// suggests x,y,[z] for WEBGL

​

​

function setup() {

  createCanvas(400, 400, WEBGL);

}

​

function draw() {

  background(220);

//  point(30,30,-20);    //TypeError: object.params[i] is undefined (sketch: line 11)

//  line(0,0,0,20,20,20) //TypeError: object.params[i] is undefined (sketch: line 12)

}

​