/*Erica D. Cochran
ericac@andrew.cmu.edu
Section B
Copyright © Erica D. Cochran
September 27, 2009
Carnegie Mellon University
Exploring Programming with Graphics
All Rights Reserved
*/


PFont f1;
PFont f2;
float x, y, speed, iw, ih;


void setup( )
{
  size( 500, 500  );
  smooth( );
  background( 10 ); 
 
  speed = 10;
  iw = width*.2;
  ih = height*.2;
  x = width/2.5;
  y = height/2.5;
  f1 = loadFont("f1.vlw");
  f2 = loadFont("f2.vlw");
}


void draw( )
{
   fill( 0, 10 );
   rect( 0, 0, width, height );
   
  moveInitials ();
  showDirections ();
  showSpeed ();
}


void drawInitials(float x, float y, float iw, float ih)
{
//Letter E of initials
noFill();
beginShape();
strokeWeight(1);
stroke(250,70,150);
curveVertex(x+(.3*iw),y+(.23*ih));
curveVertex(x+(.3*iw),y+(.23*ih));
curveVertex(x+(.2*iw),y+(.167*ih));
curveVertex(x+(.05*iw),y+(.33*ih));
curveVertex(x+(.175*iw),y+(.53*ih));
curveVertex(x+(.2*iw),y+(.58*ih));
curveVertex(x+(.2*iw),y+(.58*ih));
endShape();

//midpoint
beginShape();
strokeWeight(1);
stroke(250,40,100);
curveVertex(x+(.2*iw),y+(.58*ih));
curveVertex(x+(.2*iw),y+(.58*ih));
curveVertex(x+(.175*iw),y+(.633*ih));
curveVertex(x+(.05*iw),y+(.833*ih));
curveVertex(x+(.2*iw),(y+ih));
curveVertex(x+(.3*iw),y+(.833*ih));
curveVertex(x+(.3*iw),y+(.833*ih));
endShape();

//Letter D
//Vertical part of letter
beginShape();
strokeWeight(1);
stroke(255,200,70);
curveVertex(x+(.375*iw),y+(.167*ih));
curveVertex(x+(.375*iw),y+(.167*ih));
curveVertex(x+(.425*iw),y+(.58*ih));
curveVertex(x+(.375*iw),y+ih);
curveVertex(x+(.375*iw),y+ih);
endShape();
//Curved part of letter
beginShape();
strokeWeight(1);
stroke(25,255,10);
curveVertex(x+(.375*iw),y+(.167*ih));
curveVertex(x+(.375*iw),y+(.167*ih));
curveVertex(x+(.625*iw),y+(.58*ih));
curveVertex(x+(.375*iw),y+ih);
curveVertex(x+(.375*iw),y+ih);
endShape();

//Letter C
//Top Swirl of C
beginShape();
strokeWeight(1);
stroke(105,100,255);
curveVertex(x+(.96*iw),y+(.26*ih));
curveVertex(x+(.96*iw),y+(.26*ih));
curveVertex(x+(.975*iw),y+(.25*ih));
curveVertex(x+(.96*iw),y+(.23*ih));
curveVertex(x+(.95*iw),y+(.26*ih));
curveVertex(x+(.975*iw),y+(.3*ih));
curveVertex((x+iw),y+(.23*ih));
curveVertex((x+iw),y+(.23*ih));
endShape();
//Big curved protion of letter C
beginShape();
strokeWeight(1);
stroke(15,205,255);
curveVertex((x+iw),y+(.23*ih));
curveVertex((x+iw),y+(.23*ih));
curveVertex(x+(.875*iw),y+(.167*ih));
curveVertex(x+(.7*iw),y+(.58*ih));
curveVertex(x+(.875*iw),y+ih);
curveVertex((x+iw),y+(.83*ih));
curveVertex((x+iw),y+(.83*ih));
endShape();
//Bottom Swirl of C
beginShape();
strokeWeight(1);
stroke(105,100,255);
curveVertex((x+iw),y+(.83*ih));
curveVertex((x+iw),y+(.83*ih));
curveVertex(x+(.975*iw),y+(.76*ih));
curveVertex(x+(.94*iw),y+(.8*ih));
curveVertex(x+(.945*iw),y+(.83*ih));
curveVertex(x+(.97*iw),y+(.82*ih));
curveVertex(x+(.965*iw),y+(.80*ih));
curveVertex(x+(.965*iw),y+(.80*ih));
endShape();
}


void keyPressed( )
{
  if (keyCode == UP)
  {
    y=y-speed;
    loop();
  }
  else if (keyCode == DOWN)
  {
    y=y+speed;
    loop();
  }
  else if (keyCode == RIGHT)
  {
    x=x+speed;
    loop();
  }
  else if (keyCode == LEFT)
  {
    x=x-speed;
    loop();
  }
  else if (key == 'f')
  {
    speed = speed+1;
  }
  else if (key == 's')
  {
  speed = speed-1;
  }
  else if (key == 'i')
  {
   iw = iw+1;
   ih = ih+1;
  } 
  else if (key == 'd')
  {
   iw = iw-1;
   ih = ih-1; 
  }


else
{
  showError ();
}
  
}
 


void moveInitials ()
{
  drawInitials(x, y, iw, ih);
  if (x<(width-(width)) || y<(height-(height*1.025)) || x>(width-iw) || y>(height-ih))
  {
    showWarning (); 
  }
   
}



void showDirections ()
{
  fill (255,250,0);
  textFont (f1,15);
  text ("Arrow keys control directions", width*.32, height*.05);
  text ("[i] Increases Initials' Size   [d] Decreases Initials' Size", width*.1, height*.9);
  text ("[f] Key Goes Faster   [s] Key Goes Slower", width*.2, height*.95);
}



void showWarning ()
{
  fill (255,255,255,210);
  rect (width*.01, height*.01, width*.98, height*.98);
  fill (255,0,0);
  textFont(f2,60);
  text ("Initials Have Escaped!", width*.20, height*.5);
  strokeWeight (5);
  line (width/2, height/2, x+iw*.5, y+ih*.5);
  
}



void showError ()
{
  stroke (255,0,0);
  fill (0,0,255);
  rect(width*.01, height*.01, width*.98, height*.98);
  fill (255,0,0);
  textFont(f2,60);
  text ("Try Another Key!", width*.25, height*.2);
  noLoop();
  textFont(f2,30);
  text ("Press an Arrow Key", width*.35, height*.3);
  
}



void showSpeed ()
{
  fill (155,150,50);
  textFont(f1,20);
  text ("Speed", width*.02, height*.05); 
  text (speed, width*.02, height*.1);
  
}