Added connection-established animation on startup

include/Animation/AllAnimations.h

@@ -1,3 +1,4 @@
 #pragma once
 
 #include "ConnectingAnimation.h"
+#include "ConnectionEstablishedAnimation.h"

include/Animation/Animation.h

@@ -41,10 +41,11 @@ class Animation
         /*!
          * Reset function of the animation code. This should clear any
          * internal state.
-         * 
-         * By default does nothing.
          */
-        virtual void reset(void) {};
+        virtual void reset(void)
+        {
+            m_running = true;
+        };
 
     protected:
         Fader *m_fader;

include/Animation/ConnectionEstablishedAnimation.h

@@ -0,0 +1,18 @@
+#pragma once
+
+#include <random>
+
+#include "Animation.h"
+
+class ConnectionEstablishedAnimation : public Animation
+{
+    public:
+        ConnectionEstablishedAnimation(Fader *fader, bool connected);
+
+        void loop(uint64_t frame) override;
+
+    private:
+        bool m_connected;
+
+        std::default_random_engine m_gen;
+};

src/Animation/AnimationController.cpp

@@ -1,5 +1,3 @@
-#include <Arduino.h>
-
 #include "Animation/AnimationController.h"
 
 AnimationController::AnimationController(Fader *fader)
@@ -25,6 +23,8 @@ void AnimationController::loop(void)
         m_animation->loop(m_frame);
     }
 
+    m_frame++;
+
     if(m_nextAnimation &&
         (!m_animation || m_animation->finished())) {
         // old animation has finished or is unset -> start the new one
@@ -32,8 +32,6 @@ void AnimationController::loop(void)
         m_animation.swap(m_nextAnimation);
         m_nextAnimation.reset(nullptr);
     }
-
-    m_frame++;
 }
 
 void AnimationController::restart(void)

src/Animation/ConnectingAnimation.cpp

@@ -17,7 +17,7 @@ void ConnectingAnimation::loop(uint64_t frame)
     }
 
     for(std::size_t strip = 0; strip < nstrip; strip++) {
-        intensity = (fasttrigon::fastsin(1 * frame * fasttrigon::LUT_SIZE / 60) + 127) / 4;
+        intensity = (fasttrigon::fastsin(1 * frame * fasttrigon::LUT_SIZE / 60 + fasttrigon::LUT_SIZE*3/4) + 127) / 4;
 
         Fader::Color c;
         c.b = intensity;
@@ -25,8 +25,8 @@ void ConnectingAnimation::loop(uint64_t frame)
         m_fader->set_color(strip, 0, c);
     }
 
-    // stop the animation if everything is dark
-    if(m_stopping && intensity == 0) {
+    // stop the animation at maximum level for smooth transition to ConnectionEstablishedAnimation
+    if(m_stopping && intensity == 63) {
         m_running = false;
     }
 }

src/Animation/ConnectionEstablishedAnimation.cpp

@@ -0,0 +1,44 @@
+#include "Animation/ConnectionEstablishedAnimation.h"
+
+ConnectionEstablishedAnimation::ConnectionEstablishedAnimation(Fader *fader, bool connected)
+    : Animation(fader), m_connected(connected)
+{}
+
+void ConnectionEstablishedAnimation::loop(uint64_t frame)
+{
+    std::size_t nled = m_fader->modules_per_strip();
+    std::size_t nstrip = m_fader->strips();
+    uint8_t intensity = 0;
+
+    std::uniform_int_distribution<uint8_t> flareVariation(0, 31);
+
+    if(frame == 0) {
+        m_fader->set_fadestep(1);
+        m_fader->fade_color(Fader::Color{0, 0, 0, 0});
+    }
+
+    std::size_t led = frame/3;
+
+    if(led < nled) {
+        if((frame % 3) == 0) {
+            for(std::size_t strip = 0; strip < nstrip; strip++) {
+                intensity = 48 + flareVariation(m_gen);
+
+                Fader::Color c;
+                if(m_connected) {
+                    c.g = intensity * led / nled;
+                } else {
+                    c.r = intensity * led / nled;
+                }
+
+                c.b = (intensity - intensity * led / nled) / 2;
+
+                m_fader->set_color(strip, led, c);
+                m_fader->fade_color(strip, led, Fader::Color{0,0,0,0});
+            }
+        }
+    } else {
+        // stop the animation if everything is dark
+        m_running = m_fader->something_changed();
+    }
+}

src/main.cpp

@@ -153,6 +153,8 @@ void wifi_setup(void)
   for(size_t tries = 0; tries < 10; tries++)
   {
     if(wiFiMulti.run() == WL_CONNECTED) {
+      animController.changeAnimation(std::unique_ptr<Animation>(new ConnectionEstablishedAnimation(&ledFader, true)));
+
       Serial.println("");
       Serial.println("WiFi connected");
       Serial.println("IP address: ");
@@ -176,6 +178,8 @@ void wifi_setup(void)
     WiFi.softAPConfig(apIP, apIP, IPAddress(255, 255, 255, 0));
     WiFi.softAP("🕯️💡☀️", "Licht234");
     WiFi.enableAP(true);
+
+    animController.changeAnimation(std::unique_ptr<Animation>(new ConnectionEstablishedAnimation(&ledFader, false)));
   }
 
 }
@@ -210,7 +214,7 @@ void setup()
   Serial.println();
 
   ledFader.set_color(Fader::Color{0, 1, 0, 0});
-  animController.changeAnimation(std::unique_ptr<Animation>(new ConnectingAnimation(&ledFader)));
+  animController.changeAnimation(std::unique_ptr<Animation>(new ConnectingAnimation(&ledFader)), false);
 
   xTaskCreate(
       ledTask,           /* Task function. */