/// <summary>
/// Create a spot function with given prototype and parameters.
/// </summary>
/// <param name="spotFuncPrototype">Spot function prototype</param>
/// <param name="angle">Screen angle in radians (usually 0-2*PI but
/// any real value will do the job)</param>
/// <param name="distance">Distance between screen elements</param>
public SpotFunction(SpotFuncPrototypeDelegate spotFuncPrototype,
double angle, double distance)
{
Angle = angle;
Distance = distance;
SpotFuncPrototype = spotFuncPrototype;
}
/// <summary>
/// Create a new spot function using a prototype and default
/// parameters.
/// </summary>
/// <param name="spotFuncPrototype">Spot function prototype</param>
public SpotFunction(SpotFuncPrototypeDelegate spotFuncPrototype)
{
SpotFuncPrototype = spotFuncPrototype;
}
