FarseerPhysics.Common.PolygonTools.createGear C# (CSharp) Method

		public static Vertices createGear( float radius, int numberOfTeeth, float tipPercentage, float toothHeight )
		{
			var vertices = new Vertices();

			float stepSize = MathHelper.TwoPi / numberOfTeeth;
			tipPercentage /= 100f;
			MathHelper.Clamp( tipPercentage, 0f, 1f );
			float toothTipStepSize = ( stepSize / 2f ) * tipPercentage;

			float toothAngleStepSize = ( stepSize - ( toothTipStepSize * 2f ) ) / 2f;

			for( int i = numberOfTeeth - 1; i >= 0; --i )
			{
				if( toothTipStepSize > 0f )
				{
					vertices.Add(
						new Vector2( radius *
									(float)Math.Cos( stepSize * i + toothAngleStepSize * 2f + toothTipStepSize ),
									-radius *
									(float)Math.Sin( stepSize * i + toothAngleStepSize * 2f + toothTipStepSize ) ) );

					vertices.Add(
						new Vector2( ( radius + toothHeight ) *
									(float)Math.Cos( stepSize * i + toothAngleStepSize + toothTipStepSize ),
									-( radius + toothHeight ) *
									(float)Math.Sin( stepSize * i + toothAngleStepSize + toothTipStepSize ) ) );
				}

				vertices.Add( new Vector2( ( radius + toothHeight ) *
										 (float)Math.Cos( stepSize * i + toothAngleStepSize ),
										 -( radius + toothHeight ) *
										 (float)Math.Sin( stepSize * i + toothAngleStepSize ) ) );

				vertices.Add( new Vector2( radius * (float)Math.Cos( stepSize * i ),
										 -radius * (float)Math.Sin( stepSize * i ) ) );
			}

			return vertices;
		}