java版JBox2D文档详解.doc
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2023-02-01
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10.2 2D 的王者 JBox2D ....................................................................................................................4
10.2.1 基本的物理学概念.......................................................................................................4
10.2.2 JBox2D 中常用类的介绍（1） .....................................................................................6
1．Vec2 类（二维向量）................................................................................................6
2．AABB 包围盒...............................................................................................................8
10.2.2 JBox2D 中常用类的介绍（2） .....................................................................................9
3．BodyDef 类（刚体描述）..........................................................................................9
4．World 类（世界）....................................................................................................10
5．ShapeDef 类（形状描述） ......................................................................................11
10.2.2 JBox2D 中常用类的介绍（3） ...................................................................................11
6．CircleDef 类（圆形描述） .......................................................................................12
7．PolygonDef 类（多边形描述） ...............................................................................12
8．Body 类（刚体） .....................................................................................................13
10.3 球体撞击木块金字塔案例....................................................................................................14
10.3.1 案例运行效果 ............................................................................................................15
10.3.2 案例的基本框架结构.................................................................................................16
10.3.3 常量类--Constant .......................................................................................................18
10.3.4 抽象类--MyBody.........................................................................................................18
10.3.5 圆形刚体类--MyCircleColor .......................................................................................19
10.3.6 生成刚体形状的工具类--Box2DUtil ..........................................................................20
10.3.7 颜色工具类--ColorUtil................................................................................................23
10.3.8 主控制类--MyBox2dActivity（1）.............................................................................24
10.3.8 主控制类--MyBox2dActivity（2）.............................................................................26
10.3.9 显示界面类--GameView ............................................................................................28
10.3.10 绘制线程类--DrawThread ........................................................................................30
10.4 简易打砖块案例 ...................................................................................................................31
10.4.1 一般碰撞版（1） ......................................................................................................31
1．案例运行效果...........................................................................................................31
10.4.1 一般碰撞版（2） ......................................................................................................33
2．主控制类--MyBox2dActivity.....................................................................................33
10.4.2 碰撞后消失版（1）...................................................................................................36
1．案例运行效果...........................................................................................................36
2．矩形刚体类--MyRectColor .......................................................................................36
10.4.2 碰撞后消失版（2）...................................................................................................39
3．生成刚体形状工具类--Box2DUtil ............................................................................39
4．刚体查找工具类--BodySearchUtil............................................................................40
10.4.2 碰撞后消失版（3）...................................................................................................41
5．主控制类--MyBox2dActivity.....................................................................................41
10.4.2 碰撞后消失版（4）...................................................................................................44
6．线程类--DrawThread ................................................................................................44
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