Christoph Hormann wrote:
>
>I made some more progress with the mechanics simulation patch, here are
>two test animations.
>
>The first uses newly implemented face-mass collision tests (thanks to ABX
>for the triangle distance function, i used a modified version of it for
>this) as well as grouping of masses for optimizing the collision tests
>(the two balls and the nodes of the box are in different groups, only
>collisions between them and not between the individual nodes of the box
>are tested).  The collision test itself is not yet well optimized.  For
>self collision tests of cloth etc. where the nodes have no radius this
>could be much improved.

>The second animation shows a new gradient descent calculation method.
>This means inertia is not taken into account, therefore there is much less
>tendency for instability because oscillations can't occur.  Also there are
>no dissipative forces (friction and damping) so the sheet is sliding on
>the sphere.  All this is of course not physically accurate, but it is much
>faster than methods based on integration of the movement equations and it
>can be useful for example for 'relaxing' a designed geometry before
>starting a real simulation or for generating a static result for a still.

Is hair possible?

=RAY=

Post a reply to this message