/// <summary>
/// Draws a polygon using billboards
/// </summary>
public virtual void Draw(Vector2 size, Vector2 origin, MatrixD[] matrixRef)
{
if (_sides > 2 && drawVertices.Count > 2)
{
if (updateVertices)
{
GeneratePolygon();
}
if (updateMatFit)
{
polyMat.texBounds = matFrame.GetMaterialAlignment(size.X / size.Y);
GenerateTextureCoordinates();
updateMatFit = false;
}
// Generate final vertices for drawing from unscaled vertices
for (int i = 0; i < drawVertices.Count; i++)
{
drawVertices[i] = origin + size * vertices[i];
}
BillBoardUtils.AddTriangles(triangles, drawVertices, ref polyMat, matrixRef);
}
}
/// <summary>
/// Draws a billboard in world space facing the +Z direction of the matrix given. Units in meters,
/// matrix transform notwithstanding. Dont forget to compensate for perspective scaling!
/// </summary
public void Draw(ref CroppedBox box, ref MatrixD matrix)
{
ContainmentType containment = ContainmentType.Contains;
if (box.mask != null)
{
box.mask.Value.Contains(ref box.bounds, out containment);
}
if (containment != ContainmentType.Disjoint)
{
if (updateMatFit && matFrame.Material != Material.Default)
{
Vector2 boxSize = box.bounds.Size;
minBoard.texCoords = matFrame.GetMaterialAlignment(boxSize.X / boxSize.Y);
updateMatFit = false;
}
if (containment == ContainmentType.Contains)
{
minBoard.Draw(ref box, ref matrix);
}
else if (containment == ContainmentType.Intersects && matFrame.Material == Material.Default)
{
minBoard.DrawCropped(ref box, ref matrix);
}
else
{
minBoard.DrawCroppedTex(ref box, ref matrix);
}
}
}
public Glyph(Material atlas, Vector2 size, Vector2 origin, float aw, float lsb)
{
advanceWidth = aw;
leftSideBearing = lsb;
matFrame = new MaterialFrame()
{
Material = new Material(atlas.TextureID, atlas.size, origin, size),
Alignment = MaterialAlignment.FitHorizontal,
};
Vector2 bbSize = matFrame.Material.size;
texCoords = matFrame.GetMaterialAlignment(bbSize.X / bbSize.Y);
MatFrame = matFrame;
}
/// <summary>
/// Draws a billboard in world space facing the +Z direction of the matrix given. Units in meters,
/// matrix transform notwithstanding. Dont forget to compensate for perspective scaling!
/// </summary
public void Draw(ref CroppedBox box, MatrixD[] matrixRef)
{
ContainmentType containment = ContainmentType.Contains;
if (box.mask != null)
{
box.mask.Value.Contains(ref box.bounds, out containment);
}
if (containment != ContainmentType.Disjoint)
{
if (updateMatFit && matFrame.Material != Material.Default)
{
Vector2 boxSize = box.bounds.Size;
minBoard.materialData.texBounds = matFrame.GetMaterialAlignment(boxSize.X / boxSize.Y);
updateMatFit = false;
}
if (containment != ContainmentType.Disjoint)
{
minBoard.Draw(ref box, matrixRef);
}
}
}