温 week06

 void setup(){

  size(400,600);

  textSize(20);
  randomQ();
}
void randomQ(){
  int i=int(random(QQ.length));
  Q=QQ[i];
  x=random(0,300);
  y=random(0,100);
}
String [] QQ={"void","setup","float","string","background","fill"};
String Q="hello",A="";
float x=100,y=100;
void draw(){
  background(0);
  fill(#FFFFFF);text(Q,x,y);
  fill(#FF0000); text(A,x,y);
  ellipse(200,550,20,20);
  float dx=(200-x),dy=(550-y),d=sqrt(dx*dx+dy*dy)*3;
  x+=dx/d;
  y+=dy/d;
  if(keyPressed){
    stroke(255,0,0);
    line(200,550,x,y);
  }
}
void keyPressed(){
  int i=A.length();
  if(key==Q.charAt(i)){
    A+=key;
    if(Q.equals(A)){
      randomQ();
      A="";
    }
  }
}