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SGI Developer Toolbox 6.1
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SGI Developer Toolbox 6.1 - Disc 4.iso
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src
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demos
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GL
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flight
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collision.h
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C/C++ Source or Header
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1994-08-01
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1KB
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41 lines
/*
* Copyright 1984-1991, 1992, 1993, 1994, Silicon Graphics, Inc.
* All Rights Reserved.
*
* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;
* the contents of this file may not be disclosed to third parties, copied or
* duplicated in any form, in whole or in part, without the prior written
* permission of Silicon Graphics, Inc.
*
* RESTRICTED RIGHTS LEGEND:
* Use, duplication or disclosure by the Government is subject to restrictions
* as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
* and Computer Software clause at DFARS 252.227-7013, and/or in similar or
* successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -
* rights reserved under the Copyright Laws of the United States.
*/
typedef struct grid {
int xsize, zsize;
float xmin, zmin;
float xmax, zmax;
float stepsize;
float **elv;
} grid_t;
/*
* collide_grid() returns true if the given point is lower than the given grid
* at the point's x and z location.
*/
extern int collide_grid(float px, float py, float pz, grid_t *g);
/*
* read_grid() reads a grid file
*/
extern grid_t *read_grid(char *fname);