/// <summary>
/// Draws a billboard in world space facing the +Z direction of the matrix specified. Units in meters, matrix
/// transform notwithstanding.
/// </summary>
public void Draw(ref CroppedBox box, MatrixD[] matrixRef)
{
FlatQuad quad = new FlatQuad()
{
Point0 = box.bounds.Max,
Point1 = new Vector2(box.bounds.Max.X, box.bounds.Min.Y),
Point2 = box.bounds.Min,
Point3 = new Vector2(box.bounds.Min.X, box.bounds.Max.Y),
};
if (skewRatio != 0f)
{
Vector2 start = quad.Point0, end = quad.Point3,
offset = (end - start) * skewRatio * .5f;
quad.Point0 = Vector2.Lerp(start, end, skewRatio) - offset;
quad.Point3 = Vector2.Lerp(start, end, 1f + skewRatio) - offset;
quad.Point1 -= offset;
quad.Point2 -= offset;
}
BillBoardUtils.AddQuad(ref quad, ref materialData, matrixRef, box.mask);
}
/// <summary>
/// Draws a billboard in world space using the quad specified.
/// </summary>
public void Draw(ref MyQuadD quad)
{
BillBoardUtils.AddQuad(ref materialData, ref quad);
}