/// <summary>
/// Generates the text mesh by extruding the vector font for each character of the current
/// text.
/// </summary>
private void GenerateTextMesh()
{
//Create the text mesh using the font and the current text.
Nuclex.Fonts.Text mesh = mFont.Extrude(mText);
mWidth = mesh.Width;
//Align the text.
for (int i = 0; i < mesh.Vertices.Length; ++i)
{
Matrix alignTransform = Matrix.Identity;
if (mTextAlign == TEXT_ALIGN.ALIGN_CENTER)
{
alignTransform = Matrix.CreateTranslation(new Vector3(-this.mWidth / 2, 0, 0));
}
else if (mTextAlign == TEXT_ALIGN.ALIGH_RIGHT)
{
alignTransform = Matrix.CreateTranslation(new Vector3(-this.Width, 0, 0));
}
mesh.Vertices[i].Position = Vector3.Transform(mesh.Vertices[i].Position, alignTransform);
}
int vertexCount = mesh.Vertices.Length;
int indexCount = mesh.Indices.Length;
if (vertexCount == 0 || indexCount == 0)
{
this.VertexBuffer = null;
this.IndexBuffer = null;
this.PrimitiveCount = 0;
return;
}
//Create the vertex buffer.
VertexBuffer vb = new VertexBuffer(Root.GraphicsDevice,
typeof(VertexPositionNormalTexture), vertexCount, BufferUsage.None);
vb.SetData <VertexPositionNormalTexture>(mesh.Vertices);
//Create the index buffer.
IndexBuffer ib = new IndexBuffer(Root.GraphicsDevice, IndexElementSize.SixteenBits,
indexCount, BufferUsage.None);
ib.SetData <short>(mesh.Indices);
this.VertexBuffer = vb;
this.IndexBuffer = ib;
this.PrimitiveType = mesh.PrimitiveType;
this.PrimitiveCount = VertexHelper.GetPrimitiveCount(indexCount, this.PrimitiveType);
}
/// <summary>Draws a line of text to the screen</summary>
/// <param name="text">Pregenerated text mesh to draw to the screen</param>
/// <param name="effect">Custom effect with which to draw the text</param>
public void DrawText(Text text, Effect effect) {
this.primitiveBatch.Draw(
text.Vertices, text.Indices, text.PrimitiveType,
new EffectDrawContext(effect)
);
}
/// <summary>Draws a line of text to the screen</summary>
/// <param name="text">Pregenerated text mesh to draw to the screen</param>
/// <param name="color">Color and opacity with which to draw the text</param>
/// <param name="transform">Transformation matrix to apply to the text</param>
public void DrawText(Text text, Matrix transform, Color color) {
this.primitiveBatch.Draw(
text.Vertices, text.Indices, text.PrimitiveType,
new TextDrawContext(
this.solidColorEffect, transform * this.viewProjection, color
)
);
}
private void CreateShape()
{
switch (styleToUse)
{
case UI3DRenderer.Text3DStyle.Outline:
basicTextIn3D = basicTextVectorFont.Outline(basicTextToRender);
break;
case UI3DRenderer.Text3DStyle.Fill:
basicTextIn3D = basicTextVectorFont.Fill(basicTextToRender);
break;
case UI3DRenderer.Text3DStyle.Extrude:
basicTextIn3D = basicTextVectorFont.Extrude(basicTextToRender);
break;
}
}