qmk-dactyl-manuform-a/quantum/rgb_matrix_animations/rainbow_pinwheels_anim.h

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#ifndef DISABLE_RGB_MATRIX_RAINBOW_PINWHEELS
RGB_MATRIX_EFFECT(PINWHEELS)
#ifdef RGB_MATRIX_CUSTOM_EFFECT_IMPLS
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static void PINWHEELS_math(HSV* hsv, int8_t sin, int8_t cos, uint8_t i, uint8_t time) {
hsv->h = ((g_led_config.point[i].y - k_rgb_matrix_center.y) * 3 * cos + (56 - abs8(g_led_config.point[i].x - k_rgb_matrix_center.x)) * 3 * sin) / 128 + rgb_matrix_config.hue;
}
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bool PINWHEELS(effect_params_t* params) {
return effect_runner_sin_cos_i(params, &PINWHEELS_math);
}
#endif // RGB_MATRIX_CUSTOM_EFFECT_IMPLS
#endif // DISABLE_RGB_MATRIX_RAINBOW_PINWHEELS