Forum Replies Created

  • Wisnu Wibowo

    December 25, 2017 at 4:21 pm in reply to: Control scale keyframes with slider

    I have 2 keyframes, I want to change the scale with the slider control at 2nd keyframe and add inertial bounce expression.
    I tried this expression but the inertial bounce doesn’t work, inertial bounce will work if I put “temp = value[0]*effect(“Slider Control”)(“Slider”)/100; [temp, temp]” on the top but the slider controller doesn’t work.
    Please help me.
    Thanks.

    n = 0;
    if (numKeys > 0){
    n = nearestKey(time).index;
    if (key(n).time > time){
    n--;
    }
    }
    if (n == 0){
    t = 0;
    }else{
    t = time - key(n).time;
    }

    if (n > 0 && t < 1){
    v = velocityAtTime(key(n).time - thisComp.frameDuration/10);
    amp = .05;
    freq = 4.0;
    decay = 8.0;
    value + v*amp*Math.sin(freq*t*2*Math.PI)/Math.exp(decay*t);
    }else{
    value;
    }

    temp = value[0]*effect("Slider Control")("Slider")/100;
    [temp, temp]

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