namespace Thousandto.Plugins.Common.UniScene
{
    //摄像机控制器的参数定义
    public static class CameraControlDefine
    {
        #region//常量
        //默认Y轴偏移量
        public const float DefualtTargetOffsetY = 1.5f;
        //默认X轴偏移量
        public const float DefualtTargetOffsetX = 0f;
        //距离改变速度
        public const float DisChangeSpeed = 20f;
        //最低pitch值
        public const float ConstMinPitch = -4.5f;
        //最大pitch值
        public const float ConstMaxPitch = 89f;
        //最小跟随距离
        public const float ConstMinFlowDis = 1.5f;
        //最大跟随距离
        public const float ConstMaxFlowDis = 40f;
        //默认pitch值
        public const float ConstDefaultPitch = 25f;
        //默认yaw值
        public const float ConstDefaultYaw = 0f;
        //默认跟随距离
        public const float ConstDefaultFlowDis = 8f;
        //默认fov
        public const float ConstFov = 60f;
        #endregion

        #region//根据配置读取的数据
        //是否是远视角
        public static bool IsFarView = false;

        //锁定后摄像机的控制数值
        public static float LockYaw = 0f;

        public static float LockPitch
        {
            get {
                return IsFarView ? (FarPitch + PitchAddValue) : (NearPitch + PitchAddValue);
            }
        }

        //限制的yaw最小值
        public static float MinYaw = 0f;
        //限制的yaw最大值
        public static float MaxYaw = 0f;
        //限制的最小距离
        public static float MinDis = ConstMinFlowDis;
        //限制的最大距离
        public static float MaxDis
        {
            get
            {
                return IsFarView ? FarDis : NearDis;
            }
        }

        //远视角的距离
        public static float FarDis = ConstMaxFlowDis;
        //近视角距离
        public static float NearDis = ConstMaxFlowDis;
        //远视觉的倾斜角
        public static float FarPitch = ConstDefaultPitch;
        //近视觉的倾斜角
        public static float NearPitch = ConstDefaultPitch;
        //远视角的y轴偏移
        public static float FarOffsetY = DefualtTargetOffsetY;
        //近视角的y轴偏移
        public static float NearOffsetY = DefualtTargetOffsetY;
        //该场景是否计算坡度 0不计算 1计算
        public static float isCalculateSlope = 0;

        public static float LockOffsetY
        {
            get
            {
                return IsFarView ? FarOffsetY : NearOffsetY;
            }
        }

        //摄像机距离放大值，对当前的最小距离，最大距离进行加成
        public static float DisAddValue = 0;
        //摄像机pitch放大值
        public static float PitchAddValue = 0;

        //当前最小距离
        public static float CurMinDis
        {
            get
            {
                return MinDis + DisAddValue;
            }
        }
        //当前最大距离
        public static float CurMaxDis
        {
            get
            {
                return MaxDis + DisAddValue;
            }
        }
        //fov
        public static float CurFov = ConstFov;
        #endregion

        public static void SetCameraParms(float defaultYaw, float minYaw, float maxYaw,float defaultDis, float farDis, float defaultPitch, float farPitch, float defaultOffsetY, float farOffsetY, float fov)
        {
            LockYaw = defaultYaw;
            MinYaw = minYaw;
            MaxYaw = maxYaw;
            MinDis = ConstMinFlowDis;         
            FarDis = farDis;
            NearDis = defaultDis;
            FarPitch = farPitch;
            NearPitch = defaultPitch;
            FarOffsetY = farOffsetY;
            NearOffsetY = defaultOffsetY;
            //CurFov = fov; 
            CurFov = 60; //暂时写死看效果
        }
    }
}