pixi.js/lib/math-extras/rectangleExtras.js

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'use strict';

var Rectangle = require('../maths/shapes/Rectangle.js');

"use strict";
const rectangleExtraMixins = {
  containsRect(other) {
    if (other.width <= 0 || other.height <= 0) {
      return other.x > this.x && other.y > this.y && other.right < this.right && other.bottom < this.bottom;
    }
    return other.x >= this.x && other.y >= this.y && other.right <= this.right && other.bottom <= this.bottom;
  },
  equals(other) {
    if (other === this) {
      return true;
    }
    return other && this.x === other.x && this.y === other.y && this.width === other.width && this.height === other.height;
  },
  intersection(other, outRect) {
    if (!outRect) {
      outRect = new Rectangle.Rectangle();
    }
    const x0 = this.x < other.x ? other.x : this.x;
    const x1 = this.right > other.right ? other.right : this.right;
    if (x1 <= x0) {
      outRect.x = outRect.y = outRect.width = outRect.height = 0;
      return outRect;
    }
    const y0 = this.y < other.y ? other.y : this.y;
    const y1 = this.bottom > other.bottom ? other.bottom : this.bottom;
    if (y1 <= y0) {
      outRect.x = outRect.y = outRect.width = outRect.height = 0;
      return outRect;
    }
    outRect.x = x0;
    outRect.y = y0;
    outRect.width = x1 - x0;
    outRect.height = y1 - y0;
    return outRect;
  },
  union(other, outRect) {
    if (!outRect) {
      outRect = new Rectangle.Rectangle();
    }
    const x1 = Math.min(this.x, other.x);
    const x2 = Math.max(this.x + this.width, other.x + other.width);
    const y1 = Math.min(this.y, other.y);
    const y2 = Math.max(this.y + this.height, other.y + other.height);
    outRect.x = x1;
    outRect.y = y1;
    outRect.width = x2 - x1;
    outRect.height = y2 - y1;
    return outRect;
  }
};

exports.rectangleExtraMixins = rectangleExtraMixins;
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