#region License
#endregion
namespace Microsoft.Xna.Framework.Graphics
{
public sealed class DirectionalLight
{
#region Public Properties
private Vector3 INTERNAL_diffuseColor;
public Vector3 DiffuseColor
{
get
{
return INTERNAL_diffuseColor;
}
set
{
INTERNAL_diffuseColor = value;
if (Enabled && diffuseColorParameter != null)
{
diffuseColorParameter.SetValue(INTERNAL_diffuseColor);
}
}
}
private Vector3 INTERNAL_direction;
public Vector3 Direction
{
get
{
return INTERNAL_direction;
}
set
{
INTERNAL_direction = value;
if (directionParameter != null)
{
directionParameter.SetValue(INTERNAL_direction);
}
}
}
private Vector3 INTERNAL_specularColor;
public Vector3 SpecularColor
{
get
{
return INTERNAL_specularColor;
}
set
{
INTERNAL_specularColor = value;
if (Enabled && specularColorParameter != null)
{
specularColorParameter.SetValue(INTERNAL_specularColor);
}
}
}
private bool INTERNAL_enabled;
public bool Enabled
{
get
{
return INTERNAL_enabled;
}
set
{
if (INTERNAL_enabled != value)
{
INTERNAL_enabled = value;
if (INTERNAL_enabled)
{
if (diffuseColorParameter != null)
{
diffuseColorParameter.SetValue(DiffuseColor);
}
if (specularColorParameter != null)
{
specularColorParameter.SetValue(SpecularColor);
}
}
else
{
if (diffuseColorParameter != null)
{
diffuseColorParameter.SetValue(Vector3.Zero);
}
if (specularColorParameter != null)
{
specularColorParameter.SetValue(Vector3.Zero);
}
}
}
}
}
#endregion
#region Internal Variables
internal EffectParameter diffuseColorParameter;
internal EffectParameter directionParameter;
internal EffectParameter specularColorParameter;
#endregion
#region Public Constructor
public DirectionalLight(
EffectParameter directionParameter,
EffectParameter diffuseColorParameter,
EffectParameter specularColorParameter,
DirectionalLight cloneSource
) {
this.diffuseColorParameter = diffuseColorParameter;
this.directionParameter = directionParameter;
this.specularColorParameter = specularColorParameter;
if (cloneSource != null)
{
DiffuseColor = cloneSource.DiffuseColor;
Direction = cloneSource.Direction;
SpecularColor = cloneSource.SpecularColor;
Enabled = cloneSource.Enabled;
}
}
#endregion
}
}
