diff --git a/index.html b/index.html
index 0ea0a4d..baf458b 100644
--- a/index.html
+++ b/index.html
@@ -3124,30 +3124,63 @@ function onNextPinchSplitReader(){
 	}, 50) // relatively cheap check, filtering on small array
 }
 
-function addConnectorsToCodeEditor( codeEditor ){
+function addConnectorsToCodeEditor( codeEditor, input=true, output=true){
 	let el = codeEditor.element
 	el.addEventListener("object3dset", e => {
 		el.object3D.children[0].addEventListener("synccomplete", e => {
 			b = el.object3D.children[0]._textRenderInfo.blockBounds
 			w = b[2]-b[0]
 			h = b[3]-b[1]
-			el.setAttribute("line__input", `start: 0 0 0; end : -1 1 0; opacity: 1;`)
-			el.setAttribute("line__input__end", `start: -1 1 0; end : -2 1 0; opacity: 1;`)
-			el.setAttribute("line__output", `start: ${w} ${-h} 0; end : ${w+1} ${-h-1} 0; opacity: 1;`)
-			el.setAttribute("line__output__end", `start: ${w+1} ${-h-1} 0; end : ${w+2} ${-h-1} 0; opacity: 1;`)
+			// this assumes an axis aligned entity, which is correct until now
+			if (input){
+				el.setAttribute("line__input", `start: 0 0 0; end : -1 1 0; opacity: 1;`)
+				el.setAttribute("line__input__end", `start: -1 1 0; end : -2 1 0; opacity: 1;`)
+			}
+			if (output){
+				el.setAttribute("line__output", `start: ${w} ${-h} 0; end : ${w+1} ${-h-1} 0; opacity: 1;`)
+				el.setAttribute("line__output__end", `start: ${w+1} ${-h-1} 0; end : ${w+2} ${-h-1} 0; opacity: 1;`)
+			}
 		})
 	})
 	return el
 }
 
+function checkConnectors( a, b ){
+	const connectionThreshold = 1 // to adjust after tries in VR, should probably be much shorter
+	const far = 999
+	let i1 = new THREE.Vector3(far,far,far)
+	let i2 = new THREE.Vector3(far,far,far)
+	let o1 = new THREE.Vector3(far,far,far)
+	let o2 = new THREE.Vector3(far,far,far)
+	a.element.getObject3D('line__input')?.getWorldPosition(i1)
+	b.element.getObject3D('line__input')?.getWorldPosition(i2)
+	a.element.getObject3D('line__output__end')?.getWorldPosition(o1)
+	b.element.getObject3D('line__output__end')?.getWorldPosition(o2)
+	let links = []
+	if ( i2.distanceTo(o1) < connectionThreshold ){
+		links.push({source:a, target:b})
+	}
+	if ( i1.distanceTo(o2) < connectionThreshold ){
+		links.push({source:b, target:a})
+	}
+	return links
+}
+
 // used for testing
 AFRAME.registerComponent('startfunctions', {
   init: function () {
 	document.body.addEventListener( "highlighterready", (e) => { 
-		let ed = addCodeEditor( 'function NodalTestSquare(x){ return x*x}', 'javascript', '-.3 2.2 -.8')
-		addConnectorsToCodeEditor( ed )
-		let ed2 = addCodeEditor( 'function NodalPrintToJXR(x){ addNewNote(x) }', 'javascript', '.4 1.9 -.8')
-		addConnectorsToCodeEditor( ed2 )
+		let ed1 = addCodeEditor( 'function NodalTestSquare(x){ return x*x}', 'javascript', '-.3 2.2 -.8')
+		addConnectorsToCodeEditor( ed1 )
+// testing multiline
+		let ed2 = addCodeEditor( `function NodalPrintToJXR(x){
+	addNewNote(x)
+}`, 'javascript', '.4 1.9 -.8')
+		addConnectorsToCodeEditor( ed2, true, false )
+		let ed3 = addCodeEditor( 'function NodalTestRandom(){ return Math.random()}', 'javascript', '-.8 2.5 -.8')
+		addConnectorsToCodeEditor( ed3, false, true)
+		setTimeout( _ => console.log( checkConnectors( editors[0], editors[2] ) ), 1000 )
+		// should be done after each codeEditors gets connectors added then on editor moves
 	}, false);
 	//startExperience()
 	//doublePinchToScale()