paint: move ts to c

paint/sources/physics_world.c

@@ -0,0 +1,36 @@
+
+#ifdef arm_physics
+
+physics_world_t *physics_world_create() {
+	asim_world_create();
+	physics_world_t *world = GC_ALLOC_INIT(physics_world_t, {0});
+	gc_unroot(physics_world_active);
+	physics_world_active = world;
+	gc_root(physics_world_active);
+	return world;
+}
+
+void physics_world_update(physics_world_t *world) {
+	asim_world_update(sys_delta());
+
+	i32_array_t *keys = imap_keys(physics_body_object_map);
+	for (i32 i = 0; i < keys->length; ++i) {
+		physics_body_t *body = any_imap_get(physics_body_object_map, keys->buffer[i]);
+		physics_body_update(body);
+	}
+}
+
+physics_pair_t_array_t *physics_world_get_contact_pairs(physics_world_t *world, physics_body_t *body) {
+	physics_pair_t_array_t *pairs = any_array_create_from_raw((any[]){}, 0);
+	physics_pair_t         *p     = asim_world_get_contact();
+	any_array_push(pairs, p);
+	return pairs;
+}
+
+void physics_world_destroy() {
+	if (physics_world_active != null) {
+		asim_world_destroy();
+	}
+}
+
+#endif