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Diffstat (limited to 'components/script/dom/xrray.rs')
| -rw-r--r-- | components/script/dom/xrray.rs | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/components/script/dom/xrray.rs b/components/script/dom/xrray.rs deleted file mode 100644 index d80a4c00d61..00000000000 --- a/components/script/dom/xrray.rs +++ /dev/null @@ -1,174 +0,0 @@ -/* This Source Code Form is subject to the terms of the Mozilla Public - * License, v. 2.0. If a copy of the MPL was not distributed with this - * file, You can obtain one at https://mozilla.org/MPL/2.0/. */ - -use dom_struct::dom_struct; -use euclid::{Angle, RigidTransform3D, Rotation3D, Vector3D}; -use js::rust::HandleObject; -use js::typedarray::{Float32, Float32Array}; -use webxr_api::{ApiSpace, Ray}; - -use super::bindings::buffer_source::HeapBufferSource; -use crate::dom::bindings::codegen::Bindings::DOMPointBinding::DOMPointInit; -use crate::dom::bindings::codegen::Bindings::XRRayBinding::{XRRayDirectionInit, XRRayMethods}; -use crate::dom::bindings::error::{Error, Fallible}; -use crate::dom::bindings::reflector::{reflect_dom_object_with_proto, DomObject, Reflector}; -use crate::dom::bindings::root::DomRoot; -use crate::dom::dompointreadonly::DOMPointReadOnly; -use crate::dom::globalscope::GlobalScope; -use crate::dom::window::Window; -use crate::dom::xrrigidtransform::XRRigidTransform; -use crate::script_runtime::{CanGc, JSContext}; - -#[dom_struct] -pub struct XRRay { - reflector_: Reflector, - #[ignore_malloc_size_of = "defined in webxr"] - #[no_trace] - ray: Ray<ApiSpace>, - #[ignore_malloc_size_of = "defined in mozjs"] - matrix: HeapBufferSource<Float32>, -} - -impl XRRay { - fn new_inherited(ray: Ray<ApiSpace>) -> XRRay { - XRRay { - reflector_: Reflector::new(), - ray, - matrix: HeapBufferSource::default(), - } - } - - fn new( - global: &GlobalScope, - proto: Option<HandleObject>, - ray: Ray<ApiSpace>, - can_gc: CanGc, - ) -> DomRoot<XRRay> { - reflect_dom_object_with_proto(Box::new(XRRay::new_inherited(ray)), global, proto, can_gc) - } - - pub fn ray(&self) -> Ray<ApiSpace> { - self.ray - } -} - -impl XRRayMethods<crate::DomTypeHolder> for XRRay { - /// <https://immersive-web.github.io/hit-test/#dom-xrray-xrray> - fn Constructor( - window: &Window, - proto: Option<HandleObject>, - can_gc: CanGc, - origin: &DOMPointInit, - direction: &XRRayDirectionInit, - ) -> Fallible<DomRoot<Self>> { - if origin.w != 1.0 { - return Err(Error::Type("Origin w coordinate must be 1".into())); - } - if *direction.w != 0.0 { - return Err(Error::Type("Direction w coordinate must be 0".into())); - } - if *direction.x == 0.0 && *direction.y == 0.0 && *direction.z == 0.0 { - return Err(Error::Type( - "Direction vector cannot have zero length".into(), - )); - } - - let origin = Vector3D::new(origin.x as f32, origin.y as f32, origin.z as f32); - let direction = Vector3D::new( - *direction.x as f32, - *direction.y as f32, - *direction.z as f32, - ) - .normalize(); - - Ok(Self::new( - &window.global(), - proto, - Ray { origin, direction }, - can_gc, - )) - } - - /// <https://immersive-web.github.io/hit-test/#dom-xrray-xrray-transform> - fn Constructor_( - window: &Window, - proto: Option<HandleObject>, - can_gc: CanGc, - transform: &XRRigidTransform, - ) -> Fallible<DomRoot<Self>> { - let transform = transform.transform(); - let origin = transform.translation; - let direction = transform - .rotation - .transform_vector3d(Vector3D::new(0., 0., -1.)); - - Ok(Self::new( - &window.global(), - proto, - Ray { origin, direction }, - can_gc, - )) - } - - /// <https://immersive-web.github.io/hit-test/#dom-xrray-origin> - fn Origin(&self, can_gc: CanGc) -> DomRoot<DOMPointReadOnly> { - DOMPointReadOnly::new( - &self.global(), - self.ray.origin.x as f64, - self.ray.origin.y as f64, - self.ray.origin.z as f64, - 1., - can_gc, - ) - } - - /// <https://immersive-web.github.io/hit-test/#dom-xrray-direction> - fn Direction(&self, can_gc: CanGc) -> DomRoot<DOMPointReadOnly> { - DOMPointReadOnly::new( - &self.global(), - self.ray.direction.x as f64, - self.ray.direction.y as f64, - self.ray.direction.z as f64, - 0., - can_gc, - ) - } - - /// <https://immersive-web.github.io/hit-test/#dom-xrray-matrix> - fn Matrix(&self, _cx: JSContext) -> Float32Array { - // https://immersive-web.github.io/hit-test/#xrray-obtain-the-matrix - if !self.matrix.is_initialized() { - // Step 1 - let z = Vector3D::new(0., 0., -1.); - // Step 2 - let axis = z.cross(self.ray.direction); - // Step 3 - let cos_angle = z.dot(self.ray.direction); - // Step 4 - let rotation = if cos_angle > -1. && cos_angle < 1. { - Rotation3D::around_axis(axis, Angle::radians(cos_angle.acos())) - } else if cos_angle == -1. { - let axis = Vector3D::new(1., 0., 0.); - Rotation3D::around_axis(axis, Angle::radians(cos_angle.acos())) - } else { - Rotation3D::identity() - }; - // Step 5 - let translation = self.ray.origin; - // Step 6 - // According to the spec all matrices are column-major, - // however euclid uses row vectors so we use .to_array() - let arr = RigidTransform3D::new(rotation, translation) - .to_transform() - .to_array(); - self.matrix - .set_data(_cx, &arr) - .expect("Failed to set matrix data on XRRAy.") - } - - self.matrix - .get_buffer() - .expect("Failed to get matrix from XRRay.") - } -} |