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UNITY.md

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Using Corto within Unity

To use Corto within Unity, you first need to add the plugin to your project. Take the plugin (cortocodec_unity.dll in your build directory) and add it to Assets/Plugins/ in your Unity project directory.

Then activate the use of 'unsafe' code within Unity:

  • For Unity 2019 : Go to Edit > Project Settings > Player > Other Settings Tick "Allow 'unsafe' Code" under "Configuration"

Creating a script that use Corto

Add the following lines to the script that will call the plugin:

[DllImport("cortocodec_unity", EntryPoint = "CreateDecoder")]
private static extern IntPtr CreateDecoder(int length, byte[] data, [In, Out] Vector2[] decoderInfo);
[DllImport("cortocodec_unity", EntryPoint = "DestroyDecoder")]
private static extern void DestroyDecoder(IntPtr decoder);
[DllImport("cortocodec_unity", EntryPoint = "DecodeMesh")]
private static extern int DecodeMesh(IntPtr decoder, [In, Out] Vector3[] vertices, [In, Out] int[] indices, [In, Out] Vector3[] normals, [In, Out] Color[] colors, [In, Out] Vector2[] texcoord);

NOTE : Because we manipulate pointers, you have to declare the class as 'unsafe'

Demo

You can find an example of script in corto/unity/ - Create an empty game object - Add a MeshFilter and a MeshRenderer - Attach CortoDecodingObject.cs to it - Give it the .crt file name you want to open (ex: bunny) [NOTE : The file as to be a .bytes and must be placed in Assets/Resources/ !] - Press "Play"