/**
* Draw a regular polygon where all sides are the same length.
*
* _Note: Only available with **@pixi/graphics-extras**._
*
* @method PIXI.Graphics#drawRegularPolygon
* @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..
* @return {PIXI.Graphics}
*/
export function drawRegularPolygon(x, y, radius, sides, rotation = 0) {
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);
}