almost there

[csgray] / src / csgimpl.h

diff --git a/src/csgimpl.h b/src/csgimpl.h
new file mode 100644 (file)
index 0000000..d6cb7a4
--- /dev/null
+++ b/src/csgimpl.h
@@ -0,0 +1,67 @@
+#ifndef CSGIMPL_H_
+#define CSGIMPL_H_
+
+#include "csgray.h"
+
+enum {
+       OB_NULL,
+       OB_SPHERE,
+       OB_CYLINDER,
+       OB_PLANE,
+       OB_BOX,
+       OB_UNION,
+       OB_INTERSECTION,
+       OB_SUBTRACTION
+};
+
+struct object {
+       int type;
+
+       float r, g, b;
+       float emr, emg, emb;
+       float roughness;
+       float opacity;
+
+       float xform[16], inv_xform[16];
+
+       csg_object *next;
+
+       void (*destroy)(csg_object*);
+};
+
+struct sphere {
+       struct object ob;
+       float rad;
+};
+
+struct cylinder {
+       struct object ob;
+       float rad;
+};
+
+struct plane {
+       struct object ob;
+       float nx, ny, nz;
+       float d;
+};
+
+struct csgop {
+       struct object ob;
+       csg_object *a, *b;
+};
+
+union csg_object {
+       struct object ob;
+       struct sphere sph;
+       struct cylinder cyl;
+       struct plane plane;
+       struct csgop un, isect, sub;
+};
+
+struct camera {
+       float x, y, z;
+       float tx, ty, tz;
+       float fov;
+};
+
+#endif /* CSGIMPL_H_ */