week14

用Processing連線小畫家並print出數值

client程式碼:

import processing.net.*;

Client client;

void setup() {

  size(300, 300);

  client = new Client(this, "127.0.0.1", 7777);

}

void draw() {

  if (mousePressed) {

    line(mouseX, mouseY, mouseX, mouseY);

    client.write(mouseX+" "+mouseY+" "+pmouseX+" "+pmouseY+"\n");

  }

}

server程式碼:

import processing.net.*;

Server server=null;

Client client=null;

void setup() {

  size(300, 300);

  server = new Server(this, 7777);

}

void draw() {

  Client temp = server.available();

  if (temp != null) {

    client = temp;

  }

  if (client != null) {

    String now = client.readString();

    if (now!=null) print(now);

  }

}

讓client端可以連線到server端

server更新程式碼:

import processing.net.*;

Server server=null;

Client client=null;

void setup() {

  size(300, 300);

  server = new Server(this, 7777);

}

void draw() {

  Client temp = server.available();

  if (temp != null) {

    client = temp;

  }

  if (client != null) {

    String now = client.readString();

    if (now!=null) {

      String []xyxy=splitTokens(now);

      line(int(xyxy[0]), int(xyxy[1]), int(xyxy[2]), int(xyxy[3]));

    }

  }

}

按滑鼠左鍵畫畫 右鍵退回

client更新程式碼:

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);

  }

}

void mouseDragged() {

  if (mouseButton==LEFT) points.add(new PVector(mouseX, mouseY));

  if (mouseButton==RIGHT && points.size()>0) points.remove(points.size()-1);

}