<script src="/js/three.min.js"></script>

<div class="mask">
  <div class="content">
    <div class="score-container">
      <p class="title">本次得分</p>
      <h1 class="score">0</h1>
    </div>
    <button class="restart">
      重新開始
    </button>
  </div>
</div>
<div class="info">
	<audio loop="loop" autoplay controls src="https://m801.music.126.net/20220413225245/3060206bc37e3226b7f45fa1
	49b0fb2b/jdymusic/obj/wo3DlMOGwrbDjj7DisKw/13866197954/e351/984c/1f8b/f6d3165d6b04dc78ec0d3c273ce02ff2.mp3">       
	</audio>
  <div class="gaming-score">
    得分：<span class="current-score">0</span>
  </div>
</div>

let scene=new THREE.Scene();
  //創(chuàng)建一個場景

let camera=new THREE.PerspectiveCamera(75,window.innerWidth/window.innerHeight,1,1000);
  //創(chuàng)建一個透視相機(jī) 4個參數(shù)（視覺范圍，寬高比例，近距離，遠(yuǎn)距離）
  camera.position.z=10;
  camera.position.y=3;
  camera.position.x=8;
  //相機(jī)的xyz場景方向

 let geometry=new THREE.CubeGeometry(4,2,4);
  //創(chuàng)建一個幾何體對象 （寬，高，深度）
  let material=new THREE.MeshLambertMaterial({color:0xbebebe});
  //創(chuàng)建了一個可以用于立方體的材質(zhì),對象包含了顏色、透明度等屬性，
  let cube=new THREE.Mesh(geometry,material);
  //結(jié)合在一起
  cube.position.x=16;
  scene.add(cube);
  //添加到場景中

  let directionalLight=new THREE.DirectionalLight(0xffffff,1.1);
  //平行光  （顏色，強(qiáng)度)
  directionalLight.position.set(3,10,5);
  //平行光位置
  scene.add(directionalLight);
  //在場景中加入平行光
  let light=new THREE.AmbientLight(0xffffff,0.4);
  //光的材質(zhì)
  scene.add(light);
  //把光添加到場景

 let renderer=new THREE.WebGLRenderer({antialias:true});
  //創(chuàng)建一個渲染器 （讓邊緣動畫沒有鋸齒感）
  renderer.setSize(window.innerWidth,window.innerHeight);
  // 畫布寬高
  renderer.setClearColor(0x282828);
  //修改畫布顏色
  renderer.render(scene,camera);
  //渲染場景相機(jī) （后續(xù)更新也是這里）
  document.body.appendChild(renderer.domElement);
  //把當(dāng)前渲染的畫布放到body里面
  let x=8;
  function render() {
	  //遞歸
    x-=0.1;
    camera.position.x=x;
    renderer.render(scene,camera);
	//更新重新渲染
    if(x>=-8){
	//滿足當(dāng)前條件
      requestAnimationFrame(render)
	  //循環(huán)渲染
    }
  }

      _createCube() {
		let geometry = new THREE.CubeGeometry(this.config.cubeWidth, this.config.cubeHeight, this.config.cubeDeep);
		//創(chuàng)建一個幾何體對象 （寬，高，深度）
		let material = new THREE.MeshLambertMaterial({
			color: this.config.cubeColor
		});
		//材質(zhì),對象包含了顏色、透明度等屬性，
		let cube = new THREE.Mesh(geometry, material); //合并在一起
		if (this.cubes.length) {
			//從第二塊開始隨機(jī)左右方向出現(xiàn)
			cube.position.x = this.cubes[this.cubes.length - 1].position.x;
			cube.position.y = this.cubes[this.cubes.length - 1].position.y;
			cube.position.z = this.cubes[this.cubes.length - 1].position.z;
			this.cubeStat.nextDir = Math.random() > 0.5 ? "left" : "right"; //要不左邊要不右邊
			if (this.cubeStat.nextDir == "left") {
				//左邊改變x軸否則y軸
				cube.position.x = cube.position.x - Math.round(Math.random() * 4 + 6);
			} else {
				cube.position.z = cube.position.z - Math.round(Math.random() * 4 + 6);
			}
		}
		this.cubes.push(cube); //統(tǒng)一添加塊
		if (this.cubes.length > 5) {
			//頁面最多看到5個塊
			this.scene.remove(this.cubes.shift()); //超過就移除
		}
		this.scene.add(cube); //添加到場景中
		if (this.cubes.length > 1) {
			//更新鏡頭位置
			this._updateCameraPros();
		}
	};

_createJumper() {
		let geometry = new THREE.CubeGeometry(this.config.jumperWidth, this.config.jumperHeight, this.config
			.jumperDeep); // （寬，高，深度）			
		let material = new THREE.MeshLambertMaterial({
			color: this.config.jumperColor
		}); //材質(zhì),顏色、透明度
		this.jumper = new THREE.Mesh(geometry, material); //合并在一起
		this.jumper.position.y = 1; //顯示跳塊
		geometry.translate(0, 1, 0); //平移
		this.scene.add(this.jumper); //添加到場景中
	}

            this.jumperStat = {
			//鼠標(biāo)按下速度
			ready: false,
			xSpeed: 0,
			ySpeed: 0
		};

    _handleMouseDown() {
		if (!this.jumperStat.ready && this.jumper.scale.y > 0.02) {
			this.jumper.scale.y -= 0.01; //壓縮塊
			this.jumperStat.xSpeed += 0.004;
			this.jumperStat.ySpeed += 0.008;
			this._render();
			requestAnimationFrame(() => {
				this._handleMouseDown()
			})
		}
	};

//鼠標(biāo)松開談起狀態(tài)
	_handleMouseUp() {
		this.jumperStat.ready = true;
		if (this.jumper.position.y >= 1) {
			if (this.jumper.scale.y < 1) {
				this.jumper.scale.y += 0.1; //壓縮狀態(tài)小于1就+
			}
			if (this.cubeStat.nextDir == "left") {
				//挑起盒子落在哪里
				this.jumper.position.x -= this.jumperStat.xSpeed;
			} else {
				this.jumper.position.z -= this.jumperStat.xSpeed;
			}
			this.jumper.position.y += this.jumperStat.ySpeed;
			this.jumperStat.ySpeed -= 0.01; //上升落下狀態(tài)
			this._render();
			requestAnimationFrame(() => {
				//循環(huán)執(zhí)行
				this._handleMouseUp();
			})
		} else {
			//落下狀態(tài)
			this.jumperStat.ready = false;
			this.jumperStat.xSpeed = 0;
			this.jumperStat.ySpeed = 0;
			this.jumper.position.y = 1;
			this.jumper.scale.y = 1;
			this._checkInCube(); //檢測落在哪里
			if (this.falledStat.location == 1) {
				//下落后等于1，+分?jǐn)?shù)
				this.score++;
				this._createCube();
				this._updateCamera();
				if (this.successCallback) {
					//否則失敗
					this.successCallback(this.score);
				}
			} else {
				this._falling()
			}
		}
	};

                this.falledStat = {
			location: -1, //落在哪里 當(dāng)前塊塊上
			distance: 0, //距離是否倒下
		};
		this.fallingStat = {
			//有沒有落到點(diǎn)
			end: false,
			speed: 0.2
		}

//檢測落在哪里
	//-1   -10從當(dāng)前盒子掉落
	//1 下一個盒子上 10從下一個盒子上掉落
	//0沒有落在盒子上
	_checkInCube() {
		let distanceCur, distanceNext;
		//當(dāng)前盒子距離    下一個盒子距離
		let should = (this.config.jumperWidth + this.config.cubeWidth) / 2;
		//
		if (this.cubeStat.nextDir == "left") {
			//往左走了
			distanceCur = Math.abs(this.jumper.position.x - this.cubes[this.cubes.length - 2].position.x);
			distanceNext = Math.abs(this.jumper.position.x - this.cubes[this.cubes.length - 1].position.x);
		} else {
			//往右走了
			distanceCur = Math.abs(this.jumper.position.z - this.cubes[this.cubes.length - 2].position.z);
			distanceNext = Math.abs(this.jumper.position.z - this.cubes[this.cubes.length - 1].position.z);
		}
		if (distanceCur < should) {
			//落在當(dāng)前塊
			this.falledStat.distance = distanceCur;
			this.falledStat.location = distanceCur < this.config.cubeWidth / 2 ? -1 : -10;
		} else if (distanceNext < should) {
			//落在下一個塊上
			this.falledStat.distance = distanceNext;
			this.falledStat.location = distanceNext < this.config.cubeWidth / 2 ? 1 : 10;
		} else {
			//落在中間
			this.falledStat.location = 0;
		}
	};

//下落過程
	_falling() {
		if (this.falledStat.location == 10) {
			//從下一個盒子落下
			if (this.cubeStat.nextDir == "left") {
				//判斷左方向
				if (this.jumper.position.x > this.cubes[this.cubes.length - 1].position.x) {
					this._fallingRotate("leftBottom")
				} else {
					this._fallingRotate("leftTop")
				}
			} else {
				//判斷右方向
				if (this.jumper.position.z > this.cubes[this.cubes.length - 1].position.z) {
					this._fallingRotate("rightBottom")
				} else {
					this._fallingRotate("rightTop")
				}
			}
		} else if (this.falledStat.location == -10) {
			//從當(dāng)前盒子落下
			if (this.cubeStat.nextDir == "left") {
				this._fallingRotate("leftTop")
			} else {
				this._fallingRotate("rightTop")
			}
		} else if (this.falledStat.location == 0) {
			this._fallingRotate("none")
		}
	};