PImage wolf1, wolf2, wolf3;
float frame = 0;

void setup(){
  size(1024,683);
  wolf1 = loadImage("wolf_test1.png");
  wolf2 = loadImage("wolf_test2.png");
  wolf3 = loadImage("wolf_test3.png");
  background(wolf2);
}

void draw(){
 image(wolf2, 0, 0);
 frame+=1.5;
 if (frame > 150 && frame < 180){
 println(frame);
  tint(255,255,255,frame-160);
  image(wolf3, 250, 166);
 }
 else if(frame >=180){
    frame+=6.5;
  println(frame);
  tint(255,255,255,frame-160);
  image(wolf3, 250, 166);
 }
 
 }