From 4bee3e6286b364b480f9eef702de50849089dcc7 Mon Sep 17 00:00:00 2001
From: Fisch <interfisch@gmx.net>
Date: Sun, 15 Jul 2018 17:26:07 +0200
Subject: [PATCH] add effect flash

---
 achterbahn.ino                                | 11 +++-
 .../achterbahnconfig/achterbahnconfig.pde     |  7 +++
 fx_flash.cpp                                  | 59 +++++++++++++++++++
 fx_flash.h                                    | 25 ++++++++
 4 files changed, 100 insertions(+), 2 deletions(-)
 create mode 100644 fx_flash.cpp
 create mode 100644 fx_flash.h

diff --git a/achterbahn.ino b/achterbahn.ino
index 306bce0..9d3a63a 100644
--- a/achterbahn.ino
+++ b/achterbahn.ino
@@ -9,6 +9,7 @@
 #include "wagon.h"
 #include "effect.h"
 #include "fx_scanner.h"
+#include "fx_flash.h"
 
 #define PIN D2
 #define NUMPIXELS 600
@@ -378,12 +379,18 @@ void checkSerial(){
       }else{
         Serial.println("Error: Value too high!");
       }
-    }else if (serialstring.equals("fx_scanner")){
+    }else if (serialstring.startsWith("fx_")){
       Serial.println("Effect Scanner");
       if (effect!=NULL){
         delete effect;
       }
-      effect=new FX_Scanner(NUMPIXELS,&strip,height,255,-200,strip.Color(100,0,0));
+      if (serialstring.equals("fx_scanner")){
+        Serial.println("Effect Scanner");
+        effect=new FX_Scanner(NUMPIXELS,&strip,height,255,-200,strip.Color(100,0,0));
+      }else if (serialstring.equals("fx_flash")){
+        Serial.println("Effect Flash");
+        effect=new FX_Flash(NUMPIXELS,&strip,strip.Color(200,200,200));
+      }
     }
     
   }
diff --git a/achterbahnconfig/achterbahnconfig/achterbahnconfig.pde b/achterbahnconfig/achterbahnconfig/achterbahnconfig.pde
index cfc2d71..078bfda 100644
--- a/achterbahnconfig/achterbahnconfig/achterbahnconfig.pde
+++ b/achterbahnconfig/achterbahnconfig/achterbahnconfig.pde
@@ -139,6 +139,9 @@ void setup() {
   cp5.addButton("FX_Scanner")
       .setPosition(200, 200)
       .setSize(100, 20);
+  cp5.addButton("FX_Flash")
+      .setPosition(200, 220)
+      .setSize(100, 20);
 
     
   myPort = new Serial(this, "/dev/ttyUSB0", 115200);
@@ -186,6 +189,10 @@ void FX_Scanner() {
   String writeserial="fx_scanner\n";
   myPort.write(writeserial);
 }
+void FX_Flash() {
+  String writeserial="fx_flash\n";
+  myPort.write(writeserial);
+}
 
   
 
diff --git a/fx_flash.cpp b/fx_flash.cpp
new file mode 100644
index 0000000..74ef012
--- /dev/null
+++ b/fx_flash.cpp
@@ -0,0 +1,59 @@
+#include "fx_flash.h"
+#include "effect.h"
+
+#define FLASHTIME 10 //in ms
+
+FX_Flash::FX_Flash(int numpixels,Adafruit_NeoPixel *strip,uint32_t flashcolor)
+{
+  _numpixels=numpixels;
+  _strip=strip;
+  _flashcolor=flashcolor;
+  _starttime=millis();
+}
+
+FX_Flash::FX_Flash()
+{
+}
+
+void FX_Flash::updateRoutine(float updatedelayms)
+{
+}
+
+void FX_Flash::updateGraphics()
+{
+  for(int i=0;i<_numpixels;i++){
+      
+    uint8_t _r = _flashcolor >> 16;
+    uint8_t _g = _flashcolor >> 8;
+    uint8_t _b = _flashcolor;
+
+
+    uint32_t _pxcolor=_strip->getPixelColor(i); //get current color of that pixel
+    uint8_t _pxr = _pxcolor >> 16;
+    uint8_t _pxg = _pxcolor >> 8;
+    uint8_t _pxb = _pxcolor;
+    uint16_t _tmpr=_pxr+_r; //add colors
+    uint16_t _tmpg=_pxg+_g;
+    uint16_t _tmpb=_pxb+_b;
+    if (_tmpr>255){ //clamp
+      _tmpr=255;
+    }
+    if (_tmpg>255){
+      _tmpg=255;
+    }
+    if (_tmpb>255){
+      _tmpb=255;
+    }
+    _strip->setPixelColor(i,_tmpr,_tmpg,_tmpb); //draw pixel
+    
+  }
+}
+
+bool FX_Flash::active()
+{
+  if (millis()-_starttime>FLASHTIME){
+    return false;
+  }
+  return true;
+}
+
diff --git a/fx_flash.h b/fx_flash.h
new file mode 100644
index 0000000..95162ee
--- /dev/null
+++ b/fx_flash.h
@@ -0,0 +1,25 @@
+#ifndef FX_FLASH_H
+#define FX_FLASH_H
+#include <Adafruit_NeoPixel.h>
+#include <math.h>
+#include "effect.h"
+
+class FX_Flash : public Effect
+{
+  public:
+    FX_Flash(int numpixels,Adafruit_NeoPixel *strip,uint32_t flashcolor);
+    FX_Flash();
+    void updateRoutine(float updatedelayms);
+    void updateGraphics();
+    uint32_t Wheel(byte WheelPos,float brightness);
+    bool active();
+  private:
+    int _numpixels;
+    Adafruit_NeoPixel *_strip;
+    uint32_t _flashcolor;
+    long _starttime;
+};
+
+#endif
+
+