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56 lines
1.8 KiB
Swift
56 lines
1.8 KiB
Swift
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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@exported import SceneKit // Clang module
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@availability(iOS, introduced=8.0)
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@availability(OSX, introduced=10.8)
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extension SCNGeometryElement {
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public convenience init<IndexType : IntegerType>(
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indices: [IndexType], primitiveType: SCNGeometryPrimitiveType
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) {
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let indexCount = indices.count()
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let primitiveCount: Int
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switch primitiveType {
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case .Triangles:
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primitiveCount = indexCount / 3
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case .TriangleStrip:
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primitiveCount = indexCount - 2
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case .Line:
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primitiveCount = indexCount / 2
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case .Point:
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primitiveCount = indexCount
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}
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self.init(
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data: NSData(bytes: indices, length: indexCount * sizeof(IndexType)),
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primitiveType: primitiveType,
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primitiveCount: primitiveCount,
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bytesPerIndex: sizeof(IndexType))
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}
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}
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@asmname("SCN_Swift_SCNSceneSource_entryWithIdentifier")
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internal func SCN_Swift_SCNSceneSource_entryWithIdentifier(
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self_: AnyObject,
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_ uid: NSString,
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_ entryClass: AnyClass) -> AnyObject?
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@availability(iOS, introduced=8.0)
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@availability(OSX, introduced=10.8)
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extension SCNSceneSource {
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public func entryWithIdentifier<T>(uid: String, withClass entryClass: T.Type) -> T? {
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return SCN_Swift_SCNSceneSource_entryWithIdentifier(
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self, uid, entryClass as! AnyClass) as! T?
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}
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}
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