// Make an object follow a line among the X axis
// Notice how the tangents modify the behaviour of the animation

private var ks : Keyframe[] = new Keyframe[3];
private var anim : AnimationCurve ;

function Start() {
    ks[0] = Keyframe(0, 0);
    ks[0].outTangent = 0;
    ks[1] = Keyframe(4, 0);
    ks[1].outTangent = 45;
    ks[2] = Keyframe(8, 0);
    ks[2].outTangent = 90;
    anim = AnimationCurve(ks);
}

function Update() {
    transform.position = Vector3(Time.time,anim.Evaluate(Time.time),0); 
}

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
    private Keyframe[] ks = new Keyframe[3];
    private AnimationCurve anim;
    void Start() {
        ks[0] = new Keyframe(0, 0);
        ks[0].outTangent = 0;
        ks[1] = new Keyframe(4, 0);
        ks[1].outTangent = 45;
        ks[2] = new Keyframe(8, 0);
        ks[2].outTangent = 90;
        anim = new AnimationCurve(ks);
    }
    void Update() {
        transform.position = new Vector3(Time.time, anim.Evaluate(Time.time), 0);
    }
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

    private ks as (Keyframe) = array[of Keyframe](3)

    private anim as AnimationCurve

    def Start():
        ks[0] = Keyframe(0, 0)
        ks[0].outTangent = 0
        ks[1] = Keyframe(4, 0)
        ks[1].outTangent = 45
        ks[2] = Keyframe(8, 0)
        ks[2].outTangent = 90
        anim = AnimationCurve(*ks)

    def Update():
        transform.position = Vector3(Time.time, anim.Evaluate(Time.time), 0)