Leenkx_Examples/script_rigidbody_trigger/Sources/lnx/Trigger.hx

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;
		});
	}
}