extjs-gpl/build/examples/kitchensink/classic/samples/view/draw/SpriteEventsController.js

GPL licensed version of Sencha Ext JS

Ext.define('KitchenSink.view.draw.SpriteEventsController', {
    extend: 'Ext.app.ViewController',
    alias: 'controller.sprite-events',

    onSpriteClick: function (item, event) {
        var sprite = item && item.sprite,
            color = Ext.util.Color.create(
                Math.random() * 255,
                Math.random() * 255,
                Math.random() * 255
            );

        if (sprite) {
            if (sprite.type === 'image') {
                sprite.setAttributes({
                    rotationRads: sprite.attr.rotationRads + Math.PI / 4
                });
            } else {
                sprite.setAttributes({
                    fillStyle: color,
                    strokeStyle: color
                });
            }
            sprite.getSurface().renderFrame();
        }
    }

});