example:

var time = 0;
..
if(!key_cul)time = 0;
if(key_cul & time < 5)// 5 - is how many frames entity must go
{
c_move(me,vector(1,0,0), nullvector, GLIDE); //move entity
time +=1;
}
wait(1);
...

The smaller the bug, the harder it is to kill.
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Forklift DEMO (3dgs)