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Assets/GLTFUtility-master/Scripts/Extensions/KHR_texture_transform.cs

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+using Newtonsoft.Json;
+using Siccity.GLTFUtility.Converters;
+using UnityEngine;
+using UnityEngine.Scripting;
+
+namespace Siccity.GLTFUtility {
+	/// <summary>
+	/// KHR_texture_transform textureInfo extension
+	/// glTF extension that enables shifting and scaling UV coordinates on a per-texture basis
+	/// see: https://github.com/KhronosGroup/glTF/blob/master/extensions/2.0/Khronos/KHR_texture_transform/schema/KHR_texture_transform.textureInfo.schema.json
+	/// </summary>
+	[Preserve] public class KHR_texture_transform : GLTFMaterial.TextureInfo.IExtension {
+		/// <summary>
+		/// The offset of the UV coordinate origin as a factor of the texture dimensions.
+		/// </summary>
+		[JsonConverter(typeof(Vector2Converter))] public Vector2 offset = Vector2.zero;
+
+		/// <summary>
+		/// Rotate the UVs by this many radians counter-clockwise around the origin.
+		/// </summary>
+		public float rotation = 0.0f;
+
+		/// <summary>
+		/// The scale factor applied to the components of the UV coordinates.
+		/// </summary>
+		[JsonConverter(typeof(Vector2Converter))] public Vector2 scale = Vector2.one;
+
+		/// <summary>
+		/// Overrides the textureInfo texCoord value if supplied, and if this extension is supported.
+		/// </summary>
+		public int texCoord = 0;
+
+		public void Apply(GLTFMaterial.TextureInfo texInfo, Material material, string textureSamplerName) {
+			material.SetTextureOffset(textureSamplerName, offset);
+			// TODO rotation
+			material.SetTextureScale(textureSamplerName, scale);
+			// TODO texCoord
+		}
+	}
+}