//Resetting rotation angles and all that
void Reset()
{
RotationAngle = 0;
Zoom = 1;
qAxis = DCL.Maths.Quaternion.j;
if(SelectedIndex==2 && Latitude<=180 && UseGPS)
UpdatePositionVisualisation();
}
/// <summary>
/// Sets the default rotation for the RotateDefault() method.
/// </summary>
/// <param name="Axis1">A quaternion or a Vector3 object that represents the first axis. It is assumed that the axis starts at the origin.</param>
/// <param name="RotationAngle1">The angle of rotation around the first axis.</param>
/// <param name="Axis2">A quaternion or a Vector3 object that represents the second axis. It is assumed that the axis starts at the origin.</param>
/// <param name="RotationAngle2">The angle of rotation around the second axis.</param>
/// <param name="Axis3">A quaternion or a Vector3 object that represents the third axis. It is assumed that the axis starts at the origin.</param>
/// <param name="RotationAngle3">The angle of rotation around the third axis.</param>
public void SetDefaultRotation(My.Quaternion Axis1, float RotationAngle1,
My.Quaternion Axis2, float RotationAngle2,
My.Quaternion Axis3, float RotationAngle3)
{
My.Quaternion qRot1 = My.Quaternion.RotationQuaternion(Axis1, RotationAngle1);
My.Quaternion qRot2 = My.Quaternion.RotationQuaternion(Axis2, RotationAngle2);
My.Quaternion qRot3 = My.Quaternion.RotationQuaternion(Axis3, RotationAngle3);
DefaultRotation = qRot3 * qRot2 * qRot1;
}
/// <summary>
/// UnloadContent will be called once per game and is the place to unload
/// all content.
/// </summary>
/*protected override void UnloadContent()
{
}*/
/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
#region Handling touches
Touches = TouchPanel.GetState();
if (Touches.Count == 1)
{
#region One touch => Rotate
if (Touches[0].State == TouchLocationState.Moved &&
Touches[0].Position.X > this[SelectedIndex].DrawingArea.X &&
Touches[0].Position.X < this[SelectedIndex].DrawingArea.X + this[SelectedIndex].DrawingArea.Width &&
Touches[0].Position.Y > this[SelectedIndex].DrawingArea.Y &&
Touches[0].Position.Y < this[SelectedIndex].DrawingArea.Y + this[SelectedIndex].DrawingArea.Height)
{
TouchLocation prevTouch;
if (Touches[0].TryGetPreviousLocation(out prevTouch))
{
float deltaX = Touches[0].Position.X - prevTouch.Position.X;
float deltaY = Touches[0].Position.Y - prevTouch.Position.Y;
if (Math.Abs(deltaX) > 0 || Math.Abs(deltaY) > 0)
{
qNew = (new My.Quaternion(0, deltaY, deltaX, 0)).Normalize().Approximate(0.5f);
qAxis = qNew;
}
RotationAngle = (qAxis.Y * deltaX + qAxis.X * deltaY) / 100;
}
}
else
RotationAngle = 0;
#endregion
#region One touch => Click on a Button
if (IsTrial && Touches[0].State == TouchLocationState.Pressed &&
Touches[0].Position.X > 300 && Touches[0].Position.X < 430 &&
Touches[0].Position.Y > 0 && Touches[0].Position.Y < 40)
//(new MarketplaceDetailTask() { ContentIdentifier = "6efbe3f4-8476-e011-81d2-78e7d1fa76f8" }).Show();
Guide.ShowMarketplace(PlayerIndex.One);
if (Touches[0].State == TouchLocationState.Pressed && SelectedIndex==2 &&
Touches[0].Position.X > 435 && Touches[0].Position.X < 480 &&
Touches[0].Position.Y > 0 && Touches[0].Position.Y < 40)
if (IsTrial)
Guide.BeginShowMessageBox("Trial version", "Location services are available only in the full version!", new string[] { "Buy now", "Buy later" }, 0, MessageBoxIcon.Alert, new AsyncCallback(OnBuyMessageClosed), null);
else
Guide.BeginShowMessageBox("Location settings", "This application can use the built-in location services.\n\nYour location will be used ONLY to indicate your position on the globe.\n\nEnable the access to and use of location from the location services?", new string[] { "Enable", "Disable" }, 0, MessageBoxIcon.Alert, new AsyncCallback(OnGPSSettingsClosed), null);
#endregion
}
else if (Touches.Count > 1 && !ChangingPages)
{
#region Multitouch => Resize
RotationAngle = 0;
//first touch
if (Touches[0].State == TouchLocationState.Pressed || Touches[1].State == TouchLocationState.Pressed)
{
touchesDistance = Math.Sqrt((Touches[0].Position.X - Touches[1].Position.X) * (Touches[0].Position.X - Touches[1].Position.X) +
(Touches[0].Position.Y - Touches[1].Position.Y) * (Touches[0].Position.Y - Touches[1].Position.Y));
}
//moving fingers
else if (Touches[0].State == TouchLocationState.Moved || Touches[1].State == TouchLocationState.Moved)
{
double newTouchesDistance = Math.Sqrt((Touches[0].Position.X - Touches[1].Position.X) * (Touches[0].Position.X - Touches[1].Position.X) +
(Touches[0].Position.Y - Touches[1].Position.Y) * (Touches[0].Position.Y - Touches[1].Position.Y));
Zoom = (float)(newTouchesDistance / touchesDistance) * Zoom;
Zoom = Math.Max(Math.Min(3f/Planet.Radius, Zoom), 0.7f);
touchesDistance = newTouchesDistance;
}
#endregion
}
#endregion
#region Rotation
switch (SelectedIndex)
{
case 0: //Mercury
Planet.RotateComposition(qAxis, RotationAngle, Planet.Axis, MERCURY_ROTATION_SPEED);
break;
case 1: //Venus
Planet.RotateComposition(qAxis, RotationAngle, Planet.Axis, VENUS_ROTATION_SPEED);
break;
case 2: //Earth
Planet.RotateComposition(qAxis, RotationAngle, Planet.Axis, EARTH_ROTATION_SPEED);
MoonAxis = (Vector3)My.Quaternion.Rotate(MoonAxis, qAxis, RotationAngle);
Moon.RotateComposition(qAxis, RotationAngle, MoonAxis, MOON_ROTATION_SPEED);
break;
case 3: //Mars
Planet.RotateComposition(qAxis, RotationAngle, Planet.Axis, MARS_ROTATION_SPEED);
Moon.RotateComposition(qAxis, RotationAngle, Planet.Axis, PHOBOS_ROTATION_SPEED);
Moon2.RotateComposition(qAxis, RotationAngle, Planet.Axis, DEIMOS_ROTATION_SPEED);
break;
case 4: //Jupiter
Planet.RotateComposition(qAxis, RotationAngle, Planet.Axis, JUPITER_ROTATION_SPEED);
Moon.RotateComposition(qAxis, RotationAngle, Planet.Axis, EUROPA_ROTATION_SPEED);
Moon2.RotateComposition(qAxis, RotationAngle, Planet.Axis, IO_ROTATION_SPEED);
Moon3.RotateComposition(qAxis, RotationAngle, Planet.Axis, GANYMEDE_ROTATION_SPEED);
Moon4.RotateComposition(qAxis, RotationAngle, Planet.Axis, CALLISTO_ROTATION_SPEED);
break;
case 5: //Saturn
Planet.RotateComposition(qAxis, RotationAngle, Planet.Axis, SATURN_ROTATION_SPEED);
Moon.RotateComposition(qAxis, RotationAngle, Planet.Axis, TITAN_ROTATION_SPEED);
Moon2.RotateComposition(qAxis, RotationAngle, Planet.Axis, RHEA_ROTATION_SPEED);
Moon3.RotateComposition(qAxis, RotationAngle, Planet.Axis, DIONE_ROTATION_SPEED);
Moon4.RotateComposition(qAxis, RotationAngle, Planet.Axis, TETHYS_ROTATION_SPEED);
MoonAxis = (Vector3)My.Quaternion.Rotate(MoonAxis, qAxis, RotationAngle);
Moon5.RotateComposition(qAxis, RotationAngle, MoonAxis, IAPETUS_ROTATION_SPEED); //Iapetus has another axis
Moon6.RotateComposition(qAxis, RotationAngle, Planet.Axis, ENCELADUS_ROTATION_SPEED);
Moon7.RotateComposition(qAxis, RotationAngle, Planet.Axis, MIMAS_ROTATION_SPEED);
foreach (FlatRingSector f in SaturnRing)
f.Rotate(qAxis, RotationAngle);
break;
case 6: //Uran
Planet.RotateComposition(qAxis, RotationAngle, Planet.Axis, URANUS_ROTATION_SPEED);
Moon.RotateComposition(qAxis, RotationAngle, Planet.Axis, TITANIA_ROTATION_SPEED);
Moon2.RotateComposition(qAxis, RotationAngle, Planet.Axis, OBERON_ROTATION_SPEED);
Moon3.RotateComposition(qAxis, RotationAngle, Planet.Axis, ARIEL_ROTATION_SPEED);
Moon4.RotateComposition(qAxis, RotationAngle, Planet.Axis, UMBRIEL_ROTATION_SPEED);
Moon5.RotateComposition(qAxis, RotationAngle, Planet.Axis, MIRANDA_ROTATION_SPEED);
break;
case 7: //Neptun
Planet.RotateComposition(qAxis, RotationAngle, Planet.Axis, EARTH_ROTATION_SPEED);
MoonAxis = (Vector3)My.Quaternion.Rotate(MoonAxis, qAxis, RotationAngle);
Moon.RotateComposition(qAxis, RotationAngle, MoonAxis, TRITON_ROTATION_SPEED);
Moon2.RotateComposition(qAxis, RotationAngle, Planet.Axis, NEREID_ROTATION_SPEED);
Moon3.RotateComposition(qAxis, RotationAngle, Planet.Axis, PROTEUS_ROTATION_SPEED);
break;
}
#endregion
#region Updating texts
//New Axis
//tAxis = String.Format("Axis: ({0:G4}; {1:G4}; {2:G4})", qAxis.X, qAxis.Y, qAxis.Z);
//ANGLES OF ROTATION
//angAroundAxis += MathHelper.ToDegrees(0.025f); if (angAroundAxis > 360) angAroundAxis -= 360;
//angAroundEarth += MathHelper.ToDegrees(0.005f); if (angAroundEarth > 360) angAroundEarth -= 360;
//tAngleA = String.Format("Around axis: {0}°", (int)angAroundAxis);
//tAngleB = String.Format("Around earth: {0}°", (int)angAroundEarth);
#endregion
base.Update(gameTime);
}
/// <summary>
/// Sets the default rotation for the RotateDefault() method.
/// </summary>
/// <param name="Axis">A quaternion or a Vector3 object that represents the axis.</param>
/// <param name="RotationAngle">The angle of rotation around the axis.</param>
public void SetDefaultRotation(My.Quaternion Axis, float RotationAngle)
{
DefaultRotation = My.Quaternion.RotationQuaternion(Axis, RotationAngle);
}