Normal Maps

4.  Enable GLSL settings
  • Enable Shaders
  • Enable Shadows
  • Enable Lights
  • Enable Ramps
  • Enable Nodes
  • Enable Extra Textures
  • GLSL settings appear only when the Render Engine: Blender Game is selected. 
5.  Add the object to be normal mapped
  • 3D View menu >> Add >> Mesh >> Plane
  • For this tutorial, a Plane is being normal mapped.
6. Add an empty UV Map
  • Properties menu >> Object Data button >> UV Maps tab >> Plus (+) button
  • We will be adding two UV maps.
  • The first UV map will hold the position of the texture on the game object.
  • The second UV Map will hold the position of the normal map on the game object.