qmk_firmware/quantum/rgb_matrix_animations/rainbow_pinwheels_anim.h

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#pragma once
#ifndef DISABLE_RGB_MATRIX_RAINBOW_PINWHEELS
extern rgb_counters_t g_rgb_counters;
extern led_config_t g_led_config;
extern rgb_config_t rgb_matrix_config;
bool rgb_matrix_rainbow_pinwheels(effect_params_t* params) {
RGB_MATRIX_USE_LIMITS(led_min, led_max);
HSV hsv = { 0, rgb_matrix_config.sat, rgb_matrix_config.val };
uint16_t time = scale16by8(g_rgb_counters.tick, rgb_matrix_config.speed / 4);
int16_t cos_value = 3 * (cos8(time) - 128);
int16_t sin_value = 3 * (sin8(time) - 128);
for (uint8_t i = led_min; i < led_max; i++) {
RGB_MATRIX_TEST_LED_FLAGS();
hsv.h = ((g_led_config.point[i].y - 32) * cos_value + (56 - abs8(g_led_config.point[i].x - 112)) * sin_value) / 128 + rgb_matrix_config.hue;
RGB rgb = hsv_to_rgb(hsv);
rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b);
}
return led_max < DRIVER_LED_TOTAL;
}
#endif // DISABLE_RGB_MATRIX_RAINBOW_PINWHEELS