1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/object.h	Sun Nov 09 13:03:36 2014 +0200
     1.3 @@ -0,0 +1,48 @@
     1.4 +/*
     1.5 +Simple introductory ray tracer
     1.6 +Copyright (C) 2012  John Tsiombikas <nuclear@member.fsf.org>
     1.7 +
     1.8 +This program is free software: you can redistribute it and/or modify
     1.9 +it under the terms of the GNU General Public License as published by
    1.10 +the Free Software Foundation, either version 3 of the License, or
    1.11 +(at your option) any later version.
    1.12 +
    1.13 +This program is distributed in the hope that it will be useful,
    1.14 +but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.15 +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.16 +GNU General Public License for more details.
    1.17 +
    1.18 +You should have received a copy of the GNU General Public License
    1.19 +along with this program.  If not, see <http://www.gnu.org/licenses/>.
    1.20 +*/
    1.21 +#ifndef OBJECT_H_
    1.22 +#define OBJECT_H_
    1.23 +
    1.24 +#include "vmath/vmath.h"
    1.25 +#include "material.h"
    1.26 +#include "xform_node.h"
    1.27 +
    1.28 +struct HitPoint;
    1.29 +
    1.30 +class Object : public XFormNode {
    1.31 +public:
    1.32 +	Matrix4x4 xform, inv_xform, dir_xform;
    1.33 +
    1.34 +	Material material;		// surface material properties
    1.35 +
    1.36 +	virtual ~Object() {}
    1.37 +
    1.38 +	virtual void prepare_xform(long msec);
    1.39 +
    1.40 +	virtual bool intersect(const Ray &ray, HitPoint *pt) const = 0;
    1.41 +};
    1.42 +
    1.43 +struct HitPoint {
    1.44 +	float dist;       // parametric distance of intersection along the ray
    1.45 +	Vector3 pos;       // world position of the intersection point
    1.46 +	Vector3 normal;    // surface normal vector at the intersection point
    1.47 +	Vector2 texcoord;  // texture coordinates at the intersection point
    1.48 +	const Object *obj; // pointer to the intersected object
    1.49 +};
    1.50 +
    1.51 +#endif	// OBJECT_H_