mirror of
https://github.com/google/blockly.git
synced 2026-01-09 18:10:08 +01:00
1647a3299a
* fix: Move @alias onto classes instead of constructors * fix: Fix JSDoc for constructors.
76 lines
1.9 KiB
JavaScript
76 lines
1.9 KiB
JavaScript
/**
|
|
* @license
|
|
* Copyright 2019 Google LLC
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
/**
|
|
* @fileoverview Utility methods for rectangle manipulation.
|
|
* These methods are not specific to Blockly, and could be factored out into
|
|
* a JavaScript framework such as Closure.
|
|
*/
|
|
'use strict';
|
|
|
|
/**
|
|
* Utility methods for rectangle manipulation.
|
|
* These methods are not specific to Blockly, and could be factored out into
|
|
* a JavaScript framework such as Closure.
|
|
* @class
|
|
*/
|
|
goog.module('Blockly.utils.Rect');
|
|
|
|
|
|
/**
|
|
* Class for representing rectangular regions.
|
|
* @alias Blockly.utils.Rect
|
|
*/
|
|
const Rect = class {
|
|
/**
|
|
* @param {number} top Top.
|
|
* @param {number} bottom Bottom.
|
|
* @param {number} left Left.
|
|
* @param {number} right Right.
|
|
* @struct
|
|
*/
|
|
constructor(top, bottom, left, right) {
|
|
/** @type {number} */
|
|
this.top = top;
|
|
|
|
/** @type {number} */
|
|
this.bottom = bottom;
|
|
|
|
/** @type {number} */
|
|
this.left = left;
|
|
|
|
/** @type {number} */
|
|
this.right = right;
|
|
}
|
|
|
|
/**
|
|
* Tests whether this rectangle contains a x/y coordinate.
|
|
*
|
|
* @param {number} x The x coordinate to test for containment.
|
|
* @param {number} y The y coordinate to test for containment.
|
|
* @return {boolean} Whether this rectangle contains given coordinate.
|
|
*/
|
|
contains(x, y) {
|
|
return x >= this.left && x <= this.right && y >= this.top &&
|
|
y <= this.bottom;
|
|
}
|
|
|
|
/**
|
|
* Tests whether this rectangle intersects the provided rectangle.
|
|
* Assumes that the coordinate system increases going down and left.
|
|
* @param {!Rect} other The other rectangle to check for
|
|
* intersection with.
|
|
* @return {boolean} Whether this rectangle intersects the provided rectangle.
|
|
*/
|
|
intersects(other) {
|
|
return !(
|
|
this.left > other.right || this.right < other.left ||
|
|
this.top > other.bottom || this.bottom < other.top);
|
|
}
|
|
};
|
|
|
|
exports.Rect = Rect;
|