MaterialDef Grass {

    MaterialParameters {
        Color Color (Color) : 1.0 1.0 1.0 1.0
        Texture2D ColorMap
        Texture2D NormalMap
        Float WindSpeed    : 0.5
        Float WindStrength : 0.12
        Vector3 SunDir     : 0.55 0.80 0.35
        Color   SunColor   : 1.0 1.0 0.95 1.0
    }

    Technique {
        VertexShader   GLSL150: Shaders/Grass.vert
        FragmentShader GLSL150: Shaders/Grass.frag

        WorldParameters {
            WorldViewProjectionMatrix
            WorldMatrix
            Time
            AmbientLightColor
        }

        RenderState {
            FaceCull Off
        }

        Defines {
            HAS_COLORMAP  : ColorMap
            HAS_NORMALMAP : NormalMap
        }
    }
}