AlexAegis/loreplotter

import { Basic } from '@lore/engine/object/basic.class';
import { Globe } from '@lore/engine/object/globe.class';
import { AdditiveBlending, MeshBasicMaterial, SphereBufferGeometry } from 'three';

export class IndicatorSphere extends Basic {
    /**
     * TODO nudge the position in the direction of the actor by the displacement value
     *
     * @param name of the object
     * @param globe Globe
     */
    public constructor(public name: string, private globe: Globe) {
        super(undefined, undefined);
        this.rotateX(Math.PI / 2);

        this.geometry = new SphereBufferGeometry(1, 64, 64, 0, Math.PI * 2, 0, Math.PI * 0.5);

        this.material = new MeshBasicMaterial({
            color: '#ff7c38',
            opacity: 0.1,
            transparent: true,
            blending: AdditiveBlending,
            reflectivity: 0,
            depthTest: false
        });

        this.doHide();
        this.castShadow = false;
    }

    public doShow(): void {
        this.visible = true;
    }

    public doHide(): void {
        this.visible = false;
    }

    /**
     * 1 PI theta length is the full sphere.
     * @param km target
     */
    public setTargetRadius(km: number): void {
        this.setTargetRadian(km / this.globe.radius);
    }

    public setTargetRadian(radian: number): void {
        this.geometry = new SphereBufferGeometry(1, 64, 64, 0, Math.PI * 2, 0, Math.min(radian, Math.PI));
    }
}