From e957408cb8cd200696a081b4f5c749c5294110ec Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@gmail.com>
Date: Wed, 1 Jul 2009 04:44:51 +0000
Subject: Sphere and cube C++ wrappers.

---
 libdimension/cube.c | 94 -----------------------------------------------------
 1 file changed, 94 deletions(-)

(limited to 'libdimension/cube.c')

diff --git a/libdimension/cube.c b/libdimension/cube.c
index bb71d0b..d8a1236 100644
--- a/libdimension/cube.c
+++ b/libdimension/cube.c
@@ -21,97 +21,3 @@
 #include "dimension.h"
 #include <stdlib.h> /* For malloc */
 #include <math.h>   /* For sqrt   */
-
-static dmnsn_array *dmnsn_cube_intersections_fn(const dmnsn_object *cube,
-                                                  dmnsn_line line);
-static int dmnsn_cube_inside_fn(const dmnsn_object *cube,
-                                  dmnsn_vector point);
-
-/* Allocate a new cube object */
-dmnsn_object *
-dmnsn_new_cube()
-{
-  dmnsn_object *cube = dmnsn_new_object();
-  if (cube) {
-    cube->intersections_fn = &dmnsn_cube_intersections_fn;
-    cube->inside_fn        = &dmnsn_cube_inside_fn;
-  }
-  return cube;
-}
-
-/* Delete a cube */
-void
-dmnsn_delete_cube(dmnsn_object *cube)
-{
-  dmnsn_delete_object(cube);
-}
-
-/* Intersections callback for a cube */
-static dmnsn_array *
-dmnsn_cube_intersections_fn(const dmnsn_object *cube, dmnsn_line line)
-{
-  double t;
-  dmnsn_vector p;
-  dmnsn_array *array = dmnsn_new_array(sizeof(double));
-
-  /* Six ray-plane intersection tests (x, y, z) = +/- 1.0 */
-
-  if (line.n.x != 0.0) {
-    /* x = -1.0 */
-    t = (-1.0 - line.x0.x)/line.n.x;
-    p = dmnsn_line_point(line, t);
-    if (p.y >= -1.0 && p.y <= 1.0 && p.z >= -1.0 && p.z <= 1.0) {
-      dmnsn_array_push(array, &t);
-    }
-
-    /* x = 1.0 */
-    t = (1.0 - line.x0.x)/line.n.x;
-    p = dmnsn_line_point(line, t);
-    if (p.y >= -1.0 && p.y <= 1.0 && p.z >= -1.0 && p.z <= 1.0) {
-      dmnsn_array_push(array, &t);
-    }
-  }
-
-  if (line.n.y != 0.0) {
-    /* y = -1.0 */
-    t = (-1.0 - line.x0.y)/line.n.y;
-    p = dmnsn_line_point(line, t);
-    if (p.x >= -1.0 && p.x <= 1.0 && p.z >= -1.0 && p.z <= 1.0) {
-      dmnsn_array_push(array, &t);
-    }
-
-    /* y = 1.0 */
-    t = (1.0 - line.x0.y)/line.n.y;
-    p = dmnsn_line_point(line, t);
-    if (p.x >= -1.0 && p.x <= 1.0 && p.z >= -1.0 && p.z <= 1.0) {
-      dmnsn_array_push(array, &t);
-    }
-  }
-
-  if (line.n.z != 0.0) {
-    /* z = -1.0 */
-    t = (-1.0 - line.x0.z)/line.n.z;
-    p = dmnsn_line_point(line, t);
-    if (p.x >= -1.0 && p.x <= 1.0 && p.y >= -1.0 && p.y <= 1.0) {
-      dmnsn_array_push(array, &t);
-    }
-
-    /* z = 1.0 */
-    t = (1.0 - line.x0.z)/line.n.z;
-    p = dmnsn_line_point(line, t);
-    if (p.x >= -1.0 && p.x <= 1.0 && p.y >= -1.0 && p.y <= 1.0) {
-      dmnsn_array_push(array, &t);
-    }
-  }
-
-  return array;
-}
-
-/* Inside callback for a cube */
-static int
-dmnsn_cube_inside_fn(const dmnsn_object *cube, dmnsn_vector point)
-{
-  return point.x > -1.0 && point.x < 1.0
-      && point.y > -1.0 && point.y < 1.0
-      && point.z > -1.0 && point.z < 1.0; 
-}
-- 
cgit v1.2.3