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/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ SGI"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* Program to display Radiance scene using OpenGL. |
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*/ |
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#include <X11/extensions/SGIStereo.h> |
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#endif |
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#include <ctype.h> |
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#include <time.h> |
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#include "radogl.h" |
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#include "view.h" |
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#include "paths.h" |
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} |
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void |
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quit(code) /* exit gracefully */ |
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int code; |
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{ |
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} |
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static |
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waitabit() /* pause a moment */ |
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{ |
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struct timespec ts; |
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ts.tv_sec = 0; |
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ts.tv_nsec = 5000000; |
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nanosleep(&ts, NULL); |
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} |
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getmove(ebut) /* get view change */ |
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XButtonPressedEvent *ebut; |
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{ |
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while (!XCheckMaskEvent(ourdisplay, |
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ButtonReleaseMask, levptr(XEvent))) { |
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/* pause so as not to move too fast */ |
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waitabit(); |
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if (!XQueryPointer(ourdisplay, gwind, &rootw, &childw, |
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&rootx, &rooty, &wx, &wy, &statemask)) |
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if (md <= FTINY) md = FHUGE; |
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fbuf[3] = dir[0]*md; fbuf[4] = dir[1]*md; fbuf[5] = dir[2]*md; |
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/* trace that ray */ |
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if (process(rtpd, fbuf, fbuf, 4*sizeof(float), 6*sizeof(float)) != |
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4*sizeof(float)) |
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if (process(rtpd, (char *)fbuf, (char *)fbuf, |
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4*sizeof(float), 6*sizeof(float)) != 4*sizeof(float)) |
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error(INTERNAL, "error getting data back from rtrace process"); |
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if (fbuf[3] >= .99*FHUGE) |
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return(0); /* missed local objects */ |
