Interface for physics material.

物理材质的接口。

interface IPhysicsMaterial {
    destroy(): void;
    setBounceCombine(value: number): void;
    setBounciness(value: number): void;
    setDynamicFriction(value: number): void;
    setFrictionCombine(value: number): void;
    setStaticFriction(value: number): void;
}

方法