[upstream] Kinematic perf (erincatto/box2d#970) #47
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Kinematic perf (erincatto/box2d#970) - b2Shape_SetMaterial -> b2Shape_SetUserMaterial - Reworked surface material access on chain shapes - Removed mouse joint. Functionality is now covered by the motor joint. - Added b2DynamicTree_QueryAll to support debug draw for shapes that don't collide - The user material id is now a 64 bits - Fixed crash when samples app is minimized - Added kinematic washer sample - Fix erincatto/box2d#967 - #968 - draw shapes with 0 category bits and draw sleeping contacts - Kinematic bodies no longer enter graph coloring - The joint and contact solvers no longer write the state of kinematic bodies - Large kinematic bodies touching many dynamic bodies now has better multithreaded scaling - Joints between two non-dynamic bodies no longer simulate - Minor island splitting optimization suggested by Dirk, use the island id instead of a bool mark - Joints now have a constraint damping ratio of 2.0 instead of 0. Intended to reduce overshoot when limits are violated. - Restored island debug draw
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Kinematic perf (erincatto/box2d#970)