/**
an aquarium by <a href="http://www.local-guru.net/blog/">guru</a><br/>
and mona
*/
PImage fish;
PImage p1,p2,p3,p4;

int pos = 300;
int dir = -3;


void setup() {
  size(300,300);
  fish = loadImage( "mini_fish.png" );
  p1 = loadImage("wasserpflanze1.png");
  p2 = loadImage("wasserpflanze2.png");
  p3 = loadImage("wasserpflanze3.png");
  p4 = loadImage("wasserpflanze4.png");
  frameRate(25);
  
}

void draw() {
  background(200,200,255);
  image(p1,250,height - p1.height );
  image(p2,90,height - p2.height );


  
  float h = 150 + sin(float(frameCount)/10) * 30;
  if (dir < 0) {
    image(fish, pos,h,100,70);
  } else {
    pushMatrix();
    scale(-1,1);
    image(fish, -fish.width-pos,h,100,70);
    popMatrix();
  }
  image(p3,20,height - p3.height );  
  image(p4,170,height - p4.height );
  
  pos+=dir;
  if (pos <= -fish.width) {
    dir = dir * -1;
  }
  if (pos >= width) {
    dir = dir * -1;
  }  
}