--- title: "Collision Operator" url: "https://help.maxon.net/c4d/en-us/Content/html/GVCOLLISION.html" section_path: "XPresso > XPresso Nodes > General > Collision Operator" element_id: "GVCOLLISION" description: "This node is able to detect collisions. Connect the two objects that you want to check for collisions to the Object 1 and Object 2 input ports. These …" --- # Collision Operator ![Image: 004659.jpg](https://help.maxon.net/c4d/en-us/Content/Resources/Images/004659.jpg) This node is able to detect collisions. Connect the two objects that you want to check for collisions to the Object 1 and Object 2 input ports. These objects must be polygon objects. If you want to use the node with a primitive object, you must first make the primitive editable.