feat(action3D): add collision between coin and player actors

examples/gameplay/action3D/actors/player.lua

@@ -63,6 +63,12 @@ function Player:setDirection(direction)
   end
 end
 
+function Player:collisionResponse(collision)
+  if collision.other.type == "coin" then
+    collision.other.owner:takeCoin(self)
+  end
+end
+
 function Player:draw()
   Player.super.draw(self)
 end