awv3/core/hud.js

⚡ AWV3 embedded CAD

import * as THREE from 'three';

/** A heads up display that renders a separate scene. */
export default class Hud {
    constructor(view) {
        this.enabled = true;
        this.view = view;
        this.renderer = view.renderer;
        this.scene = new THREE.Scene();
        this.scene.canvas = view.canvas;
        this.scene.view = view;
        this.camera = undefined;
        this.controls = undefined;

        this.ambient = new THREE.AmbientLight(view.options.ambientColor ? view.options.ambientColor : 0xffffff);
        this.ambient.intensity = typeof view.options.ambientIntensity !== 'undefined'
            ? view.options.ambientIntensity
            : 1.0;
        this.ambient.keep = true;
        this.ambient.view = this;
        this.scene.add(this.ambient);
    }

    onMouseWheel(state) {
        this.enabled && this.controls && this.controls != this.view.controls && this.controls.onMouseWheel(state);
    }
    onMouseMove(state) {
        this.enabled && this.controls && this.controls != this.view.controls && this.controls.onMouseMove(state);
    }
    onMouseDown(state) {
        this.enabled && this.controls && this.controls != this.view.controls && this.controls.onMouseDown(state);
    }
    onMouseUp(state) {
        this.enabled && this.controls && this.controls != this.view.controls && this.controls.onMouseUp(state);
    }
    onTouchStart(state) {
        this.enabled && this.controls && this.controls != this.view.controls && this.controls.onTouchStart(state);
    }
    onTouchMove(state) {
        this.enabled && this.controls && this.controls != this.view.controls && this.controls.onTouchMove(state);
    }
    onTouchEnd(state) {
        this.enabled && this.controls && this.controls != this.view.controls && this.controls.onTouchEnd(state);
    }
    update(time) {
        this.enabled && this.controls && this.controls != this.view.controls && this.controls.update(time);
    }
    calibrate(width, height) {
        if (this.enabled && this.camera && this.camera != this.view.camera) {
            this.camera.aspect = this.view.camera.aspect;
            this.camera.updateProjectionMatrix();
            this.camera.radius = (width + height) / 4;
        }
    }
    render() {
        this.enabled &&
            this.renderer.gl.render(this.scene, (this.camera && this.camera.display) || this.view.camera.display);
    }
    destroy() {
        this.view = undefined;
        this.renderer = undefined;
        this.scene.destroy({ keep: false });
        this.scene.canvas = undefined;
        this.scene.view = undefined;
        this.scene = undefined;
        this.camera = undefined;
        this.controls = undefined;
        this.ambient = undefined;
    }

    get inMotion() {
        return this.enabled && this.controls && this.controls.inMotion;
    }
}