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unity-camera-multi-target

★ 228 Open GitHub ↗

Unity library to dynamically keep multiple objects in camera view

// repository documentation

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# Dynamic Multi Target Camera for Unity

Concise Unity library which dynamically keeps a set of objects (e.g. players and important objects) in view, a common problem for a wide range of games.

The library was originally developed for, and used by [Survival Ball](https://survivalball.com/), a game with a heavy shared screen local co-op component, requiring the camera to dynamically keep many key elements in view. More information about the library's inner workings and underlying math in the related [blog article](https://lopespm.github.io/libraries/games/2018/12/27/camera-multi-target.html).

[<img src="https://user-images.githubusercontent.com/3640622/71978096-714ea100-3212-11ea-9480-cbc0ce33df4a.png"
      alt="Get it for free on the Unity Asset Store"
      height="80">](https://assetstore.unity.com/packages/tools/camera/camera-multi-target-dynamic-135922)

[<img src="https://user-images.githubusercontent.com/3640622/50427650-c2108780-08a5-11e9-9db0-d69e9fa329c1.gif" alt="Camera Multi Target Example Scene Video">](https://www.youtube.com/watch?v=In3eVapQ5mk)

## Install

### From Unity's Asset Store

Available at https://assetstore.unity.com/packages/tools/camera/camera-multi-target-dynamic-135922. Via Unity Editor, download and import the CameraMultiTarget folder into your project.

### By importing CameraMultiTarget.unitypackage

The pre-built package can be downloaded from the repository's releases [here](https://github.com/lopespm/unity-camera-multi-target/releases/latest). After downloading the package, import it to your project via Unity Editor: *Assets -> Import Package -> Custom Package..*.

### Or by cloning this repository

#### Clone entire repository (git)

This repository contains the complete Unity project which includes the library and an example usage scene. After you clone the entire repository using git, copy the *Assets/CameraMultiTarget* folder to your project

git clone https://github.com/lopespm/unity-camera-multi-target.git

#### Checkout specific features (SVN)

Since cloning a specific folder can be a quite convoluted process via git, you can checkout the *Assets/CameraMultiTarget* folder directly to your project using SVN:

cd <your_project_root_folder>
    svn checkout https://github.com/lopespm/unity-camera-multi-target/trunk/Assets/CameraMultiTarget Assets/CameraMultiTarget

Or if you wish to only install the library without the example scene:

cd <your_project_root_folder>
    svn checkout https://github.com/lopespm/unity-camera-multi-target/trunk/Assets/CameraMultiTarget/Library Assets/CameraMultiTarget/Library

## Usage

Add the [`CameraMultiTarget`](Assets/CameraMultiTarget/Library/CameraMultiTarget.cs) component to a camera and then you can programatically set which game objects the camera will track via the component's [`SetTargets(GameObject[] targets)`](Assets/CameraMultiTarget/Library/CameraMultiTarget.cs#L23) method.

For example, you can set the targets in your game controller component (if you choose to have one), like the following:

public class ExampleGameController : MonoBehaviour
    {
        public Rockbyte.CMT.CameraMultiTarget cameraMultiTarget;
    
        private void Start() {
            var targets = new List<GameObject>();
            targets.Add(CreateTarget());
            targets.Add(CreateTarget());
            targets.Add(CreateTarget());
            cameraMultiTarget.SetTargets(targets.ToArray());
        }

private GameObject CreateTarget() {
            GameObject target = GameObject.CreatePrimitive(PrimitiveType.Capsule);
            target.transform.position = Random.insideUnitSphere * 10f;
            return target;
        }
    }

## Example Scene

An example scene of the library's usage is included in this repository and in the pre-built package located in the repository's releases.

## Games using Dynamic Multi Target Camera

- [Survival Ball](https://survivalball.com/)

*Did you develop, or know about, a game using this library? Add it here via [pull request](https://github.com/lopespm/unity-camera-multi-target/pulls)*

unity-camera-multi-target

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