Add leenkx/Sources/leenkx/logicnode/AnyContactNode.hx

leenkx/Sources/leenkx/logicnode/AnyContactNode.hx

@@ -0,0 +1,48 @@
+package leenkx.logicnode;
+
+import iron.object.Object;
+import leenkx.trait.physics.RigidBody;
+
+class AnyContactNode extends LogicNode {
+
+	public var property0: String; 
+	
+	var lastContact = false;
+
+	public function new(tree: LogicTree) {
+		super(tree);
+		tree.notifyOnUpdate(update);
+	}
+
+	function update() {
+		var object1: Object = inputs[0].get();
+		if (object1 == null) object1 = tree.object;
+		if (object1 == null) return;
+
+		var contact = false;
+
+		#if lnx_physics
+		var rb1 = leenkx.trait.physics.PhysicsWorld.getCachedRigidBody(object1);
+		if (rb1 != null) {
+			var physics = leenkx.trait.physics.PhysicsWorld.active;
+			var rbs = physics.getContacts(rb1);
+			
+			contact = (rbs != null && rbs.length > 0);
+		}
+		#end
+
+		var shouldTrigger = false;
+		switch (property0) {
+		case "begin":
+			shouldTrigger = contact && !lastContact;
+		case "overlap":
+			shouldTrigger = contact;
+		case "end":
+			shouldTrigger = !contact && lastContact;
+		}
+
+		lastContact = contact;
+
+		if (shouldTrigger) runOutput(0);
+	}
+}