Method PaintBrightSurprise

examples/LuminescentGrand/shared/Painter.cpp:409–448

}

void Painter::PaintBrightSurprise(
    const KeyboardState& keyboard,
    const int* led_column_table, int led_column_table_length,
    LedRopeInterface* led_rope) {

  led_rope->RawBeginDraw();
  int total_counted = 0;
  
  float r, g, b;
  r = g = b = 0;
  
  for (int i = 0; i < KeyboardState::kNumKeys; ++i) {
    const Key& key = keyboard.mKeys[i];
    

    if (key.mCurrColor.v_ > 0.0f) {
      const Color3i rgb = key.mCurrColor.ToRGB();
      r += rgb.r_;
      g += rgb.g_;
      b += rgb.b_;
      ++total_counted;
    }
  }
  
  float denom = total_counted ? total_counted : 1;
  r /= denom;
  g /= denom;
  b /= denom;
  

  const Color3i rgb(r, g, b);
  
  for (int i = 0; i < led_column_table_length; ++i) {
    const int n = led_column_table[i];
    for (int i = 0; i < n; ++i) {
      led_rope->RawDrawPixel(rgb);
    }
  }
  led_rope->RawCommitDraw();
}

void Painter::PaintVuSpaceInvaders(uint32_t /*now_ms*/,
                                   const KeyboardState& keyboard,