// 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)