Add initial audio effect functionality

Source/EffectComponentGroup.cpp

@@ -15,5 +15,6 @@ EffectComponentGroup::~EffectComponentGroup() {
 }
 
 void EffectComponentGroup::resized() {
-	slider.setBounds(0, 0, getWidth() - 100, 20);
+	auto sliderLeft = 100;
+	slider.setBounds(sliderLeft, 0, getWidth() - 200, 20);
 }

Source/EffectsComponent.cpp

@@ -1,4 +1,5 @@
 #include "EffectsComponent.h"
+#include "audio/BitCrushEffect.h"
 
 EffectsComponent::EffectsComponent(OscirenderAudioProcessor& p) : audioProcessor(p) {
 	setText("Audio Effects");
@@ -19,6 +20,7 @@ EffectsComponent::EffectsComponent(OscirenderAudioProcessor& p) : audioProcessor
 }
 
 EffectsComponent::~EffectsComponent() {
+    
 }
 
 void EffectsComponent::resized() {

Source/EffectsComponent.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <JuceHeader.h>
+#include "audio/BitCrushEffect.h"
 #include "EffectComponentGroup.h"
 #include "PluginProcessor.h"
 

Source/PluginEditor.cpp

@@ -22,9 +22,7 @@ OscirenderAudioProcessorEditor::OscirenderAudioProcessorEditor (OscirenderAudioP
     addAndMakeVisible(main);
 }
 
-OscirenderAudioProcessorEditor::~OscirenderAudioProcessorEditor()
-{
-}
+OscirenderAudioProcessorEditor::~OscirenderAudioProcessorEditor() {}
 
 //==============================================================================
 void OscirenderAudioProcessorEditor::paint (juce::Graphics& g)

Source/PluginProcessor.cpp

@@ -25,6 +25,8 @@ OscirenderAudioProcessor::OscirenderAudioProcessor()
 #endif
     , producer(std::make_unique<FrameProducer>(*this, parser)) {
     producer->startThread();
+    bitCrushEffect.value = 0.5;
+    effects.push_back(std::ref(bitCrushEffect));
 }
 
 OscirenderAudioProcessor::~OscirenderAudioProcessor()
@@ -200,7 +202,8 @@ void OscirenderAudioProcessor::processBlock (juce::AudioBuffer<float>& buffer, j
     
 	for (auto sample = 0; sample < numSamples; ++sample) {
         updateLengthIncrement();
-
+        
+        Vector2 channels;
         double x = 0.0;
         double y = 0.0;
         double length = 0.0;
@@ -210,11 +213,16 @@ void OscirenderAudioProcessor::processBlock (juce::AudioBuffer<float>& buffer, j
             auto& shape = frame[currentShape];
             length = shape->length();
             double drawingProgress = length == 0.0 ? 1 : shapeDrawn / length;
-            Vector2 channels = shape->nextVector(drawingProgress);
-			x = channels.x;
-            y = channels.y;
+            channels = shape->nextVector(drawingProgress);
         }
 
+		for (auto effect : effects) {
+			channels = effect.get().apply(sample, channels);
+		}
+
+		x = channels.x;
+		y = channels.y;
+
         if (totalNumOutputChannels >= 2) {
 			channelData[0][sample] = x;
 			channelData[1][sample] = y;

Source/PluginProcessor.h

@@ -13,6 +13,8 @@
 #include "parser/FileParser.h"
 #include "parser/FrameProducer.h"
 #include "parser/FrameConsumer.h"
+#include "audio/Effect.h"
+#include "audio/BitCrushEffect.h"
 
 //==============================================================================
 /**
@@ -66,6 +68,10 @@ public:
 
     double currentSampleRate = 0.0;
 
+	std::vector<std::reference_wrapper<Effect>> effects;
+
+    BitCrushEffect bitCrushEffect = BitCrushEffect();
+
     FileParser parser;
     std::unique_ptr<FrameProducer> producer;
 

Source/audio/BitCrushEffect.cpp

@@ -0,0 +1,17 @@
+#include "BitCrushEffect.h"
+
+BitCrushEffect::BitCrushEffect() {}
+
+BitCrushEffect::~BitCrushEffect() {}
+
+Vector2 BitCrushEffect::apply(int index, Vector2 input) {
+	double crush = 3.0 * (1.0 - value);
+	return Vector2(bitCrush(input.x, crush), bitCrush(input.y, crush));
+}
+
+double BitCrushEffect::bitCrush(double value, double places) {
+    long factor = (long) pow(10, places);
+    value = value * factor;
+    long tmp = round(value);
+    return (double) tmp / factor;
+}

Source/audio/BitCrushEffect.h

@@ -0,0 +1,17 @@
+#pragma once
+#include "Effect.h"
+#include "../shape/Vector2.h"
+
+class BitCrushEffect : public Effect {
+public:
+	BitCrushEffect();
+	~BitCrushEffect();
+
+	double value = 0.0;
+	double frequency = 1.0;
+	int precedence = -1;
+
+	Vector2 apply(int index, Vector2 input) override;
+private:
+	double bitCrush(double value, double places);
+};

Source/audio/Effect.cpp

@@ -0,0 +1,6 @@
+#include "Effect.h"
+
+
+Effect::Effect() {
+	
+}

Source/audio/Effect.h

@@ -0,0 +1,9 @@
+#pragma once
+#include "../shape/Vector2.h"
+
+class Effect {
+public:
+	Effect();
+
+	virtual Vector2 apply(int index, Vector2 input) = 0;
+};

Source/obj/Camera.cpp

@@ -6,7 +6,6 @@ Camera::Camera(double focalLength, double x, double y, double z) : focalLength(f
 
 std::vector<std::unique_ptr<Shape>> Camera::draw(WorldObject& object) {
 	std::vector<std::unique_ptr<Shape>> shapes;
-	object.rotateY += 0.001;
 	for (auto& edge : object.edges) {
         Vector2 start = project(object.rotateX, object.rotateY, object.rotateZ, edge.x1, edge.y1, edge.z1);
         Vector2 end = project(object.rotateX, object.rotateY, object.rotateZ, edge.x2, edge.y2, edge.z2);

osci-render.jucer

@@ -7,6 +7,14 @@
               cppLanguageStandard="20" projectLineFeed="
" headerPath="./include">
   <MAINGROUP id="j5Ge2T" name="osci-render">
     <GROUP id="{75439074-E50C-362F-1EDF-8B4BE9011259}" name="Source">
+      <GROUP id="{85A33213-D880-BD92-70D8-1901DA6D23F0}" name="audio">
+        <FILE id="NWuowi" name="BitCrushEffect.cpp" compile="1" resource="0"
+              file="Source/audio/BitCrushEffect.cpp"/>
+        <FILE id="Bc8UeW" name="BitCrushEffect.h" compile="0" resource="0"
+              file="Source/audio/BitCrushEffect.h"/>
+        <FILE id="mP5lpY" name="Effect.cpp" compile="1" resource="0" file="Source/audio/Effect.cpp"/>
+        <FILE id="LKeNnY" name="Effect.h" compile="0" resource="0" file="Source/audio/Effect.h"/>
+      </GROUP>
       <GROUP id="{E81B1D7B-B0F7-1967-B271-71B3F838720F}" name="txt">
         <FILE id="vIYWRG" name="TextParser.cpp" compile="1" resource="0" file="Source/txt/TextParser.cpp"/>
         <FILE id="LlefOK" name="TextParser.h" compile="0" resource="0" file="Source/txt/TextParser.h"/>