unity > ジャンプゲー > Bounciness / Instantiate() / グラフ描画 / Is Kinematic / List<> / Random.Range(A,B);

準備

Sphereを作る
- Rigidbodyをつける
- Mass: 0.001
- Use Gravity: ON
- position > Y: 0

Sphere ColliderにPhysics Materialをつける
- 名前: Bouncy
- Bounciness: 0.9
- Friction Combine: Minimum
- Bounce Combine: Maximum

Cubeを作る (Prefabにするもの)
- enemyという名前にする
- Rigidbodyをつける
- Mass: 1
- Use Gravity: OFF (Sphereとぶつかった時に止まらないように)
- Is Kinematic: ON
- Prefabにする
- deleteする

Planeを作る
- position > Y: -0.5

code

Main Cameraに以下の.csを関連づける

GenerateLR.cs

using UnityEngine;
using System.Collections;
using System.Collections.Generic; // for List<>

public class GenerateLR : MonoBehaviour {

    public GameObject enemyPrefab;
    public Rigidbody PlayerRig;
    private int score = 0;

    // line draw
    private GameObject lineGroup; // for grouping
    private List<Vector2> my2DPoint; // for 2D data
    private float xstep = 0.2f;

    private float accumTime_sec = 0.0f;
    private float enemyTime_sec = 0.0f;
    private GameObject enemyObjPri = null;
    private bool gameEnd = false;

    void DrawLine(List<Vector2> my2DVec, int startPos) {
        List<Vector3> myPoint = new List<Vector3>();
        for(int pos = startPos; pos <= startPos+1; pos++) {
            myPoint.Add(new Vector3(my2DVec[pos].x, my2DVec[pos].y, 0.0f));
        }

        GameObject newLine = new GameObject ("Line" + startPos.ToString() );
        LineRenderer lRend = newLine.AddComponent<LineRenderer> ();
        lRend.SetVertexCount(2);
        lRend.SetWidth (0.1f, 0.1f);
        lRend.SetPosition (0, myPoint[0]); // start
        lRend.SetPosition (1, myPoint[1]); // end

        newLine.transform.parent = lineGroup.transform; // for grouping
    }

    void initData() {
        my2DPoint = new List<Vector2> ();
        for (int idx=0; idx<100; idx++) {
            my2DPoint.Add (new Vector2 (-10 + xstep * idx, Random.Range(0.0f, 5.0f)));
        }
    }

    void updateData() {
        my2DPoint.RemoveAt (0); // remove 1st point

        for (int idx=0; idx < my2DPoint.Count; idx++) { // shift x position 
            Vector2 vec = new Vector2(my2DPoint[idx].x - xstep, my2DPoint[idx].y);
            my2DPoint[idx] = vec;
        }
        if (enemyObjPri != null) {
            Vector3 pos = enemyObjPri.transform.position;
            Vector3 vec = new Vector3(pos.x - xstep, pos.y, pos.z);
            if (vec.x < -5.0) {
                Destroy(enemyObjPri);
            } else {
                enemyObjPri.transform.position = vec;
            }
        }

        int last = my2DPoint.Count;
        float ypos = PlayerRig.transform.position.y / 4.0f; // to [0.0, 5.0]
        if (ypos < -1.0f) {
            gameEnd = true;
        }
        my2DPoint.Add (new Vector2 (-10 + xstep * last, ypos));
    }

    void Start () {
        initData ();
    }

    void OnGUI() {
        Rect rect1 = new Rect (10, 10, 100, 30);
        GUI.TextField (rect1, "score:" + score.ToString());
        if (gameEnd) {
            Rect rect2 = new Rect (10, 40, 100, 30);
            GUI.TextField (rect2, "GAME END");
        }
    }

    void CheckScore() {
        if (enemyObjPri == null) {
            return;
        }
        Vector3 player1 = PlayerRig.transform.position;
        Vector3 enemy1 = enemyObjPri.transform.position;

        if (Mathf.Abs (player1.x - enemy1.x) < 0.5f) {
            float diff = Mathf.Abs (player1.y - enemy1.y);
            score += (int)(100.0f / diff );
        }
    }

    void Update () {
        if (gameEnd) {
            return;
        }

        if (Input.GetKey (KeyCode.UpArrow)) {
            PlayerRig.AddForce(Vector3.up * 0.05f);
        }

        enemyTime_sec += Time.deltaTime;
        if (accumTime_sec < 0.3f) { // each 300 msec
            accumTime_sec += Time.deltaTime;
            return;
        }
        accumTime_sec = 0.0f;

        if (enemyTime_sec > 5.0f && enemyObjPri == null) {
            enemyTime_sec = 0.0f;
            enemyObjPri = Instantiate(enemyPrefab, new Vector3(5.0f, 0.0f, 0.0f), Quaternion.identity) as GameObject;
        }

        CheckScore ();
        updateData ();

        if (lineGroup != null) {
            Destroy(lineGroup);
        }
        lineGroup = new GameObject ("LineGroup");
        for (int idx=0; idx < my2DPoint.Count - 1; idx++) {
            DrawLine (my2DPoint, /* startPos=*/idx);
        }
    }
}

Main Camera > Generate LR (Script)
- Enemy Prefab : enemyを関連付ける
- Player Rig : Sphere(Rigidbody)を関連付ける

遊び方

カーソルキー上: Sphereを上昇させる。
定期的にCubeが右から来る。Cubeに跳ね飛ばされないようにSphereを上昇させる。
Cubeに近い時にCubeとの高さが近いとScoreが大きく加算される。
跳ね飛ばされてPlaneから落ちたらゲームエンド。

公開　

以下で実行できます。(Unity web playerが必要です)
http://unitygameuploader.jpn.org/game/5754.html