+++ /dev/null
-/* GLBUBBLES (C) 1998 Richard W.M. Jones. */
-
-#ifndef __bubbles3d_h__
-#define __bubbles3d_h__
-
-#include <X11/Intrinsic.h>
-
-#ifdef STANDALONE
-# include <math.h>
-# include "xlockmoreI.h" /* from the xscreensaver distribution */
-#else /* !STANDALONE */
-# include "xlock.h" /* from the xlockmore distribution */
-#endif /* !STANDALONE */
-
-#include <GL/gl.h>
-#include <GL/glu.h>
-
-/* Static configuration. */
-#define GLB_SLOW_GL 1 /* Set this if you have a slow GL
- * implementation. If you have an accelerated
- * graphics card, set this to 0.
- */
-#define GLB_USE_BLENDING 0 /* Use alpha feature to create see-through
- * bubbles.
- */
-#define GLB_VERTICES_EPSILON 0.0005 /* How close are identical vertices? */
-
-/* Configuration structure. */
-struct glb_config {
- int subdivision_depth; /* Controls how many triangles are in
- * each bubble. 2 and 3 are good values.
- */
- int nr_nudge_axes; /* Number of directions in which each
- * bubble gets stretched. Values between
- * 3 and 7 seem to produce good results.
- */
- GLfloat nudge_angle_factor; /* Max. amount of rotation in nudge angles.
- * Controls the amount of `wobble' we see,
- * and 0.3 seems to work well.
- */
- GLfloat nudge_factor; /* Max. displacement of any single nudge.
- * Controls the amount of the wobble. Depends
- * on NR_NUDGE_AXES, and must not exceed
- * 1 / NR_NUDGE_AXES. 0.1 is good.
- */
- GLfloat rotation_factor; /* Max. amount by which bubbles rotate. */
- int create_bubbles_every; /* How often to create new bubbles. */
- int max_bubbles; /* Max. number of bubbles to create. */
- double p_bubble_group[4]; /* Probabilities of creating 1, 2, 3, 4
- * bubbles in a group. Cumulative.
- */
- GLfloat max_size; /* Max. size. */
- GLfloat min_size; /* Min. size of bubbles. */
- GLfloat max_speed; /* Max. speed. */
- GLfloat min_speed; /* Min. speed of bubbles. */
- GLfloat scale_factor; /* Factor by which bubbles scale from bottom
- * of screen to top. 1.5 - 2.0 are OK.
- */
- GLfloat screen_bottom; /* Bottom of screen. */
- GLfloat screen_top; /* Top of screen. */
- GLfloat bg_colour[4]; /* Background colour. */
- GLfloat bubble_colour[4]; /* Colour of the bubbles. */
-};
-
-extern struct glb_config glb_config;
-
-#define glb_drand() ((double)LRAND() / (double)MAXRAND)
-
-/*-- From glb_sphere.c. --*/
-typedef GLfloat glb_vertex[3];
-typedef GLuint glb_triangle[3];
-extern void glb_sphere_init(void);
-extern glb_vertex *glb_sphere_get_vertices(int *nr_vertices);
-extern glb_triangle *glb_sphere_get_triangles(int *nr_triangles);
-extern void glb_sphere_end(void);
-
-/*-- From glb_bubble.c. --*/
-extern void *glb_bubble_new(GLfloat x, GLfloat y, GLfloat z, GLfloat scale,
- GLfloat y_incr, GLfloat scale_incr);
-extern void glb_bubble_delete(void *);
-extern void glb_bubble_step(void *);
-extern void glb_bubble_draw(void *);
-extern GLfloat glb_bubble_get_y(void *);
-
-/*-- From glb_draw.c. --*/
-extern void *glb_draw_init(void);
-extern void glb_draw_step(void *);
-extern void glb_draw_end(void *);
-
-#endif /* __bubbles3d_h__ */