On Sep 12, 2012, at 1:09 AM, iQue <max.nielse...@gmail.com> wrote:
>
> Say the joysticks background image is 50x50, how do I make a circle in
> android with this size in mind, and how do i check if im pressing within it.
Use distance,
int dx = imgCenterX - touch.x;
int dy = imgCenterY - touch.y;
float distance = FloatMath.sqrt(dx * dx + dy * dy);
// Out of bounds check.
if (distance > 25) {
touch.x *= 1f / distance;
touch.y *= 1f / distance;
}
Or something like this might work.
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