public static IBuffer<float> CreateVertexBuffer(double[] points, ref BoundingBox bounds)
{
int length = points.Length;
var buffer = new VertexBuffer(length);
bounds.Reset();
var data = buffer.Data;
float x, y;
length = length >> 1;
for (int i = 0; i < length; i++)
{
x = (float)points[2 * i];
y = (float)points[2 * i + 1];
data[2 * i] = x;
data[2 * i + 1] = y;
bounds.Update(x, y);
}
return buffer as IBuffer<float>;
}
public static IBuffer<float> CreateVertexBuffer(ICollection<Point> points, ref BoundingBox bounds)
{
var buffer = new VertexBuffer(2 * points.Count);
bounds.Reset();
var data = buffer.Data;
float x, y;
int i = 0;
foreach (var p in points)
{
x = (float)p.X;
y = (float)p.Y;
data[2 * i] = x;
data[2 * i + 1] = y;
bounds.Update(x, y);
i++;
}
return buffer as IBuffer<float>;
}
/// <summary>
/// Adds a point to the geometry.
/// </summary>
/// <param name="x">X coordinate.</param>
/// <param name="y">Y coordinate.</param>
/// <param name="boundary">Boundary marker.</param>
public void AddPoint(double x, double y, int boundary)
{
points.Add(new Vertex(x, y, boundary));
bounds.Update(x, y);
}
/// <summary>
/// Adds a point to the geometry.
/// </summary>
/// <param name="x">X coordinate.</param>
/// <param name="y">Y coordinate.</param>
/// <param name="boundary">Boundary marker.</param>
public void AddPoint(float x, float y, int boundary)
{
points.Add(new Vertex(x, y, boundary));
bounds.Update(x, y);
}