From: Marko Luukkainen <marko.luukkainen@semantum.fi>
Date: Tue, 29 Oct 2019 12:01:58 +0000 (+0200)
Subject: Prevent Tube shape failing with provided tangents.
X-Git-Tag: v1.43.0~162^2~1
X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F18%2F3418%2F1;p=simantics%2F3d.git

Prevent Tube shape failing with provided tangents.

gitlab #40

Change-Id: Ifd0977dc38885e5fbc6d5470dba6f16fd5a53a5b
---

diff --git a/org.simantics.g3d/src/org/simantics/g3d/shape/Tube.java b/org.simantics.g3d/src/org/simantics/g3d/shape/Tube.java
index 6b1bf618..a3c9dd19 100644
--- a/org.simantics.g3d/src/org/simantics/g3d/shape/Tube.java
+++ b/org.simantics.g3d/src/org/simantics/g3d/shape/Tube.java
@@ -69,11 +69,13 @@ public class Tube {
 		
 		Vector3d t = new Vector3d();
 		
-		for (int i = 0; i < vertices.size() - 1; i++) {
-			t.set(vertices.get(i+1));
-			t.sub(vertices.get(i));
-			if (t.lengthSquared() < 0.0000001)
-				throw new IllegalArgumentException("vertices at index " + i + " are too close to each other");
+		if (tangents == null) {
+    		for (int i = 0; i < vertices.size() - 1; i++) {
+    			t.set(vertices.get(i+1));
+    			t.sub(vertices.get(i));
+    			if (t.lengthSquared() < 0.0000001)
+    				throw new IllegalArgumentException("vertices at index " + i + " are too close to each other");
+    		}
 		}
 		
 		int vcount = vertices.size()*resolution;