// Homework 7
// Name: Dae Hong Kim
// Section: 15-100 D
// E-Mail: daek@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

float xCor = 0 ;
float yCor = 0;
float zCor = 0;
float xTheta = 0;
float yTheta = 0;
float zTheta = 0;
PFont f1;


void setup( )
{
    size( 500, 500, P3D );
    lights( );    
    f1 = loadFont("f1.vlw");
    textFont( f1 );
    lights( );

}// end of setup()


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:  
  drawInitials();
  
 // This is called after you have drawn your initial
  drawAxis( );
  
}// end of draw()



void drawInitials() // draw the 3D inital
{
  float boxSize = width/20; // 3D box size
  float boxSpace = boxSize*1.2; // space between boxes
  
  //println("My initial is H~!");
  
  translate(xCor, yCor, zCor); // nevigate boxes
  rotateX(radians(xTheta));
  rotateY(radians(yTheta));
  rotateZ(radians(zTheta));
  
  for(float z = -boxSpace; z <= boxSpace; z += boxSpace) // draw boxes in z cordinates
  {
    pushMatrix( );
    translate(0, 0, z);
    fill(random(255), random(255), random(255));
    box(boxSize);
  
    for(int count=0; count < 4; count++)
    {
      translate(boxSpace, 0, 0);
      fill(random(255), random(255), random(255));
      box(boxSize);
    }
  
    pushMatrix();
    for(int count=0; count < 4; count++){
      translate(0, -boxSpace, 0);
      fill(random(255), random(255), random(255));
      box(boxSize);
    }
  
    popMatrix();
    for(int count=0; count < 4; count++){
      translate(0, boxSpace, 0);
      fill(random(255), random(255), random(255));
      box(boxSize);
    } 
    popMatrix();
  
    pushMatrix();
    translate(0, 0, z);
    for(int count=0; count <4; count++){
      translate(-boxSpace, 0, 0);
      fill(random(255), random(255), random(255));
      box(boxSize);
    }
  
    pushMatrix();
    for(int count=0; count <4; count++){
      translate(0, -boxSpace, 0);
      fill(random(255), random(255), random(255));
      box(boxSize);
    }
    popMatrix();
    for(int count=0; count <4; count++){
      translate(0, boxSpace, 0);
      fill(random(255), random(255), random(255));
      box(boxSize);
    }
    popMatrix(); // back to the original coordinate
  
    pushMatrix( ); // save th original coordinate
    translate(0, -boxSpace, z);
    fill(random(255), random(255), random(255));
    box(boxSize);
  
    for(int count=0; count < 3; count++){
      translate(boxSpace, 0, 0);
      fill(random(255), random(255), random(255));
      box(boxSize);
    }
  
    for(int count=0; count < 3; count++){
      translate(0, -boxSpace, 0);
      fill(random(255), random(255), random(255));
      box(boxSize);
    }
    popMatrix();
  
    pushMatrix( ); // save th original coordinate
    translate(0, boxSpace, z);
    fill(random(255), random(255), random(255));
    box(boxSize);
  
    for(int count=0; count < 3; count++){
      translate(boxSpace, 0, 0);
      fill(random(255), random(255), random(255));
      box(boxSize);
    }
  
    for(int count=0; count < 3; count++){
      translate(0, boxSpace, 0);
      fill(random(255), random(255), random(255));
      box(boxSize);
    }
    popMatrix();
  
    pushMatrix( ); // save th original coordinate
    translate(0, -boxSpace, z);
    fill(random(255), random(255), random(255));
    box(boxSize);
  
    for(int count=0; count < 3; count++){
      translate(-boxSpace, 0, 0);
      fill(random(255), random(255), random(255));
      box(boxSize);
    }
  
    for(int count=0; count < 3; count++){
      translate(0, -boxSpace, 0);
      fill(random(255), random(255), random(255));
      box(boxSize);
    }
    popMatrix();
  
    pushMatrix( ); // save the original coordinate
    translate(0, boxSpace, z);
    fill(random(255), random(255), random(255));
    box(boxSize);
  
    for(int count=0; count < 3; count++){
      translate(-boxSpace, 0, 0);
      fill(random(255), random(255), random(255));
      box(boxSize);
    }
  
    for(int count=0; count < 3; count++){
      translate(0, boxSpace, 0);
      fill(random(255), random(255), random(255));
      box(boxSize);
    }
    popMatrix();
  } // end of for loop for drawing boxes in z cordinates
   
}// end of drawInitials()



void keyPressed()
{
  if (key == CODED) 
  {
    if (keyCode == UP)
    {
      xTheta -= 2;
    } 
    else if (keyCode == DOWN) 
    {
      xTheta += 2;
    } 
    else if (keyCode == LEFT)
    {
      yTheta += 2;      
    }
    else if (keyCode == RIGHT)
    {
      yTheta -= 2;      
    }

  }// end of if(key == CODED)
  
  else if(key == 'i')
  {
    zCor += 2;
  }
  else if(key == 'o')
  {
    zCor -= 2;
  }
  else if(key == 'r')
  {
    xCor -= 2;
  }
  else if(key == 'l')
  {
    xCor += 2;
  }
  else if(key == 'u')
  {
    yCor += 2;
  }
  else if(key == 'd')
  {
    yCor -= 2;
  }
  else if (key == '.')
  {
    zTheta += 2;
  }
  else if (key == ',')
  {
    zTheta -= 2;
  }
  else if (key == ' ') // press 'SPACE' to reset
  {
    xCor = 0 ;
    yCor = 0;
    zCor = 0;
    xTheta = 0;
    yTheta = 0;
    zTheta = 0;    
  }
  
}// end of keyPressed()



void drawAxis( )
{
  fill( 255 );
  sphere(1);
  stroke( 255, 0, 0 );
  strokeWeight( 1 );
  line(-(width*0.4), 0, 0, width*0.4, 0, 0);
  text( 'W', -(width*0.4), 0, 0);
  text( 'E', width*0.4, 0, 0);
  stroke( 0, 255, 0 );
  line( 0,  -(height*0.4), 0, 0, height*0.4, 0);
  text( 'N', 0, -(height*0.4), 0);
  text( 'S', 0,  height*0.4, 0);
  stroke(255, 255, 0 );
  line( 0, 0, -200, 0, 0, 200);
  text( 'F', 0, 0, 200);
  text( 'B', 0, 0, -200); 
}// end of drawAxis()