mirror of
https://github.com/photonstorm/phaser
synced 2024-12-18 09:03:29 +00:00
120 lines
2.1 KiB
JavaScript
120 lines
2.1 KiB
JavaScript
/**
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* @author Richard Davey <rich@photonstorm.com>
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* @copyright 2015 Photon Storm Ltd.
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* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
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*/
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/**
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* The Bounds component contains properties related to the bounds of the Game Object.
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*
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* @class
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*/
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Phaser.Component.Bounds = function () {};
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Phaser.Component.Bounds.prototype = {
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/**
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* The amount the Game Object is visually offset from its x coordinate.
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* This is the same as `width * anchor.x`.
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* It will only be > 0 if anchor.x is not equal to zero.
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*
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* @property {number} offsetX
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* @readOnly
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*/
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offsetX: {
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get: function () {
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return this.anchor.x * this.width;
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}
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},
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/**
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* The amount the Game Object is visually offset from its y coordinate.
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* This is the same as `height * anchor.y`.
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* It will only be > 0 if anchor.y is not equal to zero.
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*
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* @property {number} offsetY
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* @readOnly
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*/
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offsetY: {
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get: function () {
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return this.anchor.y * this.height;
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}
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},
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/**
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* The left coordinate of the Game Object.
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* This is the same as `x - offsetX`.
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*
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* @property {number} left
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* @readOnly
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*/
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left: {
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get: function () {
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return this.x - this.offsetX;
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}
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},
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/**
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* The right coordinate of the Game Object.
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* This is the same as `x + width - offsetX`.
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*
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* @property {number} right
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* @readOnly
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*/
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right: {
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get: function () {
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return (this.x + this.width) - this.offsetX;
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}
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},
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/**
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* The y coordinate of the Game Object.
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* This is the same as `y - offsetY`.
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*
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* @property {number} top
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* @readOnly
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*/
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top: {
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get: function () {
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return this.y - this.offsetY;
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}
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},
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/**
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* The sum of the y and height properties.
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* This is the same as `y + height - offsetY`.
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*
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* @property {number} bottom
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* @readOnly
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*/
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bottom: {
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get: function () {
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return (this.y + this.height) - this.offsetY;
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}
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}
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};
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