public void Reset()
{
curveSegments = kDefaultCurveSegments;
path = new ChiselPath(ChiselPath.Default);
shape = new Curve2D(kDefaultShape);
if (surfaceDefinition != null)
{
surfaceDefinition.Reset();
}
}
public static ChiselBlobAssetReference <ChiselPathBlob> Convert(ChiselPath path, Allocator allocator)
{
path.UpgradeIfNecessary();
using (var builder = new ChiselBlobBuilder(Allocator.Temp))
{
ref var root = ref builder.ConstructRoot <ChiselPathBlob>();
var srcControlPoints = path.segments;
var dstControlPoints = builder.Allocate(ref root.segments, srcControlPoints.Length);
for (int i = 0; i < srcControlPoints.Length; i++)
{
dstControlPoints[i] = Convert(srcControlPoints[i]);
}
return(builder.CreateBlobAssetReference <ChiselPathBlob>(allocator));
}
public void OnEdit(IChiselHandles handles)
{
var baseColor = handles.color;
var noZTestcolor = handles.GetStateColor(baseColor, false, true);
var zTestcolor = handles.GetStateColor(baseColor, false, false);
path.UpgradeIfNecessary();
for (int i = 0; i < path.segments.Length; i++)
{
var pathPoint = path.segments[i];
var currMatrix = pathPoint.ToMatrix();
handles.color = baseColor;
handles.DoShapeHandle(ref shape, currMatrix);
if (i == 0)
{
if (handles.DoDirectionHandle(ref pathPoint.position, -(pathPoint.rotation * Vector3.forward)))
{
path.segments[i] = pathPoint;
path = new ChiselPath(path);
}
}
else
if (i == path.segments.Length - 1)
{
if (handles.DoDirectionHandle(ref pathPoint.position, (pathPoint.rotation * Vector3.forward)))
{
path.segments[i] = pathPoint;
path = new ChiselPath(path);
}
}
// Draw lines between different segments
if (i + 1 < path.segments.Length)
{
var nextPoint = path.segments[i + 1];
var nextMatrix = nextPoint.ToMatrix();
var controlPoints = shape.controlPoints;
for (int c = 0; c < controlPoints.Length; c++)
{
var controlPoint = controlPoints[c].position;
var pointA = currMatrix.MultiplyPoint(controlPoint);
var pointB = nextMatrix.MultiplyPoint(controlPoint);
handles.color = noZTestcolor;
handles.DrawLine(pointA, pointB, lineMode: LineMode.NoZTest, thickness: kCapLineThickness, dashSize: kLineDash);
handles.color = zTestcolor;
handles.DrawLine(pointA, pointB, lineMode: LineMode.ZTest, thickness: kCapLineThickness, dashSize: kLineDash);
}
{
var pointA = currMatrix.MultiplyPoint(Vector3.zero);
var pointB = nextMatrix.MultiplyPoint(Vector3.zero);
handles.color = zTestcolor;
handles.DrawLine(pointA, pointB, lineMode: LineMode.NoZTest, thickness: kCapLineThickness, dashSize: kLineDash);
handles.color = zTestcolor;
handles.DrawLine(pointA, pointB, lineMode: LineMode.ZTest, thickness: kCapLineThickness, dashSize: kLineDash);
}
handles.color = baseColor;
}
// TODO: cannot rotate so far that one path plane intersects with shape on another plane
// ... or just fail when it's wrong?
}
for (int i = 0; i < path.segments.Length; i++)
{
var pathPoint = path.segments[i];
if (handles.DoPathPointHandle(ref pathPoint))
{
var originalSegments = path.segments;
var newPath = new ChiselPath(new ChiselPathPoint[originalSegments.Length]);
System.Array.Copy(originalSegments, newPath.segments, originalSegments.Length);
newPath.segments[i] = pathPoint;
path = newPath;
}
}
// TODO: draw curved path
}
public ChiselPath(ChiselPath other)
{
this.segments = other.segments.ToArray();
}