import processing.opengl.*;

float a = 600;
float b = 200;
float nummeans = 2;
float x = 0;
float y = 0;

void setup() {

  size(800, 600, OPENGL);
  noStroke();
  noFill();
  //smooth();
  hint(ENABLE_OPENGL_4X_SMOOTH);

}


void draw() {


  
background(0);
translate(width/2,height/2,10);



stroke(255);
strokeWeight(4);
rectMode(CENTER);
fill(0);

quad(100-y,-150,300-y,-150,300-y,150,100-y,150);
line(100-y,-150,300-y,150);

quad(-100,-150,100,-150,100,150,-100,150);
line(-100,-150,100,150);

quad(-300+x,-150,-100+x,-150,-100+x,150,-300+x,150);
line(-300+x,-150,-100+x,150);

stroke(0,255,0);
line(-300+x,-150,-100+x,(1.5*x)-150);

stroke(0,0,255);
line(-100+x,(1.5*x)-150,100,(1.5*y)-150);

stroke(255,0,0);
line(-300+x,-150,300-y,0);


}


void keyPressed() {
  if (key == CODED) {
    if (keyCode == UP) {
      x = x+1;
    } 
    else if (keyCode == DOWN) {
      x = x-1;
    } 
    else if (keyCode == RIGHT) {
      y = y+1;
    } 
    else if (keyCode == LEFT) {
      y = y -1;
    } 
    else if (keyCode == SHIFT){
      x = 0;
      y = 0;
      }
  }
}