// Make an object follow a line among the X axis
    // Notice how the tangents modify the behaviour of the animation
    
    var anim : AnimationCurve = new AnimationCurve();
    function Start() {
        var ks : Keyframe[] = new Keyframe[3];
        ks[0] = Keyframe(0, 0);
        ks[0].inTangent = 0;
        ks[1] = Keyframe(4, 0);
        ks[1].inTangent = 45;
        ks[2] = Keyframe(8, 0);
        ks[2].inTangent = 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 {
    public AnimationCurve anim = new AnimationCurve();
    void Start() {
        Keyframe[] ks = new Keyframe[3];
        ks[0] = new Keyframe(0, 0);
        ks[0].inTangent = 0;
        ks[1] = new Keyframe(4, 0);
        ks[1].inTangent = 45;
        ks[2] = new Keyframe(8, 0);
        ks[2].inTangent = 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):

    public anim as AnimationCurve = AnimationCurve()

    def Start():
        ks as (Keyframe) = array[of Keyframe](3)
        ks[0] = Keyframe(0, 0)
        ks[0].inTangent = 0
        ks[1] = Keyframe(4, 0)
        ks[1].inTangent = 45
        ks[2] = Keyframe(8, 0)
        ks[2].inTangent = 90
        anim = AnimationCurve(*ks)

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