static public bool Camera(KeyboardState kbd, Camera camera, int msticks)
{
Vector3 cameraActionRotation = Vector3.Zero;
var angle = (float)msticks * 0.075f;
if (kbd.HasBeenPressed(Keys.NumPad4))
{
cameraActionRotation.Z = -angle;
}
if (kbd.HasBeenPressed(Keys.NumPad6))
{
cameraActionRotation.Z = angle;
}
if (kbd.IsCurrentlyPressed(Keys.NumPad5, Keys.NumPad2) != null)
{
cameraActionRotation.X = -angle;
}
if (kbd.HasBeenPressed(Keys.NumPad8))
{
cameraActionRotation.X = angle;
}
if (kbd.IsCurrentlyPressed(Keys.NumPad7, Keys.Q) != null)
{
cameraActionRotation.Y = -angle;
}
if (kbd.IsCurrentlyPressed(Keys.NumPad9, Keys.E) != null)
{
cameraActionRotation.Y = angle;
}
if (cameraActionRotation.LengthSquared > 0)
{
camera.Rotate(cameraActionRotation);
return(true);
}
else
{
return(false);
}
}
static public bool Zoom(KeyboardState kbd, Zoom zoom, int msticks)
{
float adjustment = 1.0f + ((float)msticks * 0.002f);
bool changed = false;
if (kbd.IsCurrentlyPressed(Keys.Add, Keys.Z) != null)
{
zoom.Multiply(adjustment);
changed = true;
}
if (kbd.IsCurrentlyPressed(Keys.Subtract, Keys.X) != null)
{
zoom.Multiply(1.0f / adjustment);
changed = true;
}
float newzoom = 0;
if (kbd.HasBeenPressed(Keys.D1))
{
newzoom = zoom.ZoomMax;
}
if (kbd.HasBeenPressed(Keys.D2))
{
newzoom = 100; // Factor 3 scale
}
if (kbd.HasBeenPressed(Keys.D3))
{
newzoom = 33;
}
if (kbd.HasBeenPressed(Keys.D4))
{
newzoom = 11F;
}
if (kbd.HasBeenPressed(Keys.D5))
{
newzoom = 3.7F;
}
if (kbd.HasBeenPressed(Keys.D6))
{
newzoom = 1.23F;
}
if (kbd.HasBeenPressed(Keys.D7))
{
newzoom = 0.4F;
}
if (kbd.HasBeenPressed(Keys.D8))
{
newzoom = 0.133F;
}
if (kbd.HasBeenPressed(Keys.D9))
{
newzoom = zoom.ZoomMin;
}
if (newzoom != 0)
{
System.Diagnostics.Debug.WriteLine("Zoom to " + newzoom);
zoom.GoTo(newzoom, -1);
changed = true;
}
return(changed);
}