Added FireEffect. Its values still need a bit of tweaking to look right...

include/config.sample.h

@@ -57,6 +57,9 @@
 #define EFFECT_SNAKE_DIRECTION_CHANGE 10
 #define EFFECT_SNAKE_SLOWDOWN 2
 
+#define EFFECT_FIRE_COOLDOWN 192
+#define EFFECT_FIRE_SPARK_CHANCE 5
+
 #ifdef DEBUG
   #define LOG(x) mqtt_log(x); Serial.print(x);
   #define LOGln(x) mqtt_log_ln(x); Serial.println(x);

include/effect_fire.h

@@ -0,0 +1,19 @@
+#pragma once
+#include "Effect.h"
+#include "my_fastled.h"
+
+class FireEffect : public Effect {
+	private:
+		uint8_t* data;
+		uint8_t spark_temp();
+		void cooldown();
+		void spark();
+		void propagate();
+		void draw();
+		static CRGBPalette16 palette;
+		
+	public:
+		void start();
+		void stop();
+		void loop();
+};