/*Erica D. Cochran
Section B
ericac@andrew.cmu.edu
Copyright © Erica D. Cochran
September 16, 2009
Carnegie Mellon University
Exploring Programming with Graphics
All Rights Reserved
*/

float x, y, eWidth,eHeight;


void setup( )
{
  size(400, 400);
  smooth( );
  background (250);
  frameRate(40);
  
  eWidth=.15*width;
  eHeight=.15*width;

}

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 draw( )
{
   // These two lines of code cause the initials to fade out over time.
   fill( 0, 5 );
   rect( 0, 0, width, height );
   
   y = 0;
   drawInitials((frameCount % (width-eWidth)), y, eWidth, eHeight);
   
   y = (.85*height);
  drawInitials((width-eWidth) -(frameCount % (width-eWidth)), y, eWidth, eHeight);
   
   x=0;
    drawInitials(x, (width-eWidth)-(frameCount % (width-eWidth)), eWidth, eHeight);
   
   x=(.85*width);
    drawInitials(x, (frameCount % (width-eWidth)), eWidth, eHeight);
   
   drawInitials(random(.16*width,.15*width+width-2.5*eWidth), random(.16*height,.15*height+height-2.5*eHeight), random(.2*(width-2*eWidth),.35*(width-2*eWidth))-eWidth, random(.2*(height-2*eHeight),.35*(height-2*eHeight))-eHeight);
   
   //rect (.15*width,.15*height, width-2*eWidth, height-2*eHeight); //boundary
 
}
 // This stops the repeated call of draw when the user presses the mouse button.
void mousePressed( )
{
   noLoop( ); 
   println("Animation stopped.");
}

 // This restarts the repeated call of draw when the user presses any key on the keyboard.
void keyPressed( )
{
   loop( ); 
   println( "Animation re-started.");
}