From 40fb446348c29e23fb3511c9c48e19a3e29a9314 Mon Sep 17 00:00:00 2001
From: lee2sman <leetusman@gmail.com>
Date: Sun, 7 Feb 2021 03:14:11 -0500
Subject: [PATCH] add setpos() command

---
 lib/plogo.js | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/lib/plogo.js b/lib/plogo.js
index ff2c70d..583f5d8 100644
--- a/lib/plogo.js
+++ b/lib/plogo.js
@@ -17,6 +17,24 @@ function resetDefaults() {
 	x = width / 2; //start turtle in center
 	y = height / 2;
 }
+function setpos(_newX, _newY, startx = x, starty = y) {
+	let newX = _newX;
+	let newY = _newY;
+
+	if (drawing) {
+		line(startx, starty, newX, newY);
+	}
+	x = newX;
+	y = newY;
+
+	try {
+		if ((_newX == "") || (_newY == "")) throw "is missing input x,y coordinates";
+		if (isNaN(_newX) || (isNaN(_newY))) throw "requires: x,y input coordinates";
+		if ((_newX < 0) || (_newY < 0) || (_newX > windowWidth) || (_newY > windowHeight)) throw "drawing offscreen";
+	} catch (err) {
+		console.log("Error: setpos " + err);
+	}
+}
 function forward(d, startx = x, starty = y, _angle = 360 - angle) {
 	let newX = startx + d * sin(_angle);
 	let newY = starty + d * cos(_angle);