New Effect: DvdEffect

include/effect_dvd.h

@@ -0,0 +1,17 @@
+#pragma once
+#include "Effect.h"
+
+class DvdEffect : public Effect {
+private:
+	Window* window = new Window(0, 0, LED_WIDTH, LED_HEIGHT-6);
+	uint8_t _x = 0;
+	uint8_t _y = 0;
+	int8_t _x_dir = 1;
+	int8_t _y_dir = 1;
+	CRGB _color;
+public:
+	DvdEffect();
+	~DvdEffect();
+	void loop() override;
+	bool can_be_shown_with_clock() override;
+};

src/effect_dvd.cpp

@@ -0,0 +1,37 @@
+#include "effect_dvd.h"
+#include "my_fastled.h"
+
+void DvdEffect::loop() {
+	bool dir_changed = false;
+	EVERY_N_MILLISECONDS( 250 ) {
+		_x += _x_dir;
+		_y += _y_dir;
+
+		if (_x == 0 || _x + EFFECT_DVD_WIDTH >= window->width) {
+			_x_dir = -_x_dir;
+			dir_changed = true;
+		}
+		if (_y == 0 || _y + EFFECT_DVD_HEIGHT >= window->height) {
+			_y_dir = -_y_dir;
+			dir_changed = true;
+		}
+	}
+
+	window->clear();
+
+	for (int x=0; x<EFFECT_DVD_WIDTH; x++) for (int y=0; y<EFFECT_DVD_HEIGHT; y++) {
+		window->setPixel(_x + x, _y + y, (CRGB*)&_color);
+	}
+
+	if (dir_changed) _color = (CRGB)CHSV(random8(), 255, 255);
+}
+
+bool DvdEffect::can_be_shown_with_clock() { return true; }
+
+DvdEffect::DvdEffect() {
+	_color = CHSV(random8(), 255, 255);
+}
+
+DvdEffect::~DvdEffect() {
+	delete window;
+}