karma/flying-balls
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removed inoperative clear-alpha feature.

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This commit is contained in:
Antonio Carzaniga 2021-12-03 16:05:51 +01:00
parent 1c451f76ef
commit 3eb4f1f243
1 changed files with 1 additions and 6 deletions
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7
balls.c
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@ -33,8 +33,6 @@ unsigned int n_balls = 50;
double g_y = 20; double g_y = 20;
double g_x = 0; double g_x = 0;
double clear_alpha = 1.0;
void random_velocity(struct ball * p) { void random_velocity(struct ball * p) {
double r2; double r2;
do { do {
@ -387,7 +385,7 @@ void draw_balls (cairo_t * cr) {
} }
gboolean draw_frame (GtkWidget * widget, cairo_t *cr, gpointer data) { gboolean draw_frame (GtkWidget * widget, cairo_t *cr, gpointer data) {
cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, clear_alpha); cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 1.0);
cairo_paint(cr); cairo_paint(cr);
draw_gravity_vector(cr); draw_gravity_vector(cr);
draw_balls(cr); draw_balls(cr);
@ -496,7 +494,6 @@ void print_usage (const char * progname) {
"\tv=<min-velocity>-<max-velocity>\n" "\tv=<min-velocity>-<max-velocity>\n"
"\tdelta=<frame-delta-time> (in seconds)\n" "\tdelta=<frame-delta-time> (in seconds)\n"
"\tface=<filename>\n" "\tface=<filename>\n"
"\tclear=<clear-alpha>\n"
"\tstats=<sample-count> :: rendering timing statitstics (0=disabled, default)\n" "\tstats=<sample-count> :: rendering timing statitstics (0=disabled, default)\n"
"\tcollisions=<C> :: n=no collisions, s=simple, i=index\n" "\tcollisions=<C> :: n=no collisions, s=simple, i=index\n"
"\t-r :: activate face rotation\n", "\t-r :: activate face rotation\n",
@ -567,8 +564,6 @@ int main (int argc, const char *argv[]) {
face_filename = argv[i] + 5; face_filename = argv[i] + 5;
continue; continue;
} }
if (sscanf(argv[i], "clear=%lf", &clear_alpha) == 1)
continue;
if (sscanf(argv[i], "stats=%u", &stats_sampling) == 1) if (sscanf(argv[i], "stats=%u", &stats_sampling) == 1)
continue; continue;
char collisions; char collisions;