test/scanTest1.c


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#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <math.h>

typedef struct Color {
    unsigned char r;
    unsigned char g;
    unsigned char b;
    unsigned char a;
} Color;

Color lineScanner(uint16_t x, uint16_t y, uint32_t frameNumber)
{
    uint8_t c = 0;
    uint8_t scale = random() % 2 + 7;

    if (frameNumber % 1024 >= 512)
    {
        uint8_t section = frameNumber % 300;

        if (section >= 200)
        {
            c =  (x >> 8) + (uint8_t)(hypot(x >> 8, y >> 8) * (frameNumber % 255));
        } else if (section >= 100) {
            c =  (x >> 8) + (uint8_t)(hypot(cos(x >> scale), sin(y >> scale)) * (frameNumber % 255));
        } else {
            c = frameNumber + hypot((x - 32768) >> scale, (y - 32768) >> scale);
        }
    } else {
        uint8_t c1 =  (x >> 8) + (uint8_t)(hypot(x >> 8, y >> 8) * (frameNumber % 255));
        uint8_t c2 =  (x >> 8) + (uint8_t)(hypot(cos(x >> scale), sin(y >> scale)) * (frameNumber % 255));
        uint8_t c3 = frameNumber + hypot((x - 32768) >> scale, (y - 32768) >> scale);

        c = c1 & c2 & c3;
    }

    return (Color){
        .r = (uint8_t)(sin(c) * 127),
        .g = c - 127,
        .b = c,
        .a = 255
    };
}