Expand the idea of Jason and draw an invisible rectangle "under" your
specific line. Assumed your line should be 30px long and your click radius
should be 5xp
var line:Sprite = new Sprite();
var g:Graphics = line.graphics;
g.clear();
// hit radius
*g.beginFill(0xff0000,0);*
g.drawRect(0,-3,30,5);
g.endFill();
// line itself
*g.beginFill(0x000000,1);
g.drawRect(0,0,30,1);*
g.endFill();
Notice that the hit radius has an alpha of zero and
the line an alpha of 1. Does it work for you?
Weyert de Boer schrieb:
Merrill, Jason wrote:
A simple solution could be to create a sprite to draw the line onto, and
add a listener to the sprite to see if it was clicked on.
Yes, but then you still have the problem that a two pixel line is not
a great hit area for drawn line. That's why I asked the question
to improve the experience by calculating the hit area myself. I can
basically check if the click is within the given radius of the line.
If so, recognize the click as clicked on the line.
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