Final Circles and Arks

circlesVSarks.pde
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// import processing.pdf.*;
///////////////////////////////////////////////
/// Written by Ben Jack, 14th February 2011 ///
///////////////////////////////////////////////
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//what happens if you change these both to 50? what are they doing to the pattern?
 
 
int patternSeperationX = 100;
int patternSeperationY = 100;
 
 
void setup(){
   
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  size(400,800);
  
   //beginRecord(PDF, "circlearcs.pdf");
  background(0); 
 
  //the white box simply shows you the space your pattern gets drawn in
  noFill();
  noStroke();
  rect(0,0,patternSeperationX,patternSeperationY);
  stroke(0);
   
  for(int i = 0; i < width/patternSeperationX; i++){
      for(int j = 0; j < height/patternSeperationY; j++){
        pushMatrix();
        translate(i*patternSeperationX, j*patternSeperationY);
        yourFunction();
        popMatrix();
      }
  }
  
//endRecord(); 
}
 
 
void draw()
{
  //This is here so the program keeps running and the screengrab will work
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}
 
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void yourFunction(){
   
  //-------------------------------------YOUR PATTERN GOES IN HERE-------------------------------
  //try making pleasant designs :-)
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/*arc(50, 50, 100, 100, 0, PI);
arc(0, 0, 100, 100, 0, PI);
arc(100, 0, 100, 100, 0, PI);
*/
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smooth();
int x;
float a = 1;
float q= 100;
for(x = 100; x > 0; x=x-8)
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{
   color from= color(#070834);
color to = color(#90FFEA);
color fade = lerpColor(from,to,a); 
  a=a-0.08;
  q=q -20;
  noFill();
  strokeWeight(random(0.5,2));
  stroke(fade,q);
arc(50, 50, x+20, x+20, 0, PI);
arc(0, 0, x, x, 0, PI);
arc(100, 0, x, x, 0, PI);
ellipse(50,50,x,x);
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}
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}
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void keyPressed()
//Takes PNG screenshots when you push S
//Careful - doesn't prompt when overwriting files!
{
  if(key == 's' || key == 'S')
  {
    String filePath = selectInput("Saving PNG - Select or Type File Name");  // Opens file chooser
    if(filePath != null)
    {
      save(filePath + ".png");
    }
  }
​
}
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Archived Sketch
