Not completely sure if this is what you want, but I think your “scale” would be:
scale = (distance - minDistance) / (maxDistance - minDistance) * (maxScale - minScale) + minScale In this case, scale = (distance - 100) / 100 * 2 + 1 Saagar Jha > On Jan 24, 2017, at 10:45 AM, Eric E. Dolecki <edole...@gmail.com> wrote: > > I have a situation where the distance of an onTouchesBegan in iOS produces > a scale for an object. > > min distance of 100 = scale of 1.0 > max distance of 200 = scale of 3.0 > > So I am looking for a number between 100 and 200 which ends up being > between 1.0 and 3.0. I can get the distance easily enough, but the scale > factor eludes me at the moment. Coffee? Lack of this kind of math for over > 20 years? Heh. > > self.scaleCircle.transform = CGAffineTransform(scaleX: percentage, y: > percentage) > > What math would I apply to get that range? > > Eric > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/cocoa-dev/saagar%40saagarjha.com > > This email sent to saa...@saagarjha.com _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
