public void OnMouseDown(object sender, MouseEventArgs e)
{
var mouse = new
{
Close = Camera.UnProject(new Vector2(e.X, e.Y), -1.0f),
Far = Camera.UnProject(new Vector2(e.X, e.Y), 1.0f)
};
var callback = new ClosestRayResultCullFaceCallback(mouse.Close, mouse.Far)
{
CollisionFilterGroup = CollisionFilterGroups.AllFilter,
CollisionFilterMask = CollisionFilterGroups.AllFilter
};
CollisionManager.World.RayTest(mouse.Close, mouse.Far, callback);
if (callback.HasHit)
{
var clickableCollisionObject = callback.CollisionObject as IClickable;
if (clickableCollisionObject != null)
{
RegisterEventHandler(clickableCollisionObject);
clickableCollisionObject.OnMouseDown(this,
new SceneMouseEventArgs(Camera, new Vector2(e.X, e.Y), default(Vector3), e.Button));
}
SelectObject(callback.CollisionObject);
}
else if (e.Button == MouseButtons.Left)
{
SelectObject(null);
}
}
public SceneMouseEventArgs(Camera camera, Vector2 mouseViewportCoordinates, Vector3 mouseWorldCoordinates,
MouseButtons button)
{
// Project the mouse coordinates into world-space at the far z-plane
var distantWorldPoint = camera.UnProject(mouseViewportCoordinates, 1);
// Produce a ray originating at the camera and pointing towards the distant world point^
Camera = camera;
this.ScreenCoordinates = mouseViewportCoordinates;
this.MouseRay = new Ray(camera.Position, distantWorldPoint);
this.MouseRayFarPoint = (distantWorldPoint - camera.Position).Length;
this.Button = button;
this.WorldCoordinates = distantWorldPoint;
}
public void OnMouseMove(object sender, MouseEventArgs e)
{
var mouse = new
{
Close = Camera.UnProject(new Vector2(e.X, e.Y), -1.0f),
Far = Camera.UnProject(new Vector2(e.X, e.Y), 1.0f)
};
var callback = new ClosestRayResultCallback(mouse.Close, mouse.Far)
{
CollisionFilterMask = ( CollisionFilterGroups )CollisionGroup.Objects
};
CollisionManager.World.RayTest(mouse.Close, mouse.Far, callback);
if (callback.HasHit)
{
CurrentMouseWorldPosition = callback.HitPointWorld;
GLDebug.QueuePointDraw(0, CurrentMouseWorldPosition);
}
MouseMove?.Invoke(this,
new SceneMouseEventArgs(Camera, new Vector2(e.X, e.Y), default(Vector3), e.Button));
}
