gpuray_glsl

annotate src/object.h @ 0:f234630e38ff

initial commit
author John Tsiombikas <nuclear@member.fsf.org>
date Sun, 09 Nov 2014 13:03:36 +0200
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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_