/* This demo is best viewed using the FastLED compiler. Windows/MacOS binaries: https://github.com/FastLED/FastLED/releases Python Install: pip install fastled Run: fastled This will compile and preview the sketch in the browser, and enable all the UI elements you see below. */ #include "fl/ui.h" #include "fx/2d/wave.h" #include #include using namespace fl; #define HEIGHT 100 #define WIDTH 100 #define NUM_LEDS ((WIDTH) * (HEIGHT)) #define IS_SERPINTINE true CRGB leds[NUM_LEDS]; UITitle title("Wave2D Demo"); UIDescription description("Shows the use of the Wave2d effect. By default the wave is cyclical on the x-axis and waves will spill over to the other side."); UIButton button("Trigger"); UICheckbox xCyclical("X Is Cyclical", true); // The wave keeps on propagating across the x-axis, when true. UICheckbox autoTrigger("Auto Trigger", true); UISlider extraFrames("Extra Frames", 0.0f, 0.0f, 8.0f, 1.0f); UISlider slider("Speed", 0.18f, 0.0f, 1.0f); UISlider dampening("Dampening", 9.0f, 0.0f, 20.0f, 0.1f); UICheckbox halfDuplex("Half Duplex", true); UISlider superSample("SuperSampleExponent", 1.f, 0.f, 3.f, 1.f); WaveSimulation2D waveSim(WIDTH, HEIGHT, SUPER_SAMPLE_4X); XYMap xyMap(WIDTH, HEIGHT, IS_SERPINTINE); SuperSample getSuperSample() { switch (int(superSample)) { case 0: return SuperSample::SUPER_SAMPLE_NONE; case 1: return SuperSample::SUPER_SAMPLE_2X; case 2: return SuperSample::SUPER_SAMPLE_4X; case 3: return SuperSample::SUPER_SAMPLE_8X; default: return SuperSample::SUPER_SAMPLE_NONE; } } void triggerRipple(WaveSimulation2D &waveSim) { int x = random() % WIDTH; int y = random() % HEIGHT; waveSim.setf(x, y, 1); } void setup() { Serial.begin(115200); FastLED.addLeds(leds, NUM_LEDS).setScreenMap(xyMap); } void loop() { // Your code here waveSim.setXCylindrical(xCyclical.value()); waveSim.setSpeed(slider); waveSim.setDampening(dampening); waveSim.setHalfDuplex(halfDuplex); waveSim.setSuperSample(getSuperSample()); if (button) { triggerRipple(waveSim); } EVERY_N_MILLISECONDS(400) { if (autoTrigger) { triggerRipple(waveSim); } } waveSim.update(); for (int y = 0; y < HEIGHT; y++) { for (int x = 0; x < WIDTH; x++) { uint8_t value8 = waveSim.getu8(x, y); uint32_t idx = xyMap.mapToIndex(x, y); leds[idx] = CRGB(value8, value8, value8); } } FastLED.show(); }