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v1.2.6.0 (Winter Update)

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Regalis11
2023-12-14 16:11:27 +02:00
parent af8cc89fce
commit b91e85559d
375 changed files with 7771 additions and 2874 deletions
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Barotrauma/BarotraumaShared/SharedSource/Utils/MathUtils.cs
+54 -48
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@@ -139,17 +139,17 @@ namespace Barotrauma
return new Rectangle(rect.X - amount, rect.Y + amount, rect.Width + amount * 2, rect.Height + amount * 2);
}
public static int VectorOrientation(Vector2 p1, Vector2 p2, Vector2 p)
/// <summary>
/// Given three points A, B and C,
/// returns 1 if AC is oriented clockwise relative to AB,
/// -1 if AC is oriented counter-clockwise relative to AB,
/// or 0 if A, B and C are collinear.
/// </summary>
public static int VectorOrientation(Vector2 pointA, Vector2 pointB, Vector2 pointC)
{
// Determinant
float Orin = (p2.X - p1.X) * (p.Y - p1.Y) - (p.X - p1.X) * (p2.Y - p1.Y);
float determinant = (pointB.X - pointA.X) * (pointC.Y - pointA.Y) - (pointC.X - pointA.X) * (pointB.Y - pointA.Y);
if (Orin > 0)
return -1; // (* Orientation is to the left-hand side *)
if (Orin < 0)
return 1; // (* Orientation is to the right-hand side *)
return 0; // (* Orientation is neutral aka collinear *)
return -Math.Sign(determinant);
}
@@ -412,41 +412,29 @@ namespace Barotrauma
return false;
}
/*public static List<Vector2> GetLineRectangleIntersections(Vector2 a1, Vector2 a2, Rectangle rect)
{
List<Vector2> intersections = new List<Vector2>();
public static Vector2 FlipX(this Vector2 vector)
=> new Vector2(-vector.X, vector.Y);
Vector2? intersection = GetAxisAlignedLineIntersection(a1, a2,
new Vector2(rect.X, rect.Y),
new Vector2(rect.Right, rect.Y),
true);
public static Vector2 FlipY(this Vector2 vector)
=> new Vector2(vector.X, -vector.Y);
if (intersection != null) intersections.Add((Vector2)intersection);
public static Vector2 YX(this Vector2 vector)
=> new Vector2(x: vector.Y, y: vector.X);
public static Point FlipY(this Point point)
=> new Point(point.X, -point.Y);
intersection = GetAxisAlignedLineIntersection(a1, a2,
new Vector2(rect.X, rect.Y - rect.Height),
new Vector2(rect.Right, rect.Y - rect.Height),
true);
public static Point YX(this Point point)
=> new Point(x: point.Y, y: point.X);
public static Vector2 RotatedUnitXRadians(float radians)
=> new Vector2(MathF.Cos(radians), MathF.Sin(radians));
if (intersection != null) intersections.Add((Vector2)intersection);
intersection = GetAxisAlignedLineIntersection(a1, a2,
new Vector2(rect.X, rect.Y),
new Vector2(rect.X, rect.Y - rect.Height),
false);
if (intersection != null) intersections.Add((Vector2)intersection);
intersection = GetAxisAlignedLineIntersection(a1, a2,
new Vector2(rect.Right, rect.Y),
new Vector2(rect.Right, rect.Y - rect.Height),
false);
if (intersection != null) intersections.Add((Vector2)intersection);
return intersections;
}*/
public static Vector2 RotatedUnitYRadians(float radians)
=> RotatedUnitXRadians(radians).YX().FlipX();
public static Vector2 Round(this Vector2 vector)
=> new Vector2((int)MathF.Round(vector.X), (int)MathF.Round(vector.Y));
/// <summary>
/// Get the intersections between a line (either infinite or a line segment) and a circle
@@ -1103,11 +1091,11 @@ namespace Barotrauma
}
}
class CompareCCW : IComparer<Vector2>
class CompareCW : IComparer<Vector2>
{
private Vector2 center;
public CompareCCW(Vector2 center)
public CompareCW(Vector2 center)
{
this.center = center;
}
@@ -1118,25 +1106,43 @@ namespace Barotrauma
public static int Compare(Vector2 a, Vector2 b, Vector2 center)
{
if (a == b) return 0;
if (a.X - center.X >= 0 && b.X - center.X < 0) return -1;
if (a.X - center.X < 0 && b.X - center.X >= 0) return 1;
if (a == b) { return 0; }
if (a.X - center.X >= 0 && b.X - center.X < 0) { return 1; }
if (a.X - center.X < 0 && b.X - center.X >= 0) { return -1; }
if (a.X - center.X == 0 && b.X - center.X == 0)
{
if (a.Y - center.Y >= 0 || b.Y - center.Y >= 0) return Math.Sign(b.Y - a.Y);
if (a.Y - center.Y >= 0 || b.Y - center.Y >= 0) { return Math.Sign(a.Y - b.Y); }
return Math.Sign(a.Y - b.Y);
}
// compute the cross product of vectors (center -> a) x (center -> b)
float det = (a.X - center.X) * (b.Y - center.Y) - (b.X - center.X) * (a.Y - center.Y);
if (det < 0) return -1;
if (det > 0) return 1;
if (det < 0) { return 1; }
if (det > 0) { return -1; }
// points a and b are on the same line from the center
// check which point is closer to the center
float d1 = (a.X - center.X) * (a.X - center.X) + (a.Y - center.Y) * (a.Y - center.Y);
float d2 = (b.X - center.X) * (b.X - center.X) + (b.Y - center.Y) * (b.Y - center.Y);
return Math.Sign(d2 - d1);
return Math.Sign(d1 - d2);
}
}
class CompareCCW : IComparer<Vector2>
{
private Vector2 center;
public CompareCCW(Vector2 center)
{
this.center = center;
}
public int Compare(Vector2 a, Vector2 b)
{
return -CompareCW.Compare(a, b, center);
}
public static int Compare(Vector2 a, Vector2 b, Vector2 center)
{
return -CompareCW.Compare(a, b, center);
}
}
}