private void SelectItem( BSPImage image )
{
if ( selected == image )
{
image.Selected = false;
image.RefreshState();
selected = null;
to = from;
fromZ = camera.Position.Z;
toZ = -10;
slerp = 1;
jumpAngle = 0;
}
else
{
if ( selected != null )
{
var oldImage = (BSPImage)selected;
oldImage.Selected = false;
oldImage.RefreshState();
}
image.Selected = true;
image.Visited = true;
image.RefreshState();
selected = image;
Point3D center = image.Position;
Vector3D dir = (Vector3D)center;
dir.Normalize();
Point3D viewpoint = center + ( dir * image.ViewDistance );
var axis = Vector3D.CrossProduct( (Vector3D)camera.Position, (Vector3D)viewpoint );
var angle = Vector3D.AngleBetween( (Vector3D)camera.Position, (Vector3D)viewpoint );
to = ( axis != new Vector3D() )
? new Quaternion( axis, angle )
: new Quaternion( new Vector3D( 0, 1, 0 ), angle );
to.Normalize();
toZ = -( (Vector3D)viewpoint ).Length;
slerp = 1;
jumpAngle = Vector3D.AngleBetween(
(Vector3D)camera.GetRotationMatrix().Transform( camera.Position ),
(Vector3D)viewpoint );
}
}
private void ItemClick( object sender, EventArgs e )
{
if ( !mouseCaptured )
{
fromZ = camera.Position.Z;
from = camera.Rotation;
from.Normalize();
SelectItem( (BSPImage)sender );
}
}
