diff --git a/examples/perlin.rs b/examples/perlin.rs
index fb6167d2..ff9b61c7 100644
--- a/examples/perlin.rs
+++ b/examples/perlin.rs
@@ -13,7 +13,7 @@ mod utils;
 fn main() {
     let hasher = PermutationTable::new(0);
     utils::write_example_to_file(
-        &PlaneMapBuilder::new_fn(|point| perlin_2d(point, &hasher))
+        &PlaneMapBuilder::new_fn(|point| perlin_2d(point.into(), &hasher))
             .set_size(1024, 1024)
             .set_x_bounds(-5.0, 5.0)
             .set_y_bounds(-5.0, 5.0)
@@ -22,7 +22,7 @@ fn main() {
     );
 
     utils::write_example_to_file(
-        &PlaneMapBuilder::new_fn(|point| perlin_3d(point, &hasher))
+        &PlaneMapBuilder::new_fn(|point| perlin_3d(point.into(), &hasher))
             .set_size(1024, 1024)
             .set_x_bounds(-5.0, 5.0)
             .set_y_bounds(-5.0, 5.0)
@@ -31,7 +31,7 @@ fn main() {
     );
 
     utils::write_example_to_file(
-        &PlaneMapBuilder::new_fn(|point| perlin_4d(point, &hasher))
+        &PlaneMapBuilder::new_fn(|point| perlin_4d(point.into(), &hasher))
             .set_size(1024, 1024)
             .set_x_bounds(-5.0, 5.0)
             .set_y_bounds(-5.0, 5.0)
diff --git a/src/core/perlin.rs b/src/core/perlin.rs
index a0e4a8f8..e6c0a5b1 100644
--- a/src/core/perlin.rs
+++ b/src/core/perlin.rs
@@ -50,7 +50,7 @@ where
 }
 
 #[inline(always)]
-pub fn perlin_2d<NH>(point: [f64; 2], hasher: &NH) -> f64
+pub fn perlin_2d<NH>(point: Vector2<f64>, hasher: &NH) -> f64
 where
     NH: NoiseHasher + ?Sized,
 {
@@ -61,8 +61,6 @@ where
     // 1/(sqrt(N)/2), N=2 -> 2/sqrt(2)
     const SCALE_FACTOR: f64 = 2.0 / f64::consts::SQRT_2;
 
-    let point = Vector2::from(point);
-
     let corner = point.floor_to_isize();
     let distance = point - corner.numcast().unwrap();
 
@@ -101,7 +99,7 @@ where
 }
 
 #[inline(always)]
-pub fn perlin_3d<NH>(point: [f64; 3], hasher: &NH) -> f64
+pub fn perlin_3d<NH>(point: Vector3<f64>, hasher: &NH) -> f64
 where
     NH: NoiseHasher + ?Sized,
 {
@@ -115,7 +113,6 @@ where
     // 2/sqrt(3) = 1.1547005383792515290182975610039149112952035025402537520372046529
     const SCALE_FACTOR: f64 = 1.154_700_538_379_251_5;
 
-    let point = Vector3::from(point);
     let corner = point.floor_to_isize();
     let distance = point - corner.numcast().unwrap();
 
@@ -174,7 +171,7 @@ where
 }
 
 #[inline(always)]
-pub fn perlin_4d<NH>(point: [f64; 4], hasher: &NH) -> f64
+pub fn perlin_4d<NH>(point: Vector4<f64>, hasher: &NH) -> f64
 where
     NH: NoiseHasher + ?Sized,
 {
@@ -183,8 +180,6 @@ where
     // range of (-1, 1).
     const SCALE_FACTOR: f64 = 1.0; // 1/(sqrt(N)/2), N=4 -> 2/sqrt(4) -> 2/2 -> 1
 
-    let point = Vector4::from(point);
-
     let corner = point.floor_to_isize();
     let distance = point - corner.numcast().unwrap();