<!DOCTYPE html> <html> <head> <script src="https://unpkg.com/konva@9.3.18/konva.min.js"></script> <meta charset="utf-8" /> <title>Konva Mobile Touch Events Demo</title> <style> body { margin: 0; padding: 0; overflow: hidden; background-color: #f0f0f0; } </style> </head>
<body> <div id="container"></div> <script> function writeMessage(message) { text.text(message); }
var stage = new Konva.Stage({ container: 'container', width: window.innerWidth, height: window.innerHeight, });
var layer = new Konva.Layer();
var triangle = new Konva.RegularPolygon({ x: 80, y: 120, sides: 3, radius: 80, fill: '#00D2FF', stroke: 'black', strokeWidth: 4, });
var text = new Konva.Text({ x: 10, y: 10, fontFamily: 'Calibri', fontSize: 24, text: '', fill: 'black', });
var circle = new Konva.Circle({ x: 230, y: 100, radius: 60, fill: 'red', stroke: 'black', strokeWidth: 4, });
triangle.on('touchmove', function () { var touchPos = stage.getPointerPosition(); var x = touchPos.x - 190; var y = touchPos.y - 40; writeMessage('x: ' + x + ', y: ' + y); });
circle.on('touchstart', function () { writeMessage('Touchstart circle'); }); circle.on('touchend', function () { writeMessage('Touchend circle'); });
layer.add(triangle); layer.add(circle); layer.add(text);
stage.add(layer); </script> </body> </html>
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