[uplovethai]

I want make the bomb . someone to stand on the spot, a bomb would work.

[Tigerbeast11]

Use PlayerToPoint

Read wiki!

[dirkblok]

or use IsPlayerInRangeOfPoint, only in 0.3

here you have the link
https://sampwiki.blast.hk/wiki/IsPlayerInRangeOfPoint

[pagie1111]

PlayerToPoint = Slower, custom function.

IsPlayerInRangeOfPoint = Faster, 0.3 function.

[MadeMan]

Make a timer to check with PlayerToPoint/IsPlayerInRangeOfPoint if somebody is close enough and then CreateExplosion.

https://sampwiki.blast.hk/wiki/CreateExplosion