/* 15-100 D Homework #5
 Dae Hong Kim
 daek@andrew.cmu.edu
 */

void setup(){
  size(600, 600);  
  smooth();
  println("Homework #5");
  println("Moving the initials, DHK in four different ways");
  background(0);
  frameRate(60); // nunber of frames per second
}

void draw(){
  noStroke();

  drawUpperLeftQuadrant();
  drawLowerLeftQuadrant();

  drawUpperRightQuadrant();
  drawLowerRightQuadrant();
}


void drawUpperLeftQuadrant(){
  float initialWidth = width/20*3;  // initialWidth <= the total width of all three initials
  float initialHeight = height/20; // initialHeight <= the height of the initials
  fill(255, 0, 0);
  noStroke();
  rect(0, 0, width/2, height/2);
  drawInitials((frameCount%(width/2 + initialWidth)) - initialWidth, height/6, initialWidth/3, initialHeight);
  drawInitials((width/2 + initialWidth) - frameCount%(width/2 + initialWidth) - initialWidth, height/3, initialWidth/3, initialHeight);
}

void drawLowerLeftQuadrant(){
  float initialWidth = width/20*3;
  float initialHeight = height/20;
  fill(0, 255, 0);
  noStroke();
  rect(0, height/2, width/2, height);
  drawInitials(width/20, ((frameCount%(height/2 - initialHeight))) + height/2, initialWidth/3, initialHeight);
  drawInitials(width/3.5, ((height/2 - initialHeight) - (frameCount%(height/2 - initialHeight))) + height/2, initialWidth/3, initialHeight);  
}

void drawUpperRightQuadrant(){
  float initialWidth = width/20*3;
  float initialHeight = height/20;
  fill(0, 0, 255);
  noStroke();
  rect(width/2, 0, width, height/2);
  drawInitials((frameCount%(width/2 - initialWidth)) + width/2, frameCount%(height/2 - initialHeight), initialWidth/3, initialHeight);
  drawInitials(((width/2 - initialWidth) - (frameCount%(width/2 - initialWidth))) + width/2, frameCount%(height/2 - initialHeight), initialWidth/3, initialHeight);
}

void drawLowerRightQuadrant(){
  float initialWidth = width/20*3;
  float initialHeight = height/20;
  fill(100);
  noStroke();
  rect(width/2, height/2, width, height);
  drawInitials((frameCount%(width/2 - initialWidth)) + width/2, ((height/2 - initialHeight) - (frameCount%(height/2 - initialHeight))) + height/2, initialWidth/3, initialHeight);
  drawInitials(((width/2 - initialWidth) - (frameCount%(width/2 - initialWidth))) + width/2, ((height/2 - initialHeight) - (frameCount%(height/2 - initialHeight))) + height/2, initialWidth/3, initialHeight);
}

// method drawInitials( x coordinate,  y coordinate,  width of each initial,  height of each initial)
void drawInitials(float x, float y, float initialWidth, float initialHeight){

  // Draw Initial D
  noFill();
  stroke(10, 188, 100);
  strokeWeight(5);
  beginShape();
  curveVertex(x, y);
  curveVertex(x + initialWidth * 2/10, y);
  curveVertex(x + initialWidth * 4/10, y + initialHeight * 2/10);
  curveVertex(x, y + initialHeight * 6/10);
  curveVertex(x + initialWidth * 3/10, y + initialHeight);
  curveVertex(x + initialWidth * 3/10, y + initialHeight);
  endShape();

  beginShape();
  curveVertex(x, y);
  curveVertex(x                    , y + initialHeight * 2/10 );
  curveVertex(x + initialWidth * 6/10, y + initialHeight * 1/10);
  curveVertex(x + initialWidth * 8/10, y + initialHeight * 3/10);
  curveVertex(x + initialWidth * 9/10, y + initialHeight * 5/10);
  curveVertex(x + initialWidth * 8/10, y + initialHeight * 7/10);
  curveVertex(x + initialWidth * 4/10 , y + initialHeight * 8/10);
  curveVertex(x                     , y + initialHeight * 8/10 );
  curveVertex(x                     , y + initialHeight * 8/10 );  
  endShape();

  // Draw initial H
  stroke(70, 18, 170);
  x += initialWidth;
  beginShape();
  curveVertex(x, y);
  curveVertex(x, y);
  curveVertex(x + initialWidth * 3/10, y + initialHeight * 2/10);
  curveVertex(x + initialWidth * 2/10 , y + initialHeight * 5/10 );
  curveVertex(x + initialWidth * 3/10, y + initialHeight * 8/10);
  curveVertex(x + initialWidth * 1/10, y + initialHeight);
  curveVertex(x + initialWidth * 1/10, y + initialHeight);
  endShape();

  beginShape();
  curveVertex(x + initialWidth * 9/10, y);
  curveVertex(x + initialWidth * 9/10, y);
  curveVertex(x + initialWidth * 7/10, y + initialHeight * 4/10);
  curveVertex(x + initialWidth * 7/10, y + initialHeight * 7/10);
  curveVertex(x + initialWidth * 8/10, y + initialHeight);
  curveVertex(x + initialWidth * 8/10, y + initialHeight);
  endShape();

  beginShape();
  curveVertex(x, y + initialHeight * 6/10);
  curveVertex(x, y + initialHeight * 6/10);
  curveVertex(x + initialWidth * 2/10, y + initialHeight * 5/10);
  curveVertex(x + initialWidth * 4/10, y + initialHeight * 6/10);
  curveVertex(x + initialWidth * 6/10, y + initialHeight * 5/10);
  curveVertex(x + initialWidth * 8/10, y + initialHeight * 6/10);
  curveVertex(x + initialWidth * 8/10, y + initialHeight * 6/10);
  endShape();

  //Draw initial K
  stroke(150, 90, 200);
  x += initialWidth;
  beginShape();  
  curveVertex(x, y);
  curveVertex(x + initialWidth * 2/10, y + initialHeight * 2/10);
  curveVertex(x + initialWidth * 3/10, y + initialHeight * 3/10);
  curveVertex(x + initialWidth * 2/10, y + initialHeight * 5/10);
  curveVertex(x, y + initialHeight * 4/10);
  curveVertex(x + initialWidth * 1/10, y + initialHeight * 1/10);
  curveVertex(x + initialWidth * 3/10, y);
  curveVertex(x + initialWidth * 5/10, y + initialHeight * 2/10);
  curveVertex(x + initialWidth * 5/10, y + initialHeight * 6/10);
  curveVertex(x + initialWidth * 3/10, y + initialHeight * 7/10);
  curveVertex(x, y + initialHeight);
  curveVertex(x, y + initialHeight * 8/10);
  curveVertex(x, y + initialHeight * 8/10);
  endShape();

  beginShape();
  curveVertex(x + initialWidth, y);
  curveVertex(x + initialWidth, y);
  curveVertex(x + initialWidth * 7/10, y + initialHeight * 6/10);
  curveVertex(x + initialWidth * 5/10, y + initialHeight * 5/10);
  curveVertex(x + initialWidth * 6/10, y + initialHeight * 3/10);
  curveVertex(x + initialWidth * 8/10, y + initialHeight);
  curveVertex(x + initialWidth, y + initialHeight * 9/10);
  curveVertex(x + initialWidth * 8/10, y + initialHeight * 8/10);
  curveVertex(x + initialWidth * 8/10, y + initialHeight * 8/10);
  endShape();
}