Animation.h

00001 /***************************************************************************
00002 *cr 
00003 *cr (C) Copyright 1995-2019 The Board of Trustees of the 
00004 *cr University of Illinois 
00005 *cr All Rights Reserved 
00006 *cr 
00007 ***************************************************************************/
00008 
00009 /***************************************************************************
00010 * RCS INFORMATION:
00011 *
00012 * $RCSfile: Animation.h,v $
00013 * $Author: johns $ $Locker: $ $State: Exp $
00014 * $Revision: 1.46 $ $Date: 2020年02月26日 03:51:30 $
00015 *
00016 ***************************************************************************/
00023 #ifndef ANIMATION_H
00024 #define ANIMATION_H
00025 
00026 #include "MoleculeList.h"
00027 #include "UIObject.h"
00028 
00029 #define SPEED_FACTOR 0.5f // max fraction of a sec between redraws
00030 
00038 class Animation : public UIObject {
00039 public:
00040 // enums for Animation options
00041 enum AnimDir { ANIM_FORWARD, ANIM_FORWARD1, ANIM_REVERSE, ANIM_REVERSE1, 
00042 ANIM_PAUSE, ANIM_TOTAL_DIRS };
00043 enum AnimStyle { ANIM_ONCE, ANIM_LOOP, ANIM_ROCK, ANIM_TOTAL_STYLES };
00044 
00045 private:
00048 MoleculeList &mlist;
00049 
00051 double lastTime;
00052 
00053 int frameSkip; 
00054 float Speed; 
00055 AnimDir animDir; 
00056 AnimStyle animStyle; 
00057 
00058 public:
00060 Animation( VMDApp * );
00061 
00064 int num() { 
00065 Molecule *m = mlist.top();
00066 if (m) return m->numframes();
00067 return 0;
00068 }
00069 
00072 int frame() { 
00073 Molecule *m = mlist.top();
00074 if (m) return m->frame();
00075 return -1;
00076 }
00077 
00080 void goto_frame(int fr);
00081 
00083 virtual int check_event();
00084 
00085 void skip(int newsk); 
00086 int skip() const { return frameSkip; } 
00087 void anim_dir(AnimDir ad) { animDir = ad; } 
00088 AnimDir anim_dir() const { return animDir; } 
00089 void anim_style(AnimStyle as); 
00090 AnimStyle anim_style() const { return animStyle; } 
00091 
00092 
00095 float speed(float newsp);
00096 float speed() const { return (float) (Speed / SPEED_FACTOR); }
00097 };
00098 
00100 extern const char *animationStyleName[Animation::ANIM_TOTAL_STYLES];
00101 
00103 extern const char *animationDirName[Animation::ANIM_TOTAL_DIRS];
00104 
00105 #endif
00106