To adjust the ease-in or ease-out of an animation in Unity, you modify the transition settings within the Animator window. Specifically, you'll adjust the Ease In Duration and Ease Out Duration properties on transitions between animation states.
Here's a breakdown:
Steps to Adjust Ease In/Out:
- Open the Animator Window: Go to Window > Animation > Animator.
- Select the Transition: Click on the transition arrow that connects two animation states in your Animator Controller. This transition represents the animation that plays when moving from one animation state to another.
- Inspect the Transition: With the transition selected, the Inspector window will display its properties.
- Adjust Ease In/Out Duration:
- Ease In Duration: This property controls how smoothly the animation transitions into the target state. A larger value creates a longer ease-in.
- Ease Out Duration: This property controls how smoothly the animation transitions out of the source state. A larger value creates a longer ease-out.
- Optional: Adjust Interruption Source: Setting the "Interruption Source" property can influence how seamlessly transitions occur when interrupted. Options include "None," "Current State," "Next State," and "Current State Then Next State." Experiment with these for finer control.
- Optional: Adjust Transition Duration Mode: The "Transition Duration Mode" dictates how the Transition Duration is calculated. "Fixed Duration" is the most straightforward.
Understanding Ease In and Ease Out:
- Ease In (Acceleration): The animation starts slowly and gradually speeds up as it approaches the target state.
- Ease Out (Deceleration): The animation starts at full speed and gradually slows down as it approaches the target state.
Example:
Imagine you have two animation states: "Idle" and "Walking." You want a smooth transition from Idle to Walking.
- Ease In: Increase the Ease In Duration on the transition from "Idle" to "Walking." The character will slowly accelerate into the walking animation instead of abruptly starting to walk.
- Ease Out: You might want to adjust the Ease Out Duration on a transition from "Walking" to "Idle" so the character smoothly decelerates into the idle pose.
In summary: By manipulating the Ease In Duration and Ease Out Duration properties of transitions in the Animator window, you can fine-tune the smoothness and feel of your animation transitions, creating a more polished and professional result.