Скачать или смотреть How to Move an Object Accurately to a Target in Unity and Make it a Child of That Target

Discover how to effectively move an object towards a target in Unity, ensuring it stops accurately and becomes a child of that target upon reaching.
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This video is based on the question https://stackoverflow.com/q/64326959/ asked by the user 'Daniel Lip' ( https://stackoverflow.com/u/847881/ ) and on the answer https://stackoverflow.com/a/64327187/ provided by the user 'Milan Egon Votrubec' ( https://stackoverflow.com/u/8051819/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Moving Objects Accurately in Unity

When developing games in Unity, you'll often encounter situations where you want an object to move towards a specific target. This task can range from simple movements to more complex behaviors, such as making sure the object stops when it’s close enough to the target and, importantly, turning the object into a child of that target upon reaching it. In this post, we will explore how to implement that accurately.

The Problem

You may have implemented a basic movement script to move an object towards a target, but ended up facing a few challenges:

The object continues to move even when it’s very close to the target.

The object does not land exactly on the target.

Once the object reaches the target, you want it to become a child of that target object.

These issues can easily be solved with some simple modifications to your existing code.

The Solution

Below is a refined approach to move an object towards a target more accurately. This solution incorporates checks to stop the object when it reaches an acceptable distance, ensuring it becomes a child of the target.

Step-by-Step Breakdown

Distance Check: Incorporate a distance check within the update loop to determine how close the object is to the target. This helps prevent continuous movement when the object is near enough.

Tolerance Value: Define a tolerance value that indicates how close is “close enough.” This allows you to specify when the object should stop moving.

Parenting the Object: When the object reaches the target, you will make it a child of the target and disable the movement to prevent further updates.

Here’s how you can implement these concepts in Unity with C# :

[[See Video to Reveal this Text or Code Snippet]]

Explanation of the Code

Find the Target: The Start method retrieves the target object by its name.

Update Logic: Within the Update method, the movement is only processed when IKControl.startMovingNAVI is true.

Distance Measurement: We calculate the difference between the target’s and the object’s positions.

Tolerance Check: If the distance is less than yourToleranceValue, the object will become a child of the target, and the movement script will be disabled.

Moving the Object: If the object is not close enough, it moves towards the target.

Conclusion

By implementing the steps discussed above, you can ensure your object moves smoothly towards a target, stops when within a specified range, and becomes a child of that target. This method provides a more controlled and effective way to handle object movement in Unity.

Feel free to modify the yourToleranceValue based on your game's requirements, and watch your objects behave more naturally!