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qmk_firmware

custom branch of QMK firmware git clone https://anongit.hacktivis.me/git/qmk_firmware.git

raindrops_anim.h (1469B)

    

  1. #ifdef ENABLE_RGB_MATRIX_RAINDROPS
  2. RGB_MATRIX_EFFECT(RAINDROPS)
  3. #    ifdef RGB_MATRIX_CUSTOM_EFFECT_IMPLS
  5. static void raindrops_set_color(uint8_t i, effect_params_t* params) {
  6.     if (!HAS_ANY_FLAGS(g_led_config.flags[i], params->flags)) return;
  7.     hsv_t hsv = rgb_matrix_config.hsv;
  9.     // Take the shortest path between hues
  10.     int16_t deltaH = ((hsv.h + 180) % 360 - hsv.h) / 4;
  11.     if (deltaH > 127) {
  12.         deltaH -= 256;
  13.     } else if (deltaH < -127) {
  14.         deltaH += 256;
  15.     }
  17.     hsv.h += (deltaH * random8_max(3));
  18.     rgb_t rgb = rgb_matrix_hsv_to_rgb(hsv);
  19.     rgb_matrix_set_color(i, rgb.r, rgb.g, rgb.b);
  20. }
  22. bool RAINDROPS(effect_params_t* params) {
  23.     static uint16_t index = RGB_MATRIX_LED_COUNT + 1;
  25.     // Periodic trigger for LED change
  26.     if ((params->iter == 0) && (scale16by8(g_rgb_timer, qadd8(rgb_matrix_config.speed, 16)) % 10 == 0)) {
  27.         index = random8_max(RGB_MATRIX_LED_COUNT);
  28.     }
  30.     RGB_MATRIX_USE_LIMITS(led_min, led_max);
  31.     if (params->init) {
  32.         for (uint8_t i = led_min; i < led_max; i++) {
  33.             raindrops_set_color(i, params);
  34.         }
  35.     }
  36.     // Change LED once and set index out of range till next trigger
  37.     else if (led_min <= index && index < led_max) {
  38.         raindrops_set_color(index, params);
  39.         index = RGB_MATRIX_LED_COUNT + 1;
  40.     }
  41.     return rgb_matrix_check_finished_leds(led_max);
  42. }
  44. #    endif // RGB_MATRIX_CUSTOM_EFFECT_IMPLS
  45. #endif     // ENABLE_RGB_MATRIX_RAINDROPS