public override void Use(SculptState state, Deformer deformer)
{
deformer.UpdateMask(state);
var mask = deformer.Selection;
var edgeRecorder = new HashSet <int>();
Vector3[] deformation = deformer.Deformation;
for (int i = 0; i < deformer.SelectionCount; i++)
{
var vert = SculptMesh.Topology.Vertices[mask[i]];
var force = new Vector3();
foreach (var edge in vert.Edges)
{
var other = edge.GetOtherVertex(vert);
var p0 = SculptMesh.Points[vert.Id];
var p1 = SculptMesh.Points[other.Id];
var delta = p1 - p0;
force += delta;
}
deformation[i] = strength * state.strength * force;
}
deformer.ApplyDeformation();
}
public override void Use(SculptState state, Deformer deformer)
{
if (state.drawingDown)
{
deformer.UpdateMask(state);
prevPosition = state.position;
}
if (deformer.SelectionCount == 0)
{
return;
}
var delta = state.worldToLocal * state.position - state.worldToLocal * prevPosition;
var deformation = deformer.Deformation;
for (int i = 0; i < deformer.SelectionCount; ++i)
{
deformation[i] = delta;
}
prevPosition = state.position;
deformer.ApplyDeformation();
}
public override void Use(SculptState state, Deformer deformer)
{
deformer.UpdateMask(state);
var mask = deformer.Selection;
var deformation = deformer.Deformation;
Vector3 avgNormal = Vector3.zero;
for (int i = 0; i < deformer.SelectionCount; i++)
{
avgNormal += SculptMesh.Normals[mask[i]];
}
avgNormal.Normalize();
float amp = strength * state.strength;
float inv = state.drawingInverted ? -1f : 1f;
for (int i = 0; i < deformer.SelectionCount; ++i)
{
deformation[i] = amp * inv * avgNormal;
}
deformer.ApplyDeformation();
}
