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split rectangle

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a dinosaur
2024-08-28 16:22:20 +10:00
parent 503c48404c
commit f95be3f5f4
5 changed files with 84 additions and 84 deletions
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3
Sources/Voxelotl/CMakeLists.txt
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@ -11,7 +11,10 @@ add_executable(Voxelotl MACOSX_BUNDLE
Math/FloatExtensions.swift
Math/VectorExtensions.swift
Math/Matrix4x4.swift
Math/Point.swift
Math/Size.swift
Math/Rectangle.swift
Math/Extent.swift
Math/AABB.swift
# Random number generator subsystem

13
Sources/Voxelotl/Math/Extent.swift Normal file
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@ -0,0 +1,13 @@
struct Extent<T: AdditiveArithmetic>: Equatable {
var top: T, bottom: T, left: T, right: T
@inline(__always) static func == (lhs: Self, rhs: Self) -> Bool {
lhs.left == rhs.left && lhs.right == rhs.right && lhs.top == rhs.top && lhs.bottom == rhs.bottom
}
}
extension Extent where T: Comparable {
var size: Size<T> { .init(
right > left ? right - left : left - right,
bottom > top ? bottom - top : top - bottom) }
}

27
Sources/Voxelotl/Math/Point.swift Normal file
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@ -0,0 +1,27 @@
struct Point<T: AdditiveArithmetic>: Equatable {
var x: T, y: T
static var zero: Self { .init(.zero, .zero) }
init(_ x: T, _ y: T) {
self.x = x
self.y = y
}
@inline(__always) static func == (lhs: Self, rhs: Self) -> Bool { lhs.x == rhs.x && lhs.y == rhs.y }
@inline(__always) static func != (lhs: Self, rhs: Self) -> Bool { lhs.x != rhs.x || lhs.y != rhs.y }
}
extension Point where T: AdditiveArithmetic {
@inline(__always) static func + (lhs: Self, rhs: Self) -> Self { Self(lhs.x + rhs.x, lhs.y + rhs.y) }
@inline(__always) static func - (lhs: Self, rhs: Self) -> Self { Self(lhs.x - rhs.x, lhs.y - rhs.y) }
@inline(__always) static func += (lhs: inout Self, rhs: Self) { lhs.x += rhs.x; lhs.y += rhs.y }
@inline(__always) static func -= (lhs: inout Self, rhs: Self) { lhs.x -= rhs.x; lhs.y -= rhs.y }
}
extension SIMD2 where Scalar: AdditiveArithmetic {
init(_ point: Point<Scalar>) {
self.init(point.x, point.y)
}
}

84
Sources/Voxelotl/Math/Rectangle.swift
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@ -1,73 +1,3 @@
struct Point<T: AdditiveArithmetic>: Equatable {
var x: T, y: T
static var zero: Self { .init(.zero, .zero) }
init(_ x: T, _ y: T) {
self.x = x
self.y = y
}
@inline(__always) static func == (lhs: Self, rhs: Self) -> Bool { lhs.x == rhs.x && lhs.y == rhs.y }
@inline(__always) static func != (lhs: Self, rhs: Self) -> Bool { lhs.x != rhs.x || lhs.y != rhs.y }
}
extension Point where T: AdditiveArithmetic {
@inline(__always) static func + (lhs: Self, rhs: Self) -> Self { Self(lhs.x + rhs.x, lhs.y + rhs.y) }
@inline(__always) static func - (lhs: Self, rhs: Self) -> Self { Self(lhs.x - rhs.x, lhs.y - rhs.y) }
@inline(__always) static func += (lhs: inout Self, rhs: Self) { lhs.x += rhs.x; lhs.y += rhs.y }
@inline(__always) static func -= (lhs: inout Self, rhs: Self) { lhs.x -= rhs.x; lhs.y -= rhs.y }
}
extension SIMD2 where Scalar: AdditiveArithmetic {
init(_ point: Point<Scalar>) {
self.init(point.x, point.y)
}
}
public struct Size<T: AdditiveArithmetic>: Equatable {
var w: T, h: T
static var zero: Self { .init(.zero, .zero) }
init(_ w: T, _ h: T) {
self.w = w
self.h = h
}
@inline(__always) public static func == (lhs: Self, rhs: Self) -> Bool { lhs.w == rhs.w && lhs.h == rhs.h }
@inline(__always) public static func != (lhs: Self, rhs: Self) -> Bool { lhs.w != rhs.w || lhs.h != rhs.h }
}
extension Size where T: BinaryInteger {
static var one: Self { .init(T(1), T(1)) }
init<O: BinaryInteger>(_ other: Size<O>) {
self.init(T(other.w), T(other.h))
}
init<O: BinaryFloatingPoint>(_ other: Size<O>) {
self.init(T(other.w), T(other.h))
}
}
extension Size where T: BinaryFloatingPoint {
init<O: BinaryInteger>(_ other: Size<O>) {
self.init(T(other.w), T(other.h))
}
init<O: BinaryFloatingPoint>(_ other: Size<O>) {
self.init(T(other.w), T(other.h))
}
@inline(__always) public static func / (lhs: Self, rhs: Self) -> Self { .init(lhs.w / rhs.w, lhs.h / rhs.h) }
}
extension SIMD2 where Scalar: AdditiveArithmetic {
init(_ size: Size<Scalar>) {
self.init(size.w, size.h)
}
}
public struct Rect<T: AdditiveArithmetic>: Equatable {
var x: T, y: T, w: T, h: T
@ -107,17 +37,3 @@ public extension Rect where T: AdditiveArithmetic {
var up: T { y }
var down: T { y + h }
}
struct Extent<T: AdditiveArithmetic>: Equatable {
var top: T, bottom: T, left: T, right: T
@inline(__always) static func == (lhs: Self, rhs: Self) -> Bool {
lhs.left == rhs.left && lhs.right == rhs.right && lhs.top == rhs.top && lhs.bottom == rhs.bottom
}
}
extension Extent where T: Comparable {
var size: Size<T> { .init(
right > left ? right - left : left - right,
bottom > top ? bottom - top : top - bottom) }
}

41
Sources/Voxelotl/Math/Size.swift Normal file
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@ -0,0 +1,41 @@
public struct Size<T: AdditiveArithmetic>: Equatable {
var w: T, h: T
static var zero: Self { .init(.zero, .zero) }
init(_ w: T, _ h: T) {
self.w = w
self.h = h
}
@inline(__always) public static func == (lhs: Self, rhs: Self) -> Bool { lhs.w == rhs.w && lhs.h == rhs.h }
@inline(__always) public static func != (lhs: Self, rhs: Self) -> Bool { lhs.w != rhs.w || lhs.h != rhs.h }
}
extension Size where T: BinaryInteger {
static var one: Self { .init(T(1), T(1)) }
init<O: BinaryInteger>(_ other: Size<O>) {
self.init(T(other.w), T(other.h))
}
init<O: BinaryFloatingPoint>(_ other: Size<O>) {
self.init(T(other.w), T(other.h))
}
}
extension Size where T: BinaryFloatingPoint {
init<O: BinaryInteger>(_ other: Size<O>) {
self.init(T(other.w), T(other.h))
}
init<O: BinaryFloatingPoint>(_ other: Size<O>) {
self.init(T(other.w), T(other.h))
}
@inline(__always) public static func / (lhs: Self, rhs: Self) -> Self { .init(lhs.w / rhs.w, lhs.h / rhs.h) }
}
extension SIMD2 where Scalar: AdditiveArithmetic {
init(_ size: Size<Scalar>) {
self.init(size.w, size.h)
}
}