// sketch.js var xC; // orbit center var yC; function setup() { var cnv = createCanvas(640, 400); cnv.position(24, 140); background(0, 0, 255); xC = width/2; yC = height/2; } //setup function draw() { strokeWeight(3); point(xC, yC); drawCentralPoint(); } //draw function drawCentralPoint() { strokeWeight(3); point(xC, yC); } //drawCentralPoint