protected override void UpdateDrawable()
{
base.UpdateDrawable();
SFMLVertices = new VertexArray((PrimitiveType)PrimitiveType);
foreach (var v in Verts)
{
// Adjust texture for potential atlas offset.
v.U += TextureLeft;
v.V += TextureTop;
v.U = Util.Clamp(v.U, TextureLeft, TextureRight);
v.V = Util.Clamp(v.V, TextureTop, TextureBottom);
//copy to new vert and apply color and alpha
var vCopy = new Vert(v);
vCopy.Color *= Color;
vCopy.Color.A *= Alpha;
SFMLVertices.Append(vCopy);
}
}
public static void Append(this VertexArray vertices, Vert vert)
{
vertices.Append(vert.X, vert.Y, vert.Color, vert.U, vert.V);
}
/// <summary>
/// Create a new Vert.
/// </summary>
/// <param name="copy">A source Vert to copy.</param>
public Vert(Vert copy) : this(copy.X, copy.Y, copy.Color, copy.U, copy.V)
{
}
/// <summary>
/// Add a Vert.
/// </summary>
/// <param name="x">The X position.</param>
/// <param name="y">The Y position.</param>
public void Add(float x, float y)
{
var vert = new Vert(x, y);
Add(vert);
}
/// <summary>
/// Add a Vert.
/// </summary>
/// <param name="x">The X position.</param>
/// <param name="y">The Y position.</param>
/// <param name="color">The Color.</param>
public void Add(float x, float y, Color color)
{
var vert = new Vert(x, y, color);
Add(vert);
}
/// <summary>
/// Add a Vert.
/// </summary>
/// <param name="x">The X position.</param>
/// <param name="y">The Y position.</param>
/// <param name="u">The X position on the Texture.</param>
/// <param name="v">The Y position on the Texture.</param>
public void Add(float x, float y, float u, float v)
{
var vert = new Vert(x, y, u, v);
Add(vert);
}
/// <summary>
/// Add a Vert.
/// </summary>
/// <param name="x">The X position.</param>
/// <param name="y">The Y position.</param>
/// <param name="color">The Color.</param>
/// <param name="u">The X position on the Texture.</param>
/// <param name="v">The Y position on the Texture.</param>
public void Add(float x, float y, Color color, float u, float v)
{
var vert = new Vert(x, y, color, u, v);
Add(vert);
}