// Copyright (c) 2010-2014 SharpDX - Alexandre Mutel
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using System.Runtime.InteropServices;

namespace SharpDX
{
    /// <summary>
    /// Frustum camera parameters.
    /// </summary>
    [StructLayout(LayoutKind.Sequential, Pack = 4)]
    public struct FrustumCameraParams
    {
        /// <summary>
        /// Position of the camera.
        /// </summary>
        public Vector3 Position;

        /// <summary>
        /// Looking at direction of the camera.
        /// </summary>
        public Vector3 LookAtDir;

        /// <summary>
        /// Up direction.
        /// </summary>
        public Vector3 UpDir;

        /// <summary>
        /// Field of view.
        /// </summary>
        public float FOV;

        /// <summary>
        /// Z near distance.
        /// </summary>
        public float ZNear;

        /// <summary>
        /// Z far distance.
        /// </summary>
        public float ZFar;

        /// <summary>
        /// Aspect ratio.
        /// </summary>
        public float AspectRatio;
    }
}