| | |
| | | |
| | | constructor(dom) { |
| | | this.dom = dom; |
| | | this.fullWidth = dom.offsetWidth; |
| | | this.fullHeight = dom.offsetHeight; |
| | | |
| | | this.objects = []; |
| | | } |
| | |
| | | initLight(this.scene); |
| | | |
| | | this.animate(); |
| | | this.build(); |
| | | } |
| | | |
| | | animate = () => { |
| | |
| | | this.stats.update(); |
| | | // Rotate the scene |
| | | this.controls.update() |
| | | this.controls.autoRotateSpeed = 0.6; |
| | | this.controls.autoRotateSpeed = 2; |
| | | } |
| | | |
| | | getFullWidth = () => { |
| | | return this.dom.offsetWidth; |
| | | } |
| | | |
| | | getFullHeight = () => { |
| | | return this.dom.offsetHeight; |
| | | } |
| | | |
| | | addObject = (object) => { |
| | |
| | | } |
| | | |
| | | initCamera = () => { |
| | | const camera = new THREE.PerspectiveCamera(70, this.fullWidth / this.fullHeight, 1, 60000); |
| | | camera.position.set(200, 200, 200); |
| | | const camera = new THREE.PerspectiveCamera(70, this.getFullWidth() / this.getFullHeight(), 1, 60000); |
| | | camera.position.set(-400, 400, 400); |
| | | this.scene.add(camera); |
| | | return camera; |
| | | } |
| | |
| | | // this.renderer.toneMapping = THREE.ReinhardToneMapping; |
| | | renderer.toneMapping = THREE.ACESFilmicToneMapping; |
| | | renderer.setPixelRatio(window.devicePixelRatio); |
| | | renderer.setSize(this.fullWidth, this.fullHeight); |
| | | renderer.setSize(this.getFullWidth(), this.getFullHeight()); |
| | | this.dom.appendChild(renderer.domElement); |
| | | return renderer; |
| | | } |
| | |
| | | controls.minPolarAngle = 0; // 最小俯仰角度(向下看) |
| | | controls.maxPolarAngle = Math.PI / 2.1; // 最大俯仰角度(向上看) |
| | | controls.rotateSpeed = 0.6; // 视角移动速度减慢 |
| | | controls.autoRotate = true; // 自动旋转 |
| | | controls.autoRotate = false; // 自动旋转 |
| | | |
| | | controls.target = new THREE.Vector3(0, 0, 0) // 平替 camera的lookAt |
| | | controls.target = new THREE.Vector3(0, 250, 0) // 屏幕中心点 平替 camera的lookAt |
| | | return controls; |
| | | } |
| | | |
| | |
| | | |
| | | windowResize = () => { |
| | | this.resizeHandler = () => { |
| | | this.camera.aspect = this.fullWidth / this.fullHeight; |
| | | this.camera.aspect = this.getFullWidth() / this.getFullHeight(); |
| | | this.camera.updateProjectionMatrix(); |
| | | this.renderer.setSize(this.fullWidth, this.fullHeight); |
| | | this.renderer.setSize(this.getFullWidth(), this.getFullHeight()); |
| | | }; |
| | | window.addEventListener('resize', this.resizeHandler, false); |
| | | } |
| | |
| | | let that = this; |
| | | const raycaster = new THREE.Raycaster(); |
| | | const mouse = new THREE.Vector2(); |
| | | |
| | | this.dom.addEventListener("click", (event) => { |
| | | this.handleClick("null"); |
| | | }) |
| | | this.dom.addEventListener("dblclick", (event) => { |
| | | this.handleClickEvent = (event) => { |
| | | let x, y; |
| | | if (event.changedTouches) { |
| | | x = event.changedTouches[0].pageX; |
| | |
| | | x = event.clientX; |
| | | y = event.clientY; |
| | | } |
| | | let rect = this.dom.getBoundingClientRect(); |
| | | mouse.x = ((x - rect.left) / rect.width) * 2 - 1; |
| | | mouse.y = -((y - rect.top) / rect.height) * 2 + 1; |
| | | event.preventDefault(); |
| | | mouse.x = (x / window.innerWidth) * 2 - 1; |
| | | mouse.y = -(y / window.innerHeight) * 2 + 1; |
| | | raycaster.setFromCamera(mouse, that.camera); |
| | | let intersects = raycaster.intersectObjects(that.objects, true); |
| | | if (intersects.length === 0) { |
| | | this.handleClick("null"); |
| | | return; |
| | | } |
| | | let objName = intersects[0].object.name; |
| | | if (objName.startsWith("locNo")) { |
| | | |
| | | if (this.handleClick) { |
| | | this.handleClick(objName, x, y); |
| | | } |
| | | |
| | | } else { |
| | | this.handleClick("null"); |
| | | if (objName && this.handleClick) { |
| | | this.handleClick(objName, x, y); |
| | | } |
| | | |
| | | }, false); |
| | | } |
| | | this.dom.addEventListener("click", this.handleClickEvent, false); |
| | | } |
| | | |
| | | build = () => { |
| | | buildDemo(this.scene); |
| | | } |
| | | |
| | | handleClick = () => { |
| | | |
| | | generateMesh = (fn) => { |
| | | fn(this.addObject); |
| | | } |
| | | |
| | | destroy = () => { |
| | |
| | | this.controls.dispose(); |
| | | this.controls = null; |
| | | } |
| | | this.dom.removeEventListener("click", this.handleClickEvent); |
| | | this.camera = null; |
| | | this.objects = []; |
| | | while (this.dom?.firstChild) { |
| | |
| | | }; |
| | | |
| | | const initLight = (scene) => { |
| | | const directionalLight = new THREE.DirectionalLight(0xffffff, 0.6); // 光颜色,强度 |
| | | directionalLight.position.set(1, 1, 1).normalize(); |
| | | const directionalLight = new THREE.DirectionalLight(0xffffff, 8); |
| | | directionalLight.position.set(-300, 300, 300); |
| | | scene.add(directionalLight); |
| | | |
| | | const ambientLight = new THREE.AmbientLight(0xf0f0f0, 3); |
| | | const ambientLight = new THREE.AmbientLight(0xf0f0f0, 8); |
| | | scene.add(ambientLight); |
| | | |
| | | const spotLight = new THREE.SpotLight(0xffffff, 8); |
| | | spotLight.position.set(0, 1000, 0); |
| | | spotLight.position.set(-300, 1000, 0); |
| | | spotLight.angle = Math.PI / 4; // 角度 |
| | | spotLight.distance = 1500; // 距离 |
| | | spotLight.distance = 800; // 距离 |
| | | spotLight.decay = 0; // 光衰 |
| | | // 光照阴影及其生效范围 |
| | | spotLight.castShadow = true; |
| | |
| | | if (help) { |
| | | scene.add(new THREE.SpotLightHelper(spotLight)); |
| | | } |
| | | } |
| | | |
| | | const buildDemo = (scene) => { |
| | | const boxGeometry = new THREE.BoxGeometry(100, 100, 100); |
| | | const boxMaterial = new THREE.MeshBasicMaterial({ color: 0x40739e }); |
| | | const boxMesh = new THREE.Mesh(boxGeometry, boxMaterial); |
| | | boxMesh.position.set(0, 0, 0); |
| | | scene.add(boxMesh) |
| | | return boxMesh; |
| | | } |