Cesium加載3dtiles ，出現An error occurred while rendering. Rendering has stopped.RuntimeError: Unsupport

    RuntimeError: Unsupported glTF Extension: KHR_technique_webgl 這是因爲gltf1.0升級到gltf2.0後不支持自定義shader    var fixGltf = function(gltf) {     if (!gltf.extensionsUsed) {         return;     }       var v

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