Axiom.Core.BillboardSet.CreateBillboard C# (CSharp) Method

		public Billboard CreateBillboard( Vector3 position, ColorEx color )
		{
			// see if we need to auto extend the free billboard pool
			if ( this.freeBillboards.Count == 0 )
			{
				if ( this.autoExtendPool )
				{
					this.PoolSize = this.PoolSize * 2;
				}
				else
				{
					throw new AxiomException( "Could not create a billboard with AutoSize disabled and an empty pool." );
				}
			}

			// get the next free billboard from the queue
			Billboard newBillboard = this.freeBillboards[ 0 ];
			this.freeBillboards.RemoveAt( 0 );

			// add the billboard to the active list
			this.activeBillboards.Add( newBillboard );

			// initialize the billboard
			newBillboard.Position = position;
			newBillboard.Color = color;
			newBillboard.Direction = Vector3.Zero;
			newBillboard.Rotation = 0;
			// newBillboard.TexCoordIndex = 0;
			newBillboard.ResetDimensions();
			newBillboard.NotifyOwner( this );

			// Merge into bounds
			float adjust = Utility.Max( this.defaultParticleWidth, this.defaultParticleHeight );
			Vector3 adjustVec = new Vector3( adjust, adjust, adjust );
			Vector3 newMin = position - adjustVec;
			Vector3 newMax = position + adjustVec;

			this.aab.Merge( new AxisAlignedBox( newMin, newMax ) );

			float sqlen = (float)Utility.Max( newMin.LengthSquared, newMax.LengthSquared );
			this.boundingRadius = (float)Utility.Max( this.boundingRadius, Utility.Sqrt( sqlen ) );

			return newBillboard;
		}