/// <summary> /// Looks up shortcut references to our effect parameters. /// </summary> void CacheEffectParameters(EnvironmentMapEffect cloneSource) { textureParam = Parameters["Texture"]; environmentMapParam = Parameters["EnvironmentMap"]; environmentMapAmountParam = Parameters["EnvironmentMapAmount"]; environmentMapSpecularParam = Parameters["EnvironmentMapSpecular"]; fresnelFactorParam = Parameters["FresnelFactor"]; diffuseColorParam = Parameters["DiffuseColor"]; emissiveColorParam = Parameters["EmissiveColor"]; eyePositionParam = Parameters["EyePosition"]; fogColorParam = Parameters["FogColor"]; fogVectorParam = Parameters["FogVector"]; worldParam = Parameters["World"]; worldInverseTransposeParam = Parameters["WorldInverseTranspose"]; worldViewProjParam = Parameters["WorldViewProj"]; light0 = new DirectionalLight(Parameters["DirLight0Direction"], Parameters["DirLight0DiffuseColor"], null, (cloneSource != null) ? cloneSource.light0 : null); light1 = new DirectionalLight(Parameters["DirLight1Direction"], Parameters["DirLight1DiffuseColor"], null, (cloneSource != null) ? cloneSource.light1 : null); light2 = new DirectionalLight(Parameters["DirLight2Direction"], Parameters["DirLight2DiffuseColor"], null, (cloneSource != null) ? cloneSource.light2 : null); }