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1 | // Created by: Anastasia BORISOVA |
2 | // Copyright (c) 2016 OPEN CASCADE SAS |
3 | // |
4 | // This file is part of Open CASCADE Technology software library. |
5 | // |
6 | // This library is free software; you can redistribute it and/or modify it under |
7 | // the terms of the GNU Lesser General Public License version 2.1 as published |
8 | // by the Free Software Foundation, with special exception defined in the file |
9 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
10 | // distribution for complete text of the license and disclaimer of any warranty. |
11 | // |
12 | // Alternatively, this file may be used under the terms of Open CASCADE |
13 | // commercial license or contractual agreement. |
14 | |
15 | #include <AIS_AnimationCamera.hxx> |
16 | |
17 | #include <Graphic3d_Camera.hxx> |
18 | #include <Precision.hxx> |
19 | #include <V3d_View.hxx> |
20 | |
21 | IMPLEMENT_STANDARD_RTTIEXT(AIS_AnimationCamera, AIS_Animation) |
22 | |
23 | //============================================================================= |
24 | //function : AIS_AnimationCamera |
25 | //purpose : |
26 | //============================================================================= |
27 | AIS_AnimationCamera::AIS_AnimationCamera (const TCollection_AsciiString& theAnimationName, |
28 | const Handle(V3d_View)& theView) |
29 | : AIS_Animation (theAnimationName), |
30 | myView (theView) |
31 | { |
32 | // |
33 | } |
34 | |
35 | //============================================================================= |
36 | //function : update |
37 | //purpose : |
38 | //============================================================================= |
39 | void AIS_AnimationCamera::update (const AIS_AnimationProgress& theProgress) |
40 | { |
41 | if (myView.IsNull() |
42 | || myCamStart.IsNull() |
43 | || myCamEnd.IsNull()) |
44 | { |
45 | return; |
46 | } |
47 | |
48 | Handle(Graphic3d_Camera) aCamera = myView->Camera(); |
49 | |
50 | Graphic3d_CameraLerp aCamLerp (myCamStart, myCamEnd); |
51 | aCamLerp.Interpolate (theProgress.LocalNormalized, aCamera); |
52 | |
53 | const Standard_Boolean aPrevImmUpdate = myView->SetImmediateUpdate (Standard_False); |
54 | myView->SetCamera (aCamera); |
55 | myView->SetImmediateUpdate (aPrevImmUpdate); |
56 | myView->Invalidate(); |
57 | } |