X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fgeom.h;fp=src%2Fgeom.h;h=86a6d230c00980d0b98225fc4b3e2d5788ca0d6c;hb=d2f1a6ab443b86a42e9fd28a19ebdbcf729a5d51;hp=0000000000000000000000000000000000000000;hpb=d05988274bf2ff6274e2c874976681aa989b7d89;p=cyberay

diff --git a/src/geom.h b/src/geom.h
new file mode 100644
index 0000000..86a6d23
--- /dev/null
+++ b/src/geom.h
@@ -0,0 +1,44 @@
+#ifndef GEOM_H_
+#define GEOM_H_
+
+#include <cgmath/cgmath.h>
+#include "rt.h"
+
+struct vertex {
+	cgm_vec3 pos;
+	cgm_vec3 norm;
+	cgm_vec2 tex;
+};
+
+struct triangle {
+	struct vertex v[3];
+	cgm_vec3 norm;
+	struct material *mtl;
+};
+
+struct aabox {
+	cgm_vec3 p, r;
+};
+
+struct bvhnode {
+	struct aabox aabb;
+
+	struct triangle **faces;
+	int num_faces, max_faces;
+
+	struct bvhnode *sub;
+	int num_sub;
+};
+
+struct rayhit {
+	float t;
+	struct vertex v;
+	cgm_ray ray;
+	struct material *mtl;
+};
+
+int ray_triangle(cgm_ray *ray, struct triangle *tri, float tmax, struct rayhit *hit);
+int ray_aabox_any(cgm_ray *ray, struct aabox *box, float tmax);
+int ray_bvhnode(cgm_ray *ray, struct bvhnode *bn, float tmax, struct rayhit *hit);
+
+#endif	/* GEOM_H_ */