grainEnvelope()

float mood_ring::anonymous_namespace{layers.cpp}::grainEnvelope

(

float

ageSec

)

Rise over attack, hold, fall to zero at life. Smooth at both ends.

Definition at line 48 of file layers.cpp.

                                  {
    if (ageSec < kGrainAttackSec) {
        return smoothstepf(0.0f, kGrainAttackSec, ageSec);
    }
    return 1.0f - smoothstepf(kGrainAttackSec, kGrainLifeSec, ageSec);
}

References grainEnvelope(), kGrainAttackSec, kGrainLifeSec, and mood_ring::smoothstepf().

Referenced by grainEnvelope().

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