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Diffstat (limited to 'hacks/glx/rotator.h')
| -rw-r--r-- | hacks/glx/rotator.h | 60 |
1 files changed, 0 insertions, 60 deletions
diff --git a/hacks/glx/rotator.h b/hacks/glx/rotator.h deleted file mode 100644 index b3f36f6..0000000 --- a/hacks/glx/rotator.h +++ /dev/null @@ -1,60 +0,0 @@ -/* xscreensaver, Copyright (c) 1998-2002 Jamie Zawinski <jwz@jwz.org> - * - * Permission to use, copy, modify, distribute, and sell this software and its - * documentation for any purpose is hereby granted without fee, provided that - * the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation. No representations are made about the suitability of this - * software for any purpose. It is provided "as is" without express or - * implied warranty. - */ - -#ifndef __ROTATOR_H__ -#define __ROTATOR_H__ - -typedef struct rotator rotator; - -/* Returns a rotator object, which encapsulates rotation and motion state. - - spin_[xyz]_speed indicates the relative speed of rotation. - Specify 0 if you don't want any rotation around that axis. - - spin_accel specifies a scaling factor for the acceleration that is - randomly applied to spin: if you want the speed to change faster, - make this > 1. - - wander_speed indicates the relative speed through space. - - If randomize_initial_state_p is true, then the initial position and - rotation will be randomized (even if the spin speeds are 0.) If it - is false, then all values will be initially zeroed. - */ -extern rotator *make_rotator (double spin_x_speed, - double spin_y_speed, - double spin_z_speed, - double spin_accel, - double wander_speed, - int randomize_initial_state_p); - -/* Rotates one step, and returns the new rotation values. - x, y, and z range from 0.0-1.0, the fraction through the circle - (*not* radians or degrees!) - If `update_p' is non-zero, then (maybe) rotate first. - */ -extern void get_rotation (rotator *rot, - double *x_ret, double *y_ret, double *z_ret, - int update_p); - -/* Moves one step, and returns the new position values. - x, y, and z range from 0.0-1.0, the fraction through space: - scale those values as needed. - If `update_p' is non-zero, then (maybe) move first. - */ -extern void get_position (rotator *rot, - double *x_ret, double *y_ret, double *z_ret, - int update_p); - -/* Destroys and frees a `rotator' object. */ -extern void free_rotator (rotator *r); - -#endif /* __ROTATOR_H__ */ |
