/// <summary>
/// Synchronizes the camera to the controller's current state</summary>
/// <param name="camera">Camera</param>
protected override void ControllerToCamera(Camera camera)
{
Vec3F lookAt = Camera.LookAt;
Vec3F up = Camera.Up;
if (camera.ViewType == ViewTypes.Perspective)
{
QuatF rotation = m_rotation * m_currentRotation;
rotation = rotation.Inverse;
Matrix4F transform = new Matrix4F(rotation);
lookAt = new Vec3F(0, 0, -1);
up = new Vec3F(0, 1, 0);
transform.Transform(ref lookAt);
transform.Transform(ref up);
}
float eyeOffset = m_distanceFromLookAt;
float lookAtOffset = 0;
if (m_distanceFromLookAt < m_dollyThreshold) // do we need to start dollying?
{
eyeOffset = m_distanceFromLookAt;
lookAtOffset = m_distanceFromLookAt - m_dollyThreshold;
}
Camera.Set(
m_lookAtPoint - (eyeOffset * lookAt), // eye
m_lookAtPoint - (lookAtOffset * lookAt), // lookAt
up); // up
base.ControllerToCamera(camera);
}
private void TestToStringWithCulture(CultureInfo culture)
{
CultureInfo originalCulture = Thread.CurrentThread.CurrentCulture;
Thread.CurrentThread.CurrentCulture = culture;
try
{
string listSeparator = culture.TextInfo.ListSeparator;
string decimalSeparator = culture.NumberFormat.NumberDecimalSeparator;
var o = new QuatF(1.1f, 2.2f, 3.3f, 4.4f);
string s = o.ToString(null, null);
TestToStringResults(o, s, listSeparator, decimalSeparator);
string s2 = o.ToString();
Assert.AreEqual(s, s2);
s = o.ToString("G", culture);
TestToStringResults(o, s, listSeparator, decimalSeparator);
s = o.ToString("R", culture);
TestToStringResults(o, s, listSeparator, decimalSeparator);
}
finally
{
Thread.CurrentThread.CurrentCulture = originalCulture;
}
}
private void TestToStringWithCulture(CultureInfo culture)
{
CultureInfo originalCulture = Thread.CurrentThread.CurrentCulture;
Thread.CurrentThread.CurrentCulture = culture;
try
{
string listSeparator = culture.TextInfo.ListSeparator;
string decimalSeparator = culture.NumberFormat.NumberDecimalSeparator;
var o = new QuatF(1.1f, 2.2f, 3.3f, 4.4f);
string s = o.ToString(null, null);
TestToStringResults(o, s, listSeparator, decimalSeparator);
string s2 = o.ToString();
Assert.AreEqual(s, s2);
s = o.ToString("G", culture);
TestToStringResults(o, s, listSeparator, decimalSeparator);
s = o.ToString("R", culture);
TestToStringResults(o, s, listSeparator, decimalSeparator);
}
finally
{
Thread.CurrentThread.CurrentCulture = originalCulture;
}
}
private void TestToStringResults(QuatF o, string s, string listSeparator, string decimalSeparator)
{
string[] results = s.Split(new[] { listSeparator }, StringSplitOptions.RemoveEmptyEntries);
Assert.AreEqual(results.Length, 4);
foreach (string oneFloatString in results)
Assert.True(oneFloatString.Contains(decimalSeparator));
Assert.AreEqual(float.Parse(results[0]), o.X);
Assert.AreEqual(float.Parse(results[1]), o.Y);
Assert.AreEqual(float.Parse(results[2]), o.Z);
Assert.AreEqual(float.Parse(results[3]), o.W);
}
/// <summary>
/// Handles mouse-up events</summary>
/// <param name="sender">Control that raised original event</param>
/// <param name="e">Event args</param>
/// <returns>true, if controller handled the event</returns>
public override bool MouseUp(object sender, MouseEventArgs e)
{
if (m_dragging)
{
m_dragging = false;
m_rotation = QuatF.Normalize(m_rotation * m_currentRotation);
m_currentRotation = QuatF.Identity;
return(true);
}
return(base.MouseUp(sender, e));
}
private void TestToStringResults(QuatF o, string s, string listSeparator, string decimalSeparator)
{
string[] results = s.Split(new[] { listSeparator }, StringSplitOptions.RemoveEmptyEntries);
Assert.AreEqual(results.Length, 4);
foreach (string oneFloatString in results)
{
Assert.True(oneFloatString.Contains(decimalSeparator));
}
Assert.AreEqual(float.Parse(results[0]), o.X);
Assert.AreEqual(float.Parse(results[1]), o.Y);
Assert.AreEqual(float.Parse(results[2]), o.Z);
Assert.AreEqual(float.Parse(results[3]), o.W);
}
private void Track(Point current)
{
if (current.X < 0 || current.X > m_width)
{
return;
}
if (current.Y < 0 || current.Y > m_height)
{
return;
}
Vec3F currentPoint = ProjectToArcball(current);
Vec3F i = Vec3F.Cross(currentPoint, m_firstPoint);
float r = Vec3F.Dot(m_firstPoint, currentPoint);
m_currentRotation = new QuatF(i.X, i.Y, i.Z, r);
}
private void Track(Point current)
{
if (current.X < 0 || current.X > m_width)
return;
if (current.Y < 0 || current.Y > m_height)
return;
Vec3F currentPoint = ProjectToArcball(current);
Vec3F i = Vec3F.Cross(currentPoint, m_firstPoint);
float r = Vec3F.Dot(m_firstPoint, currentPoint);
m_currentRotation = new QuatF(i.X, i.Y, i.Z, r);
}
/// <summary>
/// Handles mouse-up events</summary>
/// <param name="sender">Control that raised original event</param>
/// <param name="e">Event args</param>
/// <returns>true, if controller handled the event</returns>
public override bool MouseUp(object sender, MouseEventArgs e)
{
if (m_dragging)
{
m_dragging = false;
m_rotation = QuatF.Normalize(m_rotation * m_currentRotation);
m_currentRotation = QuatF.Identity;
return true;
}
return base.MouseUp(sender, e);
}
