obj2);
    1.38 +
    1.39 +	bool intersect(const Ray &ray, HitPoint *hit = 0) const;
    1.40 +};
    1.41 +
    1.42 +class AABox : public GeomObject {
    1.43 +public:
    1.44 +	Vector3 min, max;
    1.45 +
    1.46 +	AABox();
    1.47 +	AABox(const Vector3 &min, const Vector3 &max);
    1.48 +
    1.49 +	void set_union(const GeomObject *obj1, const GeomObject *obj2);
    1.50 +	void set_intersection(const GeomObject *obj1, const GeomObject *obj2);
    1.51 +
    1.52 +	bool intersect(const Ray &ray, HitPoint *hit = 0) const;
    1.53 +};
    1.54 +
    1.55 +class Plane : public GeomObject {
    1.56 +public:
    1.57 +	Vector3 pt, normal;
    1.58 +
    1.59 +	Plane();
    1.60 +	Plane(const Vector3 &pt, const Vector3 &normal);
    1.61 +	Plane(const Vector3 &p1, const Vector3 &p2, const Vector3 &p3);
    1.62 +	Plane(const Vector3 &normal, float dist);
    1.63 +
    1.64 +	void set_union(const GeomObject *obj1, const GeomObject *obj2);
    1.65 +	void set_intersection(const GeomObject *obj1, const GeomObject *obj2);
    1.66 +
    1.67 +	bool intersect(const Ray &ray, HitPoint *hit = 0) const;
    1.68 +};
    1.69 +
    1.70 +#endif	// GEOMOBJ_H_