Allow the physics engine to increase the volume of the input mesh in attempt to generate a valid convex mesh.
The physics engine imposes restrictions on the number of vertices and faces of convex meshes used for collisions. For that reason, the minimum-volume convex mesh automatically generated from the original non-convex mesh may not be suitable for use in physics. In order to address that, the mesh inflation can be used. It effectively extends the source data by a margin of skinWidth and bevels the sharp edges so that the resulting mesh suits physics better.
Note:
Setting this to true can decrease the accuracy of the collision mesh.
Inflating a MeshCollider creates a new instance of the input mesh. This takes additional memory.
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