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RocketSim v2.1.0
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@ZealanL ZealanL released this 09 May 19:21
· 25 commits to main since this release
v2.1.0
eb4eef3

This is a major update for optimization, with many other small improvements.
RocketSim is now around 2x faster in general.

Changelog:

  • Faster Custom Broadphase Implemented:
    • A new custom broadphase collision system using a fixed-size spatial division grid, written for RocketSim specifically, which massively out-performs the previous stock dynamic bounding volume tree broadphase in BulletPhysics. This deprecates the suspension collision grid, which has been disabled at compile time.
  • AABB Caching For All Objects:
    • Added AABB caching for all BulletPhysics objects, massively accelerating frequent AABB checks.
  • Fixed Suspension Tracing Against Own Hitbox:
    • Fixed a silly issue where rays from suspension were often being checked against the hitbox of the car from which they were casting.
  • Sphere Orientation Updates Disabled (By Default):
    • By default, the ball will not update its orientation (if it is a sphere), because updating the rotation matrix from angular velocity is expensive.
  • Added ArenaConfig:
    • A new structure for configuring arenas at creation only, seperate from MutatorConfig
  • Various Other Performance Improvements:
    • Various aspects of the simulation, particularly within BulletPhysics, have been heavily optimized and improved.
  • Added Useful CarState Fields and Functions:
    • A few useful helper functions and state variables have been added to CarState; wheelsWithContact(array), airTime, HasFlipReset(), HasFlipOrJump(), and GotFlipReset().
  • Added PhysState Base Type:
    • CarState and BallState now both extend from a common PhysState struct, with some additional utility functions such as PhysState.GetInvertedY().
  • All RocketSim types are now within the RocketSim namespace (can be disabled at compile time)
  • Fixed GameEventTracker calling null callbacks
  • Fixed boost pad update issues in hoops
  • Fixed demoed cars updating the suspension collision grid
  • Fixed demoed cars adding extra hit force to the ball
  • Physics rounding removed (did not help with accuracy and only worsened performance)
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