/// <summary>
/// Causes a direct screen paint rendering of a quad that covers the specified world area.
/// </summary>
/// <param name="area">The area in world space to render.</param>
public void DirectScreenPaint(VertexPrimitive area)
{
VertexPrimitive pixelArea = this.gameWorld.GetPixelFromWorld(area);
// Render the quad
this.GraphicsDevice.DrawUserPrimitives(pixelArea.PrimitiveType, pixelArea.GetVertexData(), 0, pixelArea.Count - 2, VertexPositionTexture.VertexDeclaration);
}
/// <summary>
/// Initializes a new instance of the <see cref="VertexPrimitive"/> class for an existing instance and applies the specified scale to all vertices.
/// </summary>
/// <param name="source">The source vertex primitive.</param>
/// <param name="scale">The scale factor.</param>
public VertexPrimitive(VertexPrimitive source, float scale)
: this(source.primitiveType, source.Count)
{
foreach (Vector2 currVector in source)
{
this.Add(currVector * scale);
}
}
/// <summary>
/// Converts world units to pixel units.
/// </summary>
/// <param name="world">The world value.</param>
/// <returns>The pixel version of the world value.</returns>
public VertexPrimitive GetPixelFromWorld(VertexPrimitive world)
{
return(new VertexPrimitive(world, this.PixelPerWorldRatio));
}
