// 6.914 HW3 #1

       
String filePath = "http://web.mit.edu/mish/Public/bells/";
PImage i1 = loadImage(filePath+"1.gif"), 
       i2 = loadImage(filePath+"2.jpg"), 
       i3 = loadImage(filePath+"3.jpg"), 
       i4 = loadImage(filePath+"4.gif"), 
       i5 = loadImage(filePath+"5.jpg"); 

void setup(){
  size(500, 500);
  colorMode(RGB, 100);
  
}

void draw(){
  background(0);
  // leftmost
  tint(100, 0, 0, 80);
  image(i1, 10, 100, i1.width/4, i1.height/4);
  
  tint(100, 100, 100, 80);
  image(i3, 70, 250, i3.width, i3.height);
  
  tint(30, 30, 90, 80);
  image(i4, 220, 0, i4.width, i4.height);
  
  tint(90, 30, 30, 80);
  image(i5, 100, 30, i5.width*.75, i5.height*.75);
  
  // rightmost
  tint(0, 0, 100, 80);
  image(i2, 350, 200, i2.width/2, i2.height/2);
}


// 6.914 HW3 #2

void setup(){
  size(300, 300);
  frameRate(10);
}

void draw(){
  background(255);
  
  translate(mouseX, mouseY);
  translate(random(-30, 30), random(-30, 30));
  rotate(random(-PI/3, PI/3));
  quad(0, 0, 4, 10, 10, 15, 9, 4);
}



// 6.914 HW3 #3

void setup(){
  size(100, 100);
  colorMode(HSB, 100);
  frameRate(3);
}

void draw(){
  for (int i = 0; i < 100; i++){
    for (int j = 0; j < 100; j++){
      // circle around mouse
      if (dist(mouseX, mouseY, i, j)<5){
        stroke((i + 50)%100, 100, 100-j);
      }
      // background
      else {
        stroke(i, 100, 100-j);
      }
      point(i, j);  
    }
  }
}




// 6.914 HW3 #4


char[] letters = new char[18];
int keyWidth = 20;
PFont myFont;

void setup(){
  for (int i = 0; i < letters.length; i++){
    letters[i] = ' ';
  }
  size(400, 80);
  myFont = createFont("Courier", 32);
  textFont(myFont);
  background(0);
  fill(255);
}

void draw(){
  // to make the program keep looping
}

void keyPressed(){
  if (key != CODED && key != BACKSPACE){
    background(0);
    // fix array
    for (int i = 1; i < letters.length; i++)
      letters[i-1] = letters[i];
    // add current key
    letters[letters.length-1] = key;
    // printing all letters
    for (int i = 0; i < letters.length; i++)
      text(letters[i], 20+keyWidth*i, 50);
  }
}





// 6.914 HW3 #5

// petalCount can be updated to change drawing
int turnsSoFar = 0, petalCount = 11;
PFont myFont;
void setup(){
  size(300, 300);
  smooth();
  myFont = createFont("Courier", 20);
  textFont(myFont);
}

void draw(){
  background(255);

  /// the word turn
  fill(0, 0, 200);
  text("turn", width-55, height-5);

  // apply these transformations to everything else
  pushMatrix();
  translate(width/2, height/2);
  rotate(turnsSoFar*(PI/4));

  // the stem
  stroke(0, 200, 0);
  line(0, 0, 0, height/2);

  // the leaves
  fill(0, 200, 0);
  pushMatrix();
  translate(0, height/3);
  // draw left leaf, -x
  quad(0, 0, -5, 0, -40, -40, 0, -5);
  // draw right leaf, +x
  quad(0, 0, 5, 0, 40, -40, 0, -5);
  popMatrix();

  // the petals
  pushMatrix();
  noStroke();
  fill(255, 0, 100); 
  for (int i = 0; i < petalCount; i ++){
    // rotate around top of flower
    rotate((2*PI)/petalCount);
    // draw petal
    quad(0, 0, 10, 0, 30, 30, 0, 10);
  }

  //transform back from petals
  popMatrix();

  // middle of flower
  fill(255, 255, 0);
  ellipse(0, 0, 18, 18);

  // transform back overall
  popMatrix();

}

void mousePressed(){
  // if clear is pressed
  if (mouseX > 55 && mouseY > width-30){
    // turn flower
    turnsSoFar++;
  }
}




// 6.914 HW3 #6


int currentHue, circleOn = 0;

void setup(){
  size(500, 500);
  colorMode(HSB, 100);
  noStroke();
}

void draw(){
  background(0, 0, 0);
  translate(width/2, height/2);
  for (int i = 5; i>0; i--){
    currentHue = i*15;
    pushMatrix();
    scale(i);
    for (int j = 100; j > 0; j-=4){
      fill(currentHue, j, 100-j);
      ellipse(0, 0, j, j);
    }
    popMatrix();
  }

}