public GLLight(GraphicsInterface gi, GLLightName aName, Point3D position, ColorRGBA aColor)
:base(gi, (GLOption)aName)
{
fLightName = aName;
fPosition = position;
fAmbient = aColor;
fDiffuse = aColor;
fSpecular = aColor;
fLightAttenuation = GLLightAttenuation.GetDefault();
}
internal void Light(GLLightName light, LightParameter pname, int[] parameters)
{
gl.glLightiv((int)light, (int)pname, parameters);
CheckException();
}
public GLLight(GraphicsInterface gi, GLLightName aName)
:this(gi, aName, default(Point3D), ColorRGBA.White)
{
}
internal void Light(GLLightName light, LightParameter pname, float param)
{
gl.glLightf((int)light, (int)pname, param);
CheckException();
}
internal void Light(GLLightName light, LightParameter pname, Point3D position)
{
gl.glLightfv((int)light, (int)pname, (float[])position);
CheckException();
}
public SpotLight(GraphicsInterface gi, GLLightName aName, Point3D position, ColorRGBA aColor, Vector3f direction, float cutoff, float exponent)
: base(gi, aName, position, aColor)
{
fSpotEffect = new GLAffectLightSpot(direction, cutoff, exponent);
}
internal void GetLightiv(GLLightName light, LightParameter pname, int[] parameters)
{
gl.glGetLightiv((int)light, (int)pname, parameters);
}
public static void GetLightfv(GLLightName light, LightParameter pname, float[] parameters)
{
gl.glGetLightfv((int)light, (int)pname, parameters);
}
public static void Light(GLLightName light, LightParameter pname, int[] parameters)
{
gl.glLightiv((int)light, (int)pname, parameters);
}
public static void Light(GLLightName light, LightParameter pname, int param)
{
gl.glLighti((int)light, (int)pname, param);
}
public void RealizeForLight(GLLightName aLight)
{
GL.Light(aLight, LightParameter.ConstantAttenuation, fAttenConstant);
GL.Light(aLight, LightParameter.LinearAttenuation, fAttenLinear);
GL.Light(aLight, LightParameter.QuadraticAttenuation, fAttenQuadratic);
}
public void RealizeForLight(GLLightName aLight)
{
GL.Light(aLight, LightParameter.SpotCutoff, fSpotCutoff);
GL.Light(aLight, LightParameter.SpotExponent, fSpotExponent);
GL.Light(aLight, LightParameter.SpotDirection, (float[])fSpotDirection);
}
