Exemplo n.º 1
0
        internal static async Task AddSvrfModel(GameObject gameObject, MediaModel model, SvrfModelOptions options)
        {
            var gltfComponent = gameObject.AddComponent <GLTFComponent>();

            // Do not load the model automatically: let us call .Load() method manually and await it.
            SetGltfComponentField(gltfComponent, "loadOnStart", false);
            gltfComponent.GLTFUri = model.GetMainGltfFile();

            SetGltfComponentField(gltfComponent, "shaderOverride", options.ShaderOverride);

            await gltfComponent.Load();

            var gltfRoot = gameObject.transform.GetChild(0);
            var occluder = FindDescendant(gltfRoot, "Occluder");

            // GLTF models are right-handed, but the Unity coordinates are left-handed,
            // so rotating the model around Y axis.
            gltfRoot.transform.Rotate(Vector3.up, 180);

            if (occluder == null)
            {
                return;
            }

            if (options.WithOccluder)
            {
                var meshRenderer = occluder.transform.Find("Primitive").GetComponent <SkinnedMeshRenderer>();
                // If we need to handle occlusion, apply our custom shader to handle it.
                meshRenderer.sharedMaterials[0].shader = Shader.Find("Svrf/Occluder");
            }
            else
            {
                // If we don't need to handle occlusion, hide the occluder.
                occluder.gameObject.SetActive(false);
            }
        }