mirror of
https://github.com/photonstorm/phaser
synced 2024-12-11 22:03:09 +00:00
39 lines
No EOL
1.1 KiB
JavaScript
39 lines
No EOL
1.1 KiB
JavaScript
var game = new Phaser.Game(800, 600, Phaser.CANVAS, 'phaser-example', { preload: preload, create: create, update: update, render: render });
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function preload() {
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game.load.image('arrow', 'assets/sprites/arrow.png');
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}
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var sprite;
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var setGravityToPointXY = function(game,sprite,power, radiusLow,radiusHigh,pointX,pointY){
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var pointXY = new Phaser.Point(pointX,pointY);
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var tempDistance = Phaser.Point.distance(sprite,pointXY);
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if(tempDistance>radiusLow&&tempDistance<radiusHigh){
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var rotation = game.physics.angleBetween(sprite,pointXY);
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//console.log(" ROTATION " + rotation);
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sprite.body.gravity.y = Math.round(Math.sin(rotation)*1000)/1000 * (power);
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sprite.body.gravity.x = Math.round(Math.cos(rotation)*1000)/1000 * (power);
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}
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};
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function create() {
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game.stage.backgroundColor = '#0072bc';
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sprite = game.add.sprite(100, 100, 'arrow');
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sprite.anchor.setTo(0.5, 0.5);
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sprite.body.canSleep = false;
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}
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function update() {
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setGravityToPointXY(game,sprite,20,-0,8000,100,300);
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}
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function render() {
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game.debug.renderBodyInfo(sprite,30,32);
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} |