wip: transform propagation

1 files changed, 51 insertions, 0 deletions

diff --git a/examples/transforms/ex_transforms.c b/examples/transforms/ex_transforms.c
new file mode 100644
index 0000000..edb1c21
--- /dev/null
+++ b/examples/transforms/ex_transforms.c
@@ -0,0 +1,51 @@
+#include <glfw3.h>
+
+#include "core.h"
+#include "render.h"
+#include "render_types.h"
+#include "maths_types.h"
+#include "maths.h"
+#include "transform_hierarchy.h"
+
+int main() {
+  core* core = core_bringup();
+
+  // Set up scene
+  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));
+
+  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);
+
+  // Create transform hierarchy
+  transform_hierarchy* transform_tree = transform_hierarchy_create();
+  transform_node* root_node = transform_hierarchy_root_node(transform_tree);
+
+  // Add nodes
+  // -- 4 cubes
+  transform cube1 = transform_create(vec3(-2.0, -2.0, -2.0), quat_ident(), 2.0);
+  transform cube2 = transform_create(vec3(2.0, 2.0, 2.0), quat_ident(), 2.0);
+  transform_hierarchy_add_node(root_node, cube_handle, cube1);
+  transform_hierarchy_add_node(root_node, cube_handle, cube2);
+
+
+  // Main loop
+  while (!glfwWindowShouldClose(core->renderer.window)) {
+    input_update(&core->input);
+    threadpool_process_results(&core->threadpool, 1);
+
+    render_frame_begin(&core->renderer);
+
+    // insert work here
+
+    render_frame_end(&core->renderer);
+  }
+
+  transform_hierarchy_free(transform_tree);
+
+  return 0;
+}