From 1a17f1db63d38568921c7c087fc52c20eacfc531 Mon Sep 17 00:00:00 2001
From: versustunez <info@vstz.dev>
Date: Mon, 22 Feb 2021 09:29:24 +0100
Subject: [PATCH] Fixed getDouble returns int only Added Rainbow Tail Factor

---
 headers/VulcanoLE/Scripts/RainbowLine.h | 1 +
 src/VUtils/Environment.cpp              | 2 +-
 src/VulcanoLE/Scripts/RainbowLine.cpp   | 3 ++-
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/headers/VulcanoLE/Scripts/RainbowLine.h b/headers/VulcanoLE/Scripts/RainbowLine.h
index ba6726c..8fa3efd 100644
--- a/headers/VulcanoLE/Scripts/RainbowLine.h
+++ b/headers/VulcanoLE/Scripts/RainbowLine.h
@@ -11,6 +11,7 @@ namespace VIZ {
         double lastValue = 0;
         double decayValue = 0;
         double ratios[4] = {1.3,1.2,1.3,1.4};
+        double tailFactor = 0.3;
     public:
         RainbowLine(AudioGrabber *pGrabber, Vulcan121 *vulcan);
         ~RainbowLine() override;
diff --git a/src/VUtils/Environment.cpp b/src/VUtils/Environment.cpp
index 623cb50..b337785 100644
--- a/src/VUtils/Environment.cpp
+++ b/src/VUtils/Environment.cpp
@@ -62,7 +62,7 @@ namespace VUtils {
     double Environment::getAsDouble(const std::string &name, double def) {
         char *end;
         auto *v = getEnv(name, "").c_str();
-        double val = (int) std::strtod(v, &end);
+        auto val = (double) std::strtod(v, &end);
         if (end == v) {
             setNumber(name.c_str(), def);
             return def;
diff --git a/src/VulcanoLE/Scripts/RainbowLine.cpp b/src/VulcanoLE/Scripts/RainbowLine.cpp
index ebdb23f..398b1a3 100644
--- a/src/VulcanoLE/Scripts/RainbowLine.cpp
+++ b/src/VulcanoLE/Scripts/RainbowLine.cpp
@@ -21,13 +21,14 @@ namespace VIZ {
     void RainbowLine::on_setup() {
         currentColumn = 0;
         updateMap(0);
+        tailFactor = VUtils::Math::clamp(grabber->env->getAsDouble("rainbow_tail_factor", 0.3), 0.0, 0.9);
         keyboard->send_led_to({ 0, 0, 0, 0 });
         grabber->requestMode = AudioGrabber::ReqMode::FFT;
         usleep(100000);
     }
 
     void RainbowLine::on_tick(float delta) {
-        updateMap(0.3);
+        updateMap(tailFactor);
         deltaElapsed += delta;
         auto fftData = grabber->fft.getData()->leftChannel;
         auto val = 0.0;