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                            2D物理材質(Physics Material 2D)用于調整2D物理對象碰撞時這些對象之間的摩擦和彈性。
創建：
project窗口 > Assets菜單(Assets > Create > Physics Material 2D)創建2D物理材質。

![](https://img.kancloud.cn/98/ed/98ed51e3d95beb68b2aa31dce77029da_953x114.png)
|   屬性：  |   功能： |
| --- | --- |
| Friction     |  此碰撞體的摩擦系數。     |
|Bounciness:|碰撞從表面反彈的程度。值為0表示沒有彈性,而值為1表示完美彈性,沒有能量損失。|


                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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