make correct transform call depending on dimensions

Author: codeanticode

core/src/processing/opengl/PShapeOpenGL.java

@@ -1251,7 +1251,11 @@ public void translate(float tx, float ty, float tz) {
 
   @Override
   public void rotate(float angle) {
-    transform(ROTATE, angle);
+    if (is3D) {
+      transform(ROTATE, angle, 0, 0, 1);
+    } else {
+      transform(ROTATE, angle);
+    }
   }