draw()

void fl::FxCompositor::draw ( uint32_t now, uint32_t warpedTime, CRGB * finalBuffer )

inline

Definition at line 59 of file fx_compositor.h.

                                                  {
    if (!mLayers[0]->getFx()) {
        return;
    }
    mLayers[0]->draw(warpedTime);
    uint8_t progress = mTransition.getProgress(now);
    if (!progress) {
        memcpy(finalBuffer, mLayers[0]->getSurface(), sizeof(CRGB) * mNumLeds);
        return;
    }
    mLayers[1]->draw(warpedTime);
    const CRGB *surface0 = mLayers[0]->getSurface();
    const CRGB *surface1 = mLayers[1]->getSurface();
 
    for (uint32_t 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 CRGB::blend(), completeTransition(), mLayers, mNumLeds, and mTransition.

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