draw()

void fl::NoiseWave::draw ( DrawContext context )

inlineoverridevirtual

Parameters

now	The current time in milliseconds. Fx writers are encouraged to use this instead of millis() directly as this will more deterministic behavior.

Implements fl::Fx.

Definition at line 18 of file noisewave.h.

                                            {
        if (context.leds == nullptr || mNumLeds == 0) {
            return;
        }
        if (start_time == 0) {
            start_time = context.now;
        }
 
        unsigned long time_now = millis() - start_time;
 
        for (int32_t i = 0; i < mNumLeds; ++i) {
            int r = noiseGeneratorRed.LedValue(i, time_now);
            int b = noiseGeneratorBlue.LedValue(i, time_now + 100000) >> 1;
            int g = 0;
            context.leds[i] = CRGB(r, g, b);
        }
    }

References fl::_DrawContext::leds, fl::Fx::mNumLeds, noiseGeneratorBlue, noiseGeneratorRed, fl::_DrawContext::now, and start_time.