mirror of
https://github.com/photonstorm/phaser
synced 2024-11-30 16:39:34 +00:00
57 lines
1.2 KiB
JavaScript
57 lines
1.2 KiB
JavaScript
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Phaser.Component.Delta = function () {};
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Phaser.Component.Delta.prototype = {
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/**
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* Returns the delta x value. The difference between world.x now and in the previous step.
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*
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* @name Phaser.Sprite#deltaX
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* @property {number} deltaX - The delta value. Positive if the motion was to the right, negative if to the left.
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* @readonly
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*/
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deltaX: {
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get: function() {
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return this.world.x - this.previousPosition.x;
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}
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},
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/**
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* Returns the delta y value. The difference between world.y now and in the previous step.
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*
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* @name Phaser.Sprite#deltaY
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* @property {number} deltaY - The delta value. Positive if the motion was downwards, negative if upwards.
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* @readonly
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*/
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deltaY: {
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get: function() {
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return this.world.y - this.previousPosition.y;
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}
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},
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/**
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* Returns the delta z value. The difference between rotation now and in the previous step.
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*
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* @name Phaser.Sprite#deltaZ
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* @property {number} deltaZ - The delta value.
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* @readonly
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*/
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deltaZ: {
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get: function() {
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return this.rotation - this.previousRotation;
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}
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}
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};
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