Problem with the getCharIndexAtPoint() method.
Just try to set up a basic script to detect the text when the user clicks on it. The following code:
trace (caesar_txt.getCharIndexAtPoint (300,300));
GetCharacter();
function getcharacter()
{
trace (caesar_txt.getCharIndexAtPoint (300,300));
}
Produced these results:
42
TypeError: Error #1009: cannot access a property or method of a null object reference.
to fl.text::TLFTextField/getCharBoundaries()
to fl.text::TLFTextField/getCharIndexAtPoint()
at Untitled_fla::MainTimeline/getcharacter()
at Untitled_fla::MainTimeline/frame1()
If the first command the trace, the character index in this point (42) is returned, but as soon as the trace command is called in a function he faces a null object reference, apparently in the getCharBoundaries method. The field of text in question exist on the stage, it is not created in the code, but I doubt it would be a problem. Appreciate any help you could give me.
I think you found a bug. I can reproduce it. The reason I think this is a bug is disable Word wrapping (select textfield, go to pass container and flow, defined behavior "Multiline no film"). The bug seems to only happen with active wordWrap.
I produced the TLFTextField with code and also placed on stage to hand, the two error if the word wrapping is enabled.
Disable word wrapping made your mistake disappear?
Tags: Adobe Animate
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