add cube primitive

1 files changed, 47 insertions, 2 deletions

diff --git a/src/primitives.c b/src/primitives.c
index 798a691..7cbea07 100644
--- a/src/primitives.c
+++ b/src/primitives.c
@@ -1,3 +1,48 @@
-#ifndef HONEY_PRIMITIVE_OBJECTS
-#define HONEY_PRIMITIVE_OBJECTS
+#include "include/primitives.h"
+
+enum honey_mesh_result honey_mesh_new_cube(honey_mesh* mesh,
+                                           float width,
+                                           float height,
+                                           float depth) {
+  float x0 = 0;
+  float y0 = 0;
+  float z0 = 0;
+
+  float x1 = width;
+  float y1 = height;
+  float z1 = depth;
+
+  float vertices[] = {
+    x0, y0, z0,
+    x1, y0, z0,
+    x0, y1, z0,
+    x1, y1, z0,
+    x0, y0, z1,
+    x1, y0, z1,
+    x0, y1, z1,
+    x1, y1, z1 };
+
+  unsigned int indices[] = { 0, 1, 2,
+                             1, 2, 3,
+                             4, 5, 6,
+                             5, 6, 7,
+                             0, 2, 4,
+                             2, 4, 6,
+                             1, 3, 5,
+                             3, 5, 7,
+                             2, 3, 6,
+                             3, 6, 7,
+                             0, 1, 4,
+                             1, 4, 5 };
+
+  unsigned int attrib_sizes[] = { 3 };
+
+  enum honey_mesh_result result = honey_mesh_new(mesh,
+                                                 vertices,
+                                                 8, 1, attrib_sizes,
+                                                 indices, 36);
+
+  return result;
+}
+