Allow lua slider values to be used in perspective function

Source/PluginEditor.cpp

@@ -256,6 +256,7 @@ void OscirenderAudioProcessorEditor::updateCodeDocument() {
     if (editingPerspective) {
         juce::String file = codeDocuments[0]->getAllContent();
         audioProcessor.perspectiveEffect->updateCode(file);
+        audioProcessor.updateLuaValues();
     } else {
         int originalIndex = audioProcessor.getCurrentFileIndex();
         int index = audioProcessor.getCurrentFileIndex();

Source/PluginProcessor.h

@@ -225,6 +225,7 @@ public:
     juce::String getFileName(int index);
 	std::shared_ptr<juce::MemoryBlock> getFileBlock(int index);
     void setObjectServerRendering(bool enabled);
+    void updateLuaValues();
 private:
     std::atomic<double> volume = 1.0;
     std::atomic<double> threshold = 1.0;
@@ -241,7 +242,6 @@ private:
     AudioWebSocketServer softwareOscilloscopeServer{*this};
     ObjectServer objectServer{*this};
 
-    void updateLuaValues();
     void updateObjValues();
     std::shared_ptr<Effect> getEffect(juce::String id);
     BooleanParameter* getBooleanParameter(juce::String id);

Source/audio/LuaEffect.cpp

@@ -10,5 +10,8 @@ Vector2 LuaEffect::apply(int index, Vector2 input, const std::vector<double>& va
 	if (parser != nullptr) {
 		parser->setVariable("slider_" + name.toLowerCase(), values[0]);
 	}
+	
+	audioProcessor.perspectiveEffect->setVariable("slider_" + name.toLowerCase(), values[0]);
+
 	return input;
 }

Source/audio/PerspectiveEffect.cpp

@@ -93,6 +93,13 @@ void PerspectiveEffect::updateCode(const juce::String& newCode) {
 	parser = std::make_unique<LuaParser>(code);
 }
 
+void PerspectiveEffect::setVariable(juce::String variableName, double value) {
+	juce::SpinLock::ScopedLockType lock(codeLock);
+	if (!defaultScript) {
+        parser->setVariable(variableName, value);
+    }
+}
+
 juce::String PerspectiveEffect::getCode() {
 	juce::SpinLock::ScopedLockType lock(codeLock);
     return code;

Source/audio/PerspectiveEffect.h

@@ -10,16 +10,20 @@ public:
 
 	Vector2 apply(int index, Vector2 input, const std::vector<double>& values, double sampleRate) override;
 	void updateCode(const juce::String& newCode);
+	void setVariable(juce::String variableName, double value);
+
 	juce::String getCode();
 
 	BooleanParameter* fixedRotateX;
 	BooleanParameter* fixedRotateY;
 	BooleanParameter* fixedRotateZ;
+
 private:
 	const juce::String DEFAULT_SCRIPT = "return { x, y, z }";
 	juce::String code = DEFAULT_SCRIPT;
-	juce::SpinLock codeLock;
 	std::unique_ptr<LuaParser> parser = std::make_unique<LuaParser>(code);
+	juce::SpinLock codeLock;
+
 	bool defaultScript = true;
 
 	float currentRotateX = 0;