Adjusting the easing function allows you to adjust the speed of the character’s bone movement between two keyframes.

1. Using the system’s preset easing function

(1) Select a bone of the character;

(2) Click on the [Edit] button of the Easing Function in the properties panel;

(3) Select an easing function from the system list;

(4) Preview the easing function effect;

(5) If the effect is as expected, click [X] to exit, otherwise select another easing function and preview the effect.

2. Using custom easing functions

(1) Select a bone of the character;

(2) Click on the [Edit] button of the Easing Function in the properties panel;

(3) Drag the control points to adjust the easing curve;

(4) Preview the easing function effect;

(5) If the effect is as expected, click on the [Add to Custom] button to add to the custom easing function area;

(6) Select an added custom easing function;

(7) Click [X] to exit the Easing Function window.