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libraries/FastLED/examples/FxAnimartrix/FxAnimartrix.ino

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+/// @file    Animartrix.ino
+/// @brief   Demonstrates Stefan Petricks Animartrix effects.
+/// @author  Stefan Petrick
+/// @author  Zach Vorhies (FastLED adaptation)
+///
+/// This sketch is fully compatible with the FastLED web compiler. To use it do the following:
+/// 1. Install Fastled: `pip install fastled`
+/// 2. cd into this examples page.
+/// 3. Run the FastLED web compiler at root: `fastled`
+
+
+#include <stdio.h>
+#include <string>
+
+#include <FastLED.h>
+#include "fl/json.h"
+#include "fl/slice.h"
+#include "fx/fx_engine.h"
+
+#include "fx/2d/animartrix.hpp"
+#include "fl/ui.h"
+
+using namespace fl;
+
+
+#define LED_PIN 3
+#define BRIGHTNESS 96
+#define COLOR_ORDER GRB
+
+#define MATRIX_WIDTH 32
+#define MATRIX_HEIGHT 32
+
+#define NUM_LEDS (MATRIX_WIDTH * MATRIX_HEIGHT)
+
+#define FIRST_ANIMATION POLAR_WAVES
+
+
+CRGB leds[NUM_LEDS];
+XYMap xyMap = XYMap::constructRectangularGrid(MATRIX_WIDTH, MATRIX_HEIGHT);
+
+
+UITitle title("Animartrix");
+UIDescription description("Demo of the Animatrix effects. @author of fx is StefanPetrick");
+
+UISlider brightness("Brightness", 255, 0, 255);
+UINumberField fxIndex("Animartrix - index", 0, 0, NUM_ANIMATIONS - 1);
+UISlider timeSpeed("Time Speed", 1, -10, 10, .1);
+
+Animartrix animartrix(xyMap, FIRST_ANIMATION);
+FxEngine fxEngine(NUM_LEDS);
+
+void setup() {
+    auto screen_map = xyMap.toScreenMap();
+    screen_map.setDiameter(.1);
+    FastLED.addLeds<WS2811, LED_PIN, COLOR_ORDER>(leds, NUM_LEDS)
+        .setCorrection(TypicalLEDStrip)
+        .setScreenMap(screen_map);
+    FastLED.setBrightness(brightness);
+    fxEngine.addFx(animartrix);
+}
+
+void loop() {
+    FastLED.setBrightness(brightness);
+    fxEngine.setSpeed(timeSpeed);
+    static int lastFxIndex = -1;
+    if (fxIndex.value() != lastFxIndex) {
+        lastFxIndex = fxIndex;
+        animartrix.fxSet(fxIndex);
+    }
+    fxEngine.draw(millis(), leds);
+    FastLED.show();
+}
+
+