~~NOTOC~~
<=[[4rpl:start| Index]]

====== GetMouseButtonDown ======
GetMouseButtonDown(<-button <-ignorePressesOverUI) ->val

===== Description =====
Returns a boolean indicating if the specified mouse button was pressed during the game frame.
Note: This only return true once until the mouse button is released and pressed again.
The button argument specifies which mouse button to check. A value of 0 means the left button, 1 the right button, and 2 the middle button.
The second argument indicates whether to ignore the events when the cursor is over the UI.

===== Examples =====
<code 4rpl>
if (GetMouseButtonDown(0 true))
   Trace("Left Button Down")
endif
</code>
<=[[4rpl:start| Index]]