public static ShapeDescription DrawRectangle(Vector3 position, Size size, Color4[] colors)
{
ushort[] indices;
ColoredVertex[] vertices = PolyMesh.CreateQuad(position.ToVector4(), size.Width, size.Height,
colors, out indices);
return new ShapeDescription
{
Vertices = vertices,
Indices = indices,
Primitives = 2,
Shape = Shape.Rectangle
};
}
/// <summary>
/// Extends a Vector4 to a Vector3.
/// </summary>
/// <param name="vector4">Extended SharpDX Vector4 (From)</param>
/// <param name="toVector3">SharpDX Vector3 (To)</param>
/// <param name="distance">Distance (float units)</param>
/// <returns>Extended Vector4</returns>
public static Vector4 Extend(this Vector4 vector4, Vector3 toVector3, float distance)
{
return vector4 + distance * (toVector3.ToVector4() - vector4).Normalized();
}
/// <summary>
/// Calculates the squared distance between two vectors.
/// </summary>
/// <param name="vector4">Extended SharpDX Vector4</param>
/// <param name="toVector3">SharpDX Vector3</param>
/// <returns>The squared distance between the two vectors.</returns>
public static float DistanceSquared(this Vector4 vector4, Vector3 toVector3)
{
return Vector4.DistanceSquared(vector4, toVector3.ToVector4());
}