Frozen Random Number - After Effects Expression

Frozen Random Number

seedRandom(index,true);
myValue = random(50) ;

More expressions you might like...

Control Shape Layer Position with Null

Control shape layer position with a Null - works like parenting, but keeps the relative position of your shape layer.

Loop Path Keyframes

Seamlessly loop keyframes on a Path Property for shape layers or masks.

Wiggle on One Dimension

Constrain wiggle to One Dimension (X or Y). NOTE: Wiggles X dimension. For Y dimension only, change last line to [value[0],w[1]]

Credit