Add more conversions for translations

Add [T; D] <-> Translation<T, D>
Add Point<T, D> -> Translation<T, D>

src/geometry/translation_conversion.rs

@@ -11,6 +11,7 @@ use crate::geometry::{
     AbstractRotation, Isometry, Similarity, SuperTCategoryOf, TAffine, Transform, Translation,
     Translation3, UnitDualQuaternion, UnitQuaternion,
 };
+use crate::Point;
 
 /*
  * This file provides the following conversions:
@@ -199,6 +200,31 @@ impl<T: Scalar, const D: usize> From<OVector<T, Const<D>>> for Translation<T, D>
     }
 }
 
+impl<T: Scalar, const D: usize> From<[T; D]> for Translation<T, D> {
+    #[inline]
+    fn from(coords: [T; D]) -> Self {
+        Translation {
+            vector: coords.into(),
+        }
+    }
+}
+
+impl<T: Scalar, const D: usize> From<Point<T, D>> for Translation<T, D> {
+    #[inline]
+    fn from(pt: Point<T, D>) -> Self {
+        Translation {
+            vector: pt.coords.into(),
+        }
+    }
+}
+
+impl<T: Scalar, const D: usize> Into<[T; D]> for Translation<T, D> {
+    #[inline]
+    fn into(self) -> [T; D] {
+        self.vector.into()
+    }
+}
+
 impl<T: Scalar + PrimitiveSimdValue, const D: usize> From<[Translation<T::Element, D>; 2]>
     for Translation<T, D>
 where