draw()

void fl::FxCompositor::draw ( fl::u32 now, fl::u32 warpedTime, fl::span< CRGB > finalBuffer, float speed = 1.0f, const AudioBatch * audio = nullptr )

inline

Definition at line 61 of file fx_compositor.h.

                                                                                  {
    if (!mLayers[0]->getFx()) {
        return;
    }
    mLayers[0]->draw(warpedTime, speed, audio);
    u8 progress = mTransition.getProgress(now);
    if (!progress) {
        fl::span<CRGB> surface0 = mLayers[0]->getSurface();
        fl::memcpy(finalBuffer.data(), surface0.data(), sizeof(CRGB) * mNumLeds);
        return;
    }
    mLayers[1]->draw(warpedTime, speed, audio);
    fl::span<CRGB> surface0 = mLayers[0]->getSurface();
    fl::span<CRGB> surface1 = mLayers[1]->getSurface();
 
    for (fl::u32 i = 0; i < mNumLeds; i++) {
        const CRGB &p0 = surface0[i];
        const CRGB &p1 = surface1[i];
        CRGB out = CRGB::blend(p0, p1, progress);
        finalBuffer[i] = out;
    }
    if (progress == 255) {
        completeTransition();
    }
}

References fl::CRGB::blend(), completeTransition(), fl::span< T, Extent >::data(), fl::FL_NO_EXCEPT, fl::memcpy(), mLayers, mNumLeds, mTransition, and speed.

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