1 files changed, 53 insertions, 0 deletions
diff --git a/intern/cycles/kernel/osl/nodes/node_vector_math.osl b/intern/cycles/kernel/osl/nodes/node_vector_math.osl
new file mode 100644
index 00000000000..9e0f0b60522
--- /dev/null
+++ b/intern/cycles/kernel/osl/nodes/node_vector_math.osl
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2011, Blender Foundation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include "stdosl.h"
+
+shader node_vector_math(
+	string type = "Add",
+	vector Vector1 = vector(0.0, 0.0, 0.0),
+	vector Vector2 = vector(0.0, 0.0, 0.0),
+	output float Value = 0.0,
+	output vector Vector = vector(0.0, 0.0, 0.0))
+{
+	if(type == "Add") {
+		Vector = Vector1 + Vector2;
+		Value = (abs(Vector[0]) + abs(Vector[1]) + abs(Vector[2]))/3.0;
+	}
+	if(type == "Subtract") {
+		Vector = Vector1 - Vector2;
+		Value = (abs(Vector[0]) + abs(Vector[1]) + abs(Vector[2]))/3.0;
+	}
+	if(type == "Average") {
+		Value = length(Vector1 + Vector2);
+		Vector = normalize(Vector1 + Vector2);
+	}
+	if(type == "Dot Product") {
+		Value = dot(Vector1, Vector2);
+	}
+	if(type == "Cross Product") {
+		vector c = cross(Vector1, Vector2);
+		Value = length(c);
+		Vector = normalize(c);
+	}
+	if(type == "Normalize") {
+		Value = length(Vector1);
+		Vector = normalize(Vector1);
+	}
+}
+