create basic scene and draw obj

1 files changed, 19 insertions, 3 deletions

diff --git a/examples/obj_loading/ex_obj_loading.c b/examples/obj_loading/ex_obj_loading.c
index 87aeb2d..d250857 100644
--- a/examples/obj_loading/ex_obj_loading.c
+++ b/examples/obj_loading/ex_obj_loading.c
@@ -1,13 +1,26 @@
 #include <glfw3.h>
 
+#include "camera.h"
 #include "core.h"
+#include "maths.h"
+#include "maths_types.h"
 #include "render.h"
+#include "render_types.h"
 
 int main() {
   core* core = core_bringup();
 
-  // Set up our scene
-  model_handle cube = model_load_obj(core, "assets/models/obj/cube/cube.obj", true);
+  // --- Set up our scene
+
+  // 1. load model from disk
+  model_handle cube_handle = model_load_obj(core, "assets/models/obj/cube/cube.obj", true);
+  model* cube = &core->models->data[cube_handle.raw];
+  // 2. upload vertex data to gpu
+  model_upload_meshes(&core->renderer, cube);
+  // 3. create a camera
+  vec3 camera_pos = vec3(3., 4., 10.);
+  vec3 camera_front = vec3_normalise(vec3_negate(camera_pos));
+  camera cam = camera_create(camera_pos, camera_front, VEC3_Y, deg_to_rad(45.0));
 
   // Main loop
   while (!glfwWindowShouldClose(core->renderer.window)) {
@@ -16,7 +29,10 @@ int main() {
 
     render_frame_begin(&core->renderer);
 
-    // insert work here
+    // Draw the cube
+    transform cube_tf =
+        transform_create(VEC3_ZERO, quat_ident(), 2.5);  // make the cube a bit bigger
+    draw_model(&core->renderer, &cam, cube, cube_tf);
 
     render_frame_end(&core->renderer);
   }