87 lines
1.7 KiB
Swift
87 lines
1.7 KiB
Swift
import OrderedCollections
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public struct Model<T: Vertex>: Resource
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{
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public let meshes: [Mesh<T>]
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}
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public struct Mesh<T: Vertex>: Resource
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{
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public typealias Index = UInt16
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public struct SubMesh
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{
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public let start, length: Int
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public let material: Int //hack
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public init(start: Int, length: Int, material: Int = -1)
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{
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self.start = start
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self.length = length
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self.material = material
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}
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}
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public let vertices: [T]
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public let indices: [Index]
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public let subMeshes: OrderedDictionary<String, SubMesh>
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public let materials: [Material] // hack
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}
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public extension Mesh
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{
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static var empty: Self { Self(vertices: .init(), indices: .init(), subMeshes: .init(), materials: .init()) }
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init(vertices: [T], indices: [Index])
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{
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self.init(
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vertices: vertices,
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indices: indices,
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subMeshes: .init(),
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materials: .init())
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}
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init(vertices: [T], indices: [Index], subMeshes: OrderedDictionary<String, SubMesh>)
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{
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self.init(
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vertices: vertices,
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indices: indices,
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subMeshes: subMeshes,
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materials: .init())
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}
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}
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public protocol Vertex: Equatable {}
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public struct VertexPositionNormalTexcoord: Vertex
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{
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public let position: Vec3f
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public let normal: Vec3f
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public let texCoord: Vec2f
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public init(position: Vec3f, normal: Vec3f, texCoord: Vec2f)
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{
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self.position = position
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self.normal = normal
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self.texCoord = texCoord
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}
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}
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public struct VertexPositionNormalColourTexcoord: Vertex
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{
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public let position: Vec3f
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public let normal: Vec3f
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public let colour: Colour
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public let texCoord: Vec2f
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public init(position: Vec3f, colour: Colour, normal: Vec3f, texCoord: Vec2f)
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{
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self.position = position
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self.colour = colour
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self.normal = normal
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self.texCoord = texCoord
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}
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}
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