Chipmunk Physics 5.3.2

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Get the source while it's hot! (Mac/Win/Linux/iPhone/etc)

Mostly a bug fixing update, but a big one. There are also a number of minor API additions and documentation fixes.

Google Code Project Page
Cheesy promo video: Youtube
Documentation: C API docs/Objective-C API Docs
See some games made with Chipmunk on the wiki.
Demo app binaries: (Mac, Win, iPhone)

  • FIX: Collision begin callbacks were being called continuously for sensors or collisions rejected from the pre-solve callback.
  • FIX: Plugged a nasty memory leak when adding post-step callbacks.
  • FIX: Shapes were being added to the spatial hash using an uninitialized bounding box in some cases.
  • FIX: Perfectly aligned circle shapes now push each other apart.
  • FIX: cpBody setter functions now call cpBodyActivate().
  • FIX: Collision handler targets are released in Objective-Chipmunk when they are no longer needed instead of waiting for the space to be deallocated.
  • API: cpSpaceSegmentQuery() no longer returns a boolean. Use cpSpaceSegmentQueryFirst() instead as it's more efficient.
  • NEW: cpSpaceRehashShape() Rehash an individual shape, active or static.
  • NEW: cpBodySleep() Force a body to fall asleep immediately.
  • NEW: cpConstraintGetImpulse() Return the most recent impulse applied by a constraint.
  • NEW: Added setter functions for the groove joint endpoints.
  • MISC: A number of other minor optimizations and fixes.

Scott Lembcke - Howling Moon Software
Author of Chipmunk Physics - A fast and simple rigid body physics library in C.
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