From e3c3c13ac27e3e103aee16dd4f9c82b2c8cf9529 Mon Sep 17 00:00:00 2001
From: Tom Payne <twpayne@gmail.com>
Date: Thu, 27 Sep 2012 18:21:33 +0200
Subject: [PATCH] Use goog.vec.Mat4.rotateZ

---
 src/ol/renderer/map.js             | 6 +-----
 src/ol/renderer/webgl/tilelayer.js | 6 +-----
 2 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/src/ol/renderer/map.js b/src/ol/renderer/map.js
index c6f894a741..2668654b02 100644
--- a/src/ol/renderer/map.js
+++ b/src/ol/renderer/map.js
@@ -356,11 +356,7 @@ ol.renderer.Map.prototype.updateMatrices_ = function() {
         -1 / resolution,
         1);
     if (this.canRotate() && goog.isDef(rotation)) {
-      goog.vec.Mat4.rotate(this.coordinateToPixelMatrix_,
-          -rotation,
-          0,
-          0,
-          1);
+      goog.vec.Mat4.rotateZ(this.coordinateToPixelMatrix_, -rotation);
     }
     goog.vec.Mat4.translate(this.coordinateToPixelMatrix_,
         -center.x,
diff --git a/src/ol/renderer/webgl/tilelayer.js b/src/ol/renderer/webgl/tilelayer.js
index c6d896f3d1..a92abc0274 100644
--- a/src/ol/renderer/webgl/tilelayer.js
+++ b/src/ol/renderer/webgl/tilelayer.js
@@ -510,11 +510,7 @@ ol.renderer.webgl.TileLayer.prototype.render = function() {
           (framebufferExtent.maxY - framebufferExtent.minY),
       0);
   if (goog.isDef(mapRotation)) {
-    goog.vec.Mat4.rotate(this.matrix_,
-        mapRotation,
-        0,
-        0,
-        1);
+    goog.vec.Mat4.rotateZ(this.matrix_, mapRotation);
   }
   goog.vec.Mat4.scale(this.matrix_,
       (mapExtent.maxX - mapExtent.minX) /