Mimi Yin NYU-ITP

Controlling angle speed with the distance between joints.

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​

 // IP Address of kinectron server

 let IP = "localhost";

​

 // Scale size of skeleton

 let SCL = 0.5;

​

// Declare kinectron

let kinectron = null;

​

// Variables for circle

let a = 0;

​

// Joint indices by name

let PELVIS = 0;

let SPINE_NAVAL = 1;

let SPINE_CHEST = 2;

let NECK = 3;

let CLAVICLE_LEFT = 4;

let SHOULDER_LEFT = 5;

let ELBOW_LEFT= 6;

let WRIST_LEFT= 7;

let HAND_LEFT = 8;

let HANDTIP_LEFT = 9;

let THUMB_LEFT = 10;

let CLAVICLE_RIGHT = 11;

let SHOULDER_RIGHT = 12;

let ELBOW_RIGHT = 13;

let WRIST_RIGHT = 14;

let HAND_RIGHT = 15;

let HANDTIP_RIGHT = 16;

let THUMB_RIGHT = 17;

let HIP_LEFT = 18;

let KNEE_LEFT = 19;

let ANKLE_LEFT = 20;

let FOOT_LEFT = 21;

let HIP_RIGHT = 22;

let KNEE_RIGHT = 23;

let ANKLE_RIGHT = 24;

let FOOT_RIGHT = 25;

let HEAD = 26;

let NOSE = 27;

let EYE_LEFT = 28;

let EAR_LEFT = 29;

let EYE_RIGHT = 30;

let EAR_RIGHT = 31;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

​

  // Define and create an instance of kinectron

  kinectron = new Kinectron(IP);

​

  // Set kinect version to azure

  kinectron.setKinectType("azure");

​

  // Connect with application over peer

  kinectron.makeConnection();

​

  // Request all tracked bodies and pass data to your callback

  kinectron.startTrackedBodies(bodyTracked);

​

  background(0);

}

​

function draw() {

  //Nothing to see here

}

​

function bodyTracked(body) {

  background(0, 10);

​

  // Get all the joints off the tracked body and do something with them

  let joints = body.skeleton.joints;

​

​

​

  // Pick 2 joints to connect

  let start = scaleJoint(joints[HAND_RIGHT]);

  let end = scaleJoint(joints[HAND_LEFT]);

​

  // Draw a line

  stroke(255);

  line(start.x, start.y, end.x, end.y);

  let d = dist(start.x, start.y, start.z, end.x, end.y, end.z);

​

  // Map the distance to angle speed

  //let aspeed = map(d, 0, width, -0.1, 0.5);

  // Inverse, non-linear mapping

  let aspeed = 1/d;

​

  // Move the angle by the angle speed

  a+=aspeed;

​

  noStroke();

    // Calculate circular pathway

  let x = cos(a)*width/4 + width/2;

  let y = sin(a)*width/4 + height/2;

  ellipse(x, y, 5, 5);

}

​

// 0. Scale the joint position data to fit the screen

// 1. Move it to the center of the screen

// 2. Flip the x-value to mirror

// 3. Return it as an object literal

function scaleJoint(joint) {

  return {

    x: (-joint.cameraX * SCL) + width / 2,

    y: (joint.cameraY * SCL) + height / 2,

    z: (joint.cameraZ * SCL),

  }

}

​

// Draw skeleton

function drawJoint(joint) {

​

  //console.log("JOINT OBJECT", joint);

  let pos = scaleJoint(joint);

​

  //Kinect location data needs to be normalized to canvas size

  stroke(255);

  strokeWeight(5);

  point(pos.x, pos.y);

}

​