# HG changeset patch
# User Sascha L. Teichmann <sascha.teichmann@intevation.de>
# Date 1569934280 -7200
# Node ID 23236657b0321835e97a4ca7f7cc099ad5d93038
# Parent  4c476d65d1bb40799e8ca8a76fabcf28c3dc3252
Use Sub2D in triangles 2D contains.

diff -r 4c476d65d1bb -r 23236657b032 pkg/octree/vertex.go
--- a/pkg/octree/vertex.go	Tue Oct 01 13:40:01 2019 +0200
+++ b/pkg/octree/vertex.go	Tue Oct 01 14:51:20 2019 +0200
@@ -350,9 +350,9 @@
 }
 
 func (t *Triangle) Contains(x, y float64) bool {
-	v0 := t[2].Sub(t[0])
-	v1 := t[1].Sub(t[0])
-	v2 := Vertex{X: x, Y: y}.Sub(t[0])
+	v0 := t[2].Sub2D(t[0])
+	v1 := t[1].Sub2D(t[0])
+	v2 := Vertex{X: x, Y: y}.Sub2D(t[0])
 
 	dot00 := v0.Dot2(v0)
 	dot01 := v0.Dot2(v1)