3D Shader A Perspective Shader for use in 3D applications Werbad Left Height h1 float edit 1.0 Right Height h2 float edit 0.5 Left Center c1 float edit 0.5 Right Center c2 float edit 0.5 Texture Left t1 float edit 0.0 Texture Right t2 float edit 1.0 Left Light l1 float edit 1 Right Light l2 float edit 1