/// <summary>
/// Draws the control.
/// </summary>
protected override void Draw()
{
// Clear to the default control background color.
Color backColor = new Color(BackColor.R, BackColor.G, BackColor.B);
GraphicsDevice.Clear(backColor);
if (OldWidth != ClientSize.Width || OldHeight != ClientSize.Height)
{
Matrix Projection = Matrix.CreateOrthographicOffCenter(0, ClientSize.Width, ClientSize.Height, 0, 0, 1);
Matrix HalfPixelOffset = Matrix.CreateTranslation(-0.5f, -0.5f, 0);
PolygonEffect.Projection = HalfPixelOffset * Projection;
OldWidth = ClientSize.Width;
OldHeight = ClientSize.Height;
}
g.Begin();
if (EditOrigin && sprSource != null)
{
g.Draw(sprSource, new Vector2(0, 0), Color.White);
}
else
{
PolygonEffect.Texture = sprSource;
PolygonEffect.CurrentTechnique.Passes[0].Apply();
GraphicsDevice.RasterizerState = RasterizerState.CullNone;
foreach (Polygon ActivePolygon in ListPolygon)
{
ActivePolygon.Draw(GraphicsDevice);
}
}
//Draw selected polygons.
PolygonEffect.Texture = sprRedTexture;
PolygonEffect.CurrentTechnique.Passes[0].Apply();
GraphicsDevice.RasterizerState = RasterizerState.CullNone;
foreach (Polygon ActivePolygon in ListSelectedPolygon)
{
ActivePolygon.Draw(GraphicsDevice);
}
DrawPolygons(g);
if (SplittingPoint1 != SplittingPoint2)
{
DrawLine(g, SplittingPoint1, SplittingPoint2, Color.Black);
}
g.End();
}
public override void Draw(CustomSpriteBatch g, bool IsInEditMode)
{
foreach (Polygon ActivePolygon in ListPolygon)
{
ActivePolygon.Draw(g.GraphicsDevice);
}
if (IsInEditMode)
{
foreach (Polygon ActivePolygon in ListPolygon)
{
for (int I = 0; I < ActivePolygon.ArrayIndex.Length; I += 3)
{
Vector2 Vertex1 = ActivePolygon.ArrayVertex[ActivePolygon.ArrayIndex[I]];
Vector2 Vertex2 = ActivePolygon.ArrayVertex[ActivePolygon.ArrayIndex[I + 1]];
Vector2 Vertex3 = ActivePolygon.ArrayVertex[ActivePolygon.ArrayIndex[I + 2]];
g.DrawLine(GameScreen.sprPixel, Vertex1, Vertex2, Color.Black, 1);
g.DrawLine(GameScreen.sprPixel, Vertex2, Vertex3, Color.Black, 1);
g.DrawLine(GameScreen.sprPixel, Vertex3, Vertex1, Color.Black, 1);
}
}
}
}