Assume I have a simple Physijs object like this car. How can I adapt something like this to "jump" (hydraulics ftw!) when pressing spacebar for instance?

I'm currently thinking applyCentralImpulse should come into play.

  • 1
    \$\begingroup\$ Ah, well it looks like you found the answer at the same time. \$\endgroup\$
    – House
    Commented Aug 23, 2013 at 23:37

1 Answer 1


Well, the documentation is apparently non-existent at this point, but searching the source yields the following:

applyCentralImpulse = function ( force )

So, create a vector pointing up, upVector.set( 0, jumpFactor, 0 );, then use applyCentralImpulse to the vehicle to make it jump.

Alternatively, you can use applyImpulse ( force, offset ) and supply an offset to position the force under the front wheels, thereby giving your hydraulics "the win".

  • \$\begingroup\$ I'll give it a shot and report back. As you pointed out, documentation is comparable to that of three.js, so who knows. \$\endgroup\$ Commented Aug 23, 2013 at 23:45

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