/// <summary>
/// default generates geometry to draw window as a single quad.
/// </summary>
protected virtual void RealiseGeometryImpl()
{
var tex = d_textarget.GetTexture();
var tu = d_size.Width * tex.GetTexelScaling().X;
var tv = d_size.Height * tex.GetTexelScaling().Y;
var texRect = d_textarget.IsRenderingInverted()
? new Rectf(0, 1, tu, 1 - tv)
: new Rectf(0, 0, tu, tv);
var area = new Rectf(0, 0, d_size.Width, d_size.Height);
var c = new Lunatics.Mathematics.Vector4(1f, 1f, 1f, 1f);
var vbuffer = new TexturedColouredVertex[6];
// vertex 0
vbuffer[0].Position = new Lunatics.Mathematics.Vector3(area.d_min.X, area.d_min.Y, 0.0f);
vbuffer[0].Colour = c;
vbuffer[0].TextureCoordinates = new Lunatics.Mathematics.Vector2(texRect.d_min.X, texRect.d_min.Y);
// vertex 1
vbuffer[1].Position = new Lunatics.Mathematics.Vector3(area.d_min.X, area.d_max.Y, 0.0f);
vbuffer[1].Colour = c;
vbuffer[1].TextureCoordinates = new Lunatics.Mathematics.Vector2(texRect.d_min.X, texRect.d_max.Y);
// vertex 2
vbuffer[2].Position = new Lunatics.Mathematics.Vector3(area.d_max.X, area.d_max.Y, 0.0f);
vbuffer[2].Colour = c;
vbuffer[2].TextureCoordinates = new Lunatics.Mathematics.Vector2(texRect.d_max.X, texRect.d_max.Y);
// vertex 3
vbuffer[3].Position = new Lunatics.Mathematics.Vector3(area.d_max.X, area.d_min.Y, 0.0f);
vbuffer[3].Colour = c;
vbuffer[3].TextureCoordinates = new Lunatics.Mathematics.Vector2(texRect.d_max.X, texRect.d_min.Y);
// vertex 4
vbuffer[4].Position = new Lunatics.Mathematics.Vector3(area.d_min.X, area.d_min.Y, 0.0f);
vbuffer[4].Colour = c;
vbuffer[4].TextureCoordinates = new Lunatics.Mathematics.Vector2(texRect.d_min.X, texRect.d_min.Y);
// vertex 5
vbuffer[5].Position = new Lunatics.Mathematics.Vector3(area.d_max.X, area.d_max.Y, 0.0f);
vbuffer[5].Colour = c;
vbuffer[5].TextureCoordinates = new Lunatics.Mathematics.Vector2(texRect.d_max.X, texRect.d_max.Y);
d_geometry.SetTexture("texture0", tex);
d_geometry.AppendGeometry(vbuffer);
}
/// <summary>
/// Sets the colour of the struct
/// </summary>
/// <param name="colour"></param>
public void SetColour(Colour colour)
{
Colour = new Lunatics.Mathematics.Vector4(colour.Red, colour.Green, colour.Blue, colour.Alpha);
}
