update

script_rigidbody_trigger/Sources/lnx/Trigger.hx

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+package lnx;
+
+import iron.object.Object;
+import iron.Scene;
+import leenkx.trait.physics.PhysicsWorld;
+import leenkx.trait.physics.RigidBody;
+
+class Trigger extends iron.Trait {
+
+	var rb:RigidBody;
+	var physics:leenkx.trait.physics.PhysicsWorld;
+	var obj:Object;
+	
+	public function new() {
+		super();
+
+		notifyOnInit(function() {
+			rb = object.getTrait(RigidBody);
+			physics = leenkx.trait.physics.PhysicsWorld.active;
+			obj = Scene.active.getChild("Icosphere");
+		});
+
+		notifyOnUpdate(function() {
+			// TODO: replace with notifyOnCollisionEnter or notifyOnTriggerEnter once implemented
+			// ref: https://github.com/leenkx3d/leenkx/issues/331
+			var rbs = physics.getContacts(object.getTrait(RigidBody));
+			var visible = false;
+
+			if (rbs != null) {
+				for (rb in rbs){
+					if(rb.object.name == "Cube"){
+						visible = true;
+					}
+				}
+			}
+
+			obj.visible = visible;
+		});
+	}
+}