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.
* @memberof PIXI
*/
export class RoundedRectangle
{
/** @default 0 */
public x: number;
/** @default 0 */
public y: number;
/** @default 0 */
public width: number;
/** @default 0 */
public height: number;
/** @default 20 */
public radius: number;
/**
* The type of the object, mainly used to avoid `instanceof` checks
* @default PIXI.SHAPES.RREC
* @see PIXI.SHAPES
*/
public readonly type: SHAPES.RREC;
/**
* @param x - The X coordinate of the upper-left corner of the rounded rectangle
* @param y - The Y coordinate of the upper-left corner of the rounded rectangle
* @param width - The overall width of this rounded rectangle
* @param height - The overall height of this rounded rectangle
* @param radius - Controls the radius of the rounded corners
*/
constructor(x = 0, y = 0, width = 0, height = 0, radius = 20)
{
this.x = x;
this.y = y;
this.width = width;
this.height = height;
this.radius = radius;
this.type = SHAPES.RREC;
}
/**
* Creates a clone of this Rounded Rectangle.
* @returns - A copy of the rounded rectangle.
*/
clone(): RoundedRectangle
{
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 x - The X coordinate of the point to test.
* @param y - The Y coordinate of the point to test.
* @returns - Whether the x/y coordinates are within this Rounded Rectangle.
*/
contains(x: number, y: number): boolean
{
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)
{
const radius = Math.max(0, Math.min(this.radius, Math.min(this.width, this.height) / 2));
if ((y >= this.y + radius && y <= this.y + this.height - radius)
|| (x >= this.x + radius && x <= this.x + this.width - radius))
{
return true;
}
let dx = x - (this.x + radius);
let dy = y - (this.y + radius);
const radius2 = radius * radius;
if ((dx * dx) + (dy * dy) <= radius2)
{
return true;
}
dx = x - (this.x + this.width - radius);
if ((dx * dx) + (dy * dy) <= radius2)
{
return true;
}
dy = y - (this.y + this.height - radius);
if ((dx * dx) + (dy * dy) <= radius2)
{
return true;
}
dx = x - (this.x + radius);
if ((dx * dx) + (dy * dy) <= radius2)
{
return true;
}
}
}
return false;
}
// #if _DEBUG
toString(): string
{
return `[@pixi/math:RoundedRectangle x=${this.x} y=${this.y}`
+ `width=${this.width} height=${this.height} radius=${this.radius}]`;
}
// #endif
}