~ruther/qmk_firmware

ref: 16d2db5048acedfc9dd5f8e85ca19e50f139ba13 qmk_firmware/quantum/led_matrix/animations/band_pinwheel_anim.h -rw-r--r-- 464 bytes
16d2db50 — James Young Migrate `LOCKING_*_ENABLE` to Data-Driven: I-J (#23767) 11 months ago
                                                                                
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#ifdef ENABLE_LED_MATRIX_BAND_PINWHEEL
LED_MATRIX_EFFECT(BAND_PINWHEEL)
#    ifdef LED_MATRIX_CUSTOM_EFFECT_IMPLS

static uint8_t BAND_PINWHEEL_math(uint8_t val, int16_t dx, int16_t dy, uint8_t time) {
    return scale8(val - time - atan2_8(dy, dx) * 3, val);
}

bool BAND_PINWHEEL(effect_params_t* params) {
    return effect_runner_dx_dy(params, &BAND_PINWHEEL_math);
}

#    endif // LED_MATRIX_CUSTOM_EFFECT_IMPLS
#endif     // ENABLE_LED_MATRIX_BAND_PINWHEEL
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