public virtual bool MouseWheel(MouseDescriptor e) { return false; }
public override bool MouseWheel(MouseDescriptor e)
{
//Console.WriteLine("Mouse wheel delta: " + e.WheelDelta.ToString());
Vector3 eyeVector = Position - Target;
float len = eyeVector.Length;
len -= ZoomSpeed * e.WheelDelta * 0.001f * len;
eyeVector.Normalize();
Position = Target + eyeVector * len;
return true;
}
public virtual bool MouseMove(MouseDescriptor e) { return false; }
public override bool MouseUp(MouseDescriptor e)
{
if (e[PanButton])
{
//Console.WriteLine("End Panning - X: {0} Y: {1}", e.X, e.Y);
return true;
}
if (e[RotateButton])
{
//Console.WriteLine("End Rotating - X: {0} Y: {1}", e.X, e.Y);
return true;
}
return false;
}
public override bool MouseMove(MouseDescriptor e)
{
if (e[PanButton])
{
//Console.WriteLine("Panning - X: {0} Y: {1}", e.X, e.Y);
Vector2 newPos = new Vector2((float) e.X, (float) e.Y);
PanTarget(newPos);
panStartPos = newPos;
return true;
}
if (e[RotateButton])
{
//Console.WriteLine("Rotating - X: {0} Y: {1}", e.X, e.Y);
//RotateWithQuaternion((float)e.X, (float)e.Y);
Vector2 newPos = new Vector2((float) e.X, (float) e.Y);
RotateAroundUpVector(newPos);
startPos = newPos;
return true;
}
return false;
}
public override bool MouseDown(MouseDescriptor e)
{
if (e[PanButton])
{
//Console.WriteLine("Start Panning - X: {0} Y: {1}", e.X, e.Y);
panStartPos = new Vector2((float) e.X, (float) e.Y);
return true;
}
if (e[RotateButton])
{
//Console.WriteLine("Start Rotating - X: {0} Y: {1}", e.X, e.Y);
startVector = MapToSphere((float)e.X, (float)e.Y);
//startEyeVector = Position - Target;
/*lastRot = currentRot;
// Calculate the current rotation for the first time
if (currentRot == Quaternion.Identity)
{
Vector3 eyeVector = Position - Target;
eyeVector.Normalize();
// Compute the cross product of the default and current eye vectors.
Vector3 cross = Vector3.Cross(defaultEyeVector, eyeVector);
// Is the perpendicular length essentially non-zero?
if (cross.Length > 1.0e-5f)
{
float angle = (float) Math.Acos(Vector3.Dot(defaultEyeVector, eyeVector));
// Calculate rotation relative to the default eye vector (0,0,1)
lastRot = Quaternion.FromAxisAngle(cross, angle);
}
}*/
startPos = new Vector2((float) e.X, (float) e.Y);
return true;
}
return false;
}
public virtual void MouseWheel(object sender, MouseDescriptor e)
{
// GUI has priority in handling mouse events
// WheelDelta is already multiplied by 120 => Gwen expects a 60x multiplier so divide it by 2
if (GUIEnabled == false || Canvas == null || Canvas.Input_MouseWheel(e.WheelDelta / 2) == false)
{
// Then the camera
if (Camera == null || Camera.MouseWheel(e) == false)
{
if (OnMouseWheel != null) OnMouseWheel(e);
}
}
}
public virtual void MouseMove(object sender, MouseDescriptor e)
{
int dx = e.X - prevMouseX;
int dy = e.Y - prevMouseY;
prevMouseX = e.X;
prevMouseY = e.Y;
// GUI has priority in handling mouse events
if (GUIEnabled == false || Canvas == null || Canvas.Input_MouseMoved(e.X, e.Y, dx, dy) == false)
{
// Then the camera
if (Camera == null || Camera.MouseMove(e) == false)
{
if (OnMouseMove != null) OnMouseMove(e);
}
}
}
public virtual Model MouseUp(object sender, MouseDescriptor e)
{
// GUI has priority in handling mouse events
if (GUIEnabled == false || Canvas == null || Canvas.Input_MouseButton((int) e.Button, false) == false)
{
//Console.WriteLine("MouseUp unhandled");
// Then the camera
if (Camera == null || Camera.MouseUp(e) == false)
{
if (OnMouseUp != null) OnMouseUp(e);
// Selection & Dragbox Selection
if (SelectionEnabled && e.Button == SelectButton)
{
// Do a hit test.
ZComponent comp = MousePick(e.X, e.Y);
if (comp != null)
{
Console.WriteLine("MousePick result: {0}", comp.Name);
SelectedObject = comp as Model;
return SelectedObject;
}
}
}
}
return null;
}
public virtual void MouseDown(object sender, MouseDescriptor e)
{
// GUI has priority in handling mouse events
if (GUIEnabled == false || Canvas == null || Canvas.Input_MouseButton((int) e.Button, true) == false)
{
//Console.WriteLine("MouseDown unhandled");
// Then the camera
if (Camera == null || Camera.MouseDown(e) == false)
{
if (OnMouseDown != null) OnMouseDown(e);
// Selection & Dragbox Selection
}
}
}
