Fixed issue in Issue #2

tudelft3d · Jan 11, 2017 · b2b946c · b2b946c
1 parent 1dc4021
commit b2b946c
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/MetalView.swift b/src/MetalView.swift
@@ -471,6 +471,9 @@ class MetalView: MTKView {
       if parsedObject.id == rowObject.id {
 
         // Compute centroid
+        if parsedObject.triangleBuffersByType[""] == nil {
+          return
+        }
         let numberOfVertices = parsedObject.triangleBuffersByType[""]!.count/6
         var sumX: Float = 0.0
         var sumY: Float = 0.0