godot squash the creeps player movement

projects/godot-squash-the-creeps-3d/scripts/Player.kiss

@@ -0,0 +1,27 @@
+(var &mut :Spatial pivot null)
+(var &mut :Vector3 _velocity Vector3.ZERO)
+
+(method &public &override :Void _Ready []
+    (set pivot (cast (getNode "Pivot") Spatial)))
+
+(method &public &override :Void _PhysicsProcess [:Single delta]
+    (let [&mut direction Vector3.ZERO]
+        (when (Input.isActionPressed "move_right")
+            (+= direction.x 1))
+        (when (Input.isActionPressed "move_left")
+            (-= direction.x 1))
+        (when (Input.isActionPressed "move_backward")
+            (+= direction.z 1))
+        (when (Input.isActionPressed "move_forward")
+            (-= direction.z 1))
+
+        (when !(= direction Vector3.ZERO)
+            (set direction (direction.normalized))
+            // TODO for some reason, the Vector3 addition operator is only found when used in a raw haxe expr:
+            (pivot.lookAt #|translation + direction|# Vector3.UP))
+
+        (set _velocity.x (* direction.x speed))
+        (set _velocity.z (* direction.z speed))
+        (-= _velocity.y (* fallAcceleration delta))
+        (set _velocity (moveAndSlide _velocity Vector3.UP))
+        ))