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Rotation snapping

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dexy
2020-01-09 17:59:57 +11:00
Unverified
parent efd58b5044
commit 9ba701bd2d
4 changed files with 185 additions and 125 deletions
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World/Widget.cs
+16 -1
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@@ -78,6 +78,11 @@ namespace CodeWalker.World
RotationWidget.ObjectSpace = value;
}
}
public float SnapAngleDegrees
{
get { return RotationWidget.SnapAngleDegrees; }
set { RotationWidget.SnapAngleDegrees = value; }
}
public Vector3 Position
{
get { return PositionWidget.Position; }
@@ -500,6 +505,7 @@ namespace CodeWalker.World
public bool ObjectSpace { get; set; } = true;
public WidgetAxis EnableAxes { get; set; } = WidgetAxis.XYZ;
public float SnapAngleDegrees { get; set; } = 5.0f;
public RotationWidget()
{
@@ -640,7 +646,7 @@ namespace CodeWalker.World
Vector3 ov = Vector3.Normalize(DragStartVec - camrel);
float na = AngleOnAxes(nv, DraggedAxisSideDir1, DraggedAxisSideDir2);
float oa = AngleOnAxes(ov, DraggedAxisSideDir1, DraggedAxisSideDir2);
float a = na - oa;
float a = SnapAngle(na - oa);
Quaternion rot = Quaternion.RotationAxis(DraggedAxisDir, a);
Quaternion oldrot = Rotation;
Rotation = Quaternion.Normalize(Quaternion.Multiply(rot, DragStartRotation));
@@ -663,6 +669,15 @@ namespace CodeWalker.World
return (float)Math.Atan2(d2, d1);
}
private float SnapAngle(float a)
{
if (SnapAngleDegrees <= 0.0f) return a;
float snaprad = SnapAngleDegrees * 0.0174532925f;
float ahalf = a + (snaprad * 0.5f);
float mod = ahalf % snaprad;
float snapped = ahalf - mod;
return snapped;
}
}
public class ScaleWidget : Widget