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annotate src/geom.h @ 25:ac80210d5fbe

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preparing a pc version for easier development of non-android-specifics
author John Tsiombikas <nuclear@member.fsf.org>
date Thu, 18 Jun 2015 03:12:30 +0300
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nuclear@25 1 #ifndef GEOMOBJ_H_
nuclear@25 2 #define GEOMOBJ_H_
nuclear@25 3
nuclear@25 4 #include "vmath/vmath.h"
nuclear@25 5
nuclear@25 6 class GeomObject;
nuclear@25 7
nuclear@25 8 struct HitPoint {
nuclear@25 9 float dist; //< parametric distance along the ray
nuclear@25 10 Vector3 pos; //< position of intersection (orig + dir * dist)
nuclear@25 11 Vector3 normal; //< normal at the point of intersection
nuclear@25 12 const void *obj; //< pointer to the intersected object
nuclear@25 13 };
nuclear@25 14
nuclear@25 15 class GeomObject {
nuclear@25 16 public:
nuclear@25 17 virtual ~GeomObject();
nuclear@25 18
nuclear@25 19 virtual void set_union(const GeomObject *obj1, const GeomObject *obj2) = 0;
nuclear@25 20 virtual void set_intersection(const GeomObject *obj1, const GeomObject *obj2) = 0;
nuclear@25 21
nuclear@25 22 virtual bool intersect(const Ray &ray, HitPoint *hit = 0) const = 0;
nuclear@25 23 };
nuclear@25 24
nuclear@25 25 class Sphere : public GeomObject {
nuclear@25 26 public:
nuclear@25 27 Vector3 center;
nuclear@25 28 float radius;
nuclear@25 29
nuclear@25 30 Sphere();
nuclear@25 31 Sphere(const Vector3 &center, float radius);
nuclear@25 32
nuclear@25 33 void set_union(const GeomObject *obj1, const GeomObject *obj2);
nuclear@25 34 void set_intersection(const GeomObject *obj1, const GeomObject *obj2);
nuclear@25 35
nuclear@25 36 bool intersect(const Ray &ray, HitPoint *hit = 0) const;
nuclear@25 37 };
nuclear@25 38
nuclear@25 39 class AABox : public GeomObject {
nuclear@25 40 public:
nuclear@25 41 Vector3 min, max;
nuclear@25 42
nuclear@25 43 AABox();
nuclear@25 44 AABox(const Vector3 &min, const Vector3 &max);
nuclear@25 45
nuclear@25 46 void set_union(const GeomObject *obj1, const GeomObject *obj2);
nuclear@25 47 void set_intersection(const GeomObject *obj1, const GeomObject *obj2);
nuclear@25 48
nuclear@25 49 bool intersect(const Ray &ray, HitPoint *hit = 0) const;
nuclear@25 50 };
nuclear@25 51
nuclear@25 52 class Plane : public GeomObject {
nuclear@25 53 public:
nuclear@25 54 Vector3 pt, normal;
nuclear@25 55
nuclear@25 56 Plane();
nuclear@25 57 Plane(const Vector3 &pt, const Vector3 &normal);
nuclear@25 58 Plane(const Vector3 &p1, const Vector3 &p2, const Vector3 &p3);
nuclear@25 59 Plane(const Vector3 &normal, float dist);
nuclear@25 60
nuclear@25 61 void set_union(const GeomObject *obj1, const GeomObject *obj2);
nuclear@25 62 void set_intersection(const GeomObject *obj1, const GeomObject *obj2);
nuclear@25 63
nuclear@25 64 bool intersect(const Ray &ray, HitPoint *hit = 0) const;
nuclear@25 65 };
nuclear@25 66
nuclear@25 67 #endif // GEOMOBJ_H_