check array for zeros using for increment

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Louis Grainger
Louis Grainger 2021-4-27
回答： VBBV 2021-4-27
I am trying to create a game of battleship, given an array populated by zeros, when a value is changed (places a ship), I want to check if a ship is already there array(row, col) ~= 0. but this only works when the origin is populated. I can't seem to change the code in a regard where it checks each element startRow to endRow. is there a better way to implement this check?
%input is direction, row, col
check = true
switch direction
case 0 %n
startRow = row;
endRow = startRow - (shipLength - 1);
for i = endRow:startRow
if array(row,col) ~= 0
check = false;
end
end

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采纳的回答

VBBV
VBBV 2021-4-27
%if true
if array(row,col) ~= 0
check(i) = false;
end
Use loop index

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