import { SHAPES } from '../../const';
/**
* The Rounded Rectangle object is an area that has nice rounded corners, as indicated by its top-left corner point (x, y) and by its width and its height and its radius.
*
* @class
* @memberof Tiny
*/
export default class RoundedRectangle {
/**
* @param {number} [x=0] - The X coordinate of the upper-left corner of the rounded rectangle
* @param {number} [y=0] - The Y coordinate of the upper-left corner of the rounded rectangle
* @param {number} [width=0] - The overall width of this rounded rectangle
* @param {number} [height=0] - The overall height of this rounded rectangle
* @param {number} [radius=20] - Controls the radius of the rounded corners
*/
constructor(x = 0, y = 0, width = 0, height = 0, radius = 20) {
/**
* @member {number}
* @default 0
*/
this.x = x;
/**
* @member {number}
* @default 0
*/
this.y = y;
/**
* @member {number}
* @default 0
*/
this.width = width;
/**
* @member {number}
* @default 0
*/
this.height = height;
/**
* @member {number}
* @default 20
*/
this.radius = radius;
/**
* The type of the object, mainly used to avoid `instanceof` checks
*
* @member {number}
* @readonly
* @default Tiny.SHAPES.RREC
* @see Tiny.SHAPES
*/
this.type = SHAPES.RREC;
}
/**
* Creates a clone of this Rounded Rectangle
*
* @return {Tiny.RoundedRectangle} a copy of the rounded rectangle
*/
clone() {
return new RoundedRectangle(this.x, this.y, this.width, this.height, this.radius);
}
/**
* Checks whether the x and y coordinates given are contained within this Rounded Rectangle
*
* @param {number} x - The X coordinate of the point to test
* @param {number} y - The Y coordinate of the point to test
* @return {boolean} Whether the x/y coordinates are within this Rounded Rectangle
*/
contains(x, y) {
if (this.width <= 0 || this.height <= 0) {
return false;
}
if (x >= this.x && x <= this.x + this.width) {
if (y >= this.y && y <= this.y + this.height) {
if ((y >= this.y + this.radius && y <= this.y + this.height - this.radius) || (x >= this.x + this.radius && x <= this.x + this.width - this.radius)) {
return true;
}
let dx = x - (this.x + this.radius);
let dy = y - (this.y + this.radius);
const radius2 = this.radius * this.radius;
if ((dx * dx) + (dy * dy) <= radius2) {
return true;
}
dx = x - (this.x + this.width - this.radius);
if ((dx * dx) + (dy * dy) <= radius2) {
return true;
}
dy = y - (this.y + this.height - this.radius);
if ((dx * dx) + (dy * dy) <= radius2) {
return true;
}
dx = x - (this.x + this.radius);
if ((dx * dx) + (dy * dy) <= radius2) {
return true;
}
}
}
return false;
}
}