genesis-3d_engine/Engine/script/runtimelibrary/LightComponent.cs

/****************************************************************************
Copyright (c) 2011-2013,WebJet Business Division,CYOU
 
http://www.genesis-3d.com.cn

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****************************************************************************/
using System;
using System.Runtime.CompilerServices;

namespace ScriptRuntime
{
    /// <summary>
    /// 灯光组件
    /// </summary>
    public partial class LightComponent : Component
    {
        private LightComponent(DummyClass__ dummy)
        {
        }
        /// <summary>
        /// 创建一个光源组件,默认为电光源
        /// </summary>
        public LightComponent()
        {
            ICall_LightComponent_Bind(this);
        }
        /// <summary>
        /// 获取与改变光源类型
        /// </summary>
        public LightType LightType
        {
            get
            {
                return converLightType(ICall_LightComponent_GetLightType(this));
            }
            set
            {
                ICall_LightComponent_SetLightType(this, converLightType(value));
            }
        }
        /// <summary>
        /// 获取与设置光源位置
        /// </summary>
        public Vector3 Position
        {
            get
            {
                Vector3 pos;
                ICall_LightComponent_GetPosition(this, out pos);
                return pos;
            }
            set
            {
                ICall_LightComponent_SetPosition(this, ref value);
            }
        }
        /// <summary>
        /// 获取与设置光源方向
        /// </summary>
        public Vector3 Direction
        {
            get
            {
                Vector3 dir;
                ICall_LightComponent_GetDirection(this, out dir);
                return dir;
            }
            set
            {
                ICall_LightComponent_SetDirection(this, ref value);
            }
        }
        /// <summary>
        /// 获取与设置灯光颜色
        /// </summary>
        public ColorF Color
        {
            get
            {
                ColorF cf;
                ICall_LightComponent_GetColorF(this, out cf);
                return cf;
            }
            set
            {
                ICall_LightComponent_SetColorF(this, ref value);
            }
        }
        /// <summary>
        /// 获取与设置灯光强度
        /// </summary>
        public float Intensity
        {
            get
            {
                return ICall_LightComponent_GetIntensity(this);
            }
            set
            {
                value = Math.Max(0.0f, value);
                ICall_LightComponent_SetIntensity(this, value);
            }
        }
        /// <summary>
        /// 获取与设置灯光的光照范围
        /// </summary>
        public float Range
        {
            get
            {
                return ICall_LightComponent_GetRange(this);
            }
            set
            {
                if ( value < 0.01f)
                {
                    value = 0.01f;
                }
                ICall_LightComponent_SetRange(this, value);
            }
        }
        /// <summary>
        /// 光源随距离的衰减
        /// </summary>
        public float DistanceFallOff
        {
            get
            {
                return ICall_LightComponent_GetDistanceFallOff(this);
            }
            set
            {
                if (value < 0.0f)
                {
                    value = 0.0f;
                }
                ICall_LightComponent_SetDistanceFallOff(this, value);
            }
        }

        /// <summary>
        /// 聚光灯的内角
        /// </summary>
        public float SpotInnerAngle
        {
            get
            {
                return ICall_LightComponent_GetSpotInnerAngle(this);
            }
            set
            {
                if (value < 0.0f)
                {
                    value = 0.0f;
                }
                ICall_LightComponent_SetSpotInnerAngle(this, value);
            }
        }
        /// <summary>
        /// 聚光灯的外角
        /// </summary>
        public float SpotOuterAngle
        {
            get
            {
                return ICall_LightComponent_GetSpotOuterAngle(this);
            }
            set
            {
                if (value < 0.0f)
                {
                    value = 0.0f;
                }
                ICall_LightComponent_SetSpotOuterAngle(this, value);
            }
        }

        /// <summary>
        /// 聚光灯的半径衰减
        /// </summary>
        public float RadialFallOff
        {
            get
            {
                return ICall_LightComponent_GetSpotExponent(this);
            }
            set
            {
                if (value < 0.0f)
                {
                    value = 0.0f;
                }
                ICall_LightComponent_SetSpotExponent(this, value);
            }
        }

        private const float S_C_ATTEN_REF = 20;//[zhongdaohuan]参见light.h的S_C_ATTEN_REF
        private const float S_C_RANGE_REF = 0.00001f;
        private const float S_C_LINEAR_REF = 100000000f;

        internal static LightType converLightType(int lightType)
        {
            return (LightType)lightType;
        }

        internal static int converLightType(LightType lightType)
        {
            return (int)lightType;
        }
    }
}