smoothstepf()

float mood_ring::smoothstepf	(	float	e0,
		float	e1,
		float	x )

0 below e0, 1 above e1, smooth in between.

Definition at line 20 of file ring_canvas.cpp.

                                               {
    if (e1 <= e0)
        return x >= e1 ? 1.0f : 0.0f;
    float t = clampf((x - e0) / (e1 - e0), 0.0f, 1.0f);
    return t * t * (3.0f - 2.0f * t);
}

References clampf(), t, and x.

Referenced by mood_ring::RoomListener::blendFrom(), mood_ring::MoodPainter::drawPulses(), mood_ring::anonymous_namespace{layers.cpp}::grainEnvelope(), and mood_ring::GrooveLayer::render().

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