public override void HandleInput(InputState input)
{
base.HandleInput(input);
if (input.IsKeyPressed(Microsoft.Xna.Framework.Input.Keys.Enter))
ScreenManager.Game.Exit();
}
public override void HandleInput(InputState input)
{
base.HandleInput(input);
if (input.IsKeyPressed(Keys.Escape))
{
VolumetricRenderer.Game.Components.Remove(volumetricModel);
// Reload the main menu and return.
ScreenManager.AddScreen(new BackgroundScreen());
ScreenManager.AddScreen(new MainMenuScreen());
Finished();
}
// Volumetric Model
if (input.IsKeyPressed(Keys.OemTilde))
{
if (volumeFile.Contains("skull"))
{
volumeFile = "BostonTeapot.raw";
volumeFileSize = new Vector3(256, 256, 178);
}
else
{
volumeFile = "skull.raw";
volumeFileSize = new Vector3(256, 256, 256);
}
VolumetricRenderer.Game.Components.Remove(volumetricModel);
LoadVolumeData();
}
// Lighting
if (input.IsKeyPressed(Keys.D8))
{
volumetricModel.ToggleLighting1();
}
else if (input.IsKeyPressed(Keys.D9))
{
volumetricModel.ToggleLighting2();
}
else if (input.IsKeyPressed(Keys.D0))
{
volumetricModel.ToggleLighting3();
}
// Transfer function testing.
if (input.IsKeyPressed(Keys.D7))
{
volumetricModel.ToggleTransferFunction();
}
else if (input.IsKeyDown(Keys.OemPlus) || input.IsKeyDown(Keys.OemMinus) ||
input.IsKeyDown(Keys.OemCloseBrackets) || input.IsKeyDown(Keys.OemOpenBrackets) ||
input.IsKeyDown(Keys.OemQuotes) || input.IsKeyDown(Keys.OemSemicolon) ||
input.IsKeyPressed(Keys.D1) || input.IsKeyPressed(Keys.D2) ||
input.IsKeyPressed(Keys.D4) || input.IsKeyPressed(Keys.D5))
{
if (input.IsKeyPressed(Keys.D1))
{
isoValue = 30;
alphaValue = 0.02f;
range = 130;
}
else if (input.IsKeyPressed(Keys.D2))
{
isoValue = 30;
alphaValue = 0.03f;
range = 30;
}
else if (input.IsKeyPressed(Keys.D4))
{
isoValue = 60;
alphaValue = 0.998f;
range = 50;
}
else if (input.IsKeyPressed(Keys.D5))
{
isoValue = 130;
alphaValue = 0.998f;
range = 90;
}
else if (isoValue == 0)
return;
else if (input.IsKeyDown(Keys.OemPlus) && isoValue < 252 - range)
isoValue++;
else if (input.IsKeyDown(Keys.OemMinus) && isoValue > 3)
isoValue--;
else if (input.IsKeyDown(Keys.OemCloseBrackets) && alphaValue < 0.997f)
alphaValue += 0.002f;
else if (input.IsKeyDown(Keys.OemOpenBrackets) && alphaValue > 0.003f)
alphaValue -= 0.002f;
else if (input.IsKeyDown(Keys.OemQuotes) && range < 252 - isoValue)
range++;
else if (input.IsKeyDown(Keys.OemSemicolon) && range > 1)
range--;
volumetricModel.TransferPoints = new TransferControlPoints(3, 6);
volumetricModel.TransferPoints.AddRGBControlPoint(Color.Red, 0);
volumetricModel.TransferPoints.AddRGBControlPoint(Color.Red, 1);
volumetricModel.TransferPoints.AddRGBControlPoint(Color.Red, 255);
volumetricModel.TransferPoints.AddAlphaControlPoint(0f, 0);
volumetricModel.TransferPoints.AddAlphaControlPoint(0f, (byte)(isoValue - 2));
volumetricModel.TransferPoints.AddAlphaControlPoint(alphaValue, isoValue);
volumetricModel.TransferPoints.AddAlphaControlPoint(alphaValue, (byte)(isoValue + range));
volumetricModel.TransferPoints.AddAlphaControlPoint(0f, (byte)(isoValue + range + 2));
volumetricModel.TransferPoints.AddAlphaControlPoint(0f, 255);
volumetricModel.CreateTransferFunction();
}
// Transfer function testing.
if (input.IsKeyPressed(Keys.D3))
{
isoValue = 0;
alphaValue = 0f;
range = 0;
volumetricModel.TransferPoints = new TransferControlPoints(4, 6);
volumetricModel.TransferPoints.AddRGBControlPoint(Color.Blue, 0);
volumetricModel.TransferPoints.AddRGBControlPoint(Color.Blue, 58);
volumetricModel.TransferPoints.AddRGBControlPoint(Color.Red, 62);
volumetricModel.TransferPoints.AddRGBControlPoint(Color.Red, 255);
volumetricModel.TransferPoints.AddAlphaControlPoint(0f, 0);
volumetricModel.TransferPoints.AddAlphaControlPoint(0f, 28);
volumetricModel.TransferPoints.AddAlphaControlPoint(0.03f, 32);
volumetricModel.TransferPoints.AddAlphaControlPoint(0.02f, 130);
volumetricModel.TransferPoints.AddAlphaControlPoint(0.1f, 135);
volumetricModel.TransferPoints.AddAlphaControlPoint(0.1f, 255);
volumetricModel.CreateTransferFunction();
}
}
