Archives/learn-wgpu
2
0
Fork 0
mirror of https://github.com/sotrh/learn-wgpu.git synced 2024-11-04 06:00:47 +00:00
Code Issues Packages Projects Releases Wiki Activity

Minor update nits for tutorial 12

Browse Source
This commit is contained in:
Neil Blakey-Milner 2021-11-23 18:56:50 -08:00
parent b0d9ac3245
commit 24f4ccea20
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
docs/intermediate/tutorial12-camera/README.md
View File

@ -18,6 +18,8 @@ pub const OPENGL_TO_WGPU_MATRIX: cgmath::Matrix4<f32> = cgmath::Matrix4::new(
0.0, 0.0, 0.5, 0.0,
0.0, 0.0, 0.5, 1.0,
);
const SAFE_FRAC_PI_2: f32 = FRAC_PI_2 - 0.0001;
```
## The Camera
@ -329,7 +331,7 @@ fn input(&mut self, event: &DeviceEvent) -> bool {
}
) => self.camera_controller.process_keyboard(*key, *state),
DeviceEvent::MouseWheel { delta, .. } => {
self.camera_controller.process_scroll(*delta);
self.camera_controller.process_scroll(delta);
true
}
DeviceEvent::Button {
@ -413,8 +415,8 @@ While we're at it, let's use `dt` for the light's rotation as well.
```rust
self.light_uniform.position =
cgmath::Quaternion::from_axis_angle((0.0, 1.0, 0.0).into(), cgmath::Deg(60.0 * dt.as_secs_f32()))
* old_position; // UPDATED!
(cgmath::Quaternion::from_axis_angle((0.0, 1.0, 0.0).into(), cgmath::Deg(60.0 * dt.as_secs_f32()))
* old_position).into(); // UPDATED!
```
We still need to calculate `dt`. Let's do that in the `main` function.
@ -423,7 +425,7 @@ We still need to calculate `dt`. Let's do that in the `main` function.
fn main() {
// ...
let mut state = pollster::block_on(State::new(&window));
let mut last_render_time = std::time::Instant::now();
let mut last_render_time = std::time::Instant::now(); // NEW!
event_loop.run(move |event, _, control_flow| {
*control_flow = ControlFlow::Poll;
match event {