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回复 乐天happy说的: 正确的表达式,需要的话就用吧freq = 1;decay = 6;duration = 0.25;retard = textIndex*thisComp.frameDuration*1;t = time - (inPoint + retard);startVal = [100,100,100];endVal = [0,0,0];if (t < duration){linear(t,0,duration,startVal,endVal);}else{amp = (endVal - startVal)/duration;w = freq*Math.PI*2;endVal + amp*(Math.sin((t-duration)*w)/Math.exp(decay*(t-duration))/w);}
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委托设计