Toggle Physics by object?

Development Programming & Scripting Blueprint
1

Hi - Is it possible to toggle physics on and off for an object? To give you context, i’m spawning 100 blocks and dropping them - using ‘Move Component to’ in to a 3x3x10 grid - Then I want to blow them up using physics. If I drop them into position using physics it looks nice but ends up messy. If I use ‘move component to’, I can’t then blow them up because physics is disabled.

So really, what I want is a toggle for Simulate Physics. Is this possible?

Thinking about it, if I could toggle disabling the whole physics engine this would be ok too.

Dan.

2

maybe you can use teleport actor and set physics to not wake at spawn. for me it’s usually a bad idea to move component, better move the entire actor instead.

3

There is a node for Set Physics Enabled, you should be able to use that.

4

I’m not in front of it but isn’t that collision rather than physics?

5

You may be right, not sure. But if so, if you turn that and gravity off at the same time it should do what you want.

6

There is a “Simulate Physics” node. You can turn it on and off.
If you stop simulating, components wont be able to move - they will hang, even mid air.
There is a problem with it however.
After turning simulate physics on again you need to apply some kind of force to the component (you can just hit / touch them with something else, or use a node) - without it the will not start moving on their own.

7

Thanks, this worked a treat. I don’t know why I couldn’t find this node before - i suspect I was typing physics without an h or something stupid like that.

8

Hello, I cannot find the “Simulate Physics” node in 4.18, do you know if they changed the name?