102 lines
No EOL
2.5 KiB
C++
102 lines
No EOL
2.5 KiB
C++
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/*
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This demo is best viewed using the FastLED compiler.
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Windows/MacOS binaries: https://github.com/FastLED/FastLED/releases
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Python
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Install: pip install fastled
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Run: fastled <this sketch directory>
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This will compile and preview the sketch in the browser, and enable
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all the UI elements you see below.
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*/
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#include "fl/ui.h"
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#include "fx/2d/wave.h"
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#include <Arduino.h>
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#include <FastLED.h>
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using namespace fl;
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#define HEIGHT 100
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#define WIDTH 100
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#define NUM_LEDS ((WIDTH) * (HEIGHT))
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#define IS_SERPINTINE true
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CRGB leds[NUM_LEDS];
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UITitle title("Wave2D Demo");
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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.");
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UIButton button("Trigger");
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UICheckbox xCyclical("X Is Cyclical", true); // The wave keeps on propagating across the x-axis, when true.
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UICheckbox autoTrigger("Auto Trigger", true);
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UISlider extraFrames("Extra Frames", 0.0f, 0.0f, 8.0f, 1.0f);
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UISlider slider("Speed", 0.18f, 0.0f, 1.0f);
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UISlider dampening("Dampening", 9.0f, 0.0f, 20.0f, 0.1f);
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UICheckbox halfDuplex("Half Duplex", true);
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UISlider superSample("SuperSampleExponent", 1.f, 0.f, 3.f, 1.f);
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WaveSimulation2D waveSim(WIDTH, HEIGHT, SUPER_SAMPLE_4X);
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XYMap xyMap(WIDTH, HEIGHT, IS_SERPINTINE);
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SuperSample getSuperSample() {
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switch (int(superSample)) {
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case 0:
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return SuperSample::SUPER_SAMPLE_NONE;
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case 1:
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return SuperSample::SUPER_SAMPLE_2X;
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case 2:
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return SuperSample::SUPER_SAMPLE_4X;
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case 3:
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return SuperSample::SUPER_SAMPLE_8X;
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default:
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return SuperSample::SUPER_SAMPLE_NONE;
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}
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}
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void triggerRipple(WaveSimulation2D &waveSim) {
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int x = random() % WIDTH;
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int y = random() % HEIGHT;
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waveSim.setf(x, y, 1);
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}
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void setup() {
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Serial.begin(115200);
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FastLED.addLeds<NEOPIXEL, 2>(leds, NUM_LEDS).setScreenMap(xyMap);
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}
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void loop() {
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// Your code here
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waveSim.setXCylindrical(xCyclical.value());
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waveSim.setSpeed(slider);
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waveSim.setDampening(dampening);
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waveSim.setHalfDuplex(halfDuplex);
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waveSim.setSuperSample(getSuperSample());
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if (button) {
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triggerRipple(waveSim);
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}
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EVERY_N_MILLISECONDS(400) {
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if (autoTrigger) {
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triggerRipple(waveSim);
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}
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}
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waveSim.update();
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for (int y = 0; y < HEIGHT; y++) {
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for (int x = 0; x < WIDTH; x++) {
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uint8_t value8 = waveSim.getu8(x, y);
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uint32_t idx = xyMap.mapToIndex(x, y);
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leds[idx] = CRGB(value8, value8, value8);
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}
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}
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FastLED.show();
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} |