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1d1a927628
* chore: remove alias comments * chore: format * chore: remove extra newlines * chore: fix bad replaces
57 lines
1.5 KiB
TypeScript
57 lines
1.5 KiB
TypeScript
/**
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* @license
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* Copyright 2019 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* Utility methods for rectangle manipulation.
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* These methods are not specific to Blockly, and could be factored out into
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* a JavaScript framework such as Closure.
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*
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* @class
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*/
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import * as goog from '../../closure/goog/goog.js';
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goog.declareModuleId('Blockly.utils.Rect');
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/**
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* Class for representing rectangular regions.
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*/
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export class Rect {
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/**
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* @param top Top.
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* @param bottom Bottom.
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* @param left Left.
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* @param right Right.
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*/
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constructor(
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public top: number, public bottom: number, public left: number,
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public right: number) {}
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/**
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* Tests whether this rectangle contains a x/y coordinate.
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*
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* @param x The x coordinate to test for containment.
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* @param y The y coordinate to test for containment.
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* @returns Whether this rectangle contains given coordinate.
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*/
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contains(x: number, y: number): boolean {
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return x >= this.left && x <= this.right && y >= this.top &&
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y <= this.bottom;
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}
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/**
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* Tests whether this rectangle intersects the provided rectangle.
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* Assumes that the coordinate system increases going down and left.
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*
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* @param other The other rectangle to check for intersection with.
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* @returns Whether this rectangle intersects the provided rectangle.
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*/
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intersects(other: Rect): boolean {
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return !(
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this.left > other.right || this.right < other.left ||
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this.top > other.bottom || this.bottom < other.top);
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}
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}
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