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- Particle now use the deflector objects collision modifier data to collide with deflectors and as a result can now use the velocity of the colliding object for more realistic collisions.
- Dynamic rotations are also quite a bit more realistic and are related to the friction setting of the deflector (to get any dynamic rotations there has to be some friction). This is largely due to the separate handling of rolling friction (approximated to be 1% of normal sliding friction).
- Collisions should be a bit faster on complex deflectors due to the tree structure used by the collision modifier.
- Collision should also generally be a bit more accurate.
To be noted: Only the average velocity of individual deflector faces is used, so collisions with rotating or deforming objects can't be handled accurately - this would require much more complex calculations. Subdividing the deflector object surface to smaller faces can help with this as the individual face velocities become more linear.
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neighbour, non-recursive now, faster than kdtree.c implementation normaly, divided into 2 sources: generla structure in blenlib, mesh/derivedmesh depending interface stuff in blenkernel
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BLI_kdopbvh (just like kdtree interface now), huge speedup for selfcollisions, also better normal collisions (merge from cloth branch)
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https://svn.blender.org/svnroot/bf-blender/trunk/blender
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system (better + general access to kdop, uses less memory, put it into BLI_* namespace and usage defined like existing BLI_kdtree_*). Deleted old kdop.c
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