strips/voxelotl-engine
2
0
Fork 0
mirror of https://github.com/GayPizzaSpecifications/voxelotl-engine.git synced 2025-08-04 05:31:34 +00:00
Code Issues Packages Projects Releases Wiki Activity

prep for chunk meshing

Browse Source
This commit is contained in:
a dinosaur
2024-09-01 21:16:05 +10:00
parent cb0e7bb232
commit da26773221
11 changed files with 157 additions and 91 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
Sources/Voxelotl/Math/VectorExtensions.swift
View File

@ -22,11 +22,13 @@ public extension SIMD3 {
}
}
public extension SIMD3 where Scalar: FloatingPoint {
@inline(__always) static var X: Self { Self(1, 0, 0) }
@inline(__always) static var Y: Self { Self(0, 1, 0) }
@inline(__always) static var Z: Self { Self(0, 0, 1) }
public extension SIMD3 where Scalar: Numeric {
@inline(__always) static var X: Self { Self(1, 0, 0) }
@inline(__always) static var Y: Self { Self(0, 1, 0) }
@inline(__always) static var Z: Self { Self(0, 0, 1) }
}
public extension SIMD3 where Scalar: FloatingPoint {
@inline(__always) static var up: Self { Y }
@inline(__always) static var down: Self { -Y }
@inline(__always) static var left: Self { -X }
@ -35,6 +37,15 @@ public extension SIMD3 where Scalar: FloatingPoint {
@inline(__always) static var back: Self { Z }
}
public extension SIMD3 where Scalar: SignedInteger & FixedWidthInteger {
@inline(__always) static var up: Self { Y }
@inline(__always) static var down: Self { 0 &- Y }
@inline(__always) static var left: Self { 0 &- X }
@inline(__always) static var right: Self { X }
@inline(__always) static var forward: Self { 0 &- Z }
@inline(__always) static var back: Self { Z }
}
public extension SIMD3 where Scalar: Numeric & AdditiveArithmetic {
@inline(__always) func dot(_ b: Self) -> Scalar { self.x * b.x + self.y * b.y + self.z * b.z }
}