Limited angle on a moving object

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This is a code so you can see the same skin on all screens (peers). Each peer gets a skin, in addition to 4 directions t

Nevesbr

- oldchivas
- - Joined 1 Mar, 2011
  - 1 topics • 2 posts
- 1
- 17 Mar, 2011
- Quote
Hello. Ask a petition for my english , because I use online translators.

The essence of the problem: can not create an object with a limited angle of rotation of the object on the mobile.

picture for understanding:

How we can improve this expression ?
clamp(angle(gun.x, gun.y, mousex, mousey), corps.Angle-30, corps.Angle+30)[/code:1ecok5id] If you want to show the example: [url=http://dl.dropbox.com/u/1086462/rotation%20is%20limited.cap]http://dl.dropbox.com/u/1086462/rotatio ... imited.cap[/url] Thanks...
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tulamide
- Joined 11 Sep, 2009
- 132 topics • 1,805 posts
1

18 Mar, 2011
Quote

How we can improve this expression ?

clamp(angle(gun.x, gun.y, mousex, mousey), corps.Angle-30, corps.Angle+30)[/code:28xqihdm]

Avoiding any own math like modulo etc, you have to split it to two subevents and use the 'AngleDiff' expression and the 'Angle is clockwise of' condition.

+ System: Always (every tick)
-> gun: Set position to object corps (image point 0)
++ System: Angle angle(gun.x, gun.y, mousex, mousey) is Clockwise from corps.Angle
-> gun: Set angle to clamp(AngleDiff(angle(gun.x, gun.y, mousex, mousey) , corps.Angle), 0, 30) + corps.Angle
++ System: Else
-> gun: Set angle to clamp(AngleDiff(angle(gun.x, gun.y, mousex, mousey) , corps.Angle) * -1, -30, 0) + corps.Angle[/code:28xqihdm]

Download:
[url=http://www.mediafire.com/file/9zt9y0v1d44vyg4/rotation%20is%20limited2.cap]rotation is limited2.cap[/url]