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-rw-r--r--plug-ins/map-object/map-object-shade.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/plug-ins/map-object/map-object-shade.h b/plug-ins/map-object/map-object-shade.h
new file mode 100644
index 0000000..259e5eb
--- /dev/null
+++ b/plug-ins/map-object/map-object-shade.h
@@ -0,0 +1,26 @@
+#ifndef __MAPOBJECT_SHADE_H__
+#define __MAPOBJECT_SHADE_H__
+
+typedef GimpRGB (* get_ray_color_func) (GimpVector3 *pos);
+
+extern get_ray_color_func get_ray_color;
+
+GimpRGB get_ray_color_plane (GimpVector3 *pos);
+GimpRGB get_ray_color_sphere (GimpVector3 *pos);
+GimpRGB get_ray_color_box (GimpVector3 *pos);
+GimpRGB get_ray_color_cylinder (GimpVector3 *pos);
+void compute_bounding_box (void);
+
+void vecmulmat (GimpVector3 *u,
+ GimpVector3 *v,
+ gfloat m[16]);
+void rotatemat (gfloat angle,
+ GimpVector3 *v,
+ gfloat m[16]);
+void transpose_mat (gfloat m[16]);
+void matmul (gfloat a[16],
+ gfloat b[16],
+ gfloat c[16]);
+void ident_mat (gfloat m[16]);
+
+#endif /* __MAPOBJECT_SHADE_H__ */