/// <summary>
/// This takes the click point, and returns a point from 0 to 1
/// </summary>
private static Point3D GetScaledPoint(MouseEventArgs e, FrameworkElement relativeTo, double depth, ViewDirection direction)
{
Point clickPoint = e.GetPosition(relativeTo);
double width = relativeTo.ActualWidth;
double height = relativeTo.ActualHeight;
if (Math1D.IsNearZero(width) || Math1D.IsNearZero(height))
{
// The window has no size
return(new Point3D(0, 0, 0));
}
Point3D point = new Point3D(clickPoint.X / width, clickPoint.Y / height, depth);
switch (direction)
{
case ViewDirection.Front:
return(new Point3D(point.X, point.Y, point.Z));
case ViewDirection.Right:
return(new Point3D(1d - point.Z, point.Y, point.X));
case ViewDirection.Left:
return(new Point3D(point.Z, point.Y, 1d - point.X));
case ViewDirection.Top:
return(new Point3D(point.X, point.Z, 1d - point.Y));
case ViewDirection.Bottom:
return(new Point3D(point.X, 1d - point.Z, point.Y));
case ViewDirection.Back:
return(new Point3D(1d - point.X, point.Y, 1d - point.Z));
default:
throw new ApplicationException("Unknown ViewDirection: " + direction.ToString());
}
}
private void SetVelocityViewerCameraPosition()
{
if (_velocityVisualizerWindow == null)
{
return;
}
switch (_viewDirection)
{
case ViewDirection.Front:
_velocityVisualizerWindow.ViewChanged(new DoubleVector(0, 0, 1, 0, -1, 0));
break;
case ViewDirection.Right:
_velocityVisualizerWindow.ViewChanged(new DoubleVector(-1, 0, 0, 0, -1, 0));
break;
case ViewDirection.Left:
_velocityVisualizerWindow.ViewChanged(new DoubleVector(1, 0, 0, 0, -1, 0));
break;
case ViewDirection.Top:
_velocityVisualizerWindow.ViewChanged(new DoubleVector(0, 1, 0, 0, 0, 1));
break;
case ViewDirection.Bottom:
_velocityVisualizerWindow.ViewChanged(new DoubleVector(0, -1, 0, 0, 0, -1));
break;
case ViewDirection.Back:
_velocityVisualizerWindow.ViewChanged(new DoubleVector(0, 0, -1, 0, -1, 0));
break;
default:
throw new ApplicationException("Unknown ViewDirection: " + _viewDirection.ToString());
}
}
private static void DrawField(WriteableBitmap bitmap, FluidField3D field, ViewDirection viewDirection, byte[] colorZFront, byte[] colorZBack)
{
Int32Rect rect = new Int32Rect(0, 0, field.Size, field.Size);
int size = rect.Width * rect.Height * 4;
byte[] pixels = new byte[size];
double[] ink = field.Ink;
bool[] blocked = field.Blocked;
switch (viewDirection)
{
case ViewDirection.Front:
#region Front
DrawFieldSprtDoIt(pixels, ink, blocked, field.Size, colorZFront, colorZBack,
new AxisFor(Axis.X, 0, field.Size - 1),
new AxisFor(Axis.Y, 0, field.Size - 1),
new AxisFor(Axis.Z, field.Size - 1, 0)); // pixel z needs to start at the back, because the colors are overlaid
#endregion
break;
case ViewDirection.Right:
#region Right
DrawFieldSprtDoIt(pixels, ink, blocked, field.Size, colorZFront, colorZBack,
new AxisFor(Axis.Z, 0, field.Size - 1),
new AxisFor(Axis.Y, 0, field.Size - 1),
new AxisFor(Axis.X, 0, field.Size - 1));
#endregion
break;
case ViewDirection.Left:
#region Left
DrawFieldSprtDoIt(pixels, ink, blocked, field.Size, colorZFront, colorZBack,
new AxisFor(Axis.Z, field.Size - 1, 0),
new AxisFor(Axis.Y, 0, field.Size - 1),
new AxisFor(Axis.X, field.Size - 1, 0));
#endregion
break;
case ViewDirection.Top:
#region Top
DrawFieldSprtDoIt(pixels, ink, blocked, field.Size, colorZFront, colorZBack,
new AxisFor(Axis.X, 0, field.Size - 1),
new AxisFor(Axis.Z, field.Size - 1, 0),
new AxisFor(Axis.Y, field.Size - 1, 0));
#endregion
break;
case ViewDirection.Bottom:
#region Bottom
DrawFieldSprtDoIt(pixels, ink, blocked, field.Size, colorZFront, colorZBack,
new AxisFor(Axis.X, 0, field.Size - 1),
new AxisFor(Axis.Z, 0, field.Size - 1),
new AxisFor(Axis.Y, 0, field.Size - 1));
#endregion
break;
case ViewDirection.Back:
#region Back
//NOTE: This one is up for interpretation. I will rotate left to right, because I think that is more intuitive. If rotating
//top to bottom, it would be upside down from the way I am presenting
DrawFieldSprtDoIt(pixels, ink, blocked, field.Size, colorZFront, colorZBack,
new AxisFor(Axis.X, field.Size - 1, 0),
new AxisFor(Axis.Y, 0, field.Size - 1),
new AxisFor(Axis.Z, 0, field.Size - 1));
// The alternate
//DrawField_DoIt(pixels, ink, blocked, field.Size, colorZFront, colorZBack,
// new AxisFor(Axis.X, 0, field.Size - 1),
// new AxisFor(Axis.Y, field.Size - 1, 0),
// new AxisFor(Axis.Z, 0, field.Size - 1));
#endregion
break;
default:
throw new ApplicationException("Unknown ViewDirection: " + viewDirection.ToString());
}
bitmap.WritePixels(rect, pixels, rect.Width * 4, 0);
}
/// <summary>
/// This takes the click point, and returns a point from 0 to 1
/// </summary>
private static Point3D GetScaledPoint(MouseEventArgs e, FrameworkElement relativeTo, double depth, ViewDirection direction)
{
Point clickPoint = e.GetPosition(relativeTo);
double width = relativeTo.ActualWidth;
double height = relativeTo.ActualHeight;
if (Math1D.IsNearZero(width) || Math1D.IsNearZero(height))
{
// The window has no size
return new Point3D(0, 0, 0);
}
Point3D point = new Point3D(clickPoint.X / width, clickPoint.Y / height, depth);
switch (direction)
{
case ViewDirection.Front:
return new Point3D(point.X, point.Y, point.Z);
case ViewDirection.Right:
return new Point3D(1d - point.Z, point.Y, point.X);
case ViewDirection.Left:
return new Point3D(point.Z, point.Y, 1d - point.X);
case ViewDirection.Top:
return new Point3D(point.X, point.Z, 1d - point.Y);
case ViewDirection.Bottom:
return new Point3D(point.X, 1d - point.Z, point.Y);
case ViewDirection.Back:
return new Point3D(1d - point.X, point.Y, 1d - point.Z);
default:
throw new ApplicationException("Unknown ViewDirection: " + direction.ToString());
}
}
private static void DrawField(WriteableBitmap bitmap, FluidField3D field, ViewDirection viewDirection, byte[] colorZFront, byte[] colorZBack)
{
Int32Rect rect = new Int32Rect(0, 0, field.Size, field.Size);
int size = rect.Width * rect.Height * 4;
byte[] pixels = new byte[size];
double[] ink = field.Ink;
bool[] blocked = field.Blocked;
switch (viewDirection)
{
case ViewDirection.Front:
#region Front
DrawFieldSprtDoIt(pixels, ink, blocked, field.Size, colorZFront, colorZBack,
new AxisFor(Axis.X, 0, field.Size - 1),
new AxisFor(Axis.Y, 0, field.Size - 1),
new AxisFor(Axis.Z, field.Size - 1, 0)); // pixel z needs to start at the back, because the colors are overlaid
#endregion
break;
case ViewDirection.Right:
#region Right
DrawFieldSprtDoIt(pixels, ink, blocked, field.Size, colorZFront, colorZBack,
new AxisFor(Axis.Z, 0, field.Size - 1),
new AxisFor(Axis.Y, 0, field.Size - 1),
new AxisFor(Axis.X, 0, field.Size - 1));
#endregion
break;
case ViewDirection.Left:
#region Left
DrawFieldSprtDoIt(pixels, ink, blocked, field.Size, colorZFront, colorZBack,
new AxisFor(Axis.Z, field.Size - 1, 0),
new AxisFor(Axis.Y, 0, field.Size - 1),
new AxisFor(Axis.X, field.Size - 1, 0));
#endregion
break;
case ViewDirection.Top:
#region Top
DrawFieldSprtDoIt(pixels, ink, blocked, field.Size, colorZFront, colorZBack,
new AxisFor(Axis.X, 0, field.Size - 1),
new AxisFor(Axis.Z, field.Size - 1, 0),
new AxisFor(Axis.Y, field.Size - 1, 0));
#endregion
break;
case ViewDirection.Bottom:
#region Bottom
DrawFieldSprtDoIt(pixels, ink, blocked, field.Size, colorZFront, colorZBack,
new AxisFor(Axis.X, 0, field.Size - 1),
new AxisFor(Axis.Z, 0, field.Size - 1),
new AxisFor(Axis.Y, 0, field.Size - 1));
#endregion
break;
case ViewDirection.Back:
#region Back
//NOTE: This one is up for interpretation. I will rotate left to right, because I think that is more intuitive. If rotating
//top to bottom, it would be upside down from the way I am presenting
DrawFieldSprtDoIt(pixels, ink, blocked, field.Size, colorZFront, colorZBack,
new AxisFor(Axis.X, field.Size - 1, 0),
new AxisFor(Axis.Y, 0, field.Size - 1),
new AxisFor(Axis.Z, 0, field.Size - 1));
// The alternate
//DrawField_DoIt(pixels, ink, blocked, field.Size, colorZFront, colorZBack,
// new AxisFor(Axis.X, 0, field.Size - 1),
// new AxisFor(Axis.Y, field.Size - 1, 0),
// new AxisFor(Axis.Z, 0, field.Size - 1));
#endregion
break;
default:
throw new ApplicationException("Unknown ViewDirection: " + viewDirection.ToString());
}
bitmap.WritePixels(rect, pixels, rect.Width * 4, 0);
}