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public static method Slerp(a: Vector3, b: Vector3, t: float): Vector3;
public static Vector3 Slerp(Vector3 a, Vector3 b, float t);


Spherically interpolates between two vectors.

Interpolates between a and b by amount t. The difference between this and linear interpolation (aka, "lerp") is that the vectors are treated as directions rather than points in space. The direction of the returned vector is interpolated by the angle and its magnitude is interpolated between the magnitudes of from and to.

The parameter t is clamped to the range [0, 1].

    // Animates the position in an arc between sunrise and sunset.

var sunrise : Transform; var sunset : Transform;

// Time to move from sunrise to sunset position, in seconds. var journeyTime = 1.0;

// The time at which the animation started. private var startTime: float;

function Start() { // Note the time at the start of the animation. startTime = Time.time; }

function Update () { // The center of the arc var center = (sunrise.position + sunset.position) * 0.5; // move the center a bit downwards to make the arc vertical center -= Vector3(0,1,0);

// Interpolate over the arc relative to center var riseRelCenter = sunrise.position - center; var setRelCenter = sunset.position - center;

// The fraction of the animation that has happened so far is // equal to the elapsed time divided by the desired time for // the total journey. var fracComplete = (Time.time - startTime) / journeyTime; transform.position = Vector3.Slerp(riseRelCenter, setRelCenter, fracComplete); transform.position += center; }
no example available in C#

See Also: Lerp, SlerpUnclamped.

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