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Kinect开发之体感举起手来程序设计（Kinect俄罗斯方块）

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Kinect开发

Kinect 姿势识别俄罗斯方块

上一篇博文介绍了一下Kinect的简单姿势识别，详细内容请转到http://yacare.iteye.com/blog/1950112，鄙人之前还写过一个俄罗斯方块的程序，具体请看http://yacare.iteye.com/blog/1949398，本博文主要将这两者结合起来，用Kinect姿势来控制游戏。仅作为一个抛砖引玉的案例，不知道公安局是否备案（哈哈，开个玩笑）。来说明去我们利用Kinect开发使用的只是其9牛1毛，杯水车薪的功能。

至于纯代码键盘控制的俄罗斯方块游戏请阅读C#实现俄罗斯方块，在此就不展开说明。此博文是基于二维仿真版的俄罗斯方块制作。界面与之前的可能有点不一样，但用Kinect姿势控制游戏的部分是基本相同的。

首先，我们要自定义一个姿势库，来存放自定义的姿势。

定义该姿势为方块旋转，左右肩膀，手腕，手掌都为水平方向，阈值角度为8度

定义该姿势为方块左移，左边肩膀，手腕，手掌都为竖直向上方向，阈值角度为10度；右边肩膀，手腕，手掌都为竖直向下方向，阈值角度为30度。

定义该姿势为方块右移，右边肩膀，手腕，手掌都为竖直向上方向，阈值角度为10度，左边肩膀，手腕，手掌都为竖直向下方向，阈值角度为30度。

定义该姿势为方块加速下落，左右边肩手腕，手掌都为水平方向，阈值角度为8度，左右肩膀，手腕与竖直竖直向下方向成25度（多次测试，手自然交叉接近这个角度），阈值角度为8度。

        /// <summary>
        /// 自定义姿势库
        /// </summary>
        private void PopulatePoseLibrary()
        {
            this.poseLibrary = new Pose[4];

            //Pose 1 - 伸开双臂 Arms Extended
            this.poseLibrary[0] = new Pose();
            this.poseLibrary[0].Title = "伸开双臂(Arms Extended)";
            this.poseLibrary[0].Angles = new PoseAngle[4];
            this.poseLibrary[0].Angles[0] = new PoseAngle(JointType.ShoulderLeft, JointType.ElbowLeft, 180, 8);
            this.poseLibrary[0].Angles[1] = new PoseAngle(JointType.ElbowLeft, JointType.WristLeft, 180, 8);
            this.poseLibrary[0].Angles[2] = new PoseAngle(JointType.ShoulderRight, JointType.ElbowRight, 0, 8);
            this.poseLibrary[0].Angles[3] = new PoseAngle(JointType.ElbowRight, JointType.WristRight, 0, 8);


            //Pose 2 - 把双手交叉 Both Hands Cross
            this.poseLibrary[1] = new Pose();
            this.poseLibrary[1].Title = "把手交叉（Hands Cross）";
            this.poseLibrary[1].Angles = new PoseAngle[4];
            this.poseLibrary[1].Angles[0] = new PoseAngle(JointType.ShoulderLeft, JointType.ElbowLeft, 245, 8);
            this.poseLibrary[1].Angles[1] = new PoseAngle(JointType.ElbowLeft, JointType.WristLeft, 0, 8);
            this.poseLibrary[1].Angles[2] = new PoseAngle(JointType.ShoulderRight, JointType.ElbowRight, 285, 8);
            this.poseLibrary[1].Angles[3] = new PoseAngle(JointType.ElbowRight, JointType.WristRight, 180, 8);


            //Pose 3 - 举起左手 Left Up and Right Down
            this.poseLibrary[2] = new Pose();
            this.poseLibrary[2].Title = "（举起左手）Left Up and Right Down";
            this.poseLibrary[2].Angles = new PoseAngle[4];
            this.poseLibrary[2].Angles[0] = new PoseAngle(JointType.ShoulderLeft, JointType.ElbowLeft, 95, 10);
            this.poseLibrary[2].Angles[1] = new PoseAngle(JointType.ElbowLeft, JointType.WristLeft, 95, 10);
            this.poseLibrary[2].Angles[2] = new PoseAngle(JointType.ShoulderRight, JointType.ElbowRight, 270, 30);
            this.poseLibrary[2].Angles[3] = new PoseAngle(JointType.ElbowRight, JointType.WristRight, 270, 30);


            //Pose 4 - 举起右手 Right Up and Left Down
            this.poseLibrary[3] = new Pose();
            this.poseLibrary[3].Title = "（举起右手）Right Up and Left Down";
            this.poseLibrary[3].Angles = new PoseAngle[4];
            this.poseLibrary[3].Angles[0] = new PoseAngle(JointType.ShoulderLeft, JointType.ElbowLeft, 270, 30);
            this.poseLibrary[3].Angles[1] = new PoseAngle(JointType.ElbowLeft, JointType.WristLeft, 270, 30);
            this.poseLibrary[3].Angles[2] = new PoseAngle(JointType.ShoulderRight, JointType.ElbowRight, 85, 10);
            this.poseLibrary[3].Angles[3] = new PoseAngle(JointType.ElbowRight, JointType.WristRight, 85, 10);
        }

处理姿势的事件，控制方块的运动

        /// <summary>
        ///  处理玩家姿势的方法
        /// </summary>
        /// <param name="skeleton"></param>
        private void ProcessPosePerforming(Skeleton skeleton)
        {
            bool ret;
            Graphics grMain = screenPanel.CreateGraphics();
            int value = 0;
            if (IsPose(skeleton, this.poseLibrary[0]))//    up
            {
                Console.WriteLine("双手上举垂直姿势符合条件");
                value = UP;
            }
            else if (IsPose(skeleton, this.poseLibrary[1]))
            {
                Console.WriteLine("双手交叉姿势符合条件");//	fall down
                value = DOWN;
            }
            else if (IsPose(skeleton, this.poseLibrary[2]))
            {
                Console.WriteLine("伸直左手姿势符合条件");//	left
                value = LEFT;
            }
            else if (IsPose(skeleton, this.poseLibrary[3]))
            {
                Console.WriteLine("伸直右手姿势符合条件");	//	right
                value = RIGHT;
            }
            switch (value)
            {
                case UP:	//	up
                    ret = mainBody.MoveShape(grMain, Body.MOVE_TYPE.MOVE_ROATE);
                    break;
                case LEFT:	//	left
                    ret = mainBody.MoveShape(grMain, Body.MOVE_TYPE.MOVE_LEFT);
                    break;
                case RIGHT:	//	right
                    ret = mainBody.MoveShape(grMain, Body.MOVE_TYPE.MOVE_RIGHT);
                    break;
                case DOWN:	//	fall down
                    ret = mainBody.MoveShape(grMain, Body.MOVE_TYPE.MOVE_FALL);
                    break;
                default:
                    ret = false;
                    break;
            }
            if (ret && value == DOWN)
            {
                DisposeShapeDown();
            }
        }

运行示例：