android - 从 ARcore 增强面网格渲染面罩
问题描述
我需要使用 Filament 渲染面罩。从 ARcore Augmented Faces 我有索引、顶点的缓冲区。不幸的是,渲染的面罩以某种方式损坏。 看看那个截图
我从 AugmentedFace 对象中获取网格:
val meshVertices = face.meshVertices
val uvs = face.meshTextureCoordinates
val meshNormals = face.meshNormals
val meshIndices = face.meshTriangleIndices
然后我创建顶点和索引缓冲区:
faceVertexBuffer = VertexBuffer.Builder()
.bufferCount(3)
.vertexCount(468)
.attribute(VertexBuffer.VertexAttribute.POSITION, 0, VertexBuffer.AttributeType.FLOAT3, 0, 3 * Float.SIZE_BYTES)
.attribute(VertexBuffer.VertexAttribute.TANGENTS, 1, VertexBuffer.AttributeType.FLOAT3, 0, 3 * Float.SIZE_BYTES)
.attribute(VertexBuffer.VertexAttribute.UV0, 2, VertexBuffer.AttributeType.FLOAT2, 0, 2 * Float.SIZE_BYTES)
.build(filament.engine)
meshVertices.rewind()
meshNormals.rewind()
uvs.rewind()
faceVertexBuffer.setBufferAt(filament.engine, 0, meshVertices)
faceVertexBuffer.setBufferAt(filament.engine, 1, meshNormals)
faceVertexBuffer.setBufferAt(filament.engine, 2, uvs)
faceIndexBuffer = IndexBuffer.Builder()
.indexCount(2694)
.bufferType(IndexBuffer.Builder.IndexType.USHORT)
.build(filament.engine)
meshIndices.rewind()
faceIndexBuffer.setBuffer(filament.engine, meshIndices)
我渲染对象并将其添加到场景中:
RenderableManager.Builder(1)
.boundingBox(Box(0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 1.0f))
.geometry(0, RenderableManager.PrimitiveType.TRIANGLES, faceVertexBuffer, faceIndexBuffer, 0, 468)
.material(0, materialInstance)
.build(filament.engine, faceRenderable)
filament.scene.addEntity(faceRenderable)
面罩的位置很好,眼睛,嘴巴在那个地方,但是质地很破。
任何提示我错过了什么?