Bibliothèque de traitements d'images en virgule flottante.
http://la.buvette.org/photos/cumul/
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43 lines
908 B
43 lines
908 B
/* |
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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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