hsiao
/
three-demo
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Merge branch 'navigator' of hsiao/three-demo into master

肖中正 5 år sedan
förälder
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incheckning
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51 ändrade filer med 3201 tillägg och 447 borttagningar
Delad Vy Visa Diff Statistik
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  49. 106
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  50. 78
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      src/navigator.ts

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public/index.html Visa fil 

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6 6 
     <style>
7 7 
         body{
8 8 
             margin: 0;
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+            cursor: pointer;
10 
+        }
11 
+        .mask {
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+            position: fixed;
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+            background-color: rgba(0, 0, 0, 0.6);
14 
+            top:0;
15 
+            left:0;
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+            width: 100%;
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+            height: 100%;
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+        }
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+        .mask h1{
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+            margin-top: 100px;
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+            font-size: 26px;
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+            text-align: center;
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+            line-height: 100px;
24 
+            color: #ffffff;
9 25 
         }
10 26 
     </style>
11 27
12 28 
 </head>
13 29 
 <body>
30 
+    <div class="mask" id="mask">
31 
+        <h1>点击鼠标开始，ESC键退出</h1>
32 
+    </div>
14 33 
 </body>

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1 
+{
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+	"metadata": {
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+		"version": 4.5,
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+		"type": "Object",
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+		"generator": "Object3D.toJSON"
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+	},
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+	"geometries": [
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+		{
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+			"uuid": "7A6FECB8-F13F-4A7D-A536-F5965EA50825",
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+			"type": "TorusBufferGeometry",
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+			"arc": 6.283185
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+		}],
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+	"materials": [
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+		{
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+			"uuid": "8ABC72E1-6354-44F6-AA61-F68253ED93DE",
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+			"type": "MeshStandardMaterial",
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+			"color": 16777215,
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+			"roughness": 0.5,
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+			"metalness": 0.5,
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+			"depthFunc": 3,
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+			"depthTest": true,
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+			"depthWrite": true,
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+			"stencilWriteMask": 255,
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+			"stencilFunc": 519,
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+			"stencilFail": 7680,
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+			"stencilZFail": 7680,
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+			"stencilZPass": 7680
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+		}],
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+	"object": {
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+		"uuid": "7C61FBE2-0D96-493A-AD3F-BF6EA21C4305",
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+		"type": "Mesh",
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+		"name": "abc",
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+		"layers": 1,
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+		"matrix": [1,0,0,0,0,1,0,0,0,0,1,0,0,0,-1.862864,1],
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+		"geometry": "7A6FECB8-F13F-4A7D-A536-F5965EA50825",
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+		"material": "8ABC72E1-6354-44F6-AA61-F68253ED93DE"
45 
+	}
46 
+}

+ 106
- 15
src/controller.ts Visa fil 

@@ -1,38 +1,129 @@
1 
+import { Object3D, Raycaster, Camera, Scene, Euler, Vector3 } from "three";
2 
+import { ReeGame } from './index';
1 3
2 4 
 export class GameController {
3 5 
     root: HTMLElement;
4 
-
6 
+    mouse: { dx: number, dy: number };
5 7 
     callbackMap: any;
8 
+    axisZ = new Vector3(0, 0, 1).normalize();
9 
+
10 
+    private vec: Vector3 = new Vector3();
11 
+    private game: ReeGame;
12 
+    private startFlag = false;
13 
+    private mask: HTMLElement;
6 14
7 
-    constructor(root: HTMLElement) {
15 
+    constructor(root: HTMLElement, mask: HTMLElement, game: ReeGame) {
8 16 
         this.root = root;
9 17 
         this.callbackMap = {};
10 
-        this.bindKey();
18 
+        this.game = game;
19 
+        this.mouse = { dx: 0, dy: 0 }
20 
+        this.mask = mask;
21 
+
22 
+        this.onPointLockChange();
23 
+        this.onStartSignal();
24 
+        this.onKey();
25 
+        this.bindMouseLookAt(game.camera, game.scene);
26 
+        this.bindMoveKeys(game.camera);
27 
+    }
28 
+
29 
+    bindMouseLookAt(obj: Camera, scene: Scene) {
30 
+
31 
+        let cam = obj;
32 
+        let eu: Euler = new Euler(0, 0, 0, 'YXZ');
33 
+        let PI_2 = Math.PI / 2;
34 
+
35 
+        this.root.onmousemove = (event) => {
36 
+            if (!this.startFlag) return;
37 
+
38 
+            event.preventDefault();
39 
+            this.mouse.dx = event.movementX;
40 
+            this.mouse.dy = event.movementY;
41 
+
42 
+            eu.setFromQuaternion(cam.quaternion);
43 
+            eu.x -= this.mouse.dy * 0.001;
44 
+            eu.y -= this.mouse.dx * 0.001;
45 
+            eu.x = Math.max(- PI_2, Math.min(PI_2, eu.x));
46 
+            cam.quaternion.setFromEuler(eu);
47 
+
48 
+        };
49 
+    }
50 
+
51 
+    bindMoveKeys(box: Object3D) {
52 
+        this.onKey_A(() => {
53 
+            if (box) {
54 
+                //旋转矩阵的x向量
55 
+                this.vec.setFromMatrixColumn(box.matrix, 0);
56 
+                box.position.addScaledVector(this.vec, -0.1);
57 
+            }
58 
+        });
59 
+        this.onKey_D(() => {
60 
+            if (box) {
61 
+                //旋转矩阵的x向量
62 
+                this.vec.setFromMatrixColumn(box.matrix, 0);
63 
+                box.position.addScaledVector(this.vec, 0.1);
64 
+            }
65 
+        });
66 
+        this.onKey_S(() => {
67 
+            if (box) {
68 
+                this.vec.setFromMatrixColumn(box.matrix, 0);
69 
+                this.vec.crossVectors(box.up, this.vec);
70 
+                box.position.addScaledVector(this.vec, -0.1);
71 
+            }
72 
+        });
73 
+        this.onKey_W(() => {
74 
+            if (box) {
75 
+                this.vec.setFromMatrixColumn(box.matrix, 0);
76 
+                this.vec.crossVectors(box.up, this.vec);
77 
+                box.position.addScaledVector(this.vec, 0.1);
78 
+            }
79 
+        });
11 80 
     }
12 81
13 
-    onKey_A(callback: Function) {
14 
-        this.callbackMap["A"] = callback;
82 
+    private onKey_A(callback: Function) {
83 
+        this.callbackMap[65] = callback;
15 84 
     }
16 85
17 
-    onKey_S(callback: Function) {
18 
-        this.callbackMap["S"] = callback;
86 
+    private onKey_S(callback: Function) {
87 
+        this.callbackMap[83] = callback;
19 88 
     }
20 89
21 
-    onKey_W(callback: Function) {
22 
-        this.callbackMap["W"] = callback;
90 
+    private onKey_W(callback: Function) {
91 
+        this.callbackMap[87] = callback;
23 92 
     }
24 
-    onKey_D(callback: Function) {
25 
-        this.callbackMap["D"] = callback;
93 
+    private onKey_D(callback: Function) {
94 
+        this.callbackMap[68] = callback;
26 95 
     }
96 
+    private onPointLockChange() {
97 
+        document.onpointerlockchange = (e) => {
98 
+            if (document.pointerLockElement) {
99 
+                this.startFlag = true;
100 
+            } else {
101 
+                this.startFlag = false;
102 
+                let mask = document.getElementById("mask")
103 
+                if (mask)
104 
+                    mask.style.opacity = "0.9";
105 
+                document.body.style.cursor = "pointer";
106 
+                document.exitPointerLock();
107 
+            }
27 108
28 
-    private bindKey() {
109 
+        };
110 
+    }
111 
+    private onStartSignal() {
112 
+        this.root.onmouseup = () => {
113 
+            document.body.style.cursor = "none";
114 
+            this.mask.style.opacity = "0";
115 
+            this.root.requestPointerLock();
116 
+            this.startFlag = true;
117 
+        };
118 
+    }
119 
+    private onKey() {
29 120 
         this.root.onkeypress = (event) => {
30 
-            let c = event.key.toUpperCase();
121 
+            if (!this.startFlag) return;
122 
+            let c = event.keyCode;
31 123 
             if (this.callbackMap[c]) {
32 124 
                 this.callbackMap[c]();
33 125 
             }
34 
-        };
35 
-        console.log(this.root);
36 126
127 
+        };
37 128 
     }
38 129 
 }

+ 78
- 102
src/index.ts Visa fil 

@@ -1,77 +1,65 @@
1 1 
 import * as THREE from "three"
2 2 
 import { GLTFLoader } from 'three/examples/jsm/loaders/GLTFLoader'
3 
-import { Object3D, Mesh, ShaderMaterial } from "three";
3 
+import { Object3D, Mesh, TextureLoader, HemisphereLight, Color, AmbientLight, PlaneBufferGeometry, MeshPhongMaterial, Vector3, Scene } from "three";
4 4
5 5 
 import { GameController } from "./controller"
6 
+import { OrbitNavigator, KeyPoint } from "./navigator";
6 7
7 
-
8 
-export class FooGame {
8 
+export class ReeGame {
9 9
10 10 
     scene: THREE.Scene;
11 11 
     camera: THREE.Camera;
12 
-    renderer: THREE.WebGLRenderer;
13 
-
14 
-    cam_fov = 70; //视角大小
15 
-    cam_aspect = window.innerWidth / window.innerHeight;
12 
+    private renderer: THREE.WebGLRenderer;
13 
+    private light: THREE.Light;
14 
+    private cam_fov = 70; //视角大小
15 
+    private cam_aspect = window.innerWidth / window.innerHeight;
16 16
17 
-    loader: GLTFLoader;
17 
+    gltfLoader: GLTFLoader;
18 
+    textureLoader: TextureLoader;
18 19
19 
-    updateMap: Object;
20 
-
21 
-    controller: GameController;
20 
+    private controller: GameController;
21 
+    private renderFlag: boolean = true;
22 22
23 23 
     constructor() {
24 
-        this.camera = new THREE.PerspectiveCamera(this.cam_fov, this.cam_aspect, 0.01, 10)
25 
-        this.camera.position.x = 0;
26 
-        this.camera.position.y = 3;
27 
-        this.camera.position.z = 5;
24 
+        this.camera = new THREE.PerspectiveCamera(this.cam_fov, this.cam_aspect, 1, 1000)
25 
+        this.camera.position.x = -1;
26 
+        this.camera.position.y = 2;
27 
+        this.camera.position.z = 1;
28 28
29 29 
         this.scene = new THREE.Scene();
30 
+        this.scene.add(this.camera);
31 
+
32 
+        this.light = new HemisphereLight(new Color(0XFFFFFF), new Color(0x000000), 1);
33 
+        this.light.position.set(0, 15, 0);
30 34
35 
+        this.scene.add(new AmbientLight(new Color(0xffffff), 1));
36 
+        this.scene.add(this.light);
31 37 
         this.renderer = new THREE.WebGLRenderer();
32 38 
         this.renderer.setSize(window.innerWidth, window.innerHeight);
33 39
34 40 
         document.body.appendChild(this.renderer.domElement);
35 41
36 
-        this.loader = new GLTFLoader();
37 
-
38 
-        this.updateMap = {};
39 
-
40 
-        this.controller = new GameController(document.body);
41 
-
42 
+        this.gltfLoader = new GLTFLoader();
43 
+        let mask = document.getElementById("mask") || new HTMLElement();
44 
+        this.controller = new GameController(document.body, mask, this);
45 
+        this.textureLoader = new TextureLoader();
42 46 
         this.animate();
43 
-        //this.loadScene();
44 
-    }
45 
-
46 
-    bindKeyAction(box: Object3D) {
47 
-        this.controller.onKey_A(() => {
48 
-            if (box) box.position.x -= 0.1;
49 
-        });
50 
-        this.controller.onKey_D(() => {
51 
-            if (box) box.position.x += 0.1;
52 
-        });
53 
-        this.controller.onKey_S(() => {
54 
-            if (box) box.position.z += 0.1;
55 
-        });
56 
-        this.controller.onKey_W(() => {
57 
-            if (box) box.position.z -= 0.1;
58 
-        });
59 
-
60 47 
     }
61 48
62 
-    animate() {
49 
+    private animate() {
63 50 
         requestAnimationFrame(() => {
64 51 
             this.animate();
65 52 
         });
66 
-        this.updateObjects(this.scene);
67 
-        this.renderer.render(this.scene, this.camera);
53 
+        if (this.renderFlag) {
54 
+            this.updateObjects(this.scene);
55 
+            this.renderer.render(this.scene, this.camera);
56 
+        }
68 57 
     }
69 58
70 59 
     private updateObjects(obj: Object3D) {
71 60
72 
-        if ("update" in obj && (typeof obj["update"] == "function")) {
73 
-            var f: Function = obj["update"];
74 
-            f.call(obj, obj);
61 
+        if (obj.userData.update && (typeof obj.userData.update == "function")) {
62 
+            obj.userData.update.call(obj, obj);
75 63 
         }
76 64
77 65 
         if (obj.children && obj.children.length > 0) {
 
@@ -81,6 +69,12 @@ export class FooGame {
81 69 
         }
82 70 
     }
83 71
72 
+    stop() {
73 
+        this.renderFlag = false;
74 
+    }
75 
+    start() {
76 
+        this.renderFlag = true;
77 
+    }
84 78 
     findObjectByName(name: string, parent: Object3D = this.scene) {
85 79 
         let obj = parent.getObjectByName(name);
86 80 
         if (obj) return obj;
 
@@ -95,73 +89,55 @@ export class FooGame {
95 89 
         }
96 90 
     }
97 91
98 
-    setUpdate(obj: Object3D, fn: Function) {
99 
-        Object.defineProperty(obj, "update", {
100 
-            writable: true,
101 
-            value: fn
102 
-        });
92 
+    static setUpdate(obj: Object3D, fn: Function) {
93 
+        let v = fn;
94 
+
95 
+        if (obj.userData.update && (typeof obj.userData.update == "function")) {
96 
+            var f: Function = obj.userData.update;
97 
+            v = () => {
98 
+                f.call(obj, obj);
99 
+                fn.call(obj, obj);
100 
+            };
101 
+        }
102 
+        obj.userData.update = v;
103 103 
     }
104 104
105 
+    /**
106 
+     * 加载场景
107 
+     * @param callback
108 
+     */
105 109 
     loadScene(callback: Function) {
106 
-        this.loader.load("./scenes/foo.gltf", gltf => {
110 
+
111 
+        this.gltfLoader.load("./scenes/campus/Unity2GLTF.gltf", gltf => {
107 112 
             this.scene.add(gltf.scene);
108 
-            let box = this.scene.getObjectByName("Box");
109 
-            box && this.camera.lookAt(box.position);
113 
+            this.scene.background = new THREE.Color('rgb(191,196,234)');
114 
+            //添加一个地板
115 
+            let geoGround = new PlaneBufferGeometry(200, 200, 100, 200);
116 
+            let matGround = new MeshPhongMaterial({
117 
+                color: "rgb(100,100,100)"
118 
+            });
119 
+            let ground = new Mesh(geoGround, matGround);
120 
+            ground.rotation.x = -Math.PI / 2;
121 
+            ground.position.y = -2;
122 
+            this.scene.add(ground);
123 
+
110 124 
             callback();
111 125 
         });
112 126 
     }
113 127 
 }
114 128
115 
-let game = new FooGame();
116 
-
117 
-let vertexShader =  `
118 
-uniform float time;
119 
-varying vec3 vPos;
120 
-void main() {
121 
-	vPos=position;
122 
-	vPos.x += sin(time * vPos.z) * 2.0;
123 
-	vPos.y += cos(time * vPos.z) * 2.0;
124 
-	//vPos.z += tan(time * vPos.z) * 4.0;
125 
-	gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
126 
-}
127 
-`;
128 
-
129 
-let fragmentShader =  `
130 
-varying vec3 vPos;
131 
-void main() {
132 
-	gl_FragColor = vec4( vPos, 1.0 );
133 
-}
134 
-`;
135 
-
129 
+let game = new ReeGame();
136 130 
 game.loadScene(() => {
137 
-    let box = game.scene.getObjectByName("Box");
138 
-    if (box) {
139 
-        game.bindKeyAction(box);
140 
-        let mat:ShaderMaterial;
141 
-        if (box instanceof Mesh) {
142 
-            let mesh: Mesh = box;
143 
-
144 
-            mat = new ShaderMaterial({
145 
-                uniforms: {
146 
-                    time: {
147 
-                        value: 0
148 
-                    }
149 
-                },
150 
-                vertexShader: vertexShader,
151 
-                fragmentShader: fragmentShader
152 
-            });
153 
-            mesh.material = mat;
154 
-        }
155 
-
156 
-        game.setUpdate(box, (obj: Object3D) => {
157 
-            //game.camera.rotateOnAxis(obj.position, 0.01)
158 
-            //obj.position.x += performance.now() * 0.000001;
159 
-            //obj.position.z += performance.now() * 0.000001;
160 
-            obj.rotateY(0.01);
161 131
162 
-            //game.camera.lookAt(obj.position)
163 
-            mat.uniforms.time.value = performance.now()/500;
164 
-        });
165 
-    }
166 
-})
132 
+    let points: KeyPoint[] = [];
133 
+    points.push(new KeyPoint(new Vector3(2, 2, 2), new Vector3(0, 2, 0)));
134 
+    points.push(new KeyPoint(new Vector3(-20, 15, -20), new Vector3(0, 2, 0)));
135 
+    points.push(new KeyPoint(new Vector3(-20, 15, 20), new Vector3(0, 2, 0)));
136 
+    points.push(new KeyPoint(new Vector3(20, 15, 20), new Vector3(0, 2, 0)));
137 
+    points.push(new KeyPoint(new Vector3(20, 20, -20),new Vector3(0, 2, 0)));
138 
+    points.push(new KeyPoint(new Vector3(2, 2, 2)));
139 
+    let nav: OrbitNavigator = new OrbitNavigator(game.camera, points, 200, true);
140 
+
141 
+    nav.start();
142 
+});
167 143

+ 95
- 0
src/navigator.ts Visa fil 

@@ -0,0 +1,95 @@
1 
+
2 
+import { Object3D, Vector3 } from 'three';
3 
+import { ReeGame } from './index';
4 
+
5 
+export class KeyPoint {
6 
+    point: Vector3 | Object3D = new Vector3();
7 
+    lookAt?: Vector3 | Object3D;
8 
+
9 
+    constructor(p: Vector3 | Object3D, look?: Vector3 | Object3D) {
10 
+        this.point = p;
11 
+        this.lookAt = look;
12 
+    }
13 
+}
14 
+
15 
+export class OrbitNavigator {
16 
+    private speed: number;
17 
+    private loop: boolean;
18 
+    private translateDelta: number;
19 
+    private target: Object3D;
20 
+    private points: KeyPoint[];
21 
+    private idxMax: number;
22 
+    private idxP0 = 0; // 当前下一个位置索引
23 
+    private p0: Vector3 = new Vector3(); //上一个关键点
24 
+    private p1: Vector3 = new Vector3(); //下一个关键点
25 
+    private lookAt: Vector3 | undefined;
26 
+    private direction: Vector3 = new Vector3(); //当前前进方向
27 
+
28 
+    private vec: Vector3 = new Vector3();
29 
+
30 
+    constructor(target: Object3D, points: KeyPoint[], speed: number, loop: boolean = true) {
31 
+        this.target = target;
32 
+        this.points = points || [];
33 
+        this.idxMax = points.length - 2;
34 
+
35 
+        this.speed = speed;
36 
+        this.translateDelta = speed * 0.001;
37 
+        this.loop = loop;
38 
+    }
39 
+
40 
+    start() {
41 
+        this.idxP0 = 0;
42 
+        this.calcDirection();
43 
+
44 
+        this.target.position.set(this.p0.x, this.p0.y, this.p0.z);
45 
+        ReeGame.setUpdate(this.target, (obj: Object3D) => {
46 
+            this.update(obj);
47 
+        });
48 
+        console.log("start");
49 
+
50 
+    }
51 
+
52 
+    restart() {
53 
+        this.idxP0 = 0;
54 
+        this.calcDirection();
55 
+
56 
+        this.target.position.set(this.p0.x, this.p0.y, this.p0.z);
57 
+    }
58 
+    private update(obj: Object3D) {
59 
+
60 
+        if (obj.position.distanceTo(this.p1) <= 0.1) {
61 
+            this.idxP0++;
62 
+            this.calcDirection();
63 
+        }
64 
+
65 
+        if(this.lookAt){
66 
+            obj.lookAt(this.lookAt);
67 
+        }
68 
+        obj.position.addScaledVector(this.direction, this.translateDelta);
69 
+    }
70 
+
71 
+    private calcDirection() {
72 
+        if (this.idxP0 > this.idxMax) {
73 
+            if (this.loop) {
74 
+                this.restart();
75 
+            }
76 
+            else {
77 
+                this.direction = new Vector3(0, 0, 0);
78 
+                return;
79 
+            }
80 
+        }
81 
+
82 
+        let p0 = this.points[this.idxP0].point;
83 
+        let p1 = this.points[this.idxP0 + 1].point;
84 
+        let lookAt = this.points[this.idxP0].lookAt;
85 
+
86 
+        this.lookAt = lookAt && lookAt instanceof Vector3 ? lookAt : lookAt?.position;
87 
+        this.p0 = p0 instanceof Vector3 ? p0 : p0.position;
88 
+        this.p1 = p1 instanceof Vector3 ? p1 : p1.position;
89 
+        this.vec = this.vec.subVectors(this.p1, this.p0);
90 
+        this.direction = this.vec.normalize();
91 
+
92 
+
93 
+    }
94 
+
95 
+}

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