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/* Copyright 2021 HorrorTroll <https://github.com/HorrorTroll>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
// variable for startup animation
bool BASE_EFFECT_NOT_STARTED_YET = true;
uint8_t base_effect_startup_counter = 255;
uint8_t led_count = 11;
uint8_t led_first = 41;
static uint8_t time_to_led(uint8_t time, uint8_t led_behind) {
uint16_t led_time = led_count * time;
uint16_t step = ((2 * led_count + (led_time / 128)) - led_behind) % (2 * led_count);
uint8_t led;
if (step < led_count) {
led = step;
} else {
led = led_count - 1 - (step - led_count);
}
return led;
}
static HSV KITT_math(HSV hsv, uint8_t i, uint8_t time) {
// reset base effect startup
if (i == 0) {
BASE_EFFECT_NOT_STARTED_YET = true;
}
hsv.h = 0;
hsv.s = 255;
if (i >= led_first && i < led_first + led_count) {
uint8_t j = i - led_first;
if (j == time_to_led(time, 0)) {
hsv.v = hsv.v;
} else if (j == time_to_led(time, 1)) {
hsv.v = hsv.v/2;
} else if (j == time_to_led(time, 2)) {
hsv.v = hsv.v/4;
} else if (j == time_to_led(time, 3)) {
hsv.v = hsv.v/8;
} else {
hsv.v = 0;
}
} else {
hsv.v = 0;
}
return hsv;
}
bool KITT(effect_params_t* params) { return effect_runner_i(params, &KITT_math); }
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