public static void RecenterPivot(FScene scene, DMeshSO so, PivotLocation location, bool bInteractive)
{
if (so.Parent != scene)
{
DebugUtil.Log("OrientationChanges.RecenterPivot: tried to recenter pivot on non-scene-child");
return;
}
Frame3f sceneL = SceneTransforms.SceneToObject(so, Frame3f.Identity);
AxisAlignedBox3d sceneBoundsL = AxisAlignedBox3d.Empty;
so.SafeMeshRead((mesh) => {
sceneBoundsL = MeshMeasurements.BoundsInFrame(mesh, sceneL);
return(null);
});
Vector3d originL = sceneBoundsL.Center;
if (location == PivotLocation.BaseCenter)
{
originL -= sceneBoundsL.Extents.y * Vector3d.AxisY;
}
Frame3f newFrameL = new Frame3f(originL);
RepositionPivotChangeOp change = new RepositionPivotChangeOp(newFrameL, so);
scene.History.PushChange(change, false);
if (bInteractive)
{
scene.History.PushInteractionCheckpoint();
}
}
/// <summary>
/// Set the pivot point for a mesh to either the center, or a corner point of the bounding box.
/// </summary>
/// <param name="mesh">The <see cref="ProBuilderMesh"/> to adjust vertices for a new pivot point.</param>
/// <param name="pivotLocation">The new pivot point is either the center of the mesh bounding box, or
/// the bounds center - extents.</param>
internal static void SetPivot(this ProBuilderMesh mesh, PivotLocation pivotLocation)
{
var bounds = mesh.GetBounds();
var pivot = pivotLocation == PivotLocation.Center ? bounds.center : bounds.center - bounds.extents;
SetPivot(mesh, mesh.transform.TransformPoint(pivot));
}
/// <summary>
/// Create a shape with default parameters.
/// </summary>
/// <param name="shapeType">The ShapeType to create.</param>
/// <param name="pivotType">Where the shape's pivot will be.</param>
/// <returns>A new GameObject with the ProBuilderMesh initialized to the primitive shape.</returns>
public static ProBuilderMesh Instantiate(Type shapeType, PivotLocation pivotType = PivotLocation.Center)
{
if (shapeType == null)
{
throw new ArgumentNullException("shapeType", "Cannot instantiate a null shape.");
}
if (shapeType.IsAssignableFrom(typeof(Shape)))
{
throw new ArgumentException("Type needs to derive from Shape");
}
try
{
var shape = Activator.CreateInstance(shapeType,
BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.CreateInstance,
null, null, null, null) as Shape;
return(Instantiate(shape, pivotType));
}
catch (Exception e)
{
Debug.LogError($"Failed creating shape \"{shapeType}\". Shapes must contain an empty constructor.\n{e}");
}
return(null);
}
static ProBuilderMesh GenerateCone(PivotLocation pivotType, float radius, float height, int subdivAxis)
{
ProBuilderMesh pb = ShapeFactory.Instantiate(typeof(Cone), pivotType);
Cone cone = pb.GetComponent <ShapeComponent>().shape as Cone;
cone.m_NumberOfSides = subdivAxis;
cone.RebuildMesh(pb, new Vector3(radius, height, radius), Quaternion.identity);
pb.RefreshUV(pb.faces);
return(pb);
}
internal static void SetPivot(this ProBuilderMesh mesh, PivotLocation pivotType, int firstVertexIndex = 0)
{
switch (pivotType)
{
case PivotLocation.Center:
mesh.CenterPivot(null);
break;
case PivotLocation.FirstVertex:
mesh.CenterPivot(new int[1] {
firstVertexIndex
});
break;
}
}
public static Vector3 ChangePivot(ref List <Vector3> vertices, PivotLocation pivotLocation)
{
var pivotxMin = vertices.Select(i => i.x).Min();
var pivotzMin = vertices.Select(i => i.z).Min();
var pivotyMin = vertices.Select(i => i.y).Min();
var pivotxMax = vertices.Select(i => i.x).Max();
var pivotzMax = vertices.Select(i => i.z).Max();
var pivotyMax = vertices.Select(i => i.y).Max();
var PivotPoint = new Vector3((pivotxMin + pivotxMax) / 2, (pivotyMin + pivotyMax) / 2, (pivotzMin + pivotzMax) / 2);
for (int i = 0; i < vertices.Count; i++)
{
vertices[i] -= PivotPoint;
}
return(PivotPoint);
}
internal static void SetPivot(this ProBuilderMesh mesh, PivotLocation pivotType, Vector3?pivotPosition = null)
{
if (mesh.vertexCount == 0)
{
return;
}
switch (pivotType)
{
case PivotLocation.Center:
mesh.CenterPivot(null);
break;
case PivotLocation.FirstCorner:
mesh.SetPivot(pivotPosition == null ? Vector3.zero : (Vector3)pivotPosition);
break;
}
}
/// <summary>
/// Create a shape with default parameters.
/// </summary>
/// <param name="shape">The ShapeType to create.</param>
/// <param name="pivotType">Where the shape's pivot will be.</param>
/// <returns>A new GameObject with the ProBuilderMesh initialized to the primitive shape.</returns>
public static ProBuilderMesh Instantiate(Shape shape, PivotLocation pivotType = PivotLocation.Center)
{
if (shape == null)
{
throw new ArgumentNullException("shape", "Cannot instantiate a null shape.");
}
var shapeComponent = new GameObject("Shape").AddComponent <ProBuilderShape>();
shapeComponent.SetShape(shape, pivotType);
ProBuilderMesh pb = shapeComponent.mesh;
pb.renderer.sharedMaterial = BuiltinMaterials.defaultMaterial;
var attribute = Attribute.GetCustomAttribute(shape.GetType(), typeof(ShapeAttribute));
if (attribute is ShapeAttribute shapeAttrib)
{
pb.gameObject.name = shapeAttrib.name;
}
return(pb);
}
/// <summary>
/// Create a shape with default parameters.
/// </summary>
/// <param name="pivotType">Where the shape's pivot will be.</param>
/// <returns>A new GameObject with the ProBuilderMesh initialized to the primitive shape.</returns>
public static ProBuilderMesh Instantiate <T>(PivotLocation pivotType = PivotLocation.Center) where T : Shape, new()
{
return(Instantiate(typeof(T)));
}