private void ControlDown(MouseEventArgs e)
{
List <Tuple <Point, PickedGeometry> > allPickedGeometrys = this.scene.Pick(
e.Location, this.PickingGeometryType);
PickedGeometry pickedGeometry = null;
if (allPickedGeometrys != null && allPickedGeometrys.Count > 0)
{
pickedGeometry = allPickedGeometrys[0].Item2;
}
if (pickedGeometry != null)
{
PickableRenderer pickableRenderer = null;
var renderer = pickedGeometry.FromRenderer as HighlightedPickableRenderer;
if (renderer != null)
{
renderer.Highlighter.SetHighlightIndexes(
this.PickingGeometryType.ToDrawMode(), pickedGeometry.VertexIds);
this.highlightedRenderer = renderer;
pickableRenderer = renderer.PickableRenderer;
}
else
{
pickableRenderer = pickedGeometry.FromRenderer as PickableRenderer;
}
FormBulletinBoard bulletinBoard = this.bulletinBoard;
if ((bulletinBoard != null) && (!bulletinBoard.IsDisposed))
{
ICamera camera = this.scene.FirstCamera;
mat4 projection = camera.GetProjectionMatrix();
mat4 view = camera.GetViewMatrix();
mat4 model = pickableRenderer.GetModelMatrix().Value;
this.bulletinBoard.SetContent(pickedGeometry.ToString(
projection, view, model));
}
this.glCanvas1.Cursor = Cursors.Hand;
}
else
{
HighlightedPickableRenderer renderer = this.highlightedRenderer;
if (renderer != null)
{
renderer.Highlighter.ClearHighlightIndexes();
}
this.bulletinBoard.SetContent("picked nothing.");
this.glCanvas1.Cursor = Cursors.Default;
}
this.pickedGeometry = pickedGeometry;
}
private void glCanvas1_MouseMove(object sender, MouseEventArgs e)
{
if (lastMousePosition == e.Location)
{
return;
}
if (e.Button == System.Windows.Forms.MouseButtons.Right)
{
//// operate camera
//rotator.MouseMove(e.X, e.Y);
}
else if (e.Button == System.Windows.Forms.MouseButtons.Left)
{
// move vertex
DragParam dragParam = this.dragParam;
if (dragParam != null)
{
var current = new Point(e.X, glCanvas1.Height - e.Y - 1);
Point differenceOnScreen = new Point(
current.X - dragParam.lastMousePositionOnScreen.X,
current.Y - dragParam.lastMousePositionOnScreen.Y);
dragParam.lastMousePositionOnScreen = current;
PickableRenderer renderer = null;
{
var tmp = this.pickedGeometry.From as HighlightedPickableRenderer;
if (tmp != null)
{
renderer = tmp.PickableRenderer;
}
}
if (renderer == null)
{
renderer = this.pickedGeometry.From as PickableRenderer;
}
renderer.MovePositions(
differenceOnScreen,
dragParam.viewMatrix, dragParam.projectionMatrix,
dragParam.viewport,
dragParam.pickedVertexIds);
}
}
else
{
UpdateColorInformationAtMouse(e.X, e.Y);
PickedGeometry pickedGeometry = this.scene.ColorCodedPicking(
e.Location, this.PickingGeometryType);
if (pickedGeometry != null)
{
PickableRenderer pickableRenderer = null;
var renderer = pickedGeometry.From as HighlightedPickableRenderer;
if (renderer != null)
{
renderer.Highlighter.SetHighlightIndexes(
this.PickingGeometryType.ToDrawMode(), pickedGeometry.VertexIds);
this.highlightedRenderer = renderer;
pickableRenderer = renderer.PickableRenderer;
}
else
{
pickableRenderer = pickedGeometry.From as PickableRenderer;
}
FormBulletinBoard bulletinBoard = this.bulletinBoard;
if ((bulletinBoard != null) && (!bulletinBoard.IsDisposed))
{
ICamera camera = this.scene.Camera;
mat4 projection = camera.GetProjectionMatrix();
mat4 view = camera.GetViewMatrix();
mat4 model = pickableRenderer.GetModelMatrix();
this.bulletinBoard.SetContent(pickedGeometry.ToString(
projection, view, model));
}
this.glCanvas1.Cursor = Cursors.Hand;
}
else
{
HighlightedPickableRenderer renderer = this.highlightedRenderer;
if (renderer != null)
{
renderer.Highlighter.ClearHighlightIndexes();
}
this.bulletinBoard.SetContent("picked nothing.");
this.glCanvas1.Cursor = Cursors.Default;
}
this.pickedGeometry = pickedGeometry;
}
this.lastMousePosition = e.Location;
}