Merge pull request #903 from dimforge/glam-conversion-bug

Fix bug in the glam conversion Vec2 -> Isometry2

Author: sebcrozet

src/third_party/glam/common/glam_isometry.rs

@@ -1,5 +1,5 @@
 use super::glam::{DMat3, DMat4, DQuat, DVec2, DVec3, Mat3, Mat4, Quat, Vec2, Vec3};
-use crate::{Isometry2, Isometry3, Matrix3, Matrix4};
+use crate::{Isometry2, Isometry3, Matrix3, Matrix4, Translation3, UnitQuaternion, Vector2};
 use std::convert::TryFrom;
 
 impl From<Isometry2<f32>> for Mat3 {
@@ -102,61 +102,61 @@ impl From<(DVec2, f64)> for Isometry2<f64> {
 
 impl From<Quat> for Isometry3<f32> {
     fn from(rot: Quat) -> Self {
-        Isometry3::from_parts(crate::one(), rot.into())
+        Isometry3::from_parts(Translation3::identity(), rot.into())
     }
 }
 
 impl From<DQuat> for Isometry3<f64> {
     fn from(rot: DQuat) -> Self {
-        Isometry3::from_parts(crate::one(), rot.into())
+        Isometry3::from_parts(Translation3::identity(), rot.into())
     }
 }
 
 impl From<Quat> for Isometry2<f32> {
     fn from(rot: Quat) -> Self {
-        Isometry2::new(crate::zero(), rot.to_axis_angle().1)
+        Isometry2::new(Vector2::zeros(), rot.to_axis_angle().1)
     }
 }
 
 impl From<DQuat> for Isometry2<f64> {
     fn from(rot: DQuat) -> Self {
-        Isometry2::new(crate::zero(), rot.to_axis_angle().1)
+        Isometry2::new(Vector2::zeros(), rot.to_axis_angle().1)
     }
 }
 
 impl From<Vec3> for Isometry3<f32> {
     fn from(tra: Vec3) -> Self {
-        Isometry3::from_parts(tra.into(), crate::one())
+        Isometry3::from_parts(tra.into(), UnitQuaternion::identity())
     }
 }
 
 impl From<DVec3> for Isometry3<f64> {
     fn from(tra: DVec3) -> Self {
-        Isometry3::from_parts(tra.into(), crate::one())
+        Isometry3::from_parts(tra.into(), UnitQuaternion::identity())
     }
 }
 
 impl From<Vec2> for Isometry2<f32> {
     fn from(tra: Vec2) -> Self {
-        Isometry2::new(tra.into(), crate::one())
+        Isometry2::new(tra.into(), 0.0)
     }
 }
 
 impl From<DVec2> for Isometry2<f64> {
     fn from(tra: DVec2) -> Self {
-        Isometry2::new(tra.into(), crate::one())
+        Isometry2::new(tra.into(), 0.0)
     }
 }
 
 impl From<Vec3> for Isometry2<f32> {
     fn from(tra: Vec3) -> Self {
-        Isometry2::new([tra.x, tra.y].into(), crate::one())
+        Isometry2::new([tra.x, tra.y].into(), 0.0)
     }
 }
 
 impl From<DVec3> for Isometry2<f64> {
     fn from(tra: DVec3) -> Self {
-        Isometry2::new([tra.x, tra.y].into(), crate::one())
+        Isometry2::new([tra.x, tra.y].into(), 0.0)
     }
 }