Press n or j to go to the next uncovered block, b, p or k for the previous block.
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AmbientLight, AxesHelper, BoxHelper, Color, DirectionalLight, Group, Mesh, PerspectiveCamera, Scene, Vector3, WebGLRenderer } from "three" import { ViewCubemeshGenerator } from "./viewCube.meshGenerator" import { ThreeMapControlsService } from "../codeMap/threeViewer/threeMapControls.service" import { ViewCubeMouseEventsService } from "./viewCube.mouseEvents.service" import { Component, ElementRef, OnInit } from "@angular/core" import { CenterMapButtonComponent } from "./centerMapButton/centerMapButton.component" import { ZoomSliderComponent } from "./zoomSlider/zoomSlider.component" @Component({ selector: "cc-view-cube", templateUrl: "./viewCube.component.html", styleUrls: ["./viewCube.component.scss"], standalone: true, imports: [CenterMapButtonComponent, ZoomSliderComponent] }) export class ViewCubeComponent implements OnInit { private lights: Group private cubeGroup: Group private camera: PerspectiveCamera private renderer: WebGLRenderer private scene: Scene private WIDTH = 200 private HEIGHT = 200 private LENGTH_VIEWCUBE = 1 private hoverInfo = { cube: null, originalMaterial: null } private cubeDefinition = { top: null, sides: null } constructor( private elementReference: ElementRef, private threeMapControlsService: ThreeMapControlsService, private viewCubeMouseEvents: ViewCubeMouseEventsService ) {} ngOnInit() { this.initScene() this.initLights() this.initRenderer(this.elementReference.nativeElement) this.initCube() this.initAxesHelper() this.initCamera() this.viewCubeMouseEvents.init(this.cubeGroup, this.camera, this.renderer) this.threeMapControlsService.subscribe("onCameraChanged", this.onCameraChanged) this.viewCubeMouseEvents.subscribe("viewCubeHoveredEvent", this.onCubeHovered) this.viewCubeMouseEvents.subscribe("viewCubeUnHoveredEvent", this.onCubeUnhovered) this.viewCubeMouseEvents.subscribe("viewCubeClicked", this.onCubeClicked) } private initAxesHelper() { const axesHelper = new AxesHelper(1.3) const centerOffset = -(this.LENGTH_VIEWCUBE / 2) + 0.01 axesHelper.position.x += centerOffset axesHelper.position.y += centerOffset axesHelper.position.z += centerOffset this.scene.add(axesHelper) } private initCube() { const { group, top, sides } = ViewCubemeshGenerator.buildCube(1.9) this.cubeGroup = group this.cubeDefinition.top = top this.cubeDefinition.sides = sides const cubeBoundingBox = new BoxHelper(this.cubeGroup, new Color(0x00_00_00)) this.scene.add(this.cubeGroup) this.scene.add(cubeBoundingBox) } onCameraChanged = (data: { camera: PerspectiveCamera }) => { const newCameraPosition = this.calculateCameraPosition(data.camera) this.setCameraPosition(newCameraPosition) this.renderer.render(this.scene, this.camera) } private setCameraPosition(cameraPosition: Vector3) { this.camera.position.set(cameraPosition.x, cameraPosition.y, cameraPosition.z) this.camera.lookAt(0, 0, 0) this.camera.updateProjectionMatrix() } private calculateCameraPosition(camera: PerspectiveCamera) { const codeMapTargetVector = this.threeMapControlsService.controls.target.clone() const codeMapCameraPosition = camera.position.clone() return codeMapCameraPosition.sub(codeMapTargetVector).normalize().multiplyScalar(3) } private initScene() { this.scene = new Scene() } private initRenderer(element: HTMLElement) { this.renderer = new WebGLRenderer({ alpha: true, antialias: true }) this.renderer.setSize(this.WIDTH, this.HEIGHT) this.renderer.setPixelRatio(window.devicePixelRatio) // geometry is low poly, no noticeable performance hit even with higher device pixel ratio element.appendChild(this.renderer.domElement) } private initCamera() { this.camera = new PerspectiveCamera(45, this.WIDTH / this.HEIGHT, 0.1, 1000) this.camera.position.z = 4 } onCubeHovered = (data: { cube: Mesh }) => { this.hoverInfo = { cube: data.cube, originalMaterial: data.cube.material } this.hoverInfo.cube.material.emissive = new Color(0xff_ff_ff) this.renderer.render(this.scene, this.camera) } onCubeUnhovered = () => { this.hoverInfo.cube.material.emissive = new Color(0x00_00_00) //? NOTE why is this needed this.hoverInfo.cube = null this.renderer.render(this.scene, this.camera) } onCubeClicked = (data: { cube: Mesh }) => { switch (data.cube) { case this.cubeDefinition.top.front.left: this.threeMapControlsService.rotateCameraInVectorDirection(1, -1, 1) break case this.cubeDefinition.top.front.center: this.threeMapControlsService.rotateCameraInVectorDirection(0, -1, 1) break case this.cubeDefinition.top.front.right: this.threeMapControlsService.rotateCameraInVectorDirection(-1, -1, 1) break case this.cubeDefinition.top.middle.left: this.threeMapControlsService.rotateCameraInVectorDirection(1, -1, 0) break case this.cubeDefinition.top.middle.center: this.threeMapControlsService.rotateCameraInVectorDirection(0, -1, 0) break case this.cubeDefinition.top.middle.right: this.threeMapControlsService.rotateCameraInVectorDirection(-1, -1, 0) break case this.cubeDefinition.top.back.left: this.threeMapControlsService.rotateCameraInVectorDirection(1, -1, -1) break case this.cubeDefinition.top.back.center: this.threeMapControlsService.rotateCameraInVectorDirection(0, -1, -1) break case this.cubeDefinition.top.back.right: this.threeMapControlsService.rotateCameraInVectorDirection(-1, -1, -1) break case this.cubeDefinition.sides.front.left: this.threeMapControlsService.rotateCameraInVectorDirection(1, 0, -1) break case this.cubeDefinition.sides.front.center: this.threeMapControlsService.rotateCameraInVectorDirection(0, 0, 0) break case this.cubeDefinition.sides.front.right: this.threeMapControlsService.rotateCameraInVectorDirection(-1, 0, -1) break case this.cubeDefinition.sides.middle.left: this.threeMapControlsService.rotateCameraInVectorDirection(1, 0, 0) break case this.cubeDefinition.sides.middle.right: this.threeMapControlsService.rotateCameraInVectorDirection(-1, 0, 0) break case this.cubeDefinition.sides.back.left: this.threeMapControlsService.rotateCameraInVectorDirection(1, 0, 1) break case this.cubeDefinition.sides.back.center: this.threeMapControlsService.rotateCameraInVectorDirection(0, 0, 1) break case this.cubeDefinition.sides.back.right: this.threeMapControlsService.rotateCameraInVectorDirection(-1, 0, 1) break } } private initLights() { this.lights = new Group() const ambilight = new AmbientLight(0x70_70_70, 2.8) // soft white light const light1 = new DirectionalLight(0xe0_e0_e0, 1.8) light1.position.set(50, 10, 8).normalize() const light2 = new DirectionalLight(0xe0_e0_e0, 1.8) light2.position.set(-50, 10, -8).normalize() this.lights.add(ambilight) this.lights.add(light1) this.lights.add(light2) this.scene.add(this.lights) } } |