week14

網路小畫家
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import processing.net.*;
Client client;
ArrayList<PVector>points;
void setup()
{
   size(300,300);
   client = new Client(this,"127.0.0.1",7777);
   points=new ArrayList<PVector>();
}
void draw()
{
   background(255);
   for(int i=0;i<points.size();i++)
   {
      ellipse(points.get(i).x,points.get(i).y,5,5);
   }
   if(cancle==1&&points.size()>0)points.remove(points.size()-1);
}
int cancle=0;
void mouseDragged()
{
   if(mouseButton==LEFT)points.add(new PVector(mouseX,mouseY)); 
}
void mousePressed()
{
  if(mouseButton==RIGHT&&points.size()>0)cancle=1; 
}
void mouseReleased()
{
  cancle=0;
}
(連線版本參照FB)
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