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DragonlordAN

Chimney Destruction - Constraints Problem

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Hi guys,

I have a problem, with constraints.

I create a simple scene and get a desirable effect. It is a simple setup with a combination of strong glue constraint and soft constraint, which is fine. But this setup doesn't work as I want in chimney setup, so I have to change the setup to two glue constraints, stronger and weaker.

I tried to convert weaker glue to soft when chimney falls down, and get effect like in simple scene example. This conversion I tried to accomplish in SOP solver in the constraint network. 

if(@Frame>115 && s@constraint_name=="Glue2"){
    s@constraint_name="Soft";
    if (f@distance > 1 ){
        i@group_broken=1;
    }
}

This complete mess my constraints both strong and week.

So any advice to accomplish this?

I am sure that there is a more intelligent way to do this but I am new in Houdini and any help is more than welcome.

Aleksandar

chimney.mov

Test.mov

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