Mimi Yin NYU-ITP

Controlling position of circle with position of joint.

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// IP Address of kinectron server

let IP = "localhost";

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// Scale size of skeleton

let SCL = 0.25;

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// Declare kinectron

let kinectron = null;

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// Variable for moving line

let y = 0;

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// Store y-values over time

let yes = [];

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// 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;

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function setup() {

  createCanvas(windowWidth, windowHeight);

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  // Define and create an instance of kinectron

  kinectron = new Kinectron(IP);

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  // Set kinect version to azure

  kinectron.setKinectType("azure");

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  // Connect with application over peer

  kinectron.makeConnection();

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

  kinectron.startTrackedBodies(bodyTracked);

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  background(0);

}

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function draw() {

  //Nothing to see here

}

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function bodyTracked(body) {

  background(0, 10);

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

  let joints = body.skeleton.joints;

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  // Pick a joint to position

  let joint = scaleJoint(joints[HAND_RIGHT]);

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  // Map join to height of canvas

  let y = map(joint.y, 100, 500, 0, height);

  // Add y value to array

  yes.push(y);

  // Only 120 most recent values

  if(yes.length > 120) yes.shift();

  // Calculate an average y-value

  let avgY = 0;

  for(let yvalue of yes) {

   avgY+=yvalue; 

  }

  avgY/=yes.length;

  // Draw a point

  strokeWeight(20);

  stroke('white');

  // Draw the unison point

  //point(width / 2, y);

  // Draw the average

  point(width /4, avgY);

}

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// 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),

  }

}

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// Draw skeleton

function drawJoint(joint) {

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

  let pos = scaleJoint(joint);

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

  stroke(255);

  strokeWeight(5);

  point(pos.x, pos.y);

}

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