Using the Curve Editor in the Particle Editor
Using the Curve Editor in the Particle Editor
Use the Curve Editor to edit the attribute values over the emitter and particle lifetimes. Strength Over Emitter Life is active only if you have an emitter lifetime that is greater than zero.
To edit the curves
In the Curve Editor, double-click along the curve timeline to add a key.
Click and drag the keyframe to the preferred value and shape.