diff --git a/BezierPathsDemo/.gitignore b/BezierPathsDemo/.gitignore
new file mode 100644
index 0000000..a231b3f
--- /dev/null
+++ b/BezierPathsDemo/.gitignore
@@ -0,0 +1,24 @@
+
+#///////////////////////////
+# Cocos Creator 3D Project
+#///////////////////////////
+library/
+temp/
+local/
+build/
+profiles/
+native
+#//////////////////////////
+# NPM
+#//////////////////////////
+node_modules/
+
+#//////////////////////////
+# VSCode
+#//////////////////////////
+.vscode/
+
+#//////////////////////////
+# WebStorm
+#//////////////////////////
+.idea/
\ No newline at end of file
diff --git a/BezierPathsDemo/README.md b/BezierPathsDemo/README.md
new file mode 100644
index 0000000..647c6a7
--- /dev/null
+++ b/BezierPathsDemo/README.md
@@ -0,0 +1,6 @@
+# 生成匀速Bezier曲线
+> 实现2d与3d的三阶匀速曲线
+
+## 参考
+* https://blog.csdn.net/iSunwish/article/details/78935257
+* https://blog.csdn.net/iSunwish/article/details/112127363
\ No newline at end of file
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new file mode 100644
index 0000000..8ea9e0e
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new file mode 100644
index 0000000..ab9171c
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new file mode 100644
index 0000000..7c7f64b
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+++ b/BezierPathsDemo/assets/material/seafloor.mtl
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new file mode 100644
index 0000000..c405305
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new file mode 100644
index 0000000..0289264
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new file mode 100644
index 0000000..69da94f
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new file mode 100644
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index 0000000..cc5d279
--- /dev/null
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+    "graphicsHelper": {
+      "__id__": 16
+    },
+    "_id": "1d2smm9X9CG6B/mpPWNFbP"
+  },
+  {
+    "__type__": "cc.SceneGlobals",
+    "ambient": {
+      "__id__": 25
+    },
+    "shadows": {
+      "__id__": 26
+    },
+    "_skybox": {
+      "__id__": 27
+    },
+    "fog": {
+      "__id__": 28
+    }
+  },
+  {
+    "__type__": "cc.AmbientInfo",
+    "_skyColor": {
+      "__type__": "cc.Color",
+      "r": 51,
+      "g": 128,
+      "b": 204,
+      "a": 1
+    },
+    "_skyIllum": 20000,
+    "_groundAlbedo": {
+      "__type__": "cc.Color",
+      "r": 51,
+      "g": 51,
+      "b": 51,
+      "a": 255
+    }
+  },
+  {
+    "__type__": "cc.ShadowsInfo",
+    "_type": 0,
+    "_enabled": false,
+    "_normal": {
+      "__type__": "cc.Vec3",
+      "x": 0,
+      "y": 1,
+      "z": 0
+    },
+    "_distance": 0,
+    "_shadowColor": {
+      "__type__": "cc.Color",
+      "r": 76,
+      "g": 76,
+      "b": 76,
+      "a": 255
+    },
+    "_autoAdapt": true,
+    "_pcf": 0,
+    "_bias": 0.00001,
+    "_near": 1,
+    "_far": 30,
+    "_aspect": 1,
+    "_orthoSize": 5,
+    "_maxReceived": 4,
+    "_size": {
+      "__type__": "cc.Vec2",
+      "x": 512,
+      "y": 512
+    }
+  },
+  {
+    "__type__": "cc.SkyboxInfo",
+    "_envmap": null,
+    "_isRGBE": false,
+    "_enabled": false,
+    "_useIBL": false
+  },
+  {
+    "__type__": "cc.FogInfo",
+    "_type": 0,
+    "_fogColor": {
+      "__type__": "cc.Color",
+      "r": 200,
+      "g": 200,
+      "b": 200,
+      "a": 255
+    },
+    "_enabled": false,
+    "_fogDensity": 0.3,
+    "_fogStart": 0.5,
+    "_fogEnd": 300,
+    "_fogAtten": 5,
+    "_fogTop": 1.5,
+    "_fogRange": 1.2
+  }
+]
\ No newline at end of file
diff --git a/BezierPathsDemo/assets/scene/Bezier.scene.meta b/BezierPathsDemo/assets/scene/Bezier.scene.meta
new file mode 100644
index 0000000..1158724
--- /dev/null
+++ b/BezierPathsDemo/assets/scene/Bezier.scene.meta
@@ -0,0 +1,11 @@
+{
+  "ver": "1.1.27",
+  "importer": "scene",
+  "imported": true,
+  "uuid": "f2d7ea36-b11b-44a5-8f58-31b75049daf6",
+  "files": [
+    ".json"
+  ],
+  "subMetas": {},
+  "userData": {}
+}
diff --git a/BezierPathsDemo/assets/scripts.meta b/BezierPathsDemo/assets/scripts.meta
new file mode 100644
index 0000000..6b348f5
--- /dev/null
+++ b/BezierPathsDemo/assets/scripts.meta
@@ -0,0 +1,12 @@
+{
+  "ver": "1.1.0",
+  "importer": "directory",
+  "imported": true,
+  "uuid": "5cbca12f-0036-4e32-952b-6b3da0042b50",
+  "files": [],
+  "subMetas": {},
+  "userData": {
+    "compressionType": {},
+    "isRemoteBundle": {}
+  }
+}
diff --git a/BezierPathsDemo/assets/scripts/BezierCurvesKit.ts b/BezierPathsDemo/assets/scripts/BezierCurvesKit.ts
new file mode 100644
index 0000000..f512972
--- /dev/null
+++ b/BezierPathsDemo/assets/scripts/BezierCurvesKit.ts
@@ -0,0 +1,205 @@
+import { v2, Vec2, Vec3 } from "cc";
+
+export class BezierCurvesKit {
+
+    private static _instance: BezierCurvesKit;
+    public static get Instacne() {
+        if (this._instance == null) {
+            this._instance = new BezierCurvesKit();
+        }
+        return this._instance;
+    }
+    /**
+     * 计算三阶曲线 三维坐标
+     * @param t 
+     * @param p0 
+     * @param p1 
+     * @param p2 
+     * @param p3 
+     */
+    private calculateBezierPoint3(t: number, p0: Vec3, p1: Vec3, p2: Vec3, p3: Vec3) {
+        let u = 1 - t;
+        let tt = t * t;
+        let uu = u * u;
+        let uuu = uu * u;
+        let ttt = tt * t;
+        let point = new Vec3();
+        let x = uuu * p0.x + 3 * uu * t * p1.x + 3 * u * tt * p2.x + ttt * p3.x;
+        let y = uuu * p0.y + 3 * uu * t * p1.y + 3 * u * tt * p2.y + ttt * p3.y;
+        let z = uuu * p0.z + 3 * uu * t * p1.z + 3 * u * tt * p2.z + ttt * p3.z;
+        Vec3.set(point, x, y, z);
+        return point;
+    }
+
+    /**
+     * 计算三阶曲线 二维坐标
+     * @param t 
+     * @param p0 
+     * @param p1 
+     * @param p2 
+     * @param p3 
+     */
+    private calculateBezierPoint2(t: number, p0: Vec2, p1: Vec2, p2: Vec2, p3: Vec2) {
+        let u = 1 - t;
+        let tt = t * t;
+        let uu = u * u;
+        let uuu = uu * u;
+        let ttt = tt * t;
+        let point = new Vec2();
+        let x = uuu * p0.x + 3 * uu * t * p1.x + 3 * u * tt * p2.x + ttt * p3.x;
+        let y = uuu * p0.y + 3 * uu * t * p1.y + 3 * u * tt * p2.y + ttt * p3.y;
+        Vec2.set(point, x, y);
+        return point;
+    }
+
+    public calculateBezierPoint(t: number, p0: Vec2 | Vec3, p1: Vec2 | Vec3, p2: Vec2 | Vec3, p3: Vec2 | Vec3) {
+        if (p0 instanceof Vec2) {
+            return this.calculateBezierPoint2(t, p0, p1, p2, p3);
+        } else {
+            return this.calculateBezierPoint3(t, p0, p1, p2, p3);
+        }
+    }
+
+    //
+    private speedX(points: Vec3[] | Vec2[], t: number) {
+        let a = -3 * points[0].x * Math.pow(1 - t, 2) + 3 * points[1].x * Math.pow(1 - t, 2) - 6 * points[1].x * (1 - t) * t + 6 * points[2].x * (1 - t) * t - 3 * points[2].x * Math.pow(t, 2) + 3 * points[3].x * Math.pow(t, 2);
+        return a;
+    }
+
+    private speedY(points: Vec3[] | Vec2[], t: number) {
+        let a = -3 * points[0].y * Math.pow(1 - t, 2) + 3 * points[1].y * Math.pow(1 - t, 2) - 6 * points[1].y * (1 - t) * t + 6 * points[2].y * (1 - t) * t - 3 * points[2].y * Math.pow(t, 2) + 3 * points[3].y * Math.pow(t, 2);
+        return a;
+    }
+
+    private speedZ(points: Vec3[], t: number) {
+        let a = -3 * points[0].z * Math.pow(1 - t, 2) + 3 * points[1].z * Math.pow(1 - t, 2) - 6 * points[1].z * (1 - t) * t + 6 * points[2].z * (1 - t) * t - 3 * points[2].z * Math.pow(t, 2) + 3 * points[3].z * Math.pow(t, 2);
+        return a;
+    }
+
+    private speedMerge2(points: Vec2[], t: number) {
+        let v_x = this.speedX(points, t);
+        let v_y = this.speedY(points, t);
+        return Math.sqrt(Math.pow(v_x, 2) + Math.pow(v_y, 2));
+    }
+
+    private speedMerge3(points: Vec3[], t: number) {
+        let v_x = this.speedX(points, t);
+        let v_y = this.speedY(points, t);
+        let v_z = this.speedZ(points, t);
+
+        return Math.sqrt(Math.pow(v_x, 2) + Math.pow(v_y, 2) + Math.pow(v_z, 2));
+    }
+
+    private speedMerge(points: Vec2[] | Vec3[], t: number) {
+        if (points[0] instanceof Vec2) {
+            return this.speedMerge2(points, t);
+        } else {
+            return this.speedMerge3(points, t);
+        }
+    }
+
+    /**
+     * 求 0~t 段的三阶贝塞尔曲线长度
+     * t为realTime
+     * @param points 
+     */
+    private pathLength(points: Vec2[] | Vec3[], t: number) {
+        let total_step = 100000;
+        let step_counts = total_step;
+        let half_counts;
+        let i = 0;
+        let sum_1 = 0, sum_2 = 0, t_step;
+
+        if (step_counts == 0) {
+            return 0;
+        }
+        if (step_counts % 2 == 0) {
+            step_counts++;
+        }
+
+        half_counts = step_counts / 2;
+        t_step = t / step_counts;
+
+        while (i < half_counts) {
+            sum_1 += this.speedMerge(points, (2 * i + 1) * t_step);
+            i++;
+        }
+        i = 1;
+        while (i < half_counts) {
+            sum_2 += this.speedMerge(points, (2 * i * t_step));
+            i++;
+        }
+
+        return (this.speedMerge(points, 0) + this.speedMerge(points, 1) + 2 * sum_2 + 4 * sum_1) * t_step / 3;
+    }
+
+    /**
+     * 通过对应的弧长来取得rt
+     * @param points 
+     * @param length 
+     */
+    private realTimeByLength(points: Vec2[] | Vec3[], length: number) {
+        let real_time = 0;
+        let rt_length = 0;
+        let delta_length = 0;
+        let delta_time = 0;
+        let low = 0, high = 1;
+        do {
+            if (delta_length > 0) {
+                real_time -= (real_time - low) / 2;
+                delta_time = real_time - low;
+            } else {
+                real_time += (high - real_time) / 2;
+                delta_time = high - real_time;
+            }
+            rt_length = this.pathLength(points, real_time);
+            delta_length = rt_length - length;
+            if (delta_length > 0) {
+                high = real_time;
+            } else {
+                low = real_time;
+            }
+
+            // 0.01 的误差已经很小了，可视为此时的 rt 就是真实的 rt
+            // 或者 rt 的更新量足够小时也应跳出，防止梯度消失造成死循环
+        } while (Math.abs(delta_length) > 0.01 && delta_time > 0.000000001)
+
+        return real_time;
+    }
+
+    /**
+     * 取得匀速点数组
+     * @param points 
+     * @param step 
+     */
+    public getUniformPoints(points: Vec2[] | Vec3[],step:number=100) {
+        let lengthTotal = this.pathLength(points, 1);
+        let deltaStep = lengthTotal / step;
+        let drawingPoints: Vec2[] | Vec3[] = [];
+
+        for (let i = 0; i < points.length - 3; i += 3) {
+            let p0: Vec2 | Vec3 = points[i];
+            let p1: Vec2 | Vec3 = points[i + 1];
+            let p2: Vec2 | Vec3 = points[i + 2];
+            let p3: Vec2 | Vec3 = points[i + 3];
+
+            if (i == 0) {
+                drawingPoints.push(p0);
+            }
+
+            for (let j = 1; j <= step; j++) {
+                let length = deltaStep * j;
+                let t = this.realTimeByLength([p0, p1, p2, p3], length);
+                drawingPoints.push(this.calculateBezierPoint(t, p0, p1, p2, p3));
+            }
+        }
+
+        return drawingPoints;
+    }
+}
+
+/**
+ * 参考文章
+ * https://blog.csdn.net/iSunwish/article/details/78935257
+ * https://blog.csdn.net/iSunwish/article/details/112127363
+ */
\ No newline at end of file
diff --git a/BezierPathsDemo/assets/scripts/BezierCurvesKit.ts.meta b/BezierPathsDemo/assets/scripts/BezierCurvesKit.ts.meta
new file mode 100644
index 0000000..e6d0d4b
--- /dev/null
+++ b/BezierPathsDemo/assets/scripts/BezierCurvesKit.ts.meta
@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.21",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "25e55cbe-4b98-4aa0-85f3-1f379798a490",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}
diff --git a/BezierPathsDemo/assets/scripts/GraphicsHelper.ts b/BezierPathsDemo/assets/scripts/GraphicsHelper.ts
new file mode 100644
index 0000000..e7326db
--- /dev/null
+++ b/BezierPathsDemo/assets/scripts/GraphicsHelper.ts
@@ -0,0 +1,52 @@
+
+import { _decorator, Component, Node, Vec2, Graphics, v2 } from 'cc';
+const { ccclass, property } = _decorator;
+
+@ccclass('GraphicsHelper')
+export class GraphicsHelper extends Component {
+
+    private graphics: Graphics = null!;
+
+    onLoad() {
+        this.graphics = this.node.getComponent(Graphics);
+        console.log('graphics=', this.graphics);
+    }
+    start() {
+        // [3]
+        // this.drawPoints([v2(10, 10), v2(-10, 10), v2(10, -10), v2(-10, -10)], 5);
+        // this.drawFill();
+    }
+
+    drawPoints(points: Vec2[], radius: number) {
+        for (let i = 0; i < points.length; i++) {
+            let point = points[i];
+            this.graphics.circle(point.x, point.y, radius);
+        }
+    }
+
+    drawPointsLine(points: Vec2[], isClose: boolean = false) {
+        let length = points.length;
+        if (length < 2) {
+            console.warn('point num less than one')
+            return;
+        }
+        this.graphics.moveTo(points[0].x, points[0].y);
+        for (let i = 1; i < length; i++) {
+            let point = points[i];
+            this.graphics.lineTo(point.x, point.y);
+        }
+        if (isClose) {
+            this.graphics.close();
+        }
+
+    }
+
+    drawFill() {
+        this.graphics.fill();
+    }
+
+    drawStroke() {
+        this.graphics.stroke();
+    }
+}
+
diff --git a/BezierPathsDemo/assets/scripts/GraphicsHelper.ts.meta b/BezierPathsDemo/assets/scripts/GraphicsHelper.ts.meta
new file mode 100644
index 0000000..815fa16
--- /dev/null
+++ b/BezierPathsDemo/assets/scripts/GraphicsHelper.ts.meta
@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.21",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "8d86d36c-9ed5-4f34-b948-d0a234860faa",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}
diff --git a/BezierPathsDemo/assets/scripts/Main.ts b/BezierPathsDemo/assets/scripts/Main.ts
new file mode 100644
index 0000000..e550e0d
--- /dev/null
+++ b/BezierPathsDemo/assets/scripts/Main.ts
@@ -0,0 +1,41 @@
+
+import { _decorator, Component, Node, v2, Vec2 } from 'cc';
+import { BezierCurvesKit } from './BezierCurvesKit';
+import { GraphicsHelper } from './GraphicsHelper';
+const { ccclass, property } = _decorator;
+
+@ccclass('Main')
+export class Main extends Component {
+    @property(GraphicsHelper)
+    graphicsHelper: GraphicsHelper = null!
+
+    start() {
+        // [3]
+        let points = [v2(-300, -100), v2(-150, 700), v2(50, 600), v2(300, -200)];
+        this.graphicsHelper.drawPoints(points, 10);
+        this.graphicsHelper.drawFill();
+
+        // let paths: Vec2[] = BezierCurves.getDrawingPoints2(points, 100);
+        let paths:Vec2[]=BezierCurvesKit.Instacne.getUniformPoints(points,20);
+
+        // this.graphicsHelper.drawPointsLine(paths);
+        // this.graphicsHelper.drawStroke();
+        this.graphicsHelper.drawPoints(paths, 3);
+        this.graphicsHelper.drawFill();
+    }
+
+    // update (deltaTime: number) {
+    //     // [4]
+    // }
+}
+
+/**
+ * [1] Class member could be defined like this.
+ * [2] Use `property` decorator if your want the member to be serializable.
+ * [3] Your initialization goes here.
+ * [4] Your update function goes here.
+ *
+ * Learn more about scripting: https://docs.cocos.com/creator/3.0/manual/en/scripting/
+ * Learn more about CCClass: https://docs.cocos.com/creator/3.0/manual/en/scripting/ccclass.html
+ * Learn more about life-cycle callbacks: https://docs.cocos.com/creator/3.0/manual/en/scripting/life-cycle-callbacks.html
+ */
diff --git a/BezierPathsDemo/assets/scripts/Main.ts.meta b/BezierPathsDemo/assets/scripts/Main.ts.meta
new file mode 100644
index 0000000..dc197f4
--- /dev/null
+++ b/BezierPathsDemo/assets/scripts/Main.ts.meta
@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.21",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "35bc6dc3-6b28-4e69-885e-23af63d7566b",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}
diff --git a/BezierPathsDemo/assets/scripts/migrate-canvas.ts b/BezierPathsDemo/assets/scripts/migrate-canvas.ts
new file mode 100644
index 0000000..0ced648
--- /dev/null
+++ b/BezierPathsDemo/assets/scripts/migrate-canvas.ts
@@ -0,0 +1,85 @@
+/**
+ * UI 的渲染在 v3.0 变为使用 node.layer 来判断可见性，为了保证老版本项目升级后表现一致，
+ * Creator 会在运行时动态分配一个未使用的 layer 给常驻节点的 UI，避免常驻节点的 UI 与场景中
+ * 的其他 UI 的 layer 发生冲突，当你确定不会发生冲突时，你可以移除此脚本.
+ * 
+ * UI rendering has changed in v3.0 to use node.layer to determine visibility. 
+ * To ensure consistent performance after upgrading old projects. 
+ * Creator will dynamically assign an unused layer to the UI node in the persist node at 
+ * runtime to avoid conflicts between the layer of UI in the persist node and the 
+ * layer of other UI in the scene. You can remove this script when you 
+ * are sure there is no conflict
+ */
+
+import { _decorator, Node, director, Director, game, BaseNode, Canvas, Camera } from 'cc';
+
+const customLayerMask = 0x000fffff;
+const builtinLayerMask = 0xfff00000;
+
+director.on(Director.EVENT_AFTER_SCENE_LAUNCH, () => {
+    const roots = director.getScene()?.children as BaseNode[];
+    let allCanvases = director.getScene()?.getComponentsInChildren(Canvas) as Canvas[];
+    if (allCanvases.length <= 1) return;
+    allCanvases = allCanvases.filter(x => !!x.cameraComponent);
+    
+    let allCameras = director.getScene()?.getComponentsInChildren(Camera) as Camera[];
+    let usedLayer = 0;
+    allCameras.forEach(x => usedLayer |= (x.visibility & customLayerMask));
+
+    const persistCanvas: Canvas[] = [];
+    for (let i = 0, l = roots.length; i < l; i++) {
+        const root = roots[i];
+        if (!game.isPersistRootNode(root)) continue;
+        const canvases = root.getComponentsInChildren(Canvas);
+        if (canvases.length === 0) continue;
+        persistCanvas.push(...canvases.filter(x => !!x.cameraComponent));
+    }
+
+    persistCanvas.forEach((val) => {
+        const isLayerCollided = allCanvases.find(x => x !== val && (x.cameraComponent!.visibility & val.cameraComponent!.visibility & customLayerMask));
+        if (isLayerCollided) {
+            const availableLayers = ~usedLayer;
+            const lastAvailableLayer = availableLayers & ~(availableLayers - 1);
+            val.cameraComponent!.visibility = lastAvailableLayer | (val.cameraComponent!.visibility & builtinLayerMask);
+            setChildrenLayer(val.node, lastAvailableLayer);
+            usedLayer |= availableLayers;
+        }
+    });
+});
+
+function setChildrenLayer (node: Node, layer: number) {
+    for (let i = 0, l = node.children.length; i < l; i++) {
+        node.children[i].layer = layer;
+        setChildrenLayer(node.children[i], layer);
+    }
+}
+
+let setParentEngine = cc.Node.prototype.setParent;
+
+cc.Node.prototype.setParent = function(value, keepWorldTransform) {
+    setParentEngine.call(this, value, keepWorldTransform);
+    if (!value) return;
+    // find canvas
+    let layer = getCanvasCameraLayer(this);
+    if (layer) {
+        this.layer = layer;
+        setChildrenLayer(this, layer);
+    }
+}
+
+function getCanvasCameraLayer (node: Node) {
+    let layer = null;
+    let canvas = node.getComponent(Canvas);
+    if (canvas && canvas.cameraComponent) {
+        if (canvas.cameraComponent.visibility & canvas.node.layer) {
+            layer = canvas.node.layer;
+        } else {
+            layer = canvas.cameraComponent.visibility & ~(canvas.cameraComponent.visibility - 1);
+        }
+        return layer;
+    }
+    if (node.parent) {
+        layer = getCanvasCameraLayer(node.parent);
+    }
+    return layer;
+}
\ No newline at end of file
diff --git a/BezierPathsDemo/assets/scripts/migrate-canvas.ts.meta b/BezierPathsDemo/assets/scripts/migrate-canvas.ts.meta
new file mode 100644
index 0000000..5e49f3d
--- /dev/null
+++ b/BezierPathsDemo/assets/scripts/migrate-canvas.ts.meta
@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.21",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "0281b04b-007d-48fc-b494-a5f3aa2cab6b",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}
diff --git a/BezierPathsDemo/assets/skybox.meta b/BezierPathsDemo/assets/skybox.meta
new file mode 100644
index 0000000..46fb35c
--- /dev/null
+++ b/BezierPathsDemo/assets/skybox.meta
@@ -0,0 +1,12 @@
+{
+  "ver": "1.1.0",
+  "importer": "directory",
+  "imported": true,
+  "uuid": "9e344b1f-8681-4ddf-bcc6-bb014c332bb8",
+  "files": [],
+  "subMetas": {},
+  "userData": {
+    "compressionType": {},
+    "isRemoteBundle": {}
+  }
+}
diff --git a/BezierPathsDemo/assets/skybox/sunnySkyBox.jpg b/BezierPathsDemo/assets/skybox/sunnySkyBox.jpg
new file mode 100644
index 0000000..633a4b7
Binary files /dev/null and b/BezierPathsDemo/assets/skybox/sunnySkyBox.jpg differ
diff --git a/BezierPathsDemo/assets/skybox/sunnySkyBox.jpg.meta b/BezierPathsDemo/assets/skybox/sunnySkyBox.jpg.meta
new file mode 100644
index 0000000..3a9dc36
--- /dev/null
+++ b/BezierPathsDemo/assets/skybox/sunnySkyBox.jpg.meta
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+  "importer": "image",
+  "imported": true,
+  "uuid": "5af201b5-5951-4e2c-a81f-ac4aad9132cb",
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+        "isRGBE": false,
+        "imageDatabaseUri": "db://assets/skybox/sunnySkyBox.jpg"
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diff --git a/BezierPathsDemo/package.json b/BezierPathsDemo/package.json
new file mode 100644
index 0000000..e56be32
--- /dev/null
+++ b/BezierPathsDemo/package.json
@@ -0,0 +1,6 @@
+{
+  "name": "BezierDemo",
+  "type": "3d",
+  "uuid": "c30b28da-749e-479b-bcb6-cecd8d7be9e3",
+  "version": "3.0.0"
+}
diff --git a/BezierPathsDemo/settings/1.2.0/packages/builder.json b/BezierPathsDemo/settings/1.2.0/packages/builder.json
new file mode 100644
index 0000000..ad47cd6
--- /dev/null
+++ b/BezierPathsDemo/settings/1.2.0/packages/builder.json
@@ -0,0 +1,3 @@
+{
+  "__version__": "1.2.4"
+}
diff --git a/BezierPathsDemo/settings/1.2.0/packages/engine.json b/BezierPathsDemo/settings/1.2.0/packages/engine.json
new file mode 100644
index 0000000..88d6913
--- /dev/null
+++ b/BezierPathsDemo/settings/1.2.0/packages/engine.json
@@ -0,0 +1,18 @@
+{
+  "modules": {
+    "cache": {},
+    "includeModules": [
+      "base",
+      "gfx-webgl",
+      "gfx-webgl2",
+      "ui",
+      "particle",
+      "physics-cannon",
+      "physics-framework",
+      "audio",
+      "tween",
+      "terrain"
+    ]
+  },
+  "__version__": "1.0.1"
+}
diff --git a/BezierPathsDemo/settings/1.2.0/packages/project.json b/BezierPathsDemo/settings/1.2.0/packages/project.json
new file mode 100644
index 0000000..4e78796
--- /dev/null
+++ b/BezierPathsDemo/settings/1.2.0/packages/project.json
@@ -0,0 +1,7 @@
+{
+  "__version__": "1.0.1",
+  "script": {
+    "useDefineForClassFields": false,
+    "allowDeclareFields": false
+  }
+}
diff --git a/BezierPathsDemo/settings/v2/packages/builder.json b/BezierPathsDemo/settings/v2/packages/builder.json
new file mode 100644
index 0000000..a00509f
--- /dev/null
+++ b/BezierPathsDemo/settings/v2/packages/builder.json
@@ -0,0 +1,3 @@
+{
+  "__version__": "1.2.6"
+}
diff --git a/BezierPathsDemo/settings/v2/packages/engine.json b/BezierPathsDemo/settings/v2/packages/engine.json
new file mode 100644
index 0000000..47a0b66
--- /dev/null
+++ b/BezierPathsDemo/settings/v2/packages/engine.json
@@ -0,0 +1,28 @@
+{
+  "modules": {
+    "cache": {},
+    "includeModules": [
+      "base",
+      "gfx-webgl",
+      "3d",
+      "2d",
+      "ui",
+      "particle",
+      "physics-ammo",
+      "physics-2d-box2d",
+      "intersection-2d",
+      "primitive",
+      "profiler",
+      "particle-2d",
+      "audio",
+      "video",
+      "webview",
+      "tween",
+      "terrain",
+      "tiled-map",
+      "spine",
+      "dragon-bones"
+    ]
+  },
+  "__version__": "1.0.5"
+}
diff --git a/BezierPathsDemo/settings/v2/packages/project.json b/BezierPathsDemo/settings/v2/packages/project.json
new file mode 100644
index 0000000..f7ca559
--- /dev/null
+++ b/BezierPathsDemo/settings/v2/packages/project.json
@@ -0,0 +1,13 @@
+{
+  "__version__": "1.0.1",
+  "script": {
+    "useDefineForClassFields": false,
+    "allowDeclareFields": false
+  },
+  "general": {
+    "designResolution": {
+      "width": 720,
+      "height": 1280
+    }
+  }
+}
diff --git a/BezierPathsDemo/tsconfig.json b/BezierPathsDemo/tsconfig.json
new file mode 100644
index 0000000..faff299
--- /dev/null
+++ b/BezierPathsDemo/tsconfig.json
@@ -0,0 +1,6 @@
+{
+  /* Base configuration. Do not edit this field. */
+  "extends": "./temp/tsconfig.cocos.json" 
+
+  /* Add your custom configuration here. */
+}