/// <summary>
/// Constructs a plane with another specified <see cref="PlaneF"/> object.
/// </summary>
/// <param name="source">A specified plane.</param>
public PlaneF(PlaneF source)
{
this.A = source.A;
this.B = source.B;
this.C = source.C;
this.D = source.D;
}
/// <summary>
/// Constructs a plane with the specified <see cref="PlaneF"/> object.
/// </summary>
/// <param name="source">A specified plane.</param>
public Plane(PlaneF source)
{
A = source.A;
B = source.B;
C = source.C;
D = source.D;
}
/// <summary>
/// Subtracts two planes.
/// </summary>
/// <param name="p0">The plane to subtract from.</param>
/// <param name="p1">The plane to be subtracted from another plane.</param>
/// <param name="result">When the method completes, contains the resulting plane.</param>
public static void Subtract(ref PlaneF p0, ref PlaneF p1, out PlaneF result)
{
result.A = p0.A - p1.A;
result.B = p0.B - p1.B;
result.C = p0.C - p1.C;
result.D = p0.D - p1.D;
}
/// <summary>
/// Reverses the direction of a given plane.
/// </summary>
/// <param name="p">The plane to negate.</param>
/// <param name="result">When the method completes, contains the plane facing in the opposite direction.</param>
public static void Negate(ref PlaneF p, out PlaneF result)
{
result.A = -p.A;
result.B = -p.B;
result.C = -p.C;
result.D = -p.D;
}
/// <summary>
/// Adds two planes.
/// </summary>
/// <param name="p0">The first plane to add.</param>
/// <param name="p1">The second plane to add.</param>
/// <param name="result">When the method completes, contains the resulting plane.</param>
public static void Add(ref PlaneF p0, ref PlaneF p1, out PlaneF result)
{
result.A = p0.A + p1.A;
result.B = p0.B + p1.B;
result.C = p0.C + p1.C;
result.D = p0.D + p1.D;
}
/// <summary>
/// Determines whether the specified plane is equal to the current instance of <see cref="PlaneF"/>
/// with the given normal and distance precisions.
/// </summary>
/// <param name="p">The plane to compare.</param>
/// <param name="normalEpsilon">The precision value for the plane normal.</param>
/// <param name="distanceEpsilon">The precision value for the distance component of the plane.</param>
/// <returns>True if the specified plane is equal to the current instance of <see cref="PlaneF"/>; False otherwise.</returns>
public bool Equals(ref PlaneF p, float normalEpsilon, float distanceEpsilon)
{
if (Math.Abs(D - p.D) > distanceEpsilon)
{
return(false);
}
Vector3F n = Normal;
Vector3F pn = p.Normal;
if (!n.Equals(ref pn, normalEpsilon))
{
return(false);
}
return(true);
}
/// <summary>
/// Creates an instance of <see cref="PlaneF"/> that contains the three given points.
/// </summary>
/// <param name="point0">The first point defining the plane.</param>
/// <param name="point1">The second point defining the plane.</param>
/// <param name="point2">The third point defining the plane.</param>
/// <param name="result">When the method completes, contains the resulting plane.</param>
public static void FromPoints(ref Vector3F point0, ref Vector3F point1, ref Vector3F point2,
out PlaneF result)
{
Vector3F edge1;
Vector3F.Subtract(ref point1, ref point0, out edge1);
Vector3F edge2;
Vector3F.Subtract(ref point2, ref point0, out edge2);
Vector3F normal;
Vector3F.Cross(ref edge1, ref edge2, out normal);
normal.Normalize();
result.A = normal.X;
result.B = normal.Y;
result.C = normal.Z;
result.D = -(normal.X * point0.X + normal.Y * point0.Y + normal.Z * point0.Z);
}
/// <summary>
/// Determines whether the specified plane is equal to the current instance of <see cref="PlaneF"/>
/// with a given precision.
/// </summary>
/// <param name="p">The plane to compare.</param>
/// <param name="epsilon">The precision value.</param>
/// <returns>True if the specified plane is equal to the current instance of <see cref="PlaneF"/>; False otherwise.</returns>
public bool Equals(ref PlaneF p, float epsilon)
{
if (Math.Abs(A - p.A) > epsilon)
{
return(false);
}
if (Math.Abs(B - p.B) > epsilon)
{
return(false);
}
if (Math.Abs(C - p.C) > epsilon)
{
return(false);
}
if (Math.Abs(D - p.D) > epsilon)
{
return(false);
}
return(true);
}
public float GetPlaneDistance(ref PlaneF plane)
{
Vector3F center;
GetCenter(out center);
float d1 = plane.GetDistance(ref center);
float d2 = Math.Abs((Maximum.X - center.X) * plane.Normal.X) +
Math.Abs((Maximum.Y - center.Y) * plane.Normal.Y) +
Math.Abs((Maximum.Z - center.Z) * plane.Normal.Z);
if (d1 - d2 > 0.0f)
{
return(d1 - d2);
}
if (d1 + d2 < 0.0f)
{
return(d1 + d2);
}
return(0.0f);
}
public PlaneF.Side GetPlaneSide(ref PlaneF plane)
{
Vector3F center;
GetCenter(out center);
float d1 = plane.GetDistance(ref center);
float d2 = Math.Abs((Maximum.X - center.X) * plane.A) +
Math.Abs((Maximum.Y - center.Y) * plane.B) +
Math.Abs((Maximum.Z - center.Z) * plane.C);
if (d1 - d2 > 0)
{
return(PlaneF.Side.Positive);
}
if (d1 + d2 < 0)
{
return(PlaneF.Side.Negative);
}
return(PlaneF.Side.No);
}
//
static SimpleTypes()
{
//string
RegisterType(typeof(string), delegate(string value)
{
if (value == null)
{
return("");
//throw new Exception( "GetSimpleTypeValue: string type, value = null" );
}
return(value);
}, "");
//bool
RegisterType(typeof(bool), delegate(string value)
{
string lower = value.ToLower();
if (value == "1" || lower == "yes" || lower == "true")
{
return(true);
}
else if (value == "0" || lower == "no" || lower == "false")
{
return(false);
}
else
{
return(bool.Parse(value));
}
}, false);
//sbyte
RegisterType(typeof(sbyte), delegate(string value) { return(sbyte.Parse(value)); }, 0);
//byte
RegisterType(typeof(byte), delegate(string value) { return(byte.Parse(value)); }, 0);
//char
RegisterType(typeof(char), delegate(string value) { return(char.Parse(value)); }, 0);
//short
RegisterType(typeof(short), delegate(string value) { return(short.Parse(value)); }, 0);
//ushort
RegisterType(typeof(ushort), delegate(string value) { return(ushort.Parse(value)); }, 0);
//int
RegisterType(typeof(int), delegate(string value) { return(int.Parse(value)); }, 0);
//uint
RegisterType(typeof(uint), delegate(string value) { return(uint.Parse(value)); }, (uint)0);
//long
RegisterType(typeof(long), delegate(string value) { return(long.Parse(value)); }, (long)0);
//ulong
RegisterType(typeof(ulong), delegate(string value) { return(ulong.Parse(value)); }, (ulong)0);
//float
RegisterType(typeof(float), delegate(string value) { return(float.Parse(value)); }, 0.0f);
//double
RegisterType(typeof(double), delegate(string value) { return(double.Parse(value)); }, 0.0);
//decimal
RegisterType(typeof(decimal), delegate(string value) { return(decimal.Parse(value)); }, (decimal)0.0);
//Vec2
RegisterType(typeof(Vector2F), delegate(string value) { return(Vector2F.Parse(value)); }, Vector2F.Zero);
//Range
RegisterType(typeof(RangeF), delegate(string value) { return(RangeF.Parse(value)); }, RangeF.Zero);
//Vec3
RegisterType(typeof(Vector3F), delegate(string value) { return(Vector3F.Parse(value)); }, Vector3F.Zero);
//Vec4
RegisterType(typeof(Vector4F), delegate(string value) { return(Vector4F.Parse(value)); }, Vector4F.Zero);
//Bounds
RegisterType(typeof(BoundsF), delegate(string value) { return(BoundsF.Parse(value)); }, BoundsF.Zero);
//Quat
RegisterType(typeof(QuaternionF), delegate(string value) { return(QuaternionF.Parse(value)); }, QuaternionF.Identity);
//ColorValue
RegisterType(typeof(ColorValue), delegate(string value) { return(ColorValue.Parse(value)); }, ColorValue.Zero);
//ColorValuePowered
RegisterType(typeof(ColorValuePowered), delegate(string value) { return(ColorValuePowered.Parse(value)); }, ColorValuePowered.Zero);
//ColorPacked
RegisterType(typeof(ColorByte), delegate(string value) { return(ColorByte.Parse(value)); }, ColorByte.Zero);
//SphereDir
RegisterType(typeof(SphericalDirectionF), delegate(string value) { return(SphericalDirectionF.Parse(value)); }, SphericalDirectionF.Zero);
//Vec2I
RegisterType(typeof(Vector2I), delegate(string value) { return(Vector2I.Parse(value)); }, Vector2I.Zero);
//Vec3I
RegisterType(typeof(Vector3I), delegate(string value) { return(Vector3I.Parse(value)); }, Vector3I.Zero);
//Vec4I
RegisterType(typeof(Vector4I), delegate(string value) { return(Vector4I.Parse(value)); }, Vector4I.Zero);
//Rect
RegisterType(typeof(RectangleF), delegate(string value) { return(RectangleF.Parse(value)); }, RectangleF.Zero);
//RectI
RegisterType(typeof(RectangleI), delegate(string value) { return(RectangleI.Parse(value)); }, RectangleI.Zero);
//Degree
RegisterType(typeof(DegreeF), delegate(string value) { return(DegreeF.Parse(value)); }, DegreeF.Zero);
//Radian
RegisterType(typeof(RadianF), delegate(string value) { return(RadianF.Parse(value)); }, RadianF.Zero);
//Vec2D
RegisterType(typeof(Vector2), delegate(string value) { return(Vector2.Parse(value)); }, Vector2.Zero);
//RangeD
RegisterType(typeof(Range), delegate(string value) { return(Range.Parse(value)); }, Range.Zero);
//RangeI
RegisterType(typeof(RangeI), delegate(string value) { return(RangeI.Parse(value)); }, RangeI.Zero);
//Vec3D
RegisterType(typeof(Vector3), delegate(string value) { return(Vector3.Parse(value)); }, Vector3.Zero);
//Vec4D
RegisterType(typeof(Vector4), delegate(string value) { return(Vector4.Parse(value)); }, Vector4.Zero);
//BoundsD
RegisterType(typeof(Bounds), delegate(string value) { return(Bounds.Parse(value)); }, Bounds.Zero);
//QuatD
RegisterType(typeof(Quaternion), delegate(string value) { return(Quaternion.Parse(value)); }, Quaternion.Identity);
//SphereDirD
RegisterType(typeof(SphericalDirection), delegate(string value) { return(SphericalDirection.Parse(value)); }, SphericalDirection.Zero);
//RectD
RegisterType(typeof(Rectangle), delegate(string value) { return(Rectangle.Parse(value)); }, Rectangle.Zero);
//DegreeD
RegisterType(typeof(Degree), delegate(string value) { return(Degree.Parse(value)); }, Degree.Zero);
//RadianD
RegisterType(typeof(Radian), delegate(string value) { return(Radian.Parse(value)); }, Radian.Zero);
//Angles
RegisterType(typeof(AnglesF), delegate(string value) { return(AnglesF.Parse(value)); }, AnglesF.Zero);
//AnglesD
RegisterType(typeof(Angles), delegate(string value) { return(Angles.Parse(value)); }, Angles.Zero);
//Mat2F
RegisterType(typeof(Matrix2F), delegate(string value) { return(Matrix2F.Parse(value)); }, Matrix2F.Zero);
//Mat2D
RegisterType(typeof(Matrix2), delegate(string value) { return(Matrix2.Parse(value)); }, Matrix2.Zero);
//Mat3F
RegisterType(typeof(Matrix3F), delegate(string value) { return(Matrix3F.Parse(value)); }, Matrix3F.Zero);
//Mat3D
RegisterType(typeof(Matrix3), delegate(string value) { return(Matrix3.Parse(value)); }, Matrix3.Zero);
//Mat4F
RegisterType(typeof(Matrix4F), delegate(string value) { return(Matrix4F.Parse(value)); }, Matrix4F.Zero);
//Mat4D
RegisterType(typeof(Matrix4), delegate(string value) { return(Matrix4.Parse(value)); }, Matrix4.Zero);
//PlaneF
RegisterType(typeof(PlaneF), delegate(string value) { return(PlaneF.Parse(value)); }, PlaneF.Zero);
//PlaneD
RegisterType(typeof(Plane), delegate(string value) { return(Plane.Parse(value)); }, Plane.Zero);
//Transform
RegisterType(typeof(Transform), delegate(string value) { return(Transform.Parse(value)); }, Transform.Identity);
//UIMeasureValueDouble
RegisterType(typeof(UIMeasureValueDouble), delegate(string value) { return(UIMeasureValueDouble.Parse(value)); }, new UIMeasureValueDouble());
//UIMeasureValueVec2
RegisterType(typeof(UIMeasureValueVector2), delegate(string value) { return(UIMeasureValueVector2.Parse(value)); }, new UIMeasureValueVector2());
//UIMeasureValueRect
RegisterType(typeof(UIMeasureValueRectangle), delegate(string value) { return(UIMeasureValueRectangle.Parse(value)); }, new UIMeasureValueRectangle());
RegisterType(typeof(RangeVector3F), delegate(string value) { return(RangeVector3F.Parse(value)); }, RangeVector3F.Zero);
RegisterType(typeof(RangeColorValue), delegate(string value) { return(RangeColorValue.Parse(value)); }, RangeColorValue.Zero);
//no Parse methods. This is complex structures. This is not simple types? or just can't parse?
//Box
//Capsule
//Cone
//Line3
//Line2
//Ray
//Frustum?
RegisterConvertDoubleToFloatTypes();
}
/// <summary>
/// Creates an instance of <see cref="PlaneF"/> with the normal and the point.
/// </summary>
/// <param name="point">Any point that lies along the plane.</param>
/// <param name="normal">The normal vector to the plane.</param>
/// <param name="plane">When the method completes, contains the resulting plane.</param>
public static void FromPointAndNormal(ref Vector3F point, ref Vector3F normal, out PlaneF plane)
{
float distance = Vector3F.Dot(ref point, ref normal);
plane = new PlaneF(normal, distance);
}
/// <summary>
/// Creates an instance of <see cref="PlaneF"/> with point and two direction vectors.
/// </summary>
/// <param name="dir1">The first direction vector.</param>
/// <param name="dir2">The second direction vector.</param>
/// <param name="p">The point that is the start of direction vectors.</param>
/// <param name="result">When the method completes, contains the resulting plane.</param>
public static void FromVectors(ref Vector3F dir1, ref Vector3F dir2, ref Vector3F p, out PlaneF result)
{
Vector3F normal;
Vector3F.Cross(ref dir1, ref dir2, out normal);
normal.Normalize();
result.A = normal.X;
result.B = normal.Y;
result.C = normal.Z;
result.D = -(normal.X * p.X + normal.Y * p.Y + normal.Z * p.Z);
}
public float GetPlaneDistance(PlaneF plane)
{
return(GetPlaneDistance(ref plane));
}
public PlaneF.Side GetPlaneSide(PlaneF plane)
{
return(GetPlaneSide(ref plane));
}
