cubemapper

annotate src/geom.h @ 4:2bfafdced01a

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added README, COPYING, and copyright headers
author John Tsiombikas <nuclear@member.fsf.org>
date Sun, 30 Jul 2017 16:11:19 +0300
parents 8fc9e1d3aad2
children
rev   line source
nuclear@4 1 /*
nuclear@4 2 Cubemapper - a program for converting panoramic images into cubemaps
nuclear@4 3 Copyright (C) 2017 John Tsiombikas <nuclear@member.fsf.org>
nuclear@4 4
nuclear@4 5 This program is free software: you can redistribute it and/or modify
nuclear@4 6 it under the terms of the GNU General Public License as published by
nuclear@4 7 the Free Software Foundation, either version 3 of the License, or
nuclear@4 8 (at your option) any later version.
nuclear@4 9
nuclear@4 10 This program is distributed in the hope that it will be useful,
nuclear@4 11 but WITHOUT ANY WARRANTY; without even the implied warranty of
nuclear@4 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
nuclear@4 13 GNU General Public License for more details.
nuclear@4 14
nuclear@4 15 You should have received a copy of the GNU General Public License
nuclear@4 16 along with this program. If not, see <http://www.gnu.org/licenses/>.
nuclear@4 17 */
nuclear@0 18 #ifndef GEOMOBJ_H_
nuclear@0 19 #define GEOMOBJ_H_
nuclear@0 20
nuclear@0 21 #include <gmath/gmath.h>
nuclear@0 22
nuclear@0 23 class GeomObject;
nuclear@0 24 class SceneNode;
nuclear@0 25
nuclear@0 26 struct HitPoint {
nuclear@0 27 float dist; //< parametric distance along the ray
nuclear@0 28 Vec3 pos; //< position of intersection (orig + dir * dist)
nuclear@0 29 Vec3 normal; //< normal at the point of intersection
nuclear@0 30 const void *obj; //< pointer to the intersected object
nuclear@0 31 const SceneNode *node;
nuclear@0 32 Ray ray;
nuclear@0 33 };
nuclear@0 34
nuclear@0 35 class GeomObject {
nuclear@0 36 public:
nuclear@0 37 virtual ~GeomObject();
nuclear@0 38
nuclear@0 39 virtual void set_union(const GeomObject *obj1, const GeomObject *obj2) = 0;
nuclear@0 40 virtual void set_intersection(const GeomObject *obj1, const GeomObject *obj2) = 0;
nuclear@0 41
nuclear@0 42 virtual bool intersect(const Ray &ray, HitPoint *hit = 0) const = 0;
nuclear@0 43 };
nuclear@0 44
nuclear@0 45 class Sphere : public GeomObject {
nuclear@0 46 public:
nuclear@0 47 Vec3 center;
nuclear@0 48 float radius;
nuclear@0 49
nuclear@0 50 Sphere();
nuclear@0 51 Sphere(const Vec3 &center, float radius);
nuclear@0 52
nuclear@0 53 void set_union(const GeomObject *obj1, const GeomObject *obj2);
nuclear@0 54 void set_intersection(const GeomObject *obj1, const GeomObject *obj2);
nuclear@0 55
nuclear@0 56 bool intersect(const Ray &ray, HitPoint *hit = 0) const;
nuclear@0 57 };
nuclear@0 58
nuclear@0 59 class AABox : public GeomObject {
nuclear@0 60 public:
nuclear@0 61 Vec3 min, max;
nuclear@0 62
nuclear@0 63 AABox();
nuclear@0 64 AABox(const Vec3 &min, const Vec3 &max);
nuclear@0 65
nuclear@0 66 void set_union(const GeomObject *obj1, const GeomObject *obj2);
nuclear@0 67 void set_intersection(const GeomObject *obj1, const GeomObject *obj2);
nuclear@0 68
nuclear@0 69 bool intersect(const Ray &ray, HitPoint *hit = 0) const;
nuclear@0 70 };
nuclear@0 71
nuclear@0 72 class Plane : public GeomObject {
nuclear@0 73 public:
nuclear@0 74 Vec3 pt, normal;
nuclear@0 75
nuclear@0 76 Plane();
nuclear@0 77 Plane(const Vec3 &pt, const Vec3 &normal);
nuclear@0 78 Plane(const Vec3 &p1, const Vec3 &p2, const Vec3 &p3);
nuclear@0 79 Plane(const Vec3 &normal, float dist);
nuclear@0 80
nuclear@0 81 void set_union(const GeomObject *obj1, const GeomObject *obj2);
nuclear@0 82 void set_intersection(const GeomObject *obj1, const GeomObject *obj2);
nuclear@0 83
nuclear@0 84 bool intersect(const Ray &ray, HitPoint *hit = 0) const;
nuclear@0 85 };
nuclear@0 86
nuclear@0 87 float sphere_distance(const Vec3 &cent, float rad, const Vec3 &pt);
nuclear@0 88 float capsule_distance(const Vec3 &a, float ra, const Vec3 &b, float rb, const Vec3 &pt);
nuclear@0 89
nuclear@0 90 #endif // GEOMOBJ_H_