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Shooting Ball
Updated on March 2 2013
In Houdini, here are a couple of ways to fire
a ball from one point, fly into the air, and have it land in at a
given point. These are both available in the hip file here.
The first method is to use a ray sop and a user
defined curve. The arc of the ball depends on the initial
velocity.
The second method is a simplified mathematical relationship
described here.
Ray sop
and user defined curve
The node network appears as follows:
The ray sop allows you to sample the curve in a similar way to a
path follow, however you are now progressing in x in equal
increments (such as $FF). For example, the expressions in the
transform node are:
The ray sop settings are as follows: