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graphics.GLCameraController: respect angular limits

master
Harald Wolff 2017-06-10 23:11:29 +02:00
parent a5a3110170
commit 5b2a6632e4
1 changed files with 21 additions and 6 deletions
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27
org.budnhead/graphics/GLCameraController.cs
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@ -23,8 +23,8 @@ namespace org.budnhead.graphics
private Point mouseCapturePosition;
private bool mouseCaptured;
public Limits LimitUpDown { get; set; } = new Limits(-MathHelper.PiOver2,-MathHelper.Pi / 16);
public Limits LimitLeftRight { get; set; } = new Limits(-Math.PI, Math.PI);
public Limits LimitUpDown { get; set; } = new Limits(MathHelper.PiOver2,MathHelper.Pi);
public Limits LimitLeftRight { get; set; } = new Limits(-MathHelper.Pi, MathHelper.Pi);
public GLCameraController(GLCamera camera, SceneWindow sceneWindow){
@ -148,8 +148,18 @@ namespace org.budnhead.graphics
v *= mrot;
t *= mrot;
camera.View = v;
camera.Top = t;
float angle = (float)Math.Acos(Vector3.Dot(v, Vector3.UnitZ));
if ((camera.View.X * v.X <= 0)||(camera.View.Y * v.Y <= 0)){
angle = (float)((2 * Math.PI) - angle);
}
Console.WriteLine("Angle: {0}",angle);
if (LimitUpDown.ValueIsValid(angle)){
camera.View = v;
camera.Top = t;
}
}
public void rotateLeftRight(float arc)
{
@ -166,8 +176,13 @@ namespace org.budnhead.graphics
v *= mrot;
t *= mrot;
camera.View = v;
camera.Top = t;
float angle = (float)Math.Acos(Vector2.Dot(v.Xy, Vector2.UnitY));
if (LimitLeftRight.ValueIsValid(angle))
{
camera.View = v;
camera.Top = t;
}
}
public void walk(float distance)