private void DrawCutawayPlane(ObiDistanceField field, Matrix4x4 matrix)
{
if (field == null)
{
return;
}
RefreshCutawayTexture(field);
material.mainTexture = cutawayTexture;
material.SetPass(0);
Quaternion rotation = Quaternion.identity;
Vector3 offset = Vector3.zero;
offset[(int)axis] = field.FieldBounds.size[0];
if (axis == Axis.Y)
{
rotation = Quaternion.Euler(90, 0, 0);
}
else if (axis == Axis.X)
{
rotation = Quaternion.Euler(0, -90, 0);
}
Matrix4x4 sc = Matrix4x4.TRS(field.FieldBounds.center + offset * (slice - 0.5f), rotation, Vector3.one * field.FieldBounds.size[0]);
Graphics.DrawMeshNow(planeMesh, matrix * sc);
}
public ObiDistanceFieldShapeTracker(ObiDistanceField distanceField)
{
this.distanceField = distanceField;
adaptor.is2D = false;
oniShape = Oni.CreateShape(Oni.ShapeType.SignedDistanceField);
fieldDataHasChanged = true;
}
public ObiDistanceFieldHandle GetOrCreateDistanceField(ObiDistanceField source)
{
ObiDistanceFieldHandle handle;
if (!handles.TryGetValue(source, out handle))
{
handle = new ObiDistanceFieldHandle(source, headers.count);
handles.Add(source, handle);
headers.Add(new DistanceFieldHeader(dfNodes.count, source.nodes.Count));
dfNodes.AddRange(source.nodes);
}
return(handle);
}
private void RefreshCutawayTexture(ObiDistanceField field)
{
if (field == null)
{
return;
}
Bounds b = field.FieldBounds;
sampleSize = field.EffectiveSampleSize;
sampleCount = (int)(b.size[0] / sampleSize) + 1;
CreatePlaneMesh(field);
ResizeTexture();
float sweep = (sampleCount * slice) * sampleSize;
Vector3 origin = b.center - b.extents;
for (int x = 0; x < sampleCount; ++x)
{
for (int y = 0; y < sampleCount; ++y)
{
Vector3 offset = Vector3.zero;
switch (axis)
{
case Axis.X: offset = new Vector3(sweep, y * sampleSize, x * sampleSize); break;
case Axis.Y: offset = new Vector3(x * sampleSize, sweep, y * sampleSize); break;
case Axis.Z: offset = new Vector3(x * sampleSize, y * sampleSize, sweep); break;
}
Vector4 position = origin + offset;
float distance = Oni.SampleDistanceField(field.OniDistanceField, position.x, position.y, position.z);
float value = ObiUtils.Remap(distance, -maxDistance, maxDistance, 0, 1);
cutawayTexture.SetPixel(x, y, new Color(value, 0, 0));
}
}
cutawayTexture.Apply();
}
private void CreatePlaneMesh(ObiDistanceField field)
{
if (field != null && planeMesh == null)
{
float uvBorder = (1 - field.FieldBounds.size[0] / (sampleSize * sampleCount)) * 0.5f;
planeMesh = new Mesh();
planeMesh.vertices = new Vector3[] { new Vector3(-0.5f, -0.5f, 0),
new Vector3(0.5f, -0.5f, 0),
new Vector3(-0.5f, 0.5f, 0),
new Vector3(0.5f, 0.5f, 0) };
planeMesh.uv = new Vector2[] { new Vector2(uvBorder, uvBorder),
new Vector2(1 - uvBorder, uvBorder),
new Vector2(uvBorder, 1 - uvBorder),
new Vector2(1 - uvBorder, 1 - uvBorder) };
planeMesh.normals = new Vector3[] { -Vector3.forward, -Vector3.forward, -Vector3.forward, -Vector3.forward };
planeMesh.triangles = new int[] { 0, 2, 1, 2, 3, 1 };
}
}
public ObiDistanceFieldHandle GetOrCreateDistanceField(ObiDistanceField df)
{
return(distanceFieldContainer.GetOrCreateDistanceField(df));
}
public void OnEnable()
{
distanceField = (ObiDistanceField)target;
previewHelper = new PreviewHelpers();
UpdatePreview();
}
public ObiDistanceFieldShapeTracker(ObiCollider source, Component collider, ObiDistanceField distanceField)
{
this.source = source;
this.collider = collider;
this.distanceField = distanceField;
}