global $hero[2] = [10, 10];X, Y
global $drzewko[2] = [20, 20];X, Y
global $hSize[2] = [5, 5];width, hight
global $dSize[2] = [10, 10];width, hight
while true
if ($hero[0] + $hSize[0] > $drzewko[0]) and ($hero[1] + $hSize[1] > $drzewko[1]) then
;kolizja
endif
if ($hero[0] < $drzewko[0] + $dSize[0]) and ($hero[1] < $drzewko[1] + $dSize[1]) then
;kolizja
endif
wend