问matter.js鼠标单击正文

EN

 // create two boxes and a ground
 var boxA = Bodies.rectangle(400, 200, 80, 80);
 var boxB = Bodies.rectangle(450, 50, 80, 80);
 var ground = Bodies.rectangle(400, 610, 810, 60, { isStatic: true });

 // add all of the bodies to the world
 World.add(engine.world, [boxA, boxB, ground]);
Events.on(engine, 'tick', function(event) {
    if(mouseConstraint.mouse.button == 0){
            alert("what is clicked?");
        }
    });