diff --git a/sandbox/tests/raycast/main.ts b/sandbox/tests/raycast/main.ts
index e322d29c3..43aecc2b2 100644
--- a/sandbox/tests/raycast/main.ts
+++ b/sandbox/tests/raycast/main.ts
@@ -1,28 +1,59 @@
 var game = new ex.Engine({
   width: 600,
   height: 400,
-  displayMode: ex.DisplayMode.FitScreenAndFill
+  displayMode: ex.DisplayMode.FitScreenAndFill,
+  physics: {
+    spatialPartition: ex.SpatialPartitionStrategy.DynamicTree
+  }
 });
 var random = new ex.Random(1337);
+
 // collides with everything but players
-var playerGroup = ex.CollisionGroupManager.create('playerGroup');
-var blockGroup = ex.CollisionGroupManager.create('blockGroup');
-var notPlayers = ~playerGroup.category;
-var notPlayers2 = playerGroup.invert();
+// var playerGroup = ex.CollisionGroupManager.create('playerGroup');
+// var blockGroup = ex.CollisionGroupManager.create('blockGroup');
+// var notPlayers = ~playerGroup.category;
+// var notPlayers2 = playerGroup.invert();
+
+var playerColliders = new ex.CollisionGroup('playerCollider', 0b0001, ~0b1100);
+var bulletColliders = new ex.CollisionGroup('bulletColliders', 0b0010, ~0b1100);
+var wallColliders = new ex.CollisionGroup('wallColliders', 0b0100, ~0b1011);
+var enemyColliders = new ex.CollisionGroup('enemyColliders', 0b1000, ~0b0111);
+
+var wall1 = new ex.Actor({
+  name: 'walls',
+  pos: ex.vec(0, 0),
+  anchor: ex.vec(0, 0),
+  width: game.screen.resolution.width,
+  height: 20,
+  color: ex.Color.Black,
+  collisionGroup: wallColliders
+});
+game.currentScene.add(wall1);
+
+var wall2 = new ex.Actor({
+  name: 'walls',
+  pos: ex.vec(game.screen.resolution.width, 0),
+  anchor: ex.vec(1, 0),
+  width: 20,
+  height: game.screen.resolution.height,
+  color: ex.Color.Black,
+  collisionGroup: wallColliders
+});
+game.currentScene.add(wall2);
 
 var player = new ex.Actor({
   name: 'player',
   pos: ex.vec(70, 320),
   width: 40,
   height: 40,
-  collisionGroup: playerGroup,
+  collisionGroup: playerColliders,
   color: ex.Color.Red,
   z: 10
 });
 var playerDir = ex.Vector.Right;
-var playerSightDistance = 100;
+var playerSightDistance = 2000;
 var playerSpeed = 100;
-var rotationAmount = Math.PI / 32;
+var rotationAmount = Math.PI / 1024;
 player.onPostUpdate = (engine) => {
   player.vel = ex.Vector.Zero;
   const keyboard = engine.input.keyboard;
@@ -39,39 +70,45 @@ player.onPostUpdate = (engine) => {
   }
 
   // raycast
+  var ray = new ex.Ray(player.pos, playerDir);
   var hits = engine.currentScene.physics.rayCast(new ex.Ray(player.pos, playerDir), {
-    maxDistance: playerSightDistance,
-    // collisionMask: notPlayers,
-    collisionGroup: notPlayers2,
-    searchAllColliders: false
+    searchAllColliders: true,
+    collisionMask: 0b1100,
+    ignoreCollisionGroupAll: true,
+    maxDistance: 2000
   });
+  ex.Debug.drawRay(ray, { distance: playerSightDistance, color: ex.Color.Red });
 
   for (let hit of hits) {
+    ex.Debug.drawPoint(hit.point, {
+      size: 10,
+      color: ex.Color.Red
+    });
     const hitActor = hit.collider.owner as ex.Actor;
-    hitActor.graphics.use(
-      new ex.Rectangle({
-        color: ex.Color.Violet,
-        width: 20,
-        height: 20
-      })
-    );
+    if (hitActor.name === 'circles') {
+      hitActor.graphics.use(
+        new ex.Circle({
+          color: ex.Color.Violet,
+          radius: 10
+        })
+      );
+    }
   }
 };
-player.graphics.onPostDraw = (ctx) => {
-  ctx.drawLine(ex.Vector.Zero, ex.Vector.Right.scale(playerSightDistance), ex.Color.Red, 2);
-};
+// player.graphics.onPostDraw = (ctx) => {
+//   ctx.drawLine(ex.Vector.Zero, ex.Vector.Right.scale(playerSightDistance), ex.Color.Red, 2);
+// };
 game.currentScene.add(player);
 
 // environment
 
 for (let i = 0; i < 10; i++) {
   var block = new ex.Actor({
+    name: 'circles',
     pos: ex.vec(random.floating(0, 600), random.floating(0, 400)),
-    width: 20,
-    height: 20,
+    radius: 10,
     color: ex.Color.Black,
-    collisionType: ex.CollisionType.Fixed,
-    collisionGroup: blockGroup
+    collisionGroup: enemyColliders
   });
   game.currentScene.add(block);
 }