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omg: curved screens

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This commit is contained in:
galister
2024-03-21 21:04:20 +01:00
parent 82374a60a0
commit 155f653f32
8 changed files with 192 additions and 53 deletions
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16
src/backend/openxr/helpers.rs
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@@ -1,5 +1,5 @@
use anyhow::{bail, ensure};
use glam::{Affine3A, Quat, Vec3};
use glam::{Affine3A, Quat, Vec3, Vec3A};
use openxr as xr;
use xr::OverlaySessionCreateFlagsEXTX;
@@ -139,12 +139,14 @@ fn quat_lerp(a: Quat, mut b: Quat, t: f32) -> Quat {
.normalize()
}
pub(super) fn transform_to_posef(transform: &Affine3A) -> xr::Posef {
let translation = transform.translation;
pub(super) fn transform_to_norm_quat(transform: &Affine3A) -> Quat {
let norm_mat3 = transform
.matrix3
.mul_scalar(1.0 / transform.matrix3.x_axis.length());
let mut rotation = Quat::from_mat3a(&norm_mat3).normalize();
Quat::from_mat3a(&norm_mat3).normalize()
}
pub(super) fn translation_rotation_to_posef(translation: Vec3A, mut rotation: Quat) -> xr::Posef {
if !rotation.is_finite() {
rotation = Quat::IDENTITY;
}
@@ -163,3 +165,9 @@ pub(super) fn transform_to_posef(transform: &Affine3A) -> xr::Posef {
},
}
}
pub(super) fn transform_to_posef(transform: &Affine3A) -> xr::Posef {
let translation = transform.translation;
let rotation = transform_to_norm_quat(transform);
translation_rotation_to_posef(translation, rotation)
}