// Homework 6
// Amy Nichols
// Section D
// aenichol@andrew.cmu.edu

PImage flower;
PFont font1;

void setup( )
{
  size( 600, 600 );
  background( 255 );
  
  println("Please press one of the following:");
  println("    [w] to see the while loop demonstration. ");
  println("    [d] to see the do loop demonstration. ");
  println("    [f] to see the for loop demonstration. "); 
  println("    [c] to clear the screen. ");
  
  flower = loadImage("flower.jpg");
  
  font1 = loadFont("font1.vlw");
  
}

void draw( )
{
   displayChoices( );
   
   if (key == 'w'  )
   {
       showWhile( );
   }
   
   else if ( key == 'd' )
   {
       showDo( );
   } 
 
   else if ( key == 'f' )
   {
       showFor( ); 
   }
  
   else if ( key == 'c' )
   {
       clearScreen( );
   }
   
   else if (frameCount > 1 )
   {
      displayError( );
   }
   
   noLoop( );
}

void keyPressed( )
{
 loop( ); 
}



void displayChoices( )
{
  textFont( font1, 20);
  fill( 0 );
  text( "Please press one of the following:", 10, 25 );
  text( "    [w] to see the while loop demonstration. ", 10, 45 );
  text( "    [d] to see the do loop demonstration. ", 10, 65 );
  text( "    [f] to see the for loop demonstration. ", 10, 85 ); 
  text( "    [c] to clear the screen. ", 10, 105 );
}

void showWhile( )
{
  int i = 0;
  float a = 0.0;
  float inc = PI/8;
  while( i < width )
  {       
    text("A", i, (.3*height)+2.5*sin(a)*30.0, width*.1, width*.1);
    i = i + 10; 
    a = a + inc; 
  }
  
  textFont( font1, 30);
  fill(  255, 0, 0 );
  text( "bonus!(sin)", width*.7, height*.10); 
}


void showDo( )
{
  
  int j = 0;
  float a = 0.0;
  float inc = PI/5;
  
 
  do
  {
    image(flower, j, (.7*height)+cos(a)*80.0, width*.1, width*.1);
    j = j + 15;
    a = a + inc;
  }
   while( j < width );
  

  
  textFont( font1, 30);
  fill(  255, 0, 0 );
  text( "bonus!(cos)", width*.7, height*.15);   
}


void showFor( )
{

  for(  int k = 0 ;  k < width ;    k = k + 50 )
  {
     drawInitials( k, k, 50, 50);
  }
  
}


void clearScreen( )
{
 background( 255); 
 displayChoices( ); 
}


void displayError( )
{
   textFont( font1, 20);
   fill(  255, 0, 0 );
   text("You have pressed an incorrect key.", width/12, height*.6 );
}



void drawInitials(float x, float y, float initialWidth, float initialHeight)
  {
    stroke(#FCC11C);
    strokeWeight(initialWidth/12); // made this elastic too!
    noFill();
    
    // A curve
    beginShape();
      curveVertex(x - initialWidth/12, y + initialHeight + initialHeight/10);
      curveVertex(x, y + initialHeight);
      curveVertex(x + initialWidth/6, y);
      curveVertex(x + initialWidth/3, y + initialHeight);
      curveVertex(x + .42*initialWidth, y + initialHeight + initialHeight/10);
    endShape();

    // A "line"
    ellipse(x + initialWidth/6, y + .50*initialHeight, .17*initialWidth, .05*initialHeight); 

  stroke(#980BD6);
    // E top curve
    beginShape();
      curveVertex(x + .63*initialWidth, y + initialHeight + .30*initialHeight);
      curveVertex(x + .63*initialWidth, y + .25*initialHeight);
      curveVertex(x + .50*initialWidth, y);
      curveVertex(x + .38*initialWidth, y + .25*initialHeight);
      curveVertex(x + .50*initialWidth, y + .50*initialHeight);
      curveVertex(x + .58*initialWidth, y - .30*initialHeight);
    endShape();

    // E bottom curve
    beginShape();
      curveVertex(x + .63*initialWidth, y - .30*initialHeight);
      curveVertex(x + .63*initialWidth, y + .75*initialHeight);
      curveVertex(x + .50*initialWidth, y + initialHeight);
      curveVertex(x + .38*initialWidth, y + .75*initialHeight);
      curveVertex(x + .50*initialWidth, y + .50*initialHeight);
      curveVertex(x + .58*initialWidth, y + initialHeight + .30*initialHeight);
    endShape();
    
    stroke(#E01B43);
    // N left curve
    beginShape();
      curveVertex(x + .67*initialWidth, y - .10*initialHeight);
      curveVertex(x + .71*initialWidth, y);
      curveVertex(x + .75*initialWidth, y + .50*initialHeight);
      curveVertex(x + .71*initialWidth, y + initialHeight);
      curveVertex(x + .67*initialWidth, y + initialHeight + .10*initialHeight);
    endShape();

    // N right curve
    beginShape();
      curveVertex(x + initialWidth, y - .10*initialHeight);
      curveVertex(x + (initialWidth - .04*initialWidth), y);
      curveVertex(x + (initialWidth - .08*initialWidth), y + .5*initialHeight);
      curveVertex(x + (initialWidth - .04*initialWidth), y + initialHeight);
      curveVertex(x + initialWidth, y + initialHeight + .10*initialHeight);
    endShape();

    // N connector
    line(x + .71*initialWidth, y, x + (initialWidth - .04*initialWidth), y + initialHeight);
    
   }