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Add usdview macos/ios metal implementation
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,84 @@ | ||
| /* ---------------------------------------------------------------- | ||
| * :: : M E T A V E R S E : :: | ||
| * ---------------------------------------------------------------- | ||
| * Licensed under the terms set forth in the LICENSE.txt file, this | ||
| * file is available at https://openusd.org/license. | ||
| * | ||
| * Copyright (C) 2016 Pixar. | ||
| * Copyright (C) 2024 Wabi Foundation. All Rights Reserved. | ||
| * ---------------------------------------------------------------- | ||
| * . x x x . o o o . x x x . : : : . o x o . : : : . | ||
| * ---------------------------------------------------------------- */ | ||
|
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||
| import Foundation | ||
| import PixarUSD | ||
|
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||
| public extension Hydra | ||
| { | ||
| class Camera | ||
| { | ||
| private let isZUp: Bool | ||
| public var params = Params() | ||
|
|
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| public struct Params | ||
| { | ||
| public var rotation = Pixar.GfVec3d(0.0) | ||
| public var focus = Pixar.GfVec3d(0.0) | ||
| public var distance = 50.0 | ||
| public var focalLength = 0.0 | ||
| public var projection = Pixar.GfCamera.Projection(0) | ||
| public var leftBottomNear = Pixar.GfVec3d() | ||
| public var rightTopFar = Pixar.GfVec3d() | ||
| public var scaleViewport = 1.0 | ||
| } | ||
|
|
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| public var position = Pixar.GfVec3d() | ||
| public var standardFocalLength = Double() | ||
| public var scaleBias = Double() | ||
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|
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| public init(isZUp: Bool) | ||
| { | ||
| self.isZUp = isZUp | ||
| params.rotation = Pixar.GfVec3d(0.0) | ||
| params.focus = Pixar.GfVec3d(0.0) | ||
| params.distance = 50.0 | ||
| params.scaleViewport = 1.0 | ||
| } | ||
|
|
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| public func getTransform() -> GfMatrix4d | ||
| { | ||
| let gfRotation = getRotation() | ||
| var cameraTransform = GfMatrix4d(1.0) | ||
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| var gfMatrix1 = GfMatrix4d() | ||
| var gfMatrix2 = GfMatrix4d() | ||
| var gfMatrix3 = GfMatrix4d() | ||
|
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| cameraTransform = | ||
| gfMatrix1.SetTranslate(Pixar.GfVec3d(0.0, 0.0, params.distance)).pointee * | ||
| gfMatrix2.SetRotate(gfRotation).pointee * | ||
| gfMatrix3.SetTranslate(params.focus).pointee | ||
|
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| return cameraTransform | ||
| } | ||
|
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| public func getRotation() -> Pixar.GfRotation | ||
| { | ||
| var gfRotation = Pixar.GfRotation(Pixar.GfVec3d.ZAxis(), params.rotation[2]) * | ||
| Pixar.GfRotation(Pixar.GfVec3d.XAxis(), params.rotation[0]) * | ||
| Pixar.GfRotation(Pixar.GfVec3d.YAxis(), params.rotation[1]) | ||
|
|
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| if isZUp | ||
| { | ||
| gfRotation = gfRotation * Pixar.GfRotation(Pixar.GfVec3d.XAxis(), 90.0) | ||
| } | ||
|
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| return gfRotation | ||
| } | ||
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| public func getShaderParams() -> Params | ||
| { | ||
| return params | ||
| } | ||
| } | ||
| } |
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