/// <summary>
/// 读取指定纹理，并为该资源生成阴影效果。
/// </summary>
///
/// <param name="texture"></param>
/// <param name="angle"></param>
/// <returns></returns>
public static LTexture CreateShadowTexture(LTexture texture, float angle)
{
return(TextureUtils.CreateShadowTexture(texture, 0.4f, 1f, angle));
}
/// <summary>
/// 读取指定图像资源，并为该资源生成阴影效果。
/// </summary>
///
/// <param name="resName"></param>
/// <param name="angle"></param>
/// <returns></returns>
public static LTexture CreateShadowTexture(string resName, float angle)
{
return(TextureUtils.CreateShadowTexture(LTextures.LoadTexture(resName),
0.4f, 1f, angle));
}