Tuesday, 13 September 2011

Day 07

We relocated to the visual effects FYP room today, so I had to rebuild the current system I have.

Everything seemed to be working fine, fine as in, the collisions still don't work right.

I decided to skip away from POPs for awhile and learn something else in the mean time. I used the book, " The Magic Of Houdini" as a guideline to learn a bit about DOPs. I did a few exercises in the DOP chapter. Since the book is based on an older version of Houdini a few nodes are different, but i managed to figure that out.


Beginning exercise

In this exercise I made a simple setup for applying RBD. Made 2 RBD objects, applied gravity and a ground plane. Made them collide with the plane and each other.

                                                                       RBD Exercise



Volume Representation & Constraints

For this exercise I had to firstly play around with the collision guide geometry. It made me remember that I learnt about it before last year in Procedural Effects class. I then had to put constraints onto the object.



                                                                 Constraints Exercise


Multiple Constraints & Limits

In this exercise I had to make a door and have an object hit it to "open" it. Used 2 pin constraints on the door to act as its hinges. A RBD object was added as the object that hits the door. Added a small cube near the door as a doorstopper that limits the swivel movement of the door.

                                                             Multiple constraints exercise




Affector Matrix

In this exercise, I learnt about the affector matrix.

                                                               Affector Matrix exercise



Multiple Objects

In this exercise I learnt how to create multiple dobjects in the RBD Object DOP. Another way is to use the Copy Objects DOP.

                                           Creating multiple dobjects with RBD Object DOP

                             Creating multiple dobjects with Copy Objects DOP (objects in detail panel)

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