gpuray_glsl
annotate src/object.h @ 1:92695e89164b
vc project
author | John Tsiombikas <nuclear@member.fsf.org> |
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date | Sun, 09 Nov 2014 14:30:37 +0200 |
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rev | line source |
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nuclear@0 | 1 /* |
nuclear@0 | 2 Simple introductory ray tracer |
nuclear@0 | 3 Copyright (C) 2012 John Tsiombikas <nuclear@member.fsf.org> |
nuclear@0 | 4 |
nuclear@0 | 5 This program is free software: you can redistribute it and/or modify |
nuclear@0 | 6 it under the terms of the GNU General Public License as published by |
nuclear@0 | 7 the Free Software Foundation, either version 3 of the License, or |
nuclear@0 | 8 (at your option) any later version. |
nuclear@0 | 9 |
nuclear@0 | 10 This program is distributed in the hope that it will be useful, |
nuclear@0 | 11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
nuclear@0 | 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
nuclear@0 | 13 GNU General Public License for more details. |
nuclear@0 | 14 |
nuclear@0 | 15 You should have received a copy of the GNU General Public License |
nuclear@0 | 16 along with this program. If not, see <http://www.gnu.org/licenses/>. |
nuclear@0 | 17 */ |
nuclear@0 | 18 #ifndef OBJECT_H_ |
nuclear@0 | 19 #define OBJECT_H_ |
nuclear@0 | 20 |
nuclear@0 | 21 #include "vmath/vmath.h" |
nuclear@0 | 22 #include "material.h" |
nuclear@0 | 23 #include "xform_node.h" |
nuclear@0 | 24 |
nuclear@0 | 25 struct HitPoint; |
nuclear@0 | 26 |
nuclear@0 | 27 class Object : public XFormNode { |
nuclear@0 | 28 public: |
nuclear@0 | 29 Matrix4x4 xform, inv_xform, dir_xform; |
nuclear@0 | 30 |
nuclear@0 | 31 Material material; // surface material properties |
nuclear@0 | 32 |
nuclear@0 | 33 virtual ~Object() {} |
nuclear@0 | 34 |
nuclear@0 | 35 virtual void prepare_xform(long msec); |
nuclear@0 | 36 |
nuclear@0 | 37 virtual bool intersect(const Ray &ray, HitPoint *pt) const = 0; |
nuclear@0 | 38 }; |
nuclear@0 | 39 |
nuclear@0 | 40 struct HitPoint { |
nuclear@0 | 41 float dist; // parametric distance of intersection along the ray |
nuclear@0 | 42 Vector3 pos; // world position of the intersection point |
nuclear@0 | 43 Vector3 normal; // surface normal vector at the intersection point |
nuclear@0 | 44 Vector2 texcoord; // texture coordinates at the intersection point |
nuclear@0 | 45 const Object *obj; // pointer to the intersected object |
nuclear@0 | 46 }; |
nuclear@0 | 47 |
nuclear@0 | 48 #endif // OBJECT_H_ |