graflow: fix1 to ortho wires

bzGraflow.js

@@ -499,14 +499,19 @@ class BZgraflow extends Buildoz{
             return(`M ${x1} ${y1} C ${c1x} ${c1y}, ${c2x} ${c2y}, ${x2} ${y2}`)
         }
         if(wireType === 'straight') {
-            console.log('straight')
-            // Straight segments through the same control points
             return(`M ${x1} ${y1} L ${c1x} ${c1y} L ${c2x} ${c2y} L ${x2} ${y2}`)
         }
-        return('')
+        if(wireType === 'ortho') {
-        //return(`M ${x1} ${y1} C ${c1x} ${c1y}, ${c2x} ${c2y}, ${x2} ${y2}`)
+            let path = `M ${x1} ${y1} `
+            if(['n', 's'].includes(port1.direction)) {
+                path += `V ${(c1y+c2y)/2} H ${c2x} V ${y2}` 
+            } else {
+                path += `H ${(c1x+c2x)/2} V ${c2y} H ${x2}`
+            }
+            return(path)
+        }
+        return('')
     }
-
     linkInterNodes(idNode1, idPort1, idNode2, idPort2, interNodes, orientation='horizontal') {
         const tension = parseInt(this.getBZAttribute('tension')) || 60
         const wireType = this.getBZAttribute('wiretype') || 'bezier'
@@ -541,7 +546,16 @@ class BZgraflow extends Buildoz{
             if(wireType === 'straight') {
                 return(`L ${c1x} ${c1y} L ${c2x} ${c2y} L ${x2} ${y2}`)
             }
-            return(`C ${c1x} ${c1y}, ${c2x} ${c2y}, ${x2} ${y2}`)
+            if(wireType === 'ortho') {
+                let path = `M ${x1} ${y1} `
+                if(['n', 's'].includes(port1.direction)) {
+                    path += `V ${(c1y+c2y)/2} H ${c2x} V ${y2}` 
+                } else {
+                    path += `H ${(c1x+c2x)/2} V ${c2y} H ${x2}`
+                }
+                return(path)
+            }             
+            return(``)
         }
 
         // Start/end points in SVG coords (works for both bezier and line)