public override void SetGamma(float value)
{
//copy from WindowsPlatformFunctionality
RAMP gamma;
IntPtr hWnd = GetDesktopWindow();
IntPtr hdc = GetDC(hWnd);
if (GetDeviceGammaRamp(hdc, out gamma) != 0)
{
for (int n = 0; n < 256; n++)
{
ushort g = (ushort)(255 * (ushort)(255.0f * MathEx.Pow((float)n / 255.0f, 1.0f / value)));
gamma.red[n] = g;
gamma.green[n] = g;
gamma.blue[n] = g;
}
if (SetDeviceGammaRamp(hdc, ref gamma) == 0)
{
//Error
//ReleaseDC(hWnd, hdc);
//return;
}
}
ReleaseDC(hWnd, hdc);
//// it seems it works, but it's cross-platform?
//var wp = new WindowsPlatformFunctionality();
//wp.SetGamma( value );
}
protected override void OnGetLocalPosition(Random random, out Vector3 result)
{
var u = random.NextFloat();
var v = random.NextFloat();
var theta = u * 2.0f * MathEx.PI;
var phi = MathEx.Acos(2.0f * v - 1.0f);
var r = MathEx.Pow(random.NextFloat(), 1.0f / 3.0f); //var r = Math.Cbrt( random.NextFloat() );
var sinTheta = MathEx.Sin(theta);
var cosTheta = MathEx.Cos(theta);
var sinPhi = MathEx.Sin(phi);
var cosPhi = MathEx.Cos(phi);
var x = r * sinPhi * cosTheta;
var y = r * sinPhi * sinTheta;
var z = r * cosPhi;
result = new Vector3F(x, y, z) * Radius;
}
/// <summary>
/// Returns the vector which contains the components of the first specified vector raised to power of the numbers which are equal to the corresponding components of the second specified vector.
/// </summary>
/// <param name="x">The first vector.</param>
/// <param name="y">The second vector.</param>
/// <returns>The vector which contains the components of the first specified vector raised to power of
/// the numbers which are equal to the corresponding components of the second specified vector.</returns>
public static Vector2F Pow(Vector2F x, Vector2F y)
{
return(new Vector2F(MathEx.Pow(x.X, y.X), MathEx.Pow(x.Y, y.Y)));
}
/// <summary>
/// Returns the vector which contains the components of the first specified vector raised to power of the numbers which are equal to the corresponding components of the second specified vector.
/// </summary>
/// <param name="x">The first vector.</param>
/// <param name="y">The second vector.</param>
/// <returns>The vector which contains the components of the first specified vector raised to power of
/// the numbers which are equal to the corresponding components of the second specified vector.</returns>
public static Vector4F Pow(Vector4F x, Vector4F y)
{
return(new Vector4F(MathEx.Pow(x.X, y.X), MathEx.Pow(x.Y, y.Y), MathEx.Pow(x.Z, y.Z), MathEx.Pow(x.W, y.W)));
}
/// <summary>
/// Returns the vector which contains the components of the first specified vector raised to power of the numbers which are equal to the corresponding components of the second specified vector.
/// </summary>
/// <param name="x">The first vector.</param>
/// <param name="y">The second vector.</param>
/// <returns>The vector which contains the components of the first specified vector raised to power of
/// the numbers which are equal to the corresponding components of the second specified vector.</returns>
public static Vector3F Pow(Vector3F x, Vector3F y)
{
return(new Vector3F(MathEx.Pow(x.X, y.X), MathEx.Pow(x.Y, y.Y), MathEx.Pow(x.Z, y.Z)));
}
