Spring26-Day28-BehaviorTrees/gameShooter.html at main · CS2510/Spring26-Day28-BehaviorTrees · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
<!-- Please carefully review the rules about academic integrity found in the academicIntegrity.md file found at the root of this project. -->

<!doctype html>
<html>

<head>
  <title>Game Shooter</title>
  <style>
    /* Engine-Specific */
    * {
      margin: 0;
      overflow: hidden;
    }
  </style>
</head>

<body>
  <canvas id="canv"></canvas>
  <script src="./engine/Engine.js"></script>
  <script src="./engine/Scene.js"></script>
  <script src="./engine/GameObject.js"></script>
  <script src="./engine/Component.js"></script>
  <script src="./engine/Input.js"></script>
  <script src="./engine/Vector2.js"></script>
  <script src="./engine/Time.js"></script>
  <script src="./engine/Collisions.js"></script>
  <script src="./engine/SceneManager.js"></script>
  <script src="./engine/Mathf.js"></script>
  <script src="./engine/BehaviorTree.js"></script>

  <script src="./engine/components/Transform.js"></script>
  <script src="./engine/components/TextLabel.js"></script>
  <script src="./engine/components/Polygon.js"></script>
  <script src="./engine/components/Collider.js"></script>
  <script src="./engine/components/RigidBody.js"></script>
  <script src="./engine/components/Camera.js"></script>


  <script>

    const square = [new Vector2(-10, -10), new Vector2(-10, 10), new Vector2(0, 0), new Vector2(10, 10), new Vector2(10, -10), new Vector2(5, -5), new Vector2(0, -10), new Vector2(-5, -5)]
    const spaceShip = [new Vector2(-8, -5), new Vector2(-10, 10), new Vector2(-6, 6), new Vector2(0, 8), new Vector2(6, 6), new Vector2(10, 10), new Vector2(8, -5), new Vector2(0, -18)]
    const laser = [new Vector2(-1, -3), new Vector2(1, -3), new Vector2(1, 3), new Vector2(-1, 3)]
    const star = [new Vector2(-1, 0), new Vector2(0, 1), new Vector2(1, 0), new Vector2(0, -1)]

    class MainScene extends Scene {
      constructor() {
        super("#333")
        this.instantiate(new HeroGameObject(), new Vector2(0, 0))

        const controller = this.instantiate(new GameObject("Empty Controller"))
        controller.addComponent(new Controller())
      }
    }


    //Game Objects

    class EnemyGameObject extends GameObject {
      constructor() {
        super("Enemy Game Object", { layer: "foreground" })
        this.addComponent(new Polygon(), { points: square, fillStyle: "blue" })
        this.addComponent(new Collider())
        this.addComponent(new RigidBody())
        this.addComponent(new EnemyController())
      }
    }

    class HeroLaserGameObject extends GameObject {
      constructor() {
        super("Hero Laser Game Object", { layer: "foreground" })
        this.addComponent(new Polygon(), { points: laser, fillStyle: "yellow" })
        this.addComponent(new Collider(), { isTrigger: true })
        this.addComponent(new HeroLaserGameController())
      }
    }

    class EnemyLaserGameObject extends GameObject {
      constructor() {
        super("Enemy Laser Game Object", { layer: "foreground" })
        this.addComponent(new Polygon(), { points: laser, fillStyle: "lightblue" })
        this.addComponent(new Collider(), { isTrigger: true })
        this.addComponent(new EnemyLaserController())
      }
    }


    class HeroGameObject extends GameObject {
      constructor() {
        super("Hero Game Object", { layer: "foreground" })
        this.addComponent(new Polygon(), { points: spaceShip, fillStyle: "red" })
        this.addComponent(new Collider())
        this.addComponent(new RigidBody())
        this.addComponent(new HeroController())
      }
    }

    class StarGameObject extends GameObject {
      constructor() {
        super("Star Game Object", { layer: "default" })
        this.addComponent(new Polygon(), { points: star, fillStyle: "white" })
        this.addComponent(new StarController())
      }
    }


    //Controllers

    class StarController extends Component {
      speed = 50
      start() {
        this.speed = Math.random() * 20 + 30
      }
      update() {
        this.transform.position.plusEquals(new Vector2(0, Time.deltaTime * this.speed))
        if (this.transform.position.y > 200)
          this.gameObject.destroy()
      }
    }

    class HeroLaserGameController extends Component {
      update() {
        this.transform.position.plusEquals(new Vector2(0, Time.deltaTime * - 300))
        if (this.transform.position.y < -300)
          this.gameObject.destroy()
      }
      onTriggerEnter(other, mtv) {
        if (other.name == "Enemy Game Object") {
          other.destroy()
        }
      }
    }

    class EnemyLaserController extends Component {
      update() {
        this.transform.position.plusEquals(new Vector2(0, Time.deltaTime * 100))
        if (this.transform.position.y > 100)
          this.gameObject.destroy()
      }
      onTriggerEnter(other, mtv) {
        if (other.name == "Hero Game Object") {
          SceneManager.loadScene(MainScene)
        }
      }
    }


    class Controller extends Component {
      nextEnemy = Time.time
      enemyInterval = 2
      nextStar = Time.time
      starInterval = .1

      start() {
        //Prepopulate Stars
        for (let i = 0; i < 200; i++) {
          instantiate(new StarGameObject(), new Vector2((Math.random() * 2 - 1) * 400, (Math.random() * 2 - 1) * 400))
        }
      }
      update() {
        if (Time.time > this.nextEnemy) {
          this.nextEnemy = Time.time + this.enemyInterval
          instantiate(new EnemyGameObject, new Vector2((Math.random() * 2 - 1) * 300, -200))
        }
        if (Time.time > this.nextStar) {
          this.nextStar = Time.time + this.starInterval
          instantiate(new StarGameObject(), new Vector2((Math.random() * 2 - 1) * 400, -300))
        }
      }
    }

    class Fire {
      update(gameObject) {
        instantiate(new EnemyLaserGameObject, gameObject.transform.position.clone())
        return BehaviorTree.SUCCEEDED
      }
      reset() {

      }
    }

    class EnemyController extends Component {
      directionRight = true
      nextDirectionSwitch = Time.time
      directionSwitchInterval = 1
      speed = 15

      behavior = new Parallel(
        [
          new Sequence([new Fire(), new Wait(3)]),
          new Sequence([new Move(1, new Vector2(15, 0)), new Move(1, new Vector2(-15, 0))])
        ]
      )
      update() {
        this.behavior.update(this.gameObject)
      }
    }


    class HeroController extends Component {
      speed = 200
      nextFire = Time.time
      fireInterval = .25
      start() {
        Camera.main.transform.position = new Vector2(0, -100)


      }
      update() {
        if (Time.time > this.nextFire) {
          this.nextFire = Time.time + this.fireInterval
          instantiate(new HeroLaserGameObject, this.transform.position.clone().add(new Vector2(-6, -10)))
          instantiate(new HeroLaserGameObject, this.transform.position.clone().add(new Vector2(6, -10)))
        }
      }
      fixedUpdate() {
        let offset = new Vector2(0, 0)

        if (Input.keysDown.includes("ArrowRight")) offset = offset.add(new Vector2(1, 0))
        if (Input.keysDown.includes("ArrowLeft")) offset = offset.add(new Vector2(-1, 0))
        if (Input.keysDown.includes("ArrowUp")) offset = offset.add(new Vector2(0, -1))
        if (Input.keysDown.includes("ArrowDown")) offset = offset.add(new Vector2(0, 1))

        let c = offset
        let a = c.normalized()
        let b = offset.times(Time.deltaTime * this.speed)

        this.transform.position = this.transform.position.add(b)


      }
    }

    SceneManager.currentScene = new MainScene()
    Engine.start({ aspectRatio: 2, cameraWidth: 750, layers: ["foreground"] })
  </script>
</body>

</html>