@awayjs/scene/lib/prefabs/PrimitivePolygonPrefab.ts

AwayJS scene classes

import { IMaterial } from '@awayjs/renderer';

import { PrimitiveCylinderPrefab } from '../prefabs/PrimitiveCylinderPrefab';

/**
 * A UV RegularPolygon primitive sprite.
 */
export class PrimitivePolygonPrefab extends PrimitiveCylinderPrefab {

	/**
	 * The radius of the regular polygon.
	 */
	public get radius(): number {
		return this._pBottomRadius;
	}

	public set radius(value: number) {
		this._pBottomRadius = value;
		this._pInvalidatePrimitive();
	}

	/**
	 * The number of sides of the regular polygon.
	 */
	public get sides(): number {
		return this._pSegmentsW;
	}

	public set sides(value: number) {
		this.setSegmentsW(value);
	}

	/**
	 * The number of subdivisions from the edge to the center of the regular polygon.
	 */
	public get subdivisions(): number {
		return this._pSegmentsH;
	}

	public set subdivisions(value: number) {
		this.setSegmentsH(value);
	}

	/**
	 * Creates a new RegularPolygon disc object.
	 * @param radius The radius of the regular polygon
	 * @param sides Defines the number of sides of the regular polygon.
	 * @param yUp Defines whether the regular polygon should lay on the Y-axis (true) or on the Z-axis (false).
	 */
	constructor(material: IMaterial = null, elementsType: string = 'triangle',
		radius: number = 100, sides: number = 16, yUp: boolean = true) {
		super(material, elementsType, radius, 0, 0, sides, 1, true, false, false, yUp);
	}
}