effect_blur2d: Number of blobs is configurable.

include/effect_blur2d.h

@@ -4,11 +4,26 @@
 #include "functions.h"
 #include "Effect.h"
 
+class Blur2DBlob {
+private:
+	accum88 _x_freq;
+	accum88 _y_freq;
+	uint8_t _color_freq;
+public:
+	Blur2DBlob();
+	void render(Window* win);
+};
+
 class Blur2DEffect : public Effect {
 private:
 	Window* window = new Window(0, 0, LED_WIDTH, LED_HEIGHT-6);
+	uint8_t _count;
+	Blur2DBlob* _blobs;
 public:
+	Blur2DEffect();
 	~Blur2DEffect();
+	void _init();
+	void _delete();
     boolean supports_window = true;
     boolean can_be_shown_with_clock();
     void loop(uint16_t ms);

include/settings.h

@@ -35,6 +35,10 @@ struct Settings {
 		struct /* big_clock */ {
 			uint16_t spacing = 5;
 		} big_clock;
+		
+		struct /* blur2d */ {
+			uint16_t count = 5;
+		} blur2d;
 
 		struct /* confetti */ {
 			uint16_t pixels_per_loop = 2;