/// <summary>
/// Determines whether a <see cref="OrientedBoundingBox"/> contains a point.
/// </summary>
/// <param name="point">The point to test.</param>
/// <returns>The type of containment the two objects have.</returns>
public ContainmentType Contains(ref Vector3 point)
{
// Transform the point into the obb coordinates
Matrix invTrans;
Matrix.Invert(ref Transformation, out invTrans);
Vector3 locPoint;
Vector3.TransformCoordinate(ref point, ref invTrans, out locPoint);
locPoint.X = Math.Abs(locPoint.X);
locPoint.Y = Math.Abs(locPoint.Y);
locPoint.Z = Math.Abs(locPoint.Z);
//Simple axes-aligned BB check
if (MathUtil.NearEqual(locPoint.X, Extents.X) && MathUtil.NearEqual(locPoint.Y, Extents.Y) && MathUtil.NearEqual(locPoint.Z, Extents.Z))
{
return(ContainmentType.Intersects);
}
if (locPoint.X < Extents.X && locPoint.Y < Extents.Y && locPoint.Z < Extents.Z)
{
return(ContainmentType.Contains);
}
else
{
return(ContainmentType.Disjoint);
}
}
/// <inheritdoc/>
public bool Equals(RectangleF other)
{
return(MathUtil.NearEqual(other.Left, Left) &&
MathUtil.NearEqual(other.Right, Right) &&
MathUtil.NearEqual(other.Top, Top) &&
MathUtil.NearEqual(other.Bottom, Bottom));
}
/// <summary>
/// Determines whether the specified <see cref="SharpDX.Matrix3x2"/> is equal to this instance.
/// </summary>
/// <param name="other">The <see cref="SharpDX.Matrix3x2"/> to compare with this instance.</param>
/// <returns>
/// <c>true</c> if the specified <see cref="SharpDX.Matrix3x2"/> is equal to this instance; otherwise, <c>false</c>.
/// </returns>
public bool Equals(Matrix3x2 other)
{
return(MathUtil.NearEqual(other.M11, M11) &&
MathUtil.NearEqual(other.M12, M12) &&
MathUtil.NearEqual(other.M21, M21) &&
MathUtil.NearEqual(other.M22, M22) &&
MathUtil.NearEqual(other.M31, M31) &&
MathUtil.NearEqual(other.M32, M32));
}
/// <summary>
/// Determines whether the specified <see cref="ViewportF"/> is equal to this instance.
/// </summary>
/// <param name="other">The <see cref="ViewportF"/> to compare with this instance.</param>
/// <returns>
/// <c>true</c> if the specified <see cref="ViewportF"/> is equal to this instance; otherwise, <c>false</c>.
/// </returns>
public bool Equals(ref ViewportF other)
{
return(MathUtil.NearEqual(X, other.X) &&
MathUtil.NearEqual(Y, other.Y) &&
MathUtil.NearEqual(Width, other.Width) &&
MathUtil.NearEqual(Height, other.Height) &&
MathUtil.NearEqual(MinDepth, other.MinDepth) &&
MathUtil.NearEqual(MaxDepth, other.MaxDepth));
}
/// <summary>
/// Determines whether a <see cref="OrientedBoundingBox"/> contains an array of points>.
/// </summary>
/// <param name="points">The points array to test.</param>
/// <returns>The type of containment.</returns>
public ContainmentType Contains(Vector3[] points)
{
Matrix invTrans;
Matrix.Invert(ref Transformation, out invTrans);
var containsAll = true;
var containsAny = false;
for (int i = 0; i < points.Length; i++)
{
Vector3 locPoint;
Vector3.TransformCoordinate(ref points[i], ref invTrans, out locPoint);
locPoint.X = Math.Abs(locPoint.X);
locPoint.Y = Math.Abs(locPoint.Y);
locPoint.Z = Math.Abs(locPoint.Z);
//Simple axes-aligned BB check
if (MathUtil.NearEqual(locPoint.X, Extents.X) &&
MathUtil.NearEqual(locPoint.Y, Extents.Y) &&
MathUtil.NearEqual(locPoint.Z, Extents.Z))
{
containsAny = true;
}
if (locPoint.X < Extents.X && locPoint.Y < Extents.Y && locPoint.Z < Extents.Z)
{
containsAny = true;
}
else
{
containsAll = false;
}
}
if (containsAll)
{
return(ContainmentType.Contains);
}
else if (containsAny)
{
return(ContainmentType.Intersects);
}
else
{
return(ContainmentType.Disjoint);
}
}
/// <summary>
/// Determines whether the specified <see cref="SharpDX.Matrix5x4"/> is equal to this instance.
/// </summary>
/// <param name="other">The <see cref="SharpDX.Matrix5x4"/> to compare with this instance.</param>
/// <returns>
/// <c>true</c> if the specified <see cref="SharpDX.Matrix5x4"/> is equal to this instance; otherwise, <c>false</c>.
/// </returns>
public bool Equals(Matrix5x4 other)
{
return(MathUtil.NearEqual(other.M11, M11) &&
MathUtil.NearEqual(other.M12, M12) &&
MathUtil.NearEqual(other.M13, M13) &&
MathUtil.NearEqual(other.M14, M14) &&
MathUtil.NearEqual(other.M21, M21) &&
MathUtil.NearEqual(other.M22, M22) &&
MathUtil.NearEqual(other.M23, M23) &&
MathUtil.NearEqual(other.M24, M24) &&
MathUtil.NearEqual(other.M31, M31) &&
MathUtil.NearEqual(other.M32, M32) &&
MathUtil.NearEqual(other.M33, M33) &&
MathUtil.NearEqual(other.M34, M34) &&
MathUtil.NearEqual(other.M41, M41) &&
MathUtil.NearEqual(other.M42, M42) &&
MathUtil.NearEqual(other.M43, M43) &&
MathUtil.NearEqual(other.M44, M44) &&
MathUtil.NearEqual(other.M51, M51) &&
MathUtil.NearEqual(other.M52, M52) &&
MathUtil.NearEqual(other.M53, M53) &&
MathUtil.NearEqual(other.M54, M54));
}
public bool Equals(ref Viewport other)
{
return(X == other.X && Y == other.Y && Width == other.Width && Height == other.Height && MathUtil.NearEqual(MinDepth, other.MinDepth) && MathUtil.NearEqual(MaxDepth, other.MaxDepth));
}