Luna::hermite

Float2 hermite(const Float2 &v1, const Float2 &t1, const Float2 &v2, const Float2 &t2, f32 t)

Performs Hermite spline interpolation.

This function performs the following operations:

[Float2](struct_luna_1_1_float2.md) result;
[f32](group___runtime_base_type_1gad34d88453d37b65a09797bad37f2f527.md) t2 = t * t;
[f32](group___runtime_base_type_1gad34d88453d37b65a09797bad37f2f527.md) t3 = t2 * t;
return  v1 * (2 * t3 - 3 * t2 + 1) +
        t1 * (t3 - 2 * t2 + t) +
        v3 * (-2 * t3 + 3 * t2) +
        t2 * (t3 - t2);

Parameters

• in v1

  The first point of the curve.

• in t1

  The first tangent of the curve.

• in v2

  The second point of the curve.

• in t2

  The second tangent of the curve.

• in t

  The interpolation weight.

Return value

Returns the interpolation result.