Physics Pause

Game_Master · July 1, 2015 at 10:37 PM

This widget makes it easy to enable pausing with the physics movements.

Widget:
1. Drag the "Physics - Pause" object into your frame.
2. For each active object that you want to be pausable, create a clone of "Pausable Active" in your frame.
3. When you want to toggle pause, run a fastloop called "physics.togglePause" once.

Note: angular velocity pausing now works as of CF2.5 Build 288.0 and Widget V2.mfa (I've kept the original widget up for people who aren't on build 288 yet). You can stop rotation when pausing by setting the StopRotation alterable value in "Physics - Pause" to 1.

Demo:
- Click to create active objects.
- Press spacebar to toggle pause.

Compatible with all runtimes that can use the physics movements.

Game_Master · July 2, 2015 at 4:40 PM

Fixed a bug that caused objects to keep moving when paused.

Thanks to RhysD for spotting it.

paobrasil · July 3, 2015 at 2:38 PM

man, amazing! thanks for the example

rocketappliances · October 15, 2015 at 10:04 PM

Does your object store floating point positions of the objects? Or does it simple turn off the physics and apply the forces which were on the objects before the pause.

aenever · October 16, 2015 at 10:02 AM

If you click the pausable active, in the properties just under Qualifier(s). There's a section called Behaviours, this one is called Pause click the ellipsis and click edit. The Widgets code is kept inside.

As far as I can tell the widget stores the actives - Velocity (speed and linear direction) and Angular Velocity (Roational speed) as alterable values as soon as it's paused. It then sets the Linear Velocity to zero (which stops movement), keeps the angle the same and sets the Angular Velocity to zero (stops rotation).

When the pause is taken off the pausable active's last known Velocity and Angular Velocity is restored.

rocketappliances · October 25, 2015 at 12:04 AM

Thanks for the insight aenever. I need to find a way to get float position values from objects in the physics world, looks like the widget works around this by just storing the other values.

Outcast · November 23, 2015 at 11:34 AM

It seems if the object is rotating it will not rotate after you unpause

Game_Master · November 23, 2015 at 11:53 PM

Quote from Outcast

It seems if the object is rotating it will not rotate after you unpause

I know - I put that in the first post

Sadly it's a limitation of the physics movement; I couldn't find any way to retrieve the rotation speed before pausing, so couldn't restore it when unpausing.

PlasmaVoid · March 21, 2016 at 9:17 AM

This doesnt work at all.

Game_Master · December 29, 2016 at 7:06 AM

Thanks to CF2.5 Build 288.0, angular velocity can now be obtained thanks to a new expression, so the physics pause widget can now pause and resume the angular velocity.

PlasmaVoid I realise it's late to respond, but if you let me know what you think isn't working, I may be able to fix it.

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