十四周

賽車
PImage imgCar;
float angle =0,dx=0,dy=0,vel=1;
void setup(){
  size(800,600,P3D);
  imgCar = loadImage("player_car.png");
}
void draw(){
  background(255);
  for(int i =-1;i<=8;i++){
    for(int j=-1;j<=6;j++){
      rect(i*100+dx%100,j*100+dy%100,100,100);
    }
  }
  pushMatrix();
    translate(width/2, height/2);
    rotateZ(angle);
    image(imgCar, -100,-100,200,200);
  popMatrix();
  dx=-vel*cos(angle);
  dy=-vel*sin(angle);
}
void mouseMoved(){
  int x=mouseX-pmouseX;
  int y=mouseY-pmouseY;
  if(x>0) angle+=1/40.0;
  if(x<0) angle-=1/40.0;
}
void keyPressed(){
  if(key=='l')angle++;
  if(key=='r')angle--;
  if(keyCode==UP)vel*=1.1;
  if(keyCode==DOWN)vel*=0.9;
}