initial commit.

1 files changed, 40 insertions, 0 deletions

diff --git a/physics.c b/physics.c
new file mode 100644
index 0000000..53a895d
--- /dev/null
+++ b/physics.c
@@ -0,0 +1,40 @@
+#include "physics.h"
+
+PhysicsInfo physics = {0};
+
+void
+physics_init(void) {
+	physics.world_def = b3DefaultWorldDef();
+	physics.world_id = b3CreateWorld(&physics.world_def);
+	physics.simulate = false;
+}
+
+void
+physics_exit(void) {
+	if (b3World_IsValid(physics.world_id)) {
+		b3DestroyWorld(physics.world_id);
+	}
+
+	physics.world_id = b3_nullWorldId;
+}
+
+void
+physics_update(void) {
+	if (!physics.simulate) {
+		return;
+	}
+
+	// TODO: timestep is temporary, should be global value
+	b3World_Step(physics.world_id, 1.0f / 60.0f, 4);
+}
+
+// PhysicsObject
+// physics_obj_create_def(void) {
+// 	PhysicsObject obj = {0};
+// 	return obj;
+// }
+
+// void
+// physics_obj_delete(PhysicsObject* phys) {
+	
+// }