public static vec3 ToVec3(this TSpotLightDirection direction)
{
vec3 result;
switch (direction)
{
case TSpotLightDirection.X:
result = new vec3(-1, 0, 0);
break;
case TSpotLightDirection.NX:
result = new vec3(1, 0, 0);
break;
case TSpotLightDirection.Y:
result = new vec3(0, -1, 0);
break;
case TSpotLightDirection.NY:
result = new vec3(0, 1, 0);
break;
case TSpotLightDirection.Z:
result = new vec3(0, 0, -1);
break;
case TSpotLightDirection.NZ:
result = new vec3(0, 0, 1);
break;
default:
throw new NotDealWithNewEnumItemException(typeof(TSpotLightDirection));
}
return(result);
}
/// <summary>
///
/// </summary>
/// <param name="position">light's position.</param>
/// <param name="direction">Direction to the light's position.</param>
/// <param name="attenuation"></param>
public TSpotLight(vec3 position, TSpotLightDirection direction, Attenuation attenuation = null)
: base(attenuation == null ? new Attenuation(1.0f, 0.0f, 0.0f) : attenuation)
{
this.Position = position;
this.Direction = direction;
}
