1 files changed, 1 insertions, 51 deletions
diff --git a/experimental/tectonics/tectonics.h b/experimental/tectonics/tectonics.h
index b2793e9..de5b18a 100644
--- a/experimental/tectonics/tectonics.h
+++ b/experimental/tectonics/tectonics.h
@@ -5,27 +5,7 @@
 #include <stdbool.h>
 #include <cairo.h>
 
-struct point_t {
-   double x, y;
-   void *data;
-};
-
-
-struct quad_region_t {
-   struct point_t center;
-   double half_dim;
-};
-
-
-struct quadtree_node_t {
-   struct quad_region_t region;
-
-   int id;
-   
-   /* children */
-   struct quadtree_node_t *nw, *ne, *sw, *se;
-};
-
+#include "geometry.h"
 
 struct world_t {
    struct point_t *points;
@@ -35,36 +15,6 @@ struct world_t {
 
 /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  *
- * quadtree
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- */
-
-bool contains_point(struct quad_region_t region, struct point_t pt);
-struct quadtree_node_t new_node(struct point_t center, double half_dim);
-void subdivide(struct quadtree_node_t *node, struct point_t *points);
-bool insert(struct quadtree_node_t *node,
-	    struct point_t *points, int id);
-int get_closest(struct quadtree_node_t *root,
-		struct point_t *points,
-		struct point_t pt);
-void draw_quadtree(cairo_t *cr, struct quadtree_node_t *root);
-void free_tree(struct quadtree_node_t *root);
-
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- * util
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- */
-
-void get_cairo_size(cairo_t *cr, int *width, int *height);
-double rand01();
-double distance(struct point_t p1, struct point_t p2);
-
-
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
  * worlds
  *
  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~