20161103 上課筆記

下載以及安裝 Leap motion

• https://www.leapmotion.com/setup
• https://apps.leapmotion.com/

小 Leap 真面目
*手需抬高大概十五公分左右

Leap Motion App Store

Leap motion 體驗

Download Leap Motion for Processing

Open examples

因為沒加背景，導致畫面的重疊

模仿 example，再加上背景 

開 reference 可以看到程式碼的功能

把 hand draw 拿掉 

掉硬幣遊戲

• 程式碼

import de.voidplus.leapmotion.*;

LeapMotion leap;

void setup(){

 size(640,480,P3D);

 leap=new LeapMotion(this);

}

float coinX=320, coinY=0, coinVX=0, coinVY=3;

int score=0;

void draw(){

 background(255);

 coinY += coinVY;

 fill(255,255,0);ellipse(coinX, coinY, 60,60);

 if(coinY>480){

 coinY=0;

 coinX=random(640);

 }

 for(Hand hand : leap.getHands()){

   //hand.draw();

   PVector pos = hand.getPosition();

   //println(pos);

   fill(255,0,0); ellipse(pos.x, pos.y, 100,100);

   if( dist(pos.x, pos.y, coinX, coinY)<100){

     score += 10;

     coinY=0;

     coinX=random(640);

   }

}

fill(0,255,0);

textSize(50);

text("Score:" + score, 400,100);

}

• 成果