import peasy.org.apache.commons.math.*;
import peasy.*;
import peasy.org.apache.commons.math.geometry.*;

PeasyCam camera;
float ellipseRadius = 20;
float ang = 0;
float ellipseDetail = 40;
float initCoords[][] = new float[3][int(ellipseDetail)+1];
float steps,stepSize;
float cylHeight=200;
float greatAngle=180;
float jStepDec,jAngleSec, jAngRad;


void setup(){
  size(600, 600, P3D);
  //size(400, 400, P3D);
  camera = new PeasyCam(this,width/2,height/2,0,int((height/2.0)/tan(PI*60.0/360)));
  background(100);
  steps=20;
  noFill();
  stroke(10);
  stepSize=cylHeight/steps;
}

void draw(){
 
  ang=0;
  background(255);
  translate(width/2, height/2, 0);
  beginShape();
  for (float j=0; j<steps; j++) {

    //To be used for spring curvature (BUT HOW)
    jStepDec=j/steps;
    jAngleSec=greatAngle*jStepDec;
    jAngRad=radians(jAngleSec);

    for (int i=0; i<=ellipseDetail; i++){

      initCoords[0][i] = sin(radians(ang))*ellipseRadius + cos(radians(ang))*ellipseRadius;
      initCoords[1][i] = j*stepSize;
      initCoords[2][i] =  cos(radians(ang))*ellipseRadius - sin(radians(ang))*ellipseRadius;
      ang+=360.0/ellipseDetail;
     
      point(initCoords[0][i],initCoords[1][i],initCoords[2][i]);
    }
  }
 
  endShape();
}