X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?p=csgray;a=blobdiff_plain;f=src%2Fgeom.h;fp=src%2Fgeom.h;h=7405fa3b27cab735ff8930b4b0e5096bff0bbe7b;hp=0000000000000000000000000000000000000000;hb=07ca36e28aa10804ba5a544276eb5a25f8105e0f;hpb=40a4c5772ab19e7f27c62768d40f697bf5d80a12

diff --git a/src/geom.h b/src/geom.h
new file mode 100644
index 0000000..7405fa3
--- /dev/null
+++ b/src/geom.h
@@ -0,0 +1,36 @@
+#ifndef GEOM_H_
+#define GEOM_H_
+
+#include "csgray.h"
+#include "csgimpl.h"
+
+struct ray {
+	float x, y, z;
+	float dx, dy, dz;
+};
+
+struct hit {
+	float t;
+	float x, y, z;
+	float nx, ny, nz;
+	csg_object *o;
+
+	struct hit *next;
+};
+
+struct hit *alloc_hit(void);
+void free_hit(struct hit *hit);
+void free_hit_list(struct hit *hit);
+
+struct hit *ray_intersect(struct ray *ray, csg_object *o);
+
+struct hit *ray_sphere(struct ray *ray, csg_object *o);
+struct hit *ray_cylinder(struct ray *ray, csg_object *o);
+struct hit *ray_plane(struct ray *ray, csg_object *o);
+struct hit *ray_csg_un(struct ray *ray, csg_object *o);
+struct hit *ray_csg_isect(struct ray *ray, csg_object *o);
+struct hit *ray_csg_sub(struct ray *ray, csg_object *o);
+
+void xform_ray(struct ray *ray, float *mat);
+
+#endif	/* GEOM_H_ */