private static Vector3 GetMirroredPosition(SculptState state)
{
var p = state.position;
p = state.worldToLocal.MultiplyPoint(p);
p.x *= -1;
return(state.worldToLocal.inverse.MultiplyPoint(p));
}
private void Update()
{
currentState = GetState(currentState);
currentState.worldToLocal = MeshWrapper.MeshTransform.worldToLocalMatrix;
currentState.menuState = Menu.GetState();
var mat = MeshWrapper.Material;
mat.SetVector($"_BrushPos", currentState.position);
mat.SetFloat($"_BrushRadius", Menu.ToolSize.Value / 2);
mat.SetFloat($"_BrushHardness", Menu.ToolHardness.Value);
mat.SetFloat($"_MenuEnabled", Menu.AppMenuEnabled.Value ? 1 : 0);
mat.SetFloat($"_SymmetryEnabled", Menu.SymmetryEnabled.Value ? 1 : 0);
mat.SetVector($"_BrushPosMirrored", GetMirroredPosition(currentState));
stateStack.Push(currentState);
}
private void Sculpt(SculptState state)
{
if (state.menuState.appMenuEnabled)
{
return;
}
if (state.drawing)
{
tools[state.menuState.tool].Use(state, deformer);
if (state.menuState.symmetryEnabled)
{
state.position = GetMirroredPosition(state);
mirrorTools[state.menuState.tool].Use(state, mirrorDeformer);
}
}
else if (state.drawingUp)
{
deformer.Unmask();
mirrorDeformer.Unmask();
}
MeshWrapper.SculptMesh.ApplyDeformation();
}
protected abstract SculptState GetState(SculptState prev);