week08 07161116

舉例:

點選畫面區塊，顯示點選顏色

PImage img;

color nowColor;

void setup() {

  size(300, 200);

  img=loadImage("cloud.png");

}

void draw() {

  image(img,0,0);

  fill(nowColor);

  rect(0,0,30,30);

}

void mouseMoved(){

  loadPixels();

  int now = width * mouseY + mouseX;

  nowColor = pixels[now];

}