week 10

 

讓小人移動腳步

PImage img;

void setup(){

  size(500,500);

  img=loadImage("img.jpg");

  imageMode(CENTER);

}

int a=0, b=0, x=250, y=250;

void draw(){

  background(255);

  //image( img, 0,0);

  image(  img.get(141*a, 211*b, 141,211), x,y);

  if(frameCount%30==0) a = (a+1)%4;

}

void keyPressed(){

  if(keyCode==RIGHT){ b=3; x++; }

  if(keyCode==LEFT) { b=2; x--; }

  if(keyCode==UP) { b=1; y--; }

  if(keyCode==DOWN){ b=0; y++; }

}