Effect Matrix * Better colors

include/effect_matrix.h

@@ -48,6 +48,15 @@ public:
     RandomMatrixEffectColumn(Window* win, uint8_t dir, bool rnd=false) : MatrixEffectColumn(win, dir, rnd) {};
 };
 
+class ColumnMatrixEffectColumn : public MatrixEffectColumn {
+protected:
+    uint8_t _hue;
+    CRGB _getColor(uint8_t height) override;
+    void restart(bool completely_random) override;
+public:
+    ColumnMatrixEffectColumn(Window* win, uint8_t dir, bool rnd=false) : MatrixEffectColumn(win, dir, rnd) {};
+};
+
 class MatrixEffectBase : public Effect {
 protected:
     MatrixEffectColumn** _columns;
@@ -86,3 +95,11 @@ public:
 	RandomMatrixEffect();
 	String get_name() override { return "random_matrix"; }
 };
+
+class ColumnMatrixEffect : public MatrixEffectBase {
+protected:
+	void _create() override;
+public:
+	ColumnMatrixEffect();
+	String get_name() override { return "column_matrix"; }
+};

src/effect_matrix.cpp

@@ -127,6 +127,18 @@ void RandomMatrixEffectColumn::restart(bool completely_random) {
     _hue = random8();
 }
 
+CRGB ColumnMatrixEffectColumn::_getColor(uint8_t i) {
+    CRGB color;
+	uint8_t dist = abs(length / 2 - i);
+	color = CHSV(_hue, 255, 255 - dist * 5);
+    return color;
+}
+
+void ColumnMatrixEffectColumn::restart(bool completely_random) {
+    MatrixEffectColumn::restart(completely_random);
+	_hue = random8();
+}
+
 
 
 
@@ -174,6 +186,15 @@ void RainbowMatrixEffect::_create() {
 	for (int i=0; i<_count; i++) _columns[i] = new RainbowMatrixEffectColumn(window, MatrixEffectColumn::DIR_SOUTH);
 }
 
+ColumnMatrixEffect::ColumnMatrixEffect() {
+	_init();
+	_create();
+}
+
+void ColumnMatrixEffect::_create() {
+	for (int i=0; i<_count; i++) _columns[i] = new ColumnMatrixEffectColumn(window, MatrixEffectColumn::DIR_NORTH);
+}
+
 MatrixEffectBase::~MatrixEffectBase() {
 	_delete();
 }