/*
* Author: Laurie Waxman
* Date: 18.03.2013
* Class: PUDT 1203 Creative Computing
* 
* Draws randomized (and often freaky) bunnies on a field of grass.
* Demonstrates knowledge of loops, conditional statements and functions. 
*/


PImage grass1; 
PImage grass2; 
PImage grass3; 
float scene;

float xPos; 
float yPos; 
float eyeWidth;
float headWidth;
float bodyWidth;


void setup(){
  size(800, 800);
  noStroke();
  background(84, random(100, 200), 72);
  grass1 = loadImage("grass1.jpg");  
  grass2 = loadImage("grass2.jpg");  
  grass3 = loadImage("grass3.jpg");  
}


void draw(){
  
  //picks 1 of 3 grass backgrounds
  scene = random(0, 10);
  if(scene >= 0 && scene <= 3){
       image(grass1, 0, 0);
  }else if(scene > 3 && scene <= 6){
       image(grass2, 0, 0);
  }else if(scene > 6 && scene < 10){
       image(grass3, 0, 0);
  }
  
  //repeats and randomizes bunnies
  for(int b=0; b<20; b++){
    for(int i=0; i<20; i++){
      xPos = b*(random(150, 200)); //randomize bunny position
      yPos = i*(random(150, 200));
      eyeWidth = random(25, 35); //eye width
      headWidth = random (60, 70); //body width
      bodyWidth = random (80, 100);
      bunny(xPos, yPos); //calls on bunny function
    }
  }
  
  noLoop(); //stops you going blind from hundreds of bunnies blinking across the page

}


//function to draw a bunny with randomizing features
// that has variable x and y coordinates so it can be 
//redrawn over and over in different places
void bunny(float x, float y){
  smooth();
   
  //body
  fill(random(0, 200));  
  ellipse(x, y+50, bodyWidth, bodyWidth);
  
  //randomizes some bunnies to have floppy ears
  if(random(0, 20) < 3){ // draw floppy ears
    //right
    beginShape();
    vertex(x+5, y-15);
    bezierVertex(x-25, y-30, x-40, y-65, x-70, y+20);
    vertex(x-70, y+20);
    bezierVertex(x-60, y+25, x-40, y-15, x-30, y-20);
    endShape();
   
    //left
    beginShape();
    vertex(x-5, y-15);
    bezierVertex(x+25, y-30, x+40, y-65, x+70, y+20);
    vertex(x+70, y+20);
    bezierVertex(x+60, y+25, x+40, y-15, x+30, y-20);
    endShape();
  } else{ // draw straight ears
    //right
    beginShape();
    vertex(x-5, y-5);
    bezierVertex(x-6, y-15, x-8, y-70, x-30, y-90);
    vertex(x-30, y-90);
    bezierVertex(x-40, y-75, x-30, y-40, x-20, y-5);  
    endShape();

    //left
    beginShape();
    vertex(x+5, y-5);
    bezierVertex(x+5, y-5, x+8, y-70, x+30, y-90);
    vertex(x+30, y-90);
    bezierVertex(x+40, y-75, x+30, y-40, x+20, y-5);  
    endShape();
  }

  //head
  ellipse(x, y+5, headWidth, headWidth);   
  
  //feet
  ellipse(x-28, y+50+(bodyWidth/2), 50, 20);
  ellipse(x+28, y+50+(bodyWidth/2), 50, 20);
  ellipse(x-35, y+35+(bodyWidth/2), 50, 20);
  ellipse(x+35, y+35+(bodyWidth/2), 50, 20);
  
 //eyes 
  fill(255);
  ellipse(x-17, y, eyeWidth, eyeWidth);
  ellipse(x+17, y, eyeWidth, eyeWidth);
  fill(random(50, 120), random(50, 150), random(0, 120)); //irises
  ellipse(x-17, y, eyeWidth-10, eyeWidth-10);
  ellipse(x+17, y, eyeWidth-10, eyeWidth-10);
  fill(0);  //pupils
  ellipse(x-17, y, 10, 10);
  ellipse(x+17, y, 10, 10);

  //nose  
  fill(222, 136, 210);
  ellipse(x, y+15, 20, 10);
}