Cleaned up repository

- only moving files around

esp-firmware/lib/ledtl/effects/Circular.h

@@ -0,0 +1,90 @@
+#pragma once
+
+#include "effects/Common.h"
+#include "helpers/ColorRGBW.h"
+#include "helpers/BellCurve.h"
+
+#pragma pack(push, 1)
+struct EffectCircularConfig
+{
+  float speed; // in degrees per second
+  float width; // width in degrees
+  ColorRGBW color;
+};
+#pragma pack(pop)
+
+template <typename TLedStrip>
+class EffectCircular
+{
+public:
+  static constexpr auto NUM_LEDS = numLeds<TLedStrip>();
+  static constexpr int DELAY_MS = 10;
+  using ConfigType = EffectCircularConfig;
+
+  EffectCircular(const EffectCircularConfig &cfg, TLedStrip &ledStrip)
+      : config_(cfg),
+        ledStrip_(ledStrip),
+        currentPosition_(0),
+        widthInLeds_((numLeds(ledStrip) * cfg.width / 360)),
+        invWidth_(1.0f / widthInLeds_)
+  {
+  }
+
+  int operator()()
+  {
+    int startLed = int(currentPosition_);
+    float distDown = currentPosition_ - float(startLed);
+    float distUp = 1.f - distDown;
+
+    clear(ledStrip_);
+    // center
+    setLedRGBW(ledStrip_, startLed,
+               config_.color * bellCurveApproximation(distDown, invWidth_));
+
+    // down
+    for (int i = 1; i < widthInLeds_ / 2 + 1; ++i)
+    {
+      setLedRGBW(ledStrip_, startLed - i,
+                 config_.color * bellCurveApproximation(distDown + i, invWidth_));
+    }
+
+    // up
+    for (int i = 1; i < widthInLeds_ / 2 + 1; ++i)
+    {
+      setLedRGBW(ledStrip_, startLed + i,
+                 config_.color * bellCurveApproximation(distUp + i - 1, invWidth_));
+    }
+
+    currentPosition_ += config_.speed / 1000 / 360 * NUM_LEDS * DELAY_MS;
+    if (currentPosition_ > NUM_LEDS)
+      currentPosition_ -= NUM_LEDS;
+
+    return DELAY_MS;
+  }
+
+private:
+  EffectCircularConfig config_;
+  TLedStrip &ledStrip_;
+  float currentPosition_; // between 0 and num leds
+  int widthInLeds_;
+  float invWidth_;
+};
+
+// Traits
+template <>
+struct EffectIdToConfig<EffectId::CIRCULAR>
+{
+  using type = EffectCircularConfig;
+};
+
+template <>
+struct EffectConfigToId<EffectCircularConfig>
+{
+  static constexpr auto id = EffectId::CIRCULAR;
+};
+
+template <typename TLedStrip>
+struct EffectIdToClass<EffectId::CIRCULAR, TLedStrip>
+{
+  using type = EffectCircular<TLedStrip>;
+};