Touch Trackball Control

Question

I try to make touch control. And i whant to make it in TrackballControls.js, so i make it like this:

this.domElement.addEventListener( 'touchmove', touchmove, false );
this.domElement.addEventListener( 'touchstart', touchstart, false );
this.domElement.addEventListener( 'touchend', mouseup, false );

function touchstart( event ) {
    if (event.touches.length != 1) return;

    var touch = event.touches[0];
    event['clientX'] = touch.clientX;
    event['clientY'] = touch.clientY;
    event['button'] = 0;
    userLog('touchstart');
    mousedown( event ); 
}
function touchmove( event ) {
    if (event.touches.length != 1) return;

    var touch = event.touches[0];
    event['clientX'] = touch.clientX;
    event['clientY'] = touch.clientY;

    mousemove( event ); 
}

And i have come to bat with the work spase. Page is divided into several areas. Canvas init in "Working Area" But after than on ipad any touch treated as touch in "Working Area". If it will be usefull i can post init() function, or anything else

Answer 1

controls = new THREE.TrackballControls( camera, renderer.domElement );

renderer.domElement - working area, which you need