Add OPoint::lerp
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@ -1,6 +1,7 @@
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use crate::storage::Storage;
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use crate::storage::Storage;
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use crate::{
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use crate::{
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Allocator, DefaultAllocator, Dim, OVector, One, RealField, Scalar, Unit, Vector, Zero,
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Allocator, DefaultAllocator, Dim, DimName, OPoint, OVector, One, RealField, Scalar, Unit,
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Vector, Zero,
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};
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};
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use simba::scalar::{ClosedAdd, ClosedMul, ClosedSub};
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use simba::scalar::{ClosedAdd, ClosedMul, ClosedSub};
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@ -58,6 +59,30 @@ impl<T: Scalar + Zero + One + ClosedAdd + ClosedSub + ClosedMul, D: Dim, S: Stor
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}
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}
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}
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}
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impl<T: Scalar + Zero + One + ClosedAdd + ClosedSub + ClosedMul, D: DimName> OPoint<T, D>
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where
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DefaultAllocator: Allocator<T, D>,
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{
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/// Returns `self * (1.0 - t) + rhs.coords * t`, i.e., the linear blend of the points x and y using the scalar value a.
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///
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/// The value for a is not restricted to the range `[0, 1]`.
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///
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/// # Examples:
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///
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/// ```
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/// # use nalgebra::Point3;
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/// let x = Point3::new(1.0, 2.0, 3.0);
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/// let y = Point3::new(10.0, 20.0, 30.0);
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/// assert_eq!(x.lerp(&y, 0.1), Point3::new(1.9, 3.8, 5.7));
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/// ```
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#[must_use]
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pub fn lerp(&self, rhs: &OPoint<T, D>, t: T) -> OPoint<T, D> {
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OPoint {
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coords: self.coords.lerp(&rhs.coords, t),
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}
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}
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}
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/// # Interpolation between two unit vectors
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/// # Interpolation between two unit vectors
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impl<T: RealField, D: Dim, S: Storage<T, D>> Unit<Vector<T, D, S>> {
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impl<T: RealField, D: Dim, S: Storage<T, D>> Unit<Vector<T, D, S>> {
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/// Computes the spherical linear interpolation between two unit vectors.
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/// Computes the spherical linear interpolation between two unit vectors.
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