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more experiments

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Tonton Th
2021-01-03 15:21:38 +01:00
parent 87c681ac70
commit 1d6f0e8b4e
9 changed files with 114 additions and 14 deletions
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22
Fonderie/glitches.c
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@@ -16,6 +16,28 @@
extern int verbosity;
/* -------------------------------------------------------------- */
/* nouveau du 32 decembre 2020, endless september */
int do_something(FloatImg *pimg, int notused)
{
int ypos, idx, pos, sline;
#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( %p %d )\n", __func__, pimg, notused);
#endif
ypos = rand() % pimg->width;
for (idx=0; idx < pimg->height; idx++) {
sline = idx * pimg->width;
pos = sline + ypos;
// fprintf(stderr, "%6d %6d\n", idx, sline);
pimg->R[pos] = pimg->G[pos];
pimg->B[pos] = pimg->G[pos];
}
return 0;
}
/* -------------------------------------------------------------- */
int kill_a_random_line(FloatImg *pvictime, float fval, int bits)
{