draw()

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

overridevirtual

Handles timing, then delegates to drawImpl().

Caps dt to prevent huge jumps when effect was inactive.

Implements fl::Fx.

Examples

FlowField.ino.

Definition at line 21 of file flowfield.cpp.hpp.

                                        {
    u32 t_ms = mTimeWarp.update(context.now);
    u32 dt_ms = t_ms - mLastWarpedMs;
    mLastWarpedMs = t_ms;
    // Cap dt to prevent huge jumps when effect was inactive (mode switch).
    if (dt_ms > 500) {
        dt_ms = 0;
    }
    mNoiseBias.update(dt_ms * 0.001f);
    drawImpl(context, dt_ms, t_ms);
}

References drawImpl(), mLastWarpedMs, mNoiseBias, mTimeWarp, and fl::DrawContext::now.

Referenced by ~FlowField(), and loop().

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