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authorSimon Rettberg2024-09-06 14:42:37 +0200
committerSimon Rettberg2024-09-06 14:42:37 +0200
commitbadef32037f52f79abc1f1440b786cd71afdf270 (patch)
tree412b792d4cab4a7a110db82fcf74fe8a1ac55ec1 /hacks/glx/stonerview.h
parentDelete pre-6.00 files (diff)
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Diffstat (limited to 'hacks/glx/stonerview.h')
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diff --git a/hacks/glx/stonerview.h b/hacks/glx/stonerview.h
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-/* StonerView: An eccentric visual toy.
- Copyright 1998-2021 by Andrew Plotkin (erkyrath@eblong.com)
-
- 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 __STONERVIEW_H__
-# define __STONERVIEW_H__
-
-typedef struct stonerview_state stonerview_state;
-
-#include "stonerview-osc.h"
-#include "stonerview-move.h"
-
-struct stonerview_state {
-
- int wireframe;
- int transparent;
-
- /* The list of polygons. This is filled in by move_increment(), and rendered
- by perform_render(). */
- int num_els;
- stonerview_elem_t *elist;
-
- /* A linked list of all osc_t objects created. New objects are added
- to the end of the list, not the beginning. */
- osc_t *oscroot;
- osc_t **osctail;
-
- /* The polygons are controlled by four parameters. Each is represented by
- an osc_t object, which is just something that returns a stream of numbers.
- (Originally the name stood for "oscillator", but it does ever so much more
- now... see osc.c.)
- Imagine a cylinder with a vertical axis (along the Z axis), stretching
- from Z=1 to Z=-1, and a radius of 1.
- */
- osc_t *theta; /* Angle around the axis. This is expressed in
- hundredths of a degree, so it's actually 0 to 36000. */
- osc_t *rad; /* Distance from the axis. This goes up to 1000,
- but we actually allow negative distances -- that just
- goes to the opposite side of the circle -- so the range
- is really -1000 to 1000. */
- osc_t *alti; /* Height (Z position). This goes from -1000 to 1000. */
- osc_t *color; /* Consider this to be an angle of a circle going
- around the color wheel. It's in tenths of a degree
- (consistency is all I ask) so it ranges from 0 to 3600. */
-};
-
-#endif /* __STONERVIEW_H__ */