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# setting Settings.MaxRotation

 Wiki Link: [discussion:282035]
 TheFnorder Dec 6, 2011 at 8:47 PM Edited Dec 7, 2011 at 11:41 PM I'm having a problem with Body.Rotation.  I'm doing math with angles, and it's troublesome when Body.Rotation is not constrained between (-PI and PI). Solution 1: Set Settings.MaxRotation=Math.PI. Unfortunately, it cannot be set, and doesn't make any mention of what happens on MinRotation. Why is not constrained in the first place?   Solution 2: To try to solve this, I use MathHelper.WrapAngle(Body.Rotation). For reason, it doesn't actually WrapAngle until it's already made like, 4 incorrect calculations.   To test the code I'm thinking of:   `Body.Position=Vector2.Zero;Body.Rotation+=10*Math.PI/180;float Rotation1=MathHelper.WrapAngle(Body.Rotation);float Rotation2=(float)Math.Atan2(Mouse.Y - Body.Y, Mouse.X - Body.X); //Rotation2 is the direction from Body to Mouse.float CalcRotation=MathHelper.Lerp(Rotation1,Rotation2,.6);//weight can be any number, (0,1) noninclusive./*From here, you can draw a line from (0,0) to (100,CalcRotation) //polar coordinatesCreate a second body, whose Rotation is CalcRotationDraw text of CalcRotationEither way, you'll see that there is a lapse when the incorrect Body.Rotation is used when it jumps from -PI to PI.*/`   Thanks for the help