// Homework 7
//  Name: Chongho Lee
//  Section: A
//  E-Mail: chonghol@andrew.cmu.edu

// DO NOT ALTER THE COMMENT THAT STARTS ON THE NEXT LINE -- DETAILS IN CLASS
/**
 <B>Lateral Motion Commands</B><P>
 <HR>
 move in ---- [i]<BR>
 move out --- [o]<P>
 move right - [r]<BR>
 move left -- [l]<P>
 move up ---- [u]<BR>
 move down -- [d]<P>
 <HR>

<B>Rotational Motion Commands</B><P>
 <HR>
 rotate left (y axis) --- [left arrow]<BR>
 rotate right(y axis) --- [right arrow]<P>
 rotate up ( x axis ) --- [up arrow]<BR>
 rotate down ( x axis ) - [down arrow]<P>
 rotate CCW ( z axis ) -- [,]<BR>
 rotate CW (z axis ) ---- [.] <P>
 <HR>
 reset to zero ---------- [space]<BR>
 <HR>
*/


// Declare gobal variables here

PFont f1;
float xPos = 0;
float yPos = 0;
float zPos = 0;
float xAng = 0;
float yAng = 0;
float zAng = 0;


void setup( )
{
    size( 500, 500, P3D );
    lights( );    
    f1 = loadFont("f1.vlw");
    textFont( f1 );
          
    background( #04075A );
    lights( );
    lights( );
    noStroke( );
}

void draw( )
{
  // This moves the (0,0,340) point to the center of the window
  // Do not remove or alter this line of code
  translate( width/2, height/2, 0 );  
  background( #04075A );
  
  // Do your initial translation and rotations here:
  drawInitial();
 
 
 // This is called after you have drawn your initial
 drawAxis( );

}

void keyPressed()
{
  if (key == 'i')
  {
     zPos += 5; 
  }
  else if (key == 'o')
  {
     zPos -= 5;    
  }
  else if (key == 'r')
  {
     xPos -= 5;
  }
  else if (key == 'l')
  {
     xPos += 5;
  }
  else if (key == 'u')
  {
     yPos += 5;    
  }
  else if (key == 'd')
  {
     yPos -= 5;
  }
  else if (key ==' ')
  {
    xPos = 0;
    yPos = 0;
    zPos = 0;
    xAng = 0;
    yAng = 0;
    zAng = 0;
  }
  else if (key == ',')
  {
     zAng -=5;
  }
  else if (key == '.')
  {
     zAng += 5; 
  }
  else if (key == CODED)
    {
      if (keyCode == LEFT)
      {
         yAng += 5;
      }
      if (keyCode == RIGHT)
      {
         yAng -= 5; 
      }
      if (keyCode == UP)
      {
         xAng -= 5; 
      }
      if (keyCode == DOWN)
      {
         xAng += 5; 
      }
    }
}




void drawInitial()
{
  // Drawing from the top-end of "C" to the bottom-end (anti-clockwise)
  
  noStroke();
  translate(xPos, yPos, zPos);
  rotateX(radians(xAng));
  rotateY(radians(yAng));
  rotateZ(radians(zAng));

  pushMatrix();
  translate( width*0.35, height*-0.35, -400);
  fill ( #4FD82A, 150);
  sphere ( 30 );
  popMatrix();

  pushMatrix();
  translate( width*0.35, height*-0.35, -400);
  fill ( #FF4C0A, 200);
  sphere ( 15 );
  popMatrix();

  pushMatrix();
  translate( width*0.15, height*-0.4, -200);
  fill ( #4FD82A, 150);
  sphere ( 30 );
  popMatrix();

  pushMatrix();
  translate( width*0.15, height*-0.4, -200);
  fill ( #FF4C0A, 200);
  sphere ( 15 );
  popMatrix();

  pushMatrix();
  translate( width*-0.05, height*-0.35, -100 );
  fill ( #4FD82A, 150);
  sphere ( 30 );
  popMatrix();

  pushMatrix();
  translate( width*-0.05, height*-0.35, -100 );
  fill ( #FF4C0A, 200);
  sphere ( 15 );
  popMatrix();

  pushMatrix();
  translate( width*-0.2, height*-0.25, -30 );
  fill ( #4FD82A, 150);
  sphere ( 30 );
  popMatrix();

  pushMatrix();
  translate( width*-0.2, height*-0.25, -30);
  fill ( #FF4C0A, 200);
  sphere ( 15 );
  popMatrix();

  pushMatrix();
  translate( width*-0.3, height*-0.1, 0);
  fill ( #4FD82A, 150);
  sphere ( 30 );
  popMatrix();

  pushMatrix();
  translate( width*-0.3, height*-0.1, 0);
  fill ( #FF4C0A, 200);
  sphere ( 15 );
  popMatrix();

  pushMatrix();
  translate( width*-0.3, height*0.1, 20);
  fill ( #4FD82A, 150);
  sphere ( 30 );
  popMatrix();

  pushMatrix();
  translate( width*-0.3, height*0.1, 20);
  fill ( #FF4C0A, 200);
  sphere ( 15 );
  popMatrix();

  pushMatrix();
  translate( width*-0.18, height*0.23, 50);
  fill ( #4FD82A, 150);
  sphere ( 30 );
  popMatrix();

  pushMatrix();
  translate( width*-0.18, height*0.23, 50);
  fill ( #FF4C0A, 200);
  sphere ( 15 );
  popMatrix();

  pushMatrix();
  translate( width*-0.01, height*0.25, 90);
  fill ( #4FD82A, 150);
  sphere ( 30 );
  popMatrix();

  pushMatrix();
  translate( width*-0.01, height*0.25, 90);
  fill ( #FF4C0A, 200);
  sphere ( 15 );
  popMatrix();

  pushMatrix();
  translate( width*0.13, height*0.15, 150);
  fill ( #4FD82A, 150);
  sphere ( 30 );
  popMatrix();

  pushMatrix();
  translate( width*0.13, height*0.15, 150);
  fill ( #FF4C0A, 200);
  sphere ( 15 );
  popMatrix();  
}



void drawAxis( )
{
  fill( 255 );
  sphere(1);
  stroke( 255, 0, 0 );
  strokeWeight( 1 );
  line( -200, 0, 0, 200, 0, 0);
  text( 'W', -200, 0, 0);
  text( 'E', 200, 0, 0);
  stroke( 0, 255, 0 );
  line( 0,  -200, 0, 0, 200, 0 );
  text( 'N', 0, -200, 0);
  text( 'S', 0,  200, 0);
  stroke(255, 255, 0 );
  line( 0, 0, -200, 0, 0, 200);
  text( 'F', 0, 0, 200);
  text( 'B', 0, 0, -200); 
}