sky/examples/touch-demo.sky

#!mojo mojo:sky_viewer
<sky>
<import src="fps-counter.sky" />
<style>
dot {
    position: absolute;
    height: 100px;
    width: 100px;
    background-color: #00FF00;
}
</style>
<dot />
<log>Ready</log>
<fps-counter />
<script>
var dot = document.querySelector("dot");
var log = document.querySelector("log");

function logPointerEvent(evt) {
  var message = "type=" + event.type;
  var x = evt.x.toFixed(2);
  var y = evt.y.toFixed(2);
  message += " x=" + x + " y=" + y;

  var transform = "translate(" + (x - 50)  + "px," + (y - 50) + "px)";
  dot.style.transform = transform;
  log.textContent = message;
}

document.documentElement.addEventListener("pointerdown", logPointerEvent);
document.documentElement.addEventListener("pointermove", logPointerEvent);
document.documentElement.addEventListener("pointerup", logPointerEvent);
document.documentElement.addEventListener("pointercancel", logPointerEvent);
</script>
</sky>