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__NOTOC__ | __NOTOC__ | ||
{{AGIWiki}} | {{AGIWiki}} | ||
{{AGIWiki/Test commands}} | |||
The '''posn''' command returns TRUE if the screen coordinates of the screen object's bottom left pixel is within a specified region. | The '''posn''' command returns TRUE if the screen coordinates of the screen object's bottom left pixel is within a specified region. | ||
== Syntax == | == Syntax == | ||
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The region to be tested is bounded by (X1, Y1) - (X2, Y2). | The region to be tested is bounded by (X1, Y1) - (X2, Y2). | ||
The position test commands ('''posn''', '''[[AGIWiki/center.posn|center.posn]]''', '''[[AGIWiki/right.posn|right.posn]]''', and '''[[AGIWiki/obj.in.box|obj.in.box]]''' are used to determine if a screen object's position is within a certain area. | The position test commands ('''posn''', '''[[AGIWiki/center.posn|center.posn]]''', '''[[AGIWiki/right.posn|right.posn]]''', and '''[[AGIWiki/obj.in.box|obj.in.box]]''') are used to determine if a screen object's position is within a certain area. | ||
The bottom left pixel of a screen object's view is its reference point. The '''posn''' command tests the location of this reference point. | The bottom left pixel of a screen object's view is its reference point. The '''posn''' command tests the location of this reference point. | ||
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== Example == | == Example == | ||
< | <syntaxhighlight lang="cpp"> | ||
if (posn(o1, 0, 120, 60, 130)) { | if (posn(o1, 0, 120, 60, 130)) { | ||
print("the object's lower left corner is in the box"); | print("the object's lower left corner is in the box"); | ||
} | } | ||
</ | </syntaxhighlight> | ||
== Technical Information == | == Technical Information == | ||