Drew Olbrich drewolbrich
drewolbrich
/ TextureResource+LoadFileAsync.swift
Last active
March 6, 2024 15:47
A wrapper around iOS Entity/loadAsync(named:in:) and visionOS Entity(named:in:) async that works on both platforms
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| // | |
| // TextureResource+LoadFileAsync.swift | |
| // | |
| // Created by Drew Olbrich on 12/24/23. | |
| // Copyright © 2023 Lunar Skydiving LLC. All rights reserved. | |
| // | |
| // MIT License | |
| // | |
| // Permission is hereby granted, free of charge, to any person obtaining a copy | |
| // of this software and associated documentation files (the "Software"), to deal |
drewolbrich
/ ModelEntity+ReverseTriangleIndices
Created
December 17, 2023 06:01
ModelEntity extension that reverses triangle indices
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| extension ModelEntity { | |
| func reverseTriangleIndices() async { | |
| guard let model else { | |
| assertionFailure("model is undefined") | |
| return | |
| } | |
| var updatedContents = MeshResource.Contents() | |
drewolbrich
/ SceneUpdateContext+EntitiesWhenRendering.swift
Last active
March 6, 2024 15:47
A RealityKit SceneUpdateContext extension that wraps entities(matching:updateSystemWhen:) but works on both visionOS and iOS
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| // | |
| // SceneUpdateContext+EntitiesWhenRendering.swift | |
| // | |
| // Created by Drew Olbrich on 7/27/23. | |
| // Copyright © 2023 Lunar Skydiving LLC. All rights reserved. | |
| // | |
| // MIT License | |
| // | |
| // Permission is hereby granted, free of charge, to any person obtaining a copy | |
| // of this software and associated documentation files (the "Software"), to deal |
drewolbrich
/ WindowBarGestureModifier.swift
Last active
April 17, 2024 15:26
A visionOS RealityView view modifier that handles drag gestures
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| // | |
| // WindowBarGestureModifier.swift | |
| // | |
| // Created by Drew Olbrich on 10/25/23. | |
| // Copyright © 2023 Lunar Skydiving LLC. All rights reserved. | |
| // | |
| // MIT License | |
| // | |
| // Permission is hereby granted, free of charge, to any person obtaining a copy | |
| // of this software and associated documentation files (the "Software"), to deal |
drewolbrich
/ View+WindowResizingRestrictions.swift
Last active
January 30, 2024 21:49
A view modifier that sets the resizing restrictions for the view's window
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| // IMPORTANT: The following code doesn't support specifying a window's | |
| // minimum and maximum size when used to constrain a window's aspect ratio. | |
| // Please use this newer view modifier extension instead: | |
| // https://gist.github.com/drewolbrich/03460fc1bb71b9a821fff722f17ec977 | |
| // | |
| // View+WindowResizingRestrictions.swift | |
| // | |
| // Created by Drew Olbrich on 11/19/23. | |
| // |
drewolbrich
/ ResizingRestrictionsView.swift
Last active
January 24, 2024 15:15
A SwiftUI view that sets UIWindowScene.ResizingRestrictions on its associated UIWindowScene
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| /// UPDATE: You may want to use this view modifier instead: | |
| /// https://gist.github.com/drewolbrich/90f11b7170267674cbdcb4a0d71ce873 | |
| import SwiftUI | |
| /// A view that, when included as a leaf node in a view hierarchy, sets | |
| /// `UIWindowScene.ResizingRestrictions` for the view's `UIWindowScene`. | |
| /// | |
| /// Example: | |
| /// |
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| import simd | |
| /// Creates a 4x4 matrix that orients the +Z axis in the direction of `at`, and the | |
| /// +Y axis toward `up`. | |
| func simd_look(at: SIMD3<Float>, up: SIMD3<Float> = SIMD3<Float>(0, 1, 0)) -> simd_float4x4 { | |
| let zAxis = normalize(at) | |
| let xAxis = normalize(cross(up, zAxis)) | |
| let yAxis = normalize(cross(zAxis, xAxis)) | |
| return simd_float4x4( |
drewolbrich
/ Entity+Opacity.swift
Last active
April 5, 2024 13:58
An Entity extension that supports animated changes the opacity of an entity and its descendants
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| // | |
| // Entity+Opacity.swift | |
| // | |
| // Created by Drew Olbrich on 10/25/23. | |
| // Copyright © 2023 Lunar Skydiving LLC. All rights reserved. | |
| // | |
| // MIT License | |
| // | |
| // Permission is hereby granted, free of charge, to any person obtaining a copy | |
| // of this software and associated documentation files (the "Software"), to deal |
drewolbrich
/ OpacityEntity.swift
Last active
January 31, 2024 18:22
An entity that supports animated changes in opacity
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| // Important: You may want to use this newer `Entity` extension instead: https://gist.github.com/drewolbrich/1e9d3da074c8a1d5ca93721124b97596 | |
| import Foundation | |
| import RealityKit | |
| extension Entity { | |
| /// The opacity value applied to the entity and its descendants. | |
| /// | |
| /// `OpacityComponent` is assigned to the entity if it doesn't already exist. |
drewolbrich
/ Entity+GenerateGroundingShadowComponents.swift
Last active
March 6, 2024 15:48
Add GroundingShadowComponent to all model entities in a hierarchy
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| // | |
| // Entity+GenerateGroundingShadowComponents.swift | |
| // | |
| // Created by Drew Olbrich on 10/18/23. | |
| // Copyright © 2023 Lunar Skydiving LLC. All rights reserved. | |
| // | |
| // MIT License | |
| // | |
| // Permission is hereby granted, free of charge, to any person obtaining a copy | |
| // of this software and associated documentation files (the "Software"), to deal |