forked from tTh/FloatImg
missing file, oups
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/*
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PLASMAS
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Inspiration Reep : https://blog.314r.net/2021/01/10/plasma/
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*/
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#include <stdio.h>
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#include <math.h>
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#include "../floatimg.h"
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extern int verbosity;
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/* --------------------------------------------------------------------- */
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/* --------------------------------------------------------------------- */
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int fimg_prototype_plasma(FloatImg *img, double time, int type)
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{
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int x, y;
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float rgb[3];
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double dx, dy;
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fprintf(stderr, ">>> %s ( %p %.3f %d )\n", __func__,
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img, time, type);
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for (y=0; y<img->height; y++) {
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dy = ((double)y/(double)img->height) - 0.5000;
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for (x=0; x<img->width; x++) {
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dx = ((double)x/(double)img->width) - 0.5000;
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rgb[0] = sin(dx*10 + time) + 1.0;
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rgb[1] = sin(dx*12 + time) + 1.0;
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rgb[2] = sin(dx*14 + time) + 1.0;
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fimg_put_rgb(img, x, y, rgb);
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}
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}
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return 0;
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}
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/* --------------------------------------------------------------------- */
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