quantum/rgb_matrix_animations/gradient_up_down_anim.h


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#ifndef DISABLE_RGB_MATRIX_GRADIENT_UP_DOWN
RGB_MATRIX_EFFECT(GRADIENT_UP_DOWN)
#    ifdef RGB_MATRIX_CUSTOM_EFFECT_IMPLS

bool GRADIENT_UP_DOWN(effect_params_t* params) {
    RGB_MATRIX_USE_LIMITS(led_min, led_max);

    HSV     hsv   = rgb_matrix_config.hsv;
    uint8_t scale = scale8(64, rgb_matrix_config.speed);
    for (uint8_t i = led_min; i < led_max; i++) {
        RGB_MATRIX_TEST_LED_FLAGS();
        // The y range will be 0..64, map this to 0..4
        // Relies on hue being 8-bit and wrapping
        hsv.h   = rgb_matrix_config.hsv.h + scale * (g_led_config.point[i].y >> 4);
        RGB rgb = hsv_to_rgb(hsv);
        rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b);
    }
    return led_max < DRIVER_LED_TOTAL;
}

#    endif  // RGB_MATRIX_CUSTOM_EFFECT_IMPLS
#endif      // DISABLE_RGB_MATRIX_GRADIENT_UP_DOWN