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swift: Add clarifying self's to lesson09

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a dinosaur
2025-06-14 19:25:58 +10:00
parent fb3b3e7811
commit 3d9b17d18b
1 changed files with 7 additions and 7 deletions
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14
src/swift/Lesson9/lesson9.swift
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@@ -219,12 +219,12 @@ struct Lesson9: AppDelegate
var instanceIDX = 0
for (starIDX, star) in self.stars.enumerated()
{
var model = matrix_float4x4.translation(.init(0.0, 0.0, zoom))
model.rotate(angle: tilt, axis: .init(1.0, 0.0, 0.0))
var model = matrix_float4x4.translation(.init(0.0, 0.0, self.zoom))
model.rotate(angle: self.tilt, axis: .init(1.0, 0.0, 0.0))
model.rotate(angle: star.angle, axis: .init(0.0, 1.0, 0.0))
model.translate(.init(star.distance, 0.0, 0.0))
model.rotate(angle: -star.angle, axis: .init(0.0, 1.0, 0.0))
model.rotate(angle: -tilt, axis: .init(1.0, 0.0, 0.0))
model.rotate(angle: -self.tilt, axis: .init(1.0, 0.0, 0.0))
if self.twinkle
{
@@ -301,10 +301,10 @@ struct Lesson9: AppDelegate
let keys = SDL_GetKeyboardState(nil)!
if keys[Int(SDL_SCANCODE_UP.rawValue)] { tilt -= 0.5 }
if keys[Int(SDL_SCANCODE_DOWN.rawValue)] { tilt += 0.5 }
if keys[Int(SDL_SCANCODE_PAGEUP.rawValue)] { zoom -= 0.2 }
if keys[Int(SDL_SCANCODE_PAGEDOWN.rawValue)] { zoom += 0.2 }
if keys[Int(SDL_SCANCODE_UP.rawValue)] { self.tilt -= 0.5 }
if keys[Int(SDL_SCANCODE_DOWN.rawValue)] { self.tilt += 0.5 }
if keys[Int(SDL_SCANCODE_PAGEUP.rawValue)] { self.zoom -= 0.2 }
if keys[Int(SDL_SCANCODE_PAGEDOWN.rawValue)] { self.zoom += 0.2 }
}
mutating func key(ctx: inout NeHeContext, key: SDL_Keycode, down: Bool, repeat: Bool)