115 lines
2.1 KiB
JavaScript
115 lines
2.1 KiB
JavaScript
"use strict";
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import Vector from './Vector';
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/**
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* Represents a rectangle in 2D space.
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*/
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class Rectangle
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{
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/**
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* The top-left corner of the rectangle.
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* @returns {Vector}
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*/
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get TopLeft() {
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return new Vector(this.x, this.y);
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}
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/**
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* The top-right corner of the rectangle.
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* @returns {Vector}
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*/
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get TopRight() {
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return new Vector(this.x + this.width, this.y);
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}
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/**
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* The bottom-left corner of the rectangle.
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* @returns {Vector}
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*/
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get BottomLeft() {
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return new Vector(this.x, this.y + this.height);
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}
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/**
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* The bottom-right corner of the rectangle.
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*/
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get BottomRight() {
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return new Vector(this.x + this.width, this.y + this.height);
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}
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/**
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* The Y coordinate of the top of the rectangle.
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* @returns {Number}
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*/
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get Top() {
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return this.y;
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}
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/**
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* The Y coordinate of the bottom of the rectangle.
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* @returns {Number}
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*/
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get Bottom() {
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return this.y + this.height;
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}
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/**
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* The X coordinate of the left side of the rectangle.
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* @returns {Number}
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*/
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get Left() {
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return this.x;
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}
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/**
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* The X coordinate of the right side of the rectangle.
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* @returns {Number}
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*/
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get Right() {
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return this.x + this.width;
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}
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constructor(x, y, width, height)
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{
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this.x = x;
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this.y = y;
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this.width = width;
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this.height = height;
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}
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/**
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* Figures out whether this rectangle overlaps another rectangle.
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* @param {Rectangle} otherRectangle The other rectangle to check the overlap of.
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* @return {bool} Whether this rectangle overlaps another rectangle.
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*/
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overlaps(otherRectangle)
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{
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if(this.Top > otherRectangle.Bottom ||
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this.Bottom < otherRectangle.Top ||
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this.Left > otherRectangle.Right ||
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this.Right < otherRectangle.Left)
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return false;
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return true;
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}
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/**
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* Returns a copy of this rectangle that can be safely edited without affecting the original.
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* @returns {Rectangle}
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*/
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clone()
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{
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return new Rectangle(this.x, this.y, this.width, this.height);
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}
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}
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/**
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* A rectangle with all it's values initalised to zero.
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* Don't forget to clone it before editing!
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* @type {Rectangle}
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*/
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Rectangle.Zero = new Rectangle(0, 0, 0, 0);
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export default Rectangle;
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