Sets whether sleeping is allowed. Allowing sleep can improve stability and performance, but it usually comes at the cost of accuracy.The default is false.
Zh
设置是否允许休眠。允许休眠可以提高稳定性和性能，但通常会牺牲准确性。默认为否。
静态customUpdate
customUpdate:boolean = false
En
Indicates whether the update is performed externally.The default is false.
Zh
表示更新是否由外部执行。默认为否。
静态debugDraw
debugDraw:boolean = true
En
Whether to enable physics drawing.The default is true.
Zh
是否开启物理绘制。默认为是。
静态drawAABB
drawAABB:boolean = false
En
Whether to draw the Bounding Box.The default is false.
Zh
是否绘制包围盒。默认为否。
静态drawCenterOfMass
drawCenterOfMass:boolean = false
En
Whether to draw the center of mass.The default is false.
Zh
是否绘制质心。默认为否。
静态drawJoint
drawJoint:boolean = true
En
Whether to draw joints.The default is true.
Zh
是否绘制关节。默认为是。
静态drawShape
drawShape:boolean = true
En
Whether to draw shapes.The default is true.
Zh
是否绘制形状。默认为是。
静态gravity
gravity:{x:number;y:number} = ...
En
Gravity acceleration, with a default value of 9.8, corresponding to 9.8 meters per second squared (m/s²) in the real world.
Zh
重力加速度，默认的重力加速度值为 9.8，对应于现实世界中的 9.8米/秒²（m/s²） 。
静态pixelRatio
pixelRatio:number = 50
En
The conversion ratio between rendering pixels and physical units. By default, 1 length unit in the physics engine corresponds to 50 pixels. Modifying this value changes the number of pixels that correspond to 1 length unit in the physics engine.
En
Physics2DOption is used to configure default parameters for 2D physics
Zh
Physics2DOption 用于配置2D物理的默认参数