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September 4, 2024 02:45
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Texture grid RealityView
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| import SwiftUI | |
| import RealityKit | |
| // Volume example | |
| struct TileFloorRealityView: View { | |
| let gridSize = 8 | |
| var body: some View { | |
| GeometryReader3D { proxy in | |
| RealityView { content in | |
| let size = content.convert(proxy.frame(in: .local), from: .local, to: .scene).extents | |
| let tileSize = Float(min(size.x, size.y)) / Float(gridSize) | |
| let mesh = MeshResource.generatePlane(width: tileSize, height: tileSize) | |
| let textureResource = try! await loadTileTextureResource() | |
| let material = UnlitMaterial(texture: textureResource) | |
| for row in 0..<gridSize { | |
| for column in 0..<gridSize { | |
| let modelEntity = ModelEntity(mesh: mesh, materials: [material]) | |
| let x = Float(column) * tileSize - Float(gridSize - 1) * tileSize / 2 | |
| let y = Float(row) * tileSize - Float(gridSize - 1) * tileSize / 2 | |
| modelEntity.transform.translation = .init(x: x, y: y, z: 0) | |
| content.add(modelEntity) | |
| } | |
| } | |
| } | |
| } | |
| } | |
| } | |
| // Immersive space example | |
| struct TileFloorImmersiveRealityView: View { | |
| let gridSize: Int = 16 | |
| let tileSize: Float = 1.0 | |
| var body: some View { | |
| RealityView { content in | |
| let mesh = MeshResource.generatePlane(width: tileSize, height: tileSize) | |
| let textureResource = try! await loadTileTextureResource() | |
| let material = UnlitMaterial(texture: textureResource) | |
| for row in 0..<gridSize { | |
| for column in 0..<gridSize { | |
| let modelEntity = ModelEntity(mesh: mesh, materials: [material]) | |
| let x = Float(column) * tileSize - Float(gridSize - 1) * tileSize / 2 | |
| let z = Float(row) * tileSize - Float(gridSize - 1) * tileSize / 2 | |
| modelEntity.transform.translation = .init(x: x, y: 0, z: z) | |
| modelEntity.transform.rotation = .init(angle: -.pi*0.5, axis: [1,0,0]) | |
| content.add(modelEntity) | |
| } | |
| } | |
| } | |
| } | |
| } | |
| fileprivate func loadTileTextureResource(url: URL = URL(string: "https://matt54.github.io/Resources/floor_tile_1.png")!) async throws -> TextureResource { | |
| let (data, _) = try await URLSession.shared.data(from: url) | |
| let image = UIImage(data: data)! | |
| let cgImage = image.cgImage! | |
| return try await TextureResource(image: cgImage, options: .init(semantic: nil)) | |
| } | |
| #Preview { | |
| TileFloorRealityView() | |
| } |
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