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missing file, oups

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tth 2021-02-14 13:16:58 +01:00
parent 57af8c2e93
commit b1cca46a8a
1 changed files with 43 additions and 0 deletions
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funcs/plasmas.c Normal file
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/*
PLASMAS
Inspiration Reep : https://blog.314r.net/2021/01/10/plasma/
*/
#include <stdio.h>
#include <math.h>
#include "../floatimg.h"
extern int verbosity;
/* --------------------------------------------------------------------- */
/* --------------------------------------------------------------------- */
int fimg_prototype_plasma(FloatImg *img, double time, int type)
{
int x, y;
float rgb[3];
double dx, dy;
fprintf(stderr, ">>> %s ( %p %.3f %d )\n", __func__,
img, time, type);
for (y=0; y<img->height; y++) {
dy = ((double)y/(double)img->height) - 0.5000;
for (x=0; x<img->width; x++) {
dx = ((double)x/(double)img->width) - 0.5000;
rgb[0] = sin(dx*10 + time) + 1.0;
rgb[1] = sin(dx*12 + time) + 1.0;
rgb[2] = sin(dx*14 + time) + 1.0;
fimg_put_rgb(img, x, y, rgb);
}
}
return 0;
}
/* --------------------------------------------------------------------- */