* random scattering of points.
*/
-/*-
- * due to a Bug/feature in VMS X11/Intrinsic.h has to be placed before xlock.
- * otherwise caddr_t is not defined correctly
- */
-
-#include <X11/Intrinsic.h>
-
#ifdef STANDALONE
-# define PROGCLASS "Sierpinski3D"
-# define HACK_INIT init_gasket
-# define HACK_DRAW draw_gasket
-# define HACK_RESHAPE reshape_gasket
-# define HACK_HANDLE_EVENT gasket_handle_event
-# define EVENT_MASK PointerMotionMask
-# define gasket_opts xlockmore_opts
-
-
-#define DEF_SPIN "True"
-#define DEF_WANDER "True"
-#define DEF_SPEED "150"
-#define DEF_MAXDEPTH "5"
-
# define DEFAULTS "*delay: 20000 \n" \
"*showFPS: False \n" \
"*wireframe: False \n" \
- "*maxDepth: " DEF_MAXDEPTH "\n" \
- "*speed: " DEF_SPEED "\n" \
- "*spin: " DEF_SPIN "\n" \
- "*wander: " DEF_WANDER "\n" \
+# define refresh_gasket 0
# include "xlockmore.h" /* from the xscreensaver distribution */
#else /* !STANDALONE */
# include "xlock.h" /* from the xlockmore distribution */
#ifdef USE_GL
-#include <GL/glu.h>
+#define DEF_SPIN "True"
+#define DEF_WANDER "True"
+#define DEF_SPEED "150"
+#define DEF_MAXDEPTH "5"
+
#include "rotator.h"
#include "gltrackball.h"
static Bool do_wander;
static XrmOptionDescRec opts[] = {
- {"-depth", ".sierpinski3d.maxDepth", XrmoptionSepArg, (caddr_t) 0 },
- {"-speed", ".sierpinski3d.speed", XrmoptionSepArg, (caddr_t) 0 },
+ {"-depth", ".sierpinski3d.maxDepth", XrmoptionSepArg, 0 },
+ {"-speed", ".sierpinski3d.speed", XrmoptionSepArg, 0 },
{ "-spin", ".spin", XrmoptionNoArg, "True" },
{ "+spin", ".spin", XrmoptionNoArg, "False" },
{ "-wander", ".wander", XrmoptionNoArg, "True" },
};
-ModeSpecOpt gasket_opts = {countof(opts), opts, countof(vars), vars, NULL};
+ENTRYPOINT ModeSpecOpt gasket_opts = {countof(opts), opts, countof(vars), vars, NULL};
#ifdef USE_MODULES
ModStruct gasket_description =
int ccolor2;
int ccolor3;
+ int tick;
+
+ GLfloat normals[4][3];
+
} gasketstruct;
static gasketstruct *gasket = NULL;
-static GLfloat normals[4][3];
-
-\f
static void
triangle (GLfloat x1, GLfloat y1, GLfloat z1,
}
static void
-four_tetras (GL_VECTOR *outer, Bool wireframe_p, int countdown, int which,
+four_tetras (gasketstruct *gp,
+ GL_VECTOR *outer, Bool wireframe_p, int countdown, int which,
int *countP)
{
if (countdown <= 0)
(*countP)++;
if (which == 0)
{
- glNormal3f (normals[0][0], normals[0][1], normals[0][2]);
+ glNormal3f (gp->normals[0][0], gp->normals[0][1], gp->normals[0][2]);
triangle (outer[0].x, outer[0].y, outer[0].z,
outer[1].x, outer[1].y, outer[1].z,
outer[2].x, outer[2].y, outer[2].z,
}
else if (which == 1)
{
- glNormal3f (normals[1][0], normals[1][1], normals[1][2]);
+ glNormal3f (gp->normals[1][0], gp->normals[1][1], gp->normals[1][2]);
triangle (outer[0].x, outer[0].y, outer[0].z,
outer[3].x, outer[3].y, outer[3].z,
outer[1].x, outer[1].y, outer[1].z,
}
else if (which == 2)
{
- glNormal3f (normals[2][0], normals[2][1], normals[2][2]);
+ glNormal3f (gp->normals[2][0], gp->normals[2][1], gp->normals[2][2]);
triangle (outer[0].x, outer[0].y, outer[0].z,
outer[2].x, outer[2].y, outer[2].z,
outer[3].x, outer[3].y, outer[3].z,
}
else
{
- glNormal3f (normals[3][0], normals[3][1], normals[3][2]);
+ glNormal3f (gp->normals[3][0], gp->normals[3][1], gp->normals[3][2]);
triangle (outer[1].x, outer[1].y, outer[1].z,
outer[3].x, outer[3].y, outer[3].z,
outer[2].x, outer[2].y, outer[2].z,
corner[1] = inner[M01];
corner[2] = inner[M02];
corner[3] = inner[M03];
- four_tetras (corner, wireframe_p, countdown, which, countP);
+ four_tetras (gp, corner, wireframe_p, countdown, which, countP);
corner[0] = inner[M01];
corner[1] = outer[1];
corner[2] = inner[M12];
corner[3] = inner[M13];
- four_tetras (corner, wireframe_p, countdown, which, countP);
+ four_tetras (gp, corner, wireframe_p, countdown, which, countP);
corner[0] = inner[M02];
corner[1] = inner[M12];
corner[2] = outer[2];
corner[3] = inner[M23];
- four_tetras (corner, wireframe_p, countdown, which, countP);
+ four_tetras (gp, corner, wireframe_p, countdown, which, countP);
corner[0] = inner[M03];
corner[1] = inner[M13];
corner[2] = inner[M23];
corner[3] = outer[3];
- four_tetras (corner, wireframe_p, countdown, which, countP);
+ four_tetras (gp, corner, wireframe_p, countdown, which, countP);
}
}
GL_VECTOR vertex[5];
- normals[0][0] = 0;
- normals[0][1] = 0;
- normals[0][2] = -sqrt(2.0 / 3.0);
+ gp->normals[0][0] = 0;
+ gp->normals[0][1] = 0;
+ gp->normals[0][2] = -sqrt(2.0 / 3.0);
- normals[1][0] = 0;
- normals[1][1] = -sqrt(0.75);
- normals[1][2] = sqrt(2.0 / 3.0) / 3.0;
+ gp->normals[1][0] = 0;
+ gp->normals[1][1] = -sqrt(0.75);
+ gp->normals[1][2] = sqrt(2.0 / 3.0) / 3.0;
- normals[2][0] = sqrt (0.5);
- normals[2][1] = sqrt(0.75) / 2.0;
- normals[2][2] = normals[1][2];
+ gp->normals[2][0] = sqrt (0.5);
+ gp->normals[2][1] = sqrt(0.75) / 2.0;
+ gp->normals[2][2] = gp->normals[1][2];
- normals[3][0] = -normals[2][0];
- normals[3][1] = normals[2][1];
- normals[3][2] = normals[1][2];
+ gp->normals[3][0] = -gp->normals[2][0];
+ gp->normals[3][1] = gp->normals[2][1];
+ gp->normals[3][2] = gp->normals[1][2];
/* define verticies */
vertex[4].z = 0.0;
count = 0;
- four_tetras (vertex, wireframe_p,
+ four_tetras (gp, vertex, wireframe_p,
(gp->current_depth < 0
? -gp->current_depth : gp->current_depth),
which,
{
Bool wireframe_p = MI_IS_WIREFRAME(mi);
gasketstruct *gp = &gasket[MI_SCREEN(mi)];
- static int tick = 999999;
- static GLfloat pos[4] = {-4.0, 3.0, 10.0, 1.0};
- static float white[] = {1.0, 1.0, 1.0, 1.0};
- static float color0[] = {0.0, 0.0, 0.0, 1.0};
- static float color1[] = {0.0, 0.0, 0.0, 1.0};
- static float color2[] = {0.0, 0.0, 0.0, 1.0};
- static float color3[] = {0.0, 0.0, 0.0, 1.0};
+ static const GLfloat pos[] = {-4.0, 3.0, 10.0, 1.0};
+ static const GLfloat white[] = {1.0, 1.0, 1.0, 1.0};
+
+ GLfloat color0[] = {0.0, 0.0, 0.0, 1.0};
+ GLfloat color1[] = {0.0, 0.0, 0.0, 1.0};
+ GLfloat color2[] = {0.0, 0.0, 0.0, 1.0};
+ GLfloat color3[] = {0.0, 0.0, 0.0, 1.0};
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPopMatrix();
- if (tick++ >= speed)
+ if (gp->tick++ >= speed)
{
- tick = 0;
+ gp->tick = 0;
if (gp->current_depth >= max_depth)
gp->current_depth = -max_depth;
gp->current_depth++;
/* new window size or exposure */
-void
+ENTRYPOINT void
reshape_gasket(ModeInfo *mi, int width, int height)
{
GLfloat h = (GLfloat) height / (GLfloat) width;
}
-Bool
+ENTRYPOINT Bool
gasket_handle_event (ModeInfo *mi, XEvent *event)
{
gasketstruct *gp = &gasket[MI_SCREEN(mi)];
if (event->xany.type == ButtonPress &&
- event->xbutton.button & Button1)
+ event->xbutton.button == Button1)
{
gp->button_down_p = True;
gltrackball_start (gp->trackball,
return True;
}
else if (event->xany.type == ButtonRelease &&
- event->xbutton.button & Button1)
+ event->xbutton.button == Button1)
{
gp->button_down_p = False;
return True;
}
+ else if (event->xany.type == ButtonPress &&
+ (event->xbutton.button == Button4 ||
+ event->xbutton.button == Button5 ||
+ event->xbutton.button == Button6 ||
+ event->xbutton.button == Button7))
+ {
+ gltrackball_mousewheel (gp->trackball, event->xbutton.button, 10,
+ !!event->xbutton.state);
+ return True;
+ }
else if (event->xany.type == MotionNotify &&
gp->button_down_p)
{
}
-void
+ENTRYPOINT void
init_gasket(ModeInfo *mi)
{
int screen = MI_SCREEN(mi);
gp->ccolor1 = gp->ncolors * 0.25;
gp->ccolor2 = gp->ncolors * 0.5;
gp->ccolor3 = gp->ncolors * 0.75;
+ gp->tick = 999999;
if ((gp->glx_context = init_GL(mi)) != NULL)
{
}
}
-void
+ENTRYPOINT void
draw_gasket(ModeInfo * mi)
{
gasketstruct *gp = &gasket[MI_SCREEN(mi)];
glXSwapBuffers(display, window);
}
-void
+ENTRYPOINT void
release_gasket(ModeInfo * mi)
{
if (gasket != NULL)
FreeAllGL(mi);
}
+XSCREENSAVER_MODULE_2 ("Sierpinski3D", sierpinski3d, gasket)
/*********************************************************/
projects / xscreensaver / blobdiff