Mimi Yin NYU-ITP

Drawing skeleton joints.

Selecting different joints.

 */

​

 // IP Address of kinectron server

 let IP = "172.19.139.244";

​

 // Scale size of skeleton

 let SCL = 0.5;

​

// Declare kinectron

let kinectron = null;

​

// Keep track of selected joint

let s;

​

// Directory of joints

let jointNames = [

  "PELVIS",

  "SPINE_NAVAL",

  "SPINE_CHEST",

  "NECK",

  "CLAVICLE_LEFT",

  "SHOULDER_LEFT",

  "ELBOW_LEFT",

  "WRIST_LEFT",

  "HAND_LEFT",

  "HANDTIP_LEFT",

  "THUMB_LEFT",

  "CLAVICLE_RIGHT",

  "SHOULDER_RIGHT",

  "ELBOW_RIGHT",

  "WRIST_RIGHT",

  "HAND_RIGHT",

  "HANDTIP_RIGHT",

  "THUMB_RIGHT",

  "HIP_LEFT",

  "KNEE_LEFT",

  "ANKLE_LEFT",

  "FOOT_LEFT",

  "HIP_RIGHT",

  "KNEE_RIGHT",

  "ANKLE_RIGHT",

  "FOOT_RIGHT",

  "HEAD",

  "NOSE",

  "EYE_LEFT",

  "EAR_LEFT",

  "EYE_RIGHT",

  "EAR_RIGHT"

];

​

// 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);

​

  // Start with the pelvis

  s = PELVIS;

​

  background(0);

}

​

function draw() {

  //background(0);

}

​

function bodyTracked(body) {

  background(0);

​

  // Draw all the joints

  let joints = body.skeleton.joints;

  for(let j in joints) {

    let joint = joints[j];

    // j==s returns whether this joint is the selected joint

    drawJoint(joint, j == s);

  }

​

  // Print which joint is selected

  noStroke();

  fill(255);

  textSize(18);

  text("RT/LFT to change joints. " + s + ": " + jointNames[s], 10, 20);

}

​

function keyPressed() {

  if (keyCode == RIGHT_ARROW) {

    s++;

  } else if (keyCode == LEFT_ARROW) {

    s--;

  }

​

  // Wrap around

  s%=jointNames.length;

  if (s < 0) s = jointNames.length-1;

}

​

// 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 you

// 3. Return it as an object literal

function scaleJoint(joint) {

  return {

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

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

  }

}

​

// Draw skeleton

function drawJoint(joint, isSelected) {

​

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

  let pos = scaleJoint(joint);

​

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

  // Draw it big and red if it's the selected joint

  if (isSelected) {

    stroke(255, 0, 0);

    strokeWeight(50);

  } else {

    stroke(255);

    strokeWeight(5);

  }

  point(pos.x, pos.y);

}

​