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Fix unintended roll of fly cam
ci/woodpecker/push/build Pipeline was successful Details

This commit is contained in:
SeanOMik 2023-10-26 12:17:10 -04:00
parent f3c25b6370
commit 1f534bb1aa
Signed by: SeanOMik
GPG Key ID: 568F326C7EB33ACB
1 changed files with 12 additions and 6 deletions
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18
examples/testbed/src/free_fly_camera.rs
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@ -5,7 +5,7 @@ use lyra_engine::{
ecs::{components::camera::CameraComponent, EventQueue, SimpleSystem},
game::Game,
input::{InputButtons, KeyCode, MouseMotion},
math::{Angle, Quat, Vec3},
math::{Angle, Quat, Vec3, EulerRot},
plugin::Plugin,
};
use tracing::debug;
@ -23,7 +23,7 @@ impl Default for FreeFlyCamera {
Self {
speed: 0.07,
look_speed: 0.01,
mouse_sensitivity: 0.03,
mouse_sensitivity: 0.04,
look_with_keys: false,
}
}
@ -86,7 +86,7 @@ impl SimpleSystem for FreeFlyCameraController {
{
let forward = cam.transform.forward();
let left = cam.transform.left();
let up = cam.transform.up();
let up = Vec3::Y;
// handle camera movement
if let Some(keys) = keys.as_ref() {
@ -130,9 +130,15 @@ impl SimpleSystem for FreeFlyCameraController {
if camera_rot != Vec3::ZERO {
let look_velocity = camera_rot * fly.look_speed;
cam.transform.rotation *= Quat::from_rotation_x(look_velocity.x)
* Quat::from_rotation_y(look_velocity.y)
* Quat::from_rotation_z(look_velocity.z);
let (mut y, mut x, _) = cam.transform.rotation.to_euler(EulerRot::YXZ);
x += look_velocity.x;
y += look_velocity.y;
x = x.clamp(-1.54, 1.54);
// rotation is not commutative, keep this order to avoid unintended roll
cam.transform.rotation = Quat::from_axis_angle(Vec3::Y, y)
* Quat::from_axis_angle(Vec3::X, x);
}
}