public class Atom {

  String name;
  float atom_x = 0;
  float atom_y = 0; 
  float atom_speed = .05; 
  int atom_direction = 1; 
  int a = 0;

  Atom (String n){
    name = n;
  }  

  float singraph2(float ba) { 
    ba = (ba - 0.5) * 1; //scale from -1 to 1 
    ba = sin(ba*PI)/2 + 0.5; 
    return ba; 
  } 

  void renderAtom(int f, char l) {
    pushMatrix();
    translate(atom_x, atom_y);
    fill(f);
    text(l, 0, 0);
    popMatrix(); 
  }


  void spinAtom() {
    a += (PI/2);
    rotateY(a);
  }

}