diff --git a/physics/physx.jai b/physics/physx.jai
index a399680..313b575 100644
--- a/physics/physx.jai
+++ b/physics/physx.jai
@@ -13,7 +13,7 @@ init_physx :: () {
     PhysX.PxPvd_connect(pvd, transport, cast(u8)PhysX.PxPvdInstrumentationFlags.ALL);
 
     tolerance_scale : PhysX.PxTolerancesScale;
-    tolerance_scale.length = 100;
+    tolerance_scale.length = 1;
     tolerance_scale.speed = 981;
     physics = PhysX.PxCreatePhysics(PhysX.PX_PHYSICS_VERSION, foundation, *tolerance_scale, true, pvd, null);
 
@@ -22,20 +22,23 @@ init_physx :: () {
 }
 
 tick_physx :: (scene: *PhysX.PxScene, dt: float) {
-    PhysX.PxScene_simulate(scene, dt, null, null, 0, false);
+    PhysX.PxScene_simulate(scene, 1.0/60.0, null, null, 0, true);
     PhysX.PxScene_fetchResults(scene, true, null);
 }
 
+plane : Plane3;
+
 create_physx_scene :: () -> *PhysX.PxScene {
     tolerance_scale : PhysX.PxTolerancesScale;
-    tolerance_scale.length = 100;
-    tolerance_scale.speed = 981;
+    tolerance_scale.length = 1;
+    tolerance_scale.speed = 10;
 
     scene_desc := PhysX.PxSceneDesc_new(*tolerance_scale);
     scene_desc.gravity.y = -9.81;
 
     scene_desc.cpuDispatcher = xx dispatcher;
     PhysX.set_default_filter_shader(*scene_desc);
+
     scene := PhysX.PxPhysics_createScene(physics, *scene_desc);
     
     // @Incomplete: If debug
@@ -44,45 +47,42 @@ create_physx_scene :: () -> *PhysX.PxScene {
         PhysX.PxPvdSceneClient_setScenePvdFlag(pvd_client, xx PhysX.PxPvdSceneFlag.TRANSMIT_CONSTRAINTS, true);
         PhysX.PxPvdSceneClient_setScenePvdFlag(pvd_client, xx PhysX.PxPvdSceneFlag.TRANSMIT_CONTACTS, true);
         PhysX.PxPvdSceneClient_setScenePvdFlag(pvd_client, xx PhysX.PxPvdSceneFlag.TRANSMIT_SCENEQUERIES, true);
-        //PhysX.PxScene_setVisualizationParameter(scene, 0, 1.0);
-        //PhysX.PxScene_setVisualizationParameter(scene, 1, 2.0);
     }
-{
-    plane := PhysX.PxPlane_new(0.0,-1.0,0.0,50.0);
-    ground_plane := PhysX.PxCreatePlane(physics, *plane, material);
-    PhysX.PxScene_addActor(scene, ground_plane, null);
-}
-    
-{
-    plane := PhysX.PxPlane_new(0.0,-1.0,0.0,50.0);
-    ground_plane := PhysX.PxCreatePlane(physics, *plane, material);
-    PhysX.PxScene_addActor(scene, ground_plane, null);
-}
-    
-{
-    plane := PhysX.PxPlane_new(0.0,-1.0,0.0,50.0);
-    ground_plane := PhysX.PxCreatePlane(physics, *plane, material);
-    PhysX.PxScene_addActor(scene, ground_plane, null);
-}
-    
-{
-    plane := PhysX.PxPlane_new(0.0,-1.0,0.0,50.0);
-    ground_plane := PhysX.PxCreatePlane(physics, *plane, material);
-    PhysX.PxScene_addActor(scene, ground_plane, null);
-}
+    {
+        plane_point := Vector3.{0,0,0};
+        plane_normal := Vector3.{0,1,0};
+        plane = PhysX.PxPlane_new(*plane_point, *plane_normal);
+        ground_plane := PhysX.PxCreatePlane(physics, *plane, material);
+        PhysX.PxScene_addActor(scene, ground_plane, null);
+    }
 
-    stack_z := 10.0;
+        stack_z := 0.0;
     for i: 0..4 {
-        stack_pos := Vector3.{0,100,stack_z};
+        stack_pos := Vector3.{0,10,stack_z};
         stack_z -= 10.0;
         create_stack(scene, PhysX.PxTransform_new(*stack_pos), 10, 2.0);
     }
 
+    {
+        pos := Vector3.{0,20,100};
+        geo := PhysX.PxSphereGeometry_new(5);
+        vel := Vector3.{0,-25,-100};
+
+        ball := create_dynamic(scene, PhysX.PxTransform_new(*pos), *geo, vel);
+        density := 1000.0;
+        PhysX.PxRigidBodyExt_updateMassAndInertia(ball, density, null, true);
+    }
+
     return scene;
 }
-
+PxShapeFlags :: enum_flags u8 {
+    SimulationShape :: 1 << 0;
+    SceneQueryShape :: 1 << 1;
+    TriggerShape :: 1 << 2;
+    Visualization :: 1 << 3;
+}
 create_stack :: (scene: *PhysX.PxScene, t: PhysX.PxTransform, size: u32, half_extent: float) {
-	shape := PhysX.PxPhysics_createShape(physics, PhysX.PxBoxGeometry_new(half_extent, half_extent, half_extent), material, false, 0);
+	shape := PhysX.PxPhysics_createShape(physics, PhysX.PxBoxGeometry_new(half_extent, half_extent, half_extent), material, false, xx (PhysX.PxShapeFlags.Visualization | PhysX.PxShapeFlags.SceneQueryShape | PhysX.PxShapeFlags.SimulationShape));
 	for i: 0..size-1 {
 		for j: 0..size-i-1 {
             pos := Vector3.{cast(float)(j*2) - cast(float)(size-i), cast(float)(i*2+1), 0} * half_extent;
@@ -98,9 +98,10 @@ create_stack :: (scene: *PhysX.PxScene, t: PhysX.PxTransform, size: u32, half_ex
 }
 
 
-create_dynamic :: (scene: *PhysX.PxScene, t: PhysX.PxTransform, geometry: PhysX.PxGeometry, velocity: Vector3 = .{}) -> *PhysX.PxRigidDynamic {
+create_dynamic :: (scene: *PhysX.PxScene, t: PhysX.PxTransform, geometry: *PhysX.PxGeometry, velocity: Vector3 = .{}) -> *PhysX.PxRigidDynamic {
     p := Vector3.{0,0,0};
-    dynamic := PhysX.PxCreateDynamic(physics, *t, *geometry, material, 10.0, *PhysX.PxTransform_new(cast(s32)PhysX.PxIDENTITY.PxIdentity));
+    transform := PhysX.PxTransform_new(cast(s32)PhysX.PxIDENTITY.PxIdentity);
+    dynamic := PhysX.PxCreateDynamic(physics, *t, geometry, material, 10.0, *transform);
 	PhysX.PxRigidBody_setAngularDamping(dynamic, 0.5);
 	PhysX.PxRigidDynamic_setLinearVelocity(dynamic, *velocity, true);
 	PhysX.PxScene_addActor(scene, dynamic, null);