Sceneform：GLB 模型不投射阴影

Question

我创建了一个 ViewRenderable 来位于我的 GLB 模型下方，但它似乎不会导致在 viewRenderable 上投射任何阴影。

我做错了什么？

class ShadowSelectionVisualizer : SelectionVisualizer {
        private val footprintNode: Node = Node()

        fun setFootprintRenderable(viewRenderable: ViewRenderable) {
            val copyRenderable = viewRenderable.makeCopy()
            copyRenderable.verticalAlignment = ViewRenderable.VerticalAlignment.CENTER
            val rotation1: Quaternion = Quaternion.axisAngle(Vector3(1.0f, 0.0f, 0.0f), 90f)
            footprintNode.renderable = copyRenderable
            footprintNode.localRotation = rotation1
        }

        override fun applySelectionVisual(node: BaseTransformableNode) {
            if (node.collisionShape is Box) {
                val box: Box = node.collisionShape as Box
                val vector3: Vector3 = box.size
                (footprintNode.renderable as ViewRenderable).sizer = ViewSizer {
                    val bound = if (vector3.x > vector3.z) vector3.x else vector3.z
                    Vector3(bound, bound, 0.0f)
                }
                footprintNode.setParent(node)
            }
        }

        override fun removeSelectionVisual(node: BaseTransformableNode?) {
            footprintNode.setParent(null)
        }
    }

myModelRenderable.isShadowCaster = true

val selectionVisualizer = ShadowSelectionVisualizer()
val transformationSystem = TransformationSystem(resources.displayMetrics, selectionVisualizer)

 ViewRenderable.builder()
            .setView(
                context, R.layout.shadow_receiver
            )
            .setRegistryId("someId.glb")
            .build()
            .thenAccept { viewRenderable: ViewRenderable ->
                viewRenderable.isShadowCaster = false
                viewRenderable.isShadowReceiver = true
                selectionVisualizer.setFootprintRenderable(viewRenderable)
            }

Answer 1

viewRenderable.isShadowCaster = false

将其设置为 true。更多信息请参见：https:// Developers.google.com/sceneform/reference/com/google/ar/sceneform/rendering/Renderable#isShadowCaster()