Diff: Effects/shift_effect.cpp

Revision:

2:bb9ebad05691

Child:

3:7d32f46a38d3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Effects/shift_effect.cpp	Mon Nov 23 21:32:24 2015 +0000
@@ -0,0 +1,54 @@
+#include "shift_effect.h"
+#include "colors.h"
+
+namespace Effects {
+
+    ShiftEffect::ShiftEffect(NeoPixelString * pixelstring, int delay_ms, neopixel::Pixel color, int groupsize)
+        : Effect(pixelstring, delay_ms) {
+    
+        this->color = color;
+        this->groupsize = groupsize;
+        state = FIRST_TIME;
+    }
+    
+    void ShiftEffect::execute(void) {
+        Effect::execute();
+
+        if (state == FIRST_TIME) {
+            for (unsigned i = 0; i < getPixelString()->getLength(); i++) {
+                if (i % groupsize == 0) {
+                    getPixelString()->setPixel(i, color);
+                } else {
+                    getPixelString()->setPixel(i, Colors::Black);
+                }
+            }
+
+            state = RUNNING;
+        } else {
+
+            unsigned int i = 0;
+            neopixel::Pixel pix;
+            neopixel::Pixel first;
+
+            while (i < getPixelString()->getLength()) {
+                unsigned int group = i / groupsize;
+
+                if (i % groupsize == 0) {
+                    first = getPixelString()->getPixel(i);
+                }
+
+                if (i == ((group+1)*groupsize)-1) { // last pix in group
+                    getPixelString()->setPixel(i, first);
+                } else {
+                    pix = getPixelString()->getPixel(i+1);
+                    getPixelString()->setPixel(i, pix);
+                }
+
+                i++;
+            }
+
+        }
+        getPixelString()->update();
+    }
+
+};
\ No newline at end of file