Add smooth effect

Source/PluginProcessor.cpp

@@ -13,6 +13,7 @@
 #include "audio/RotateEffect.h"
 #include "audio/VectorCancellingEffect.h"
 #include "audio/DistortEffect.h"
+#include "audio/SmoothEffect.h"
 
 //==============================================================================
 OscirenderAudioProcessor::OscirenderAudioProcessor()
@@ -35,6 +36,7 @@ OscirenderAudioProcessor::OscirenderAudioProcessor()
     allEffects.push_back(std::make_shared<Effect>(std::make_unique<VectorCancellingEffect>(), "Vector cancelling", "vectorCancelling"));
     allEffects.push_back(std::make_shared<Effect>(std::make_unique<DistortEffect>(true), "Vertical shift", "verticalDistort"));
     allEffects.push_back(std::make_shared<Effect>(std::make_unique<DistortEffect>(false), "Horizontal shift", "horizontalDistort"));
+    allEffects.push_back(std::make_shared<Effect>(std::make_unique<SmoothEffect>(), "Smoothing", "smoothing"));
 }
 
 OscirenderAudioProcessor::~OscirenderAudioProcessor()

Source/audio/SmoothEffect.cpp

@@ -0,0 +1,32 @@
+#include "SmoothEffect.h"
+
+SmoothEffect::SmoothEffect() {
+	this->window = std::vector<Vector2>(MAX_WINDOW_SIZE);
+}
+
+SmoothEffect::~SmoothEffect() {}
+
+Vector2 SmoothEffect::apply(int index, Vector2 input, double value, double frequency, double sampleRate) {
+    int newWindowSize = (int)(256 * value);
+	windowSize = std::max(1, std::min(MAX_WINDOW_SIZE, newWindowSize));
+	
+    window[head++] = input;
+    if (head >= MAX_WINDOW_SIZE) {
+        head = 0;
+    }
+    double totalX = 0;
+    double totalY = 0;
+    int newHead = head - 1;
+    for (int i = 0; i < windowSize; i++) {
+        if (newHead < 0) {
+            newHead = MAX_WINDOW_SIZE - 1;
+        }
+        
+        totalX += window[newHead].x;
+        totalY += window[newHead].y;
+
+        newHead--;
+    }
+
+    return Vector2(totalX / windowSize, totalY / windowSize);
+}

Source/audio/SmoothEffect.h

@@ -0,0 +1,16 @@
+#pragma once
+#include "EffectApplication.h"
+#include "../shape/Vector2.h"
+
+class SmoothEffect : public EffectApplication {
+public:
+	SmoothEffect();
+	~SmoothEffect();
+
+	Vector2 apply(int index, Vector2 input, double value, double frequency, double sampleRate) override;
+private:
+	const int MAX_WINDOW_SIZE = 2048;
+	std::vector<Vector2> window;
+	int windowSize = 1;
+	int head = 0;
+};

osci-render.jucer

@@ -36,6 +36,9 @@
         <FILE id="PbbNqz" name="RotateEffect.cpp" compile="1" resource="0"
               file="Source/audio/RotateEffect.cpp"/>
         <FILE id="tUwNZV" name="RotateEffect.h" compile="0" resource="0" file="Source/audio/RotateEffect.h"/>
+        <FILE id="iUEfwT" name="SmoothEffect.cpp" compile="1" resource="0"
+              file="Source/audio/SmoothEffect.cpp"/>
+        <FILE id="Vwjht7" name="SmoothEffect.h" compile="0" resource="0" file="Source/audio/SmoothEffect.h"/>
         <FILE id="VBskjq" name="VectorCancellingEffect.cpp" compile="1" resource="0"
               file="Source/audio/VectorCancellingEffect.cpp"/>
         <FILE id="Be21D0" name="VectorCancellingEffect.h" compile="0" resource="0"