Processing で LeapMotion を使うためのお試しコード．手のひらや指の位置を描画しようとしている．

LeapMotionSample.pde

import com.leapmotion.leap.*;

Controller controller = new Controller();

void setup() {
  size(1000, 1000);
  
  // ジェスチャーを有効にする
  controller.enableGesture(Gesture.Type.TYPE_SWIPE);
  controller.enableGesture(Gesture.Type.TYPE_CIRCLE);
  controller.enableGesture(Gesture.Type.TYPE_SCREEN_TAP);
  controller.enableGesture(Gesture.Type.TYPE_KEY_TAP);
}

void draw() {
  background(0);
  Frame frame = controller.frame();
  text("BASIC INFORMATION", 50, 10);
  text("Frame id: " + frame.id(), 50, 30);
  text("Timestamp: " + frame.timestamp(), 50, 50);
  text(frame.hands().count() + " Hands", 50, 70);
  text(frame.fingers().count() + " Fingers", 50, 90);
//  text("tools: " + frame.tools().count(), 50, 110);
  text("gestures: " + frame.gestures().count(), 50, 110);

  text("HANDS INFORMATION", 50, 150);
  for(Hand hand : frame.hands()) {
    String handType = hand.isLeft() ? "Left hand" : "Right hand";     
    text(handType + ", id: " + hand.id() + ", palm pos: " + hand.palmPosition(), 50, 170);
//    ellipse(hand.palmPosition().getX()+(width/2), (height*2/3)-hand.palmPosition().getY(), 50, 50);

//    Vector normal = hand.palmNormal();
//    Vector direction = hand.direction();
//    
//    text("pitch: " + Math.toDegrees(direction.pitch()) + " degrees", 50, 190);
//    text("roll: " + Math.toDegrees(normal.roll()) + " degrees", 50, 210);
//    text("yaw: " + Math.toDegrees(direction.yaw()) + " degrees", 50, 230);
        
    for(Finger finger : hand.fingers()) {
//      text(finger.type() + ", id: " + finger.id() + ", length: " + finger.length() + "mm, width: " + finger.width() + "mm", 50, 270+finger.id());
      println(finger.type() + ", id: " + finger.id() + ", tip pos: " + finger.tipPosition());
      
      if(finger.type().toString() == "TYPE_INDEX") { // 人差し指だけ描画
        ellipse(finger.tipPosition().getX()+(width/2), (height*2/3)-finger.tipPosition().getY(), 10, 10);
      }
        
    }
    
  }
  
}

手のひらの位置情報をもとに，描画を試みているところ．

手のひらと指の位置の描画できた．たのしい 😆