added 'On Any Object' checkbioxes for on contact node and for hast contact node, simplifuies workflow and better performence i think

leenkx/Sources/leenkx/logicnode/HasContactNode.hx

@@ -5,21 +5,69 @@ import leenkx.trait.physics.RigidBody;
 
 class HasContactNode extends LogicNode {
 
+	public var property0: Bool; // "any object" checkbox
+	
+	// Performance optimization: Cache RigidBody lookups
+	var cachedRb1: RigidBody = null;
+	var cachedRb2: RigidBody = null;
+	var lastObject1: Object = null;
+	var lastObject2: Object = null;
+	var lastContactCount: Int = 0;
+	var lastFrame: Int = -1;
+
 	public function new(tree: LogicTree) {
 		super(tree);
 	}
 
 	override function get(from: Int): Dynamic {
 		var object1: Object = inputs[0].get();
-		var object2: Object = inputs[1].get();
-
-		if (object1 == null || object2 == null) return false;
+		if (object1 == null) return false;
 
 #if lnx_physics
+		// Enhanced caching: Check both object reference AND RigidBody availability
+		var shouldUpdateCache1 = false;
+		if (object1 != lastObject1) {
+			// Object reference changed - always update cache
+			shouldUpdateCache1 = true;
+		} else if (cachedRb1 == null) {
+			// Same object but no cached RigidBody - check if one was added
+			var currentRb1 = object1.getTrait(RigidBody);
+			if (currentRb1 != null) {
+				shouldUpdateCache1 = true;
+			}
+		}
+
+		if (shouldUpdateCache1) {
+			cachedRb1 = object1.getTrait(RigidBody);
+			lastObject1 = object1;
+		}
+		if (cachedRb1 == null) return false;
+		
 		var physics = leenkx.trait.physics.PhysicsWorld.active;
-		var rb2 = object2.getTrait(RigidBody);
-		var rbs = physics.getContacts(object1.getTrait(RigidBody));
-		if (rbs != null) for (rb in rbs) if (rb == rb2) return true;
+		var rbs = physics.getContacts(cachedRb1);
+		
+		// Early exit if no contacts
+		if (rbs == null || rbs.length == 0) return false;
+		
+		// If "any object" mode, any contact is valid - return immediately
+		if (property0) return true;
+		
+		// Specific object mode - check if second input exists
+		if (inputs.length <= 1) return false;
+		
+		var object2: Object = inputs[1].get();
+		if (object2 == null) return false;
+		
+		// Cache second RigidBody lookup
+		if (object2 != lastObject2) {
+			cachedRb2 = object2.getTrait(RigidBody);
+			lastObject2 = object2;
+		}
+		if (cachedRb2 == null) return false;
+		
+		// Use indexOf for better performance than manual loop
+		// This is more efficient for small arrays and uses native array methods
+		return rbs.indexOf(cachedRb2) >= 0;
 #end
 		return false;
 	}

leenkx/Sources/leenkx/logicnode/OnContactNode.hx

@@ -5,53 +5,99 @@ import leenkx.trait.physics.RigidBody;
 
 class OnContactNode extends LogicNode {
 
-	public var property0: String;
-	var lastContact = false;
+	public var property0: String; // Contact type: "begin", "overlap", "end"
+	public var property1: Bool; // "On Any Object" checkbox
+	
+	// Cache for performance optimization
+	var cachedRb1: RigidBody = null;
+	var cachedRb2: RigidBody = null;
+	var lastObject1: Object = null;
+	var lastObject2: Object = null;
+	var lastObject1TraitCount: Int = 0;
+	var lastObject2TraitCount: Int = 0;
+	var lastContact = false; // Track previous contact state
 
 	public function new(tree: LogicTree) {
 		super(tree);
-
+		// Subscribe to update events for event-based triggering
 		tree.notifyOnUpdate(update);
 	}
 
 	function update() {
 		var object1: Object = inputs[0].get();
-		var object2: Object = inputs[1].get();
-
-		if (object1 == null) object1 = tree.object;
-		if (object2 == null) object2 = tree.object;
-
-		var contact = false;
+		if (object1 == null) return;
 
 #if lnx_physics
-		var physics = leenkx.trait.physics.PhysicsWorld.active;
-		var rb1 = object1.getTrait(RigidBody);
-		if (rb1 != null) {
-			var rbs = physics.getContacts(rb1);
-			if (rbs != null) {
-				var rb2 = object2.getTrait(RigidBody);
-				for (rb in rbs) {
-					if (rb == rb2) {
-						contact = true;
-						break;
-					}
-				}
-			}
-		}
-#end
+		// Smart caching: update cache if object changes OR if trait count changes
+		var shouldUpdateCache1 = (object1 != lastObject1) || 
+		                        (lastObject1 != null && lastObject1.traits.length != lastObject1TraitCount);
 		
-		var b = false;
+		if (shouldUpdateCache1) {
+			cachedRb1 = object1.getTrait(RigidBody);
+			lastObject1 = object1;
+			lastObject1TraitCount = object1.traits.length;
+		}
+		if (cachedRb1 == null) return;
+		
+		var rbs = leenkx.trait.physics.PhysicsWorld.active.getContacts(cachedRb1);
+		if (rbs == null || rbs.length == 0) {
+			// No contacts - handle "end" event
+			if (lastContact && property0 == "end") {
+				runOutput(0);
+			}
+			lastContact = false;
+			return;
+		}
+		
+		// Check for contact
+		var contact = false;
+		
+		// If "On Any Object" mode, any contact is valid
+		if (property1) {
+			contact = true;
+		} else {
+			// Specific object mode - check if second input exists
+			if (inputs.length <= 1) return;
+			
+			var object2: Object = inputs[1].get();
+			if (object2 == null) return;
+			
+			// Smart caching for second object
+			var shouldUpdateCache2 = (object2 != lastObject2) || 
+			                        (lastObject2 != null && lastObject2.traits.length != lastObject2TraitCount);
+			
+			if (shouldUpdateCache2) {
+				cachedRb2 = object2.getTrait(RigidBody);
+				lastObject2 = object2;
+				lastObject2TraitCount = object2.traits.length;
+			}
+			if (cachedRb2 == null) return;
+			
+			// Check if target object is in contact list
+			contact = rbs.indexOf(cachedRb2) >= 0;
+		}
+		
+		// Handle different contact event types
+		var shouldTrigger = false;
 		switch (property0) {
 			case "begin":
-			b = contact && !lastContact;
+				shouldTrigger = contact && !lastContact;
 			case "overlap":
-			b = contact;
+				shouldTrigger = contact;
 			case "end":
-			b = !contact && lastContact;
+				shouldTrigger = !contact && lastContact;
 		}
 		
 		lastContact = contact;
 		
-		if (b) runOutput(0);
+		if (shouldTrigger) {
+			runOutput(0);
+		}
+#end
+	}
+
+	// Keep the get method for backward compatibility, but it's not the primary interface
+	override function get(from: Int): Dynamic {
+		return lastContact;
 	}
 }

leenkx/blender/lnx/logicnode/physics/LN_has_contact.py

@@ -1,5 +1,16 @@
 from lnx.logicnode.lnx_nodes import *
 
+def toggle_second_input(self, context):
+    """Show/hide the second input socket based on the 'On Any Object' checkbox"""
+    if self.property0:  # "On Any Object" is enabled
+        # Hide the second input socket
+        if len(self.inputs) > 1:
+            self.inputs.remove(self.inputs.values()[-1])
+    else:  # "On Any Object" is disabled
+        # Show the second input socket if it doesn't exist
+        if len(self.inputs) == 1:
+            self.add_input('LnxNodeSocketObject', 'RB 2')
+
 class HasContactNode(LnxLogicTreeNode):
     """Returns whether the given rigid body has contact with another given rigid body."""
     bl_idname = 'LNHasContactNode'
@@ -7,8 +18,18 @@ class HasContactNode(LnxLogicTreeNode):
     lnx_section = 'contact'
     lnx_version = 1
 
+    property0: HaxeBoolProperty(
+        'property0',
+        name='On Any Object',
+        description='If enabled, returns true if the rigid body has contact with any object',
+        default=False,
+        update=toggle_second_input)
+
     def lnx_init(self, context):
         self.add_input('LnxNodeSocketObject', 'RB 1')
         self.add_input('LnxNodeSocketObject', 'RB 2')
 
         self.add_output('LnxBoolSocket', 'Has Contact')
+
+    def draw_buttons(self, context, layout):
+        layout.prop(self, 'property0')  # "On Any Object" checkbox

leenkx/blender/lnx/logicnode/physics/LN_on_contact.py

@@ -1,5 +1,16 @@
 from lnx.logicnode.lnx_nodes import *
 
+def toggle_second_input(self, context):
+    """Show/hide the second input socket based on the 'On Any Object' checkbox"""
+    if self.property1:  # "On Any Object" is enabled
+        # Hide the second input socket
+        if len(self.inputs) > 1:
+            self.inputs.remove(self.inputs.values()[-1])
+    else:  # "On Any Object" is disabled
+        # Show the second input socket if it doesn't exist
+        if len(self.inputs) == 1:
+            self.add_input('LnxNodeSocketObject', 'RB 2')
+
 class OnContactNode(LnxLogicTreeNode):
     """Activates the output when the rigid body make contact with
     another rigid body.
@@ -23,6 +34,13 @@ class OnContactNode(LnxLogicTreeNode):
                  ('end', 'End', 'The contact between the rigid bodies ends')],
         name='', default='begin')
 
+    property1: HaxeBoolProperty(
+        'property1',
+        name='On Any Object',
+        description='If enabled, triggers on contact with any object instead of a specific object',
+        default=False,
+        update=toggle_second_input)
+
     def lnx_init(self, context):
         self.add_input('LnxNodeSocketObject', 'RB 1')
         self.add_input('LnxNodeSocketObject', 'RB 2')
@@ -31,3 +49,4 @@ class OnContactNode(LnxLogicTreeNode):
 
     def draw_buttons(self, context, layout):
         layout.prop(self, 'property0')
+        layout.prop(self, 'property1')  # "On Any Object" checkbox