 <xr-scene wx:if="{{type == 'img'}}" render-system="alpha:true" bind:ready="handleReady">
    <xr-node visible="{{visible}}">
		<xr-light type="ambient" color="1 1 1" intensity="3" />
		<xr-light type="spot" color="1 1 1" intensity="5" position="3 3 3" range="3" />
		<xr-assets bind:loaded="handleAssetsImg">
		    <xr-asset-load
				type="cube-texture"
				asset-id="img"
				src="/static/img/"
				options="faces: test1.png test1.png test1.png test1.png test.jpg test.jpg,wrapU:1,wrapV:2"
			/>
			<xr-asset-material asset-id="standard-mat" effect="standard" />
		</xr-assets>
		<xr-mesh
			id="img"
			node-id="img"
			geometry="cube"
			material="standard-mat"
			uniforms="u_baseColorMap: cube-img"
			cube-shape="autoFit:true"
			scale="4 3 1"
		></xr-mesh>
	</xr-node>
    <xr-camera id="camera" clear-color="0 0 0 0" position="3 2 8" target="img" camera-orbit-control/>
 </xr-scene>
渲染出来空白的