KHR_Transform

Ali_RS · March 1, 2023, 9:33am

Here it is

jMonkeyEngine/jmonkeyengine/blob/7854851a723a818a27cd429f9b35c580f0b4c954/jme3-plugins/src/gltf/java/com/jme3/scene/plugins/gltf/TextureTransformExtensionLoader.java#L61


      
          

          /**

           * Thread-safe extension loader for KHR_texture_transform. 

           * It allows for UV coordinates to be scaled/rotated/translated  

           * based on transformation properties from textures in the glTF model.

           *

           * See spec at https://github.com/KhronosGroup/glTF/tree/main/extensions/2.0/Khronos/KHR_texture_transform

           *

           * @author manuelrmo - Created on 11/20/2022

           */

          public class TextureTransformExtensionLoader implements ExtensionLoader {

              

              private final static Logger logger = Logger.getLogger(TextureTransformExtensionLoader.class.getName());

                  

              /**

               * Scale/rotate/translate UV coordinates based on a transformation matrix.

               * Code adapted from scaleTextureCoordinates(Vector2f) in jme3-core/src/main/java/com/jme3/scene/Mesh.java

               * @param mesh The mesh holding the UV coordinates

               * @param transform The matrix containing the scale/rotate/translate transformations

               * @param verType The vertex buffer type from which to retrieve the UV coordinates

               */

See, for the above warning