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();
}
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 IEnumerator ModifyMesh()
{
var timer = new Timer("modify-mesh");
var menu = new Menu(ToolType.Move);
var deformer = new Deformer(sculptMesh);
var state = new SculptState {
position = Vector3.up * .5f,
worldToLocal = sculptMesh.Wrapper.MeshTransform.worldToLocalMatrix
};
timer.PrintTime(() => {
deformer.UpdateMask(state);
}, "Select vertices");
Vector3 offset = Vector3.up * Random.value;
int pickId = Random.Range(0, deformer.Selection.Length);
var vec = sculptMesh.Points[deformer.Selection[pickId]];
var weight = deformer.Weights[pickId];
timer.PrintTime(() => {
var deformation = deformer.Deformation;
for (int i = 0; i < deformer.SelectionCount; ++i)
{
deformation[i] = offset;
}
}, "Create deform field");
timer.PrintTime(() => sculptMesh.UpdateMeshData(), "Update mesh data");
Debug.Log($"{deformer.SelectionCount} vertices modified out of {sculptMesh.Points.Length}.\n");
timer.PrintTotalTime();
timer.SaveCsv();
Assert.Less(timer.TotalTime, 100);
Assert.AreEqual(sculptMesh.Points[deformer.Selection[pickId]], vec + weight * offset);
yield return(null);
}
