After Effects Expression Bounce Floor

The most popular bounce expression for after effects.

After effects expression bounce floor.

Download the loop expression example here. Download the ae presets. Http bit ly 2t89vxn learn how to create bounce particles that bounce off a floor in after effects. The math that goes into making this bounce expression is pretty darn nerdy.

Copy the standard bounce expression for after effects. Creating bounce particles allow you to wo. Scale 100 to 120 or position from left to right. Note that you also have to define the maximum number of bounces nmax to keep the expression from disappearing into an endless calculation of smaller and smaller bounces.

After effects will interpolate the velocity of your layers movement to help determine how the bounce will work. The expressions below are all covered in the tutorial above and you can simply copy paste them to your project. Create or import your graphics in after effects. Add keyframes to the position property of the layer you want to animate.

If you re new to after effects we suggest to first watch our introduction and then come back for these expressions. Download the project file. First create an animation ie. Essentially inertial bounce creates a bouncing motion of any parameter from one keyframe to the next based on its velocity.

The bounce expression is great because it only takes two keyframes to create a bounce. The bounce parameters launch angle elev initial velocity v elasticity e friction f and gravity g are all defined at the top of the expression. These are expressions i use in just about every project and i consider them to be incredible workflow enhancements. The bounce happens in whatever direction the object is traveling.