Javascript 3D Physics Tut 3 Jump

jump.js

function jump(){

  cbContactPairResult.hasContact = false;

  physicsWorld.contactPairTest(ball.userData.physicsBody, redTile.userData.physicsBody, cbContactPairResult);

  if( !cbContactPairResult.hasContact ) return;

  let jumpImpulse = new Ammo.btVector3( 0, 15, 0 );

  let physicsBody = ball.userData.physicsBody;
  physicsBody.setLinearVelocity( jumpImpulse );

}