/// <summary>
/// Create a new instance of the <see cref="HollowCylinder" />.
/// </summary>
/// <param name="radius">The radius of the cylinder.</param>
/// <param name="height">The height of the cylinder.</param>
/// <param name="segmentAngle">The angle of each of cegments of the cylinder.</param>
/// <returns></returns>
public static HollowCylinder Create(int radius, int height, int segmentAngle)
{
var hollowCylinder = new HollowCylinder {
_radius = radius, _height = height, _segmentAngle = segmentAngle
};
HollowCylinderBuilder.Build(radius, height, segmentAngle, hollowCylinder);
return(hollowCylinder);
}
/// <summary>
/// Build a new <see cref="HollowCylinder" />.
/// </summary>
/// <param name="radius">The radius of the cylinder.</param>
/// <param name="height">The height of the cylinder.</param>
/// <param name="segmentAngle">The angle of segments of the cylinder.</param>
/// <param name="hollowCylinder"></param>
public static void Build(float radius, float height, float segmentAngle, HollowCylinder hollowCylinder)
{
if (radius <= float.Epsilon || segmentAngle <= float.Epsilon)
return;
if(hollowCylinder.UVs.Count == 0)
AddTextureCoordinates(hollowCylinder);
const float centerX = 0;
const float centerY = 0;
var initVerticesCount = hollowCylinder.Vertices.Count;
foreach (var pos in GetPositionsForCircle(radius, centerX, centerY, segmentAngle))
AddFace(pos.X, pos.Y, height, hollowCylinder, 0, initVerticesCount);
}
/// <summary>
/// Create a new instance of the <see cref="HollowCylinder" />.
/// </summary>
/// <param name="radius">The radius of the cylinder.</param>
/// <param name="height">The height of the cylinder.</param>
/// <param name="segmentAngle">The angle of each of cegments of the cylinder.</param>
/// <returns></returns>
public static HollowCylinder Create(int radius, int height, int segmentAngle)
{
var hollowCylinder = new HollowCylinder {_radius = radius, _height = height, _segmentAngle = segmentAngle};
HollowCylinderBuilder.Build(radius, height, segmentAngle, hollowCylinder);
return hollowCylinder;
}
