draw()

void fl::Particles1d::draw ( DrawContext context )

overridevirtual

Update and render all particles with overdraw technique.

Parameters

context

Draw context containing current time and LED buffer

Implements fl::Fx.

Definition at line 19 of file particles.cpp.hpp.

                                          {
    if (context.leds.empty() || mNumLeds == 0) return;
 
    u32 now = context.now;
 
    // Overdraw loop: multiple updates per frame for smooth trails
    for (int overdraw = 0; overdraw < mOverdrawCount; overdraw++) {
        // Fade trails
        for (u16 i = 0; i < mNumLeds; i++) {
            context.leds[i].nscale8(255 - mFadeRate);
        }
 
        // Update and draw all particles
        for (size_t i = 0; i < mParticles.size(); i++) {
            mParticles[i].update(now, mNumLeds, mSpeedMultiplier, mCyclical);
            mParticles[i].draw(context.leds, now, mNumLeds);
        }
    }
 
    // Soften composite with blur
    blur1d(context.leds, 64);
}

References Particles1d(), fl::blur1d(), draw(), mCyclical, mFadeRate, fl::Fx::mNumLeds, mOverdrawCount, mParticles, and mSpeedMultiplier.

Referenced by ~Particles1d(), and draw().

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