void Recalculate()
{
FractionTransform2D rotate = FractionTransform2D.Identity;
FractionTransform2D inverseRotate = FractionTransform2D.Identity;
// Setup projection matrix and client size
switch (orientation)
{
case UIInterfaceOrientation.Portrait:
projection = Matrix.Identity;
// rotation matrix is identity
ClientSize = deviceSize;
break;
case UIInterfaceOrientation.PortraitUpsideDown:
projection = Matrix.CreateRotationZ(MathHelper.Pi);
rotate = inverseRotate = FractionTransform2D.CreateRotation(-1, 0);
ClientSize = deviceSize;
break;
case UIInterfaceOrientation.LandscapeLeft:
projection = Matrix.CreateRotationZ(MathHelper.PiOver2);
rotate = FractionTransform2D.CreateRotation(0, 1);
inverseRotate = FractionTransform2D.CreateRotation(0, -1);
ClientSize = new Point(deviceSize.Y, deviceSize.X);
break;
case UIInterfaceOrientation.LandscapeRight:
projection = Matrix.CreateRotationZ(3 * MathHelper.PiOver2);
rotate = FractionTransform2D.CreateRotation(0, -1);
inverseRotate = FractionTransform2D.CreateRotation(0, 1);
ClientSize = new Point(deviceSize.Y, deviceSize.X);
break;
}
// Setup transformation matrices:
// Orthographic projection into projection space, use orientation projection matrix,
// inverse orthographic project back to new client space
logicalToRender = FractionTransform2D.CreateOrthographic(0, ClientSize.X, ClientSize.Y, 0)
* rotate * FractionTransform2D.CreateOrthographicInverse(0, renderbufferSize.X, 0, renderbufferSize.Y);
touchToLogical = FractionTransform2D.CreateOrthographic(0, deviceSize.X, deviceSize.Y, 0)
* inverseRotate * FractionTransform2D.CreateOrthographicInverse(0, ClientSize.X, ClientSize.Y, 0);
// Setup asset load scale
float deviceScale = Math.Max((float)renderbufferSize.X / (float)deviceSize.X, (float)renderbufferSize.Y / (float)deviceSize.Y);
AssetLoadScale = deviceScale > 1.5f ? 2 : 1;
if (Changed != null)
{
Changed();
}
}
void Recalculate()
{
FractionTransform2D rotate = FractionTransform2D.Identity;
FractionTransform2D inverseRotate = FractionTransform2D.Identity;
if(!systemHandlesOrientationItself)
{
// Setup projection matrix and client size
switch(orientation)
{
case ExEnInterfaceOrientation.Portrait:
projection = Matrix.Identity;
// rotation matrix is identity
ClientSize = deviceSize;
break;
case ExEnInterfaceOrientation.PortraitUpsideDown:
projection = Matrix.CreateRotationZ(MathHelper.Pi);
rotate = inverseRotate = FractionTransform2D.CreateRotation(-1, 0);
ClientSize = deviceSize;
break;
case ExEnInterfaceOrientation.LandscapeLeft:
projection = Matrix.CreateRotationZ(MathHelper.PiOver2);
rotate = FractionTransform2D.CreateRotation(0, 1);
inverseRotate = FractionTransform2D.CreateRotation(0, -1);
ClientSize = new Point(deviceSize.Y, deviceSize.X);
break;
case ExEnInterfaceOrientation.LandscapeRight:
projection = Matrix.CreateRotationZ(3 * MathHelper.PiOver2);
rotate = FractionTransform2D.CreateRotation(0, -1);
inverseRotate = FractionTransform2D.CreateRotation(0, 1);
ClientSize = new Point(deviceSize.Y, deviceSize.X);
break;
}
}
else
{
projection = Matrix.Identity;
ClientSize = deviceSize;
}
// Setup transformation matrices:
// Orthographic projection into projection space, use orientation projection matrix,
// inverse orthographic project back to new client space
logicalToRender = FractionTransform2D.CreateOrthographic(0, ClientSize.X, ClientSize.Y, 0)
* rotate * FractionTransform2D.CreateOrthographicInverse(0, renderbufferSize.X, 0, renderbufferSize.Y);
touchToLogical = FractionTransform2D.CreateOrthographic(0, deviceSize.X, deviceSize.Y, 0)
* inverseRotate * FractionTransform2D.CreateOrthographicInverse(0, ClientSize.X, ClientSize.Y, 0);
// Setup asset load scale
float deviceScale = Math.Max((float)renderbufferSize.X / (float)deviceSize.X, (float)renderbufferSize.Y / (float)deviceSize.Y);
AssetLoadScale = deviceScale > 1.5f ? 2 : 1;
if(Changed != null)
Changed();
}
