Particles1d.h

Go to the documentation of this file.

 
#include <FastLED.h>
 
#include "fl/fx/1d/particles.h"
#include "fl/math/screenmap.h"
#include "fl/ui/ui.h"
 
 
#define NUM_LEDS 210
#define PARTICLE_MAX 10
#define PARTICLE_GROUPS 2
 
 
#define DATA_PIN 3
 
fl::CRGB leds[NUM_LEDS];
 
// UI Controls
fl::UISlider uiSpeed("Avg Speed", 1.0, 0.1, 3.0, 0.1);
fl::UISlider uiFadeAmount("Trail Length", 2, 0, 10, 1);
fl::UISlider uiBrightness("Brightness", 64, 0, 255, 1);
fl::UISlider uiLifetime("Avg Lifetime (sec)", 4.0, 0.5, 8.0, 0.5);
fl::UISlider uiSpawnInterval("Spawn Interval (sec)", 2.0, 0.1, 10.0, 0.1);
fl::UISlider uiOverdrawCount("Overdraw Count", 20, 1, 50, 1);
fl::UICheckbox uiCyclical("Cyclical", true);
fl::UICheckbox uiAutoSpawn("Auto Spawn", true);
fl::UIButton uiSpawnButton("Spawn Particle");
 
// Create particles effect with adjusted parameters for memory-constrained platforms
fl::Particles1d particles(NUM_LEDS, PARTICLE_MAX, PARTICLE_GROUPS);
 
// External spawn management
uint32_t lastSpawnTime = 0;
 
void setup() {
    fl::ScreenMap screenMap = fl::ScreenMap::Circle(NUM_LEDS, 5.0, 5.0);
    FastLED.addLeds<WS2812B, DATA_PIN, GRB>(leds, NUM_LEDS).setScreenMap(screenMap);
    FastLED.setBrightness(64);
}
 
void loop() {
    uint32_t now = fl::millis();
 
    // Update effect parameters from UI
    FastLED.setBrightness(uiBrightness.as<int>());
    particles.setSpeed(uiSpeed.as<float>());
    particles.setFadeRate(uiFadeAmount.as<int>());
    particles.setLifetime(uiLifetime.as<float>() * 1000);
    particles.setOverdrawCount(uiOverdrawCount.as<int>());
    particles.setCyclical(uiCyclical.value());
 
    // Manual spawn
    if (uiSpawnButton.clicked()) {
        particles.spawnRandomParticle();
    }
 
    // Auto spawn (external control)
    if (uiAutoSpawn.value() && now - lastSpawnTime >= uiSpawnInterval.as<float>() * 1000) {
        particles.spawnRandomParticle();
        lastSpawnTime = now;
    }
 
    // Draw particles
    particles.draw(fl::Fx::DrawContext(now, leds));
 
    FastLED.show();
    delay(20);
}