Refactor to add render types

src/main.c

@@ -21,7 +21,7 @@ int main(void) {
   }
 
   Colour bg = {.r = 42, .g = 45, .b = 52, .a = 255};
-  Colour wireframe = {.r = 242, .g = 100, .b = 48, .a = 255};
+  Colour orange = {.r = 242, .g = 100, .b = 48, .a = 255};
   Image img = {.width = 1200, .height = 1200};
   if (!init_image(arena, &img)) {
     return TINY_EXIT_IMAGE_INIT_FAILED;
@@ -33,7 +33,7 @@ int main(void) {
   }
 
   clear_image(&img, bg);
-  render_wireframe_model(&model, &img, wireframe);
+  render_model(&model, &img, orange, RENDER_TYPE_WIREFRAME);
   save_image(&img, "result.pam");
 
   wapp_mem_arena_destroy(&arena);