import type { Graphics } from '@pixi/graphics';
/**
* Draw a regular polygon where all sides are the same length.
*
* _Note: Only available with **@pixi/graphics-extras**._
* @method PIXI.Graphics#drawRegularPolygon
* @param this
* @param {number} x - X position
* @param {number} y - Y position
* @param {number} radius - Polygon radius
* @param {number} sides - Minimum value is 3
* @param {number} rotation - Starting rotation values in radians..
* @returns {PIXI.Graphics} This Graphics object. Good for chaining method calls
*/
export function drawRegularPolygon(this: Graphics,
x: number,
y: number,
radius: number,
sides: number,
rotation = 0): Graphics
{
sides = Math.max(sides | 0, 3);
const startAngle = (-1 * Math.PI / 2) + rotation;
const delta = (Math.PI * 2) / sides;
const polygon = [];
for (let i = 0; i < sides; i++)
{
const angle = (i * delta) + startAngle;
polygon.push(
x + (radius * Math.cos(angle)),
y + (radius * Math.sin(angle))
);
}
return this.drawPolygon(polygon);
}