public override Application setup(Tree target) {
float radius = worldRadius / target.voxelSize();
Vector3 radiusCube = new Vector3(radius, radius, radius);
Vector3 center = target.globalToVoxelPosition(worldPosition);
Vector3 exactMin = center - radiusCube;
Vector3 exactMax = center + radiusCube;
SphereApp app = new SphereApp();
app.tree = target;
app.min = new Index(target.maxDetail, (uint)exactMin.x, (uint)exactMin.y, (uint)exactMin.z);
app.max = new Index(target.maxDetail, (uint)exactMax.x, (uint)exactMax.y, (uint)exactMax.z);
app.position = center;
app.radius = radius;
return app;
}
public override Application setup(Tree target)
{
float radius = worldRadius / target.voxelSize();
Vector3 radiusCube = new Vector3(radius, radius, radius);
Vector3 center = target.globalToVoxelPosition(worldPosition);
Vector3 exactMin = center - radiusCube;
Vector3 exactMax = center + radiusCube;
SphereApp app = new SphereApp();
app.tree = target;
app.min = new Index(target.maxDetail, (uint)exactMin.x, (uint)exactMin.y, (uint)exactMin.z);
app.max = new Index(target.maxDetail, (uint)exactMax.x, (uint)exactMax.y, (uint)exactMax.z);
app.position = center;
app.radius = radius;
return(app);
}
public override Voxel mutate(LocalApplication app, Index p, LocalAction action, Voxel original)
{
SphereApp sApp = (SphereApp)app;
SphereAction sAction = (SphereAction)action;
float dis = Mathf.Sqrt(sAction.disSqr);
byte newOpacity = (dis <= sAction.minRadius) ?
value.averageOpacity() :
(byte)((original.averageOpacity() * (dis - sAction.minRadius) + value.averageOpacity() * (sAction.maxRadius - dis)) / 2);
byte newSubstance = original.averageMaterialType();
if (newOpacity >= 2 * original.averageOpacity() ||
(overwriteSubstance && dis < sApp.radius))
{
newSubstance = value.averageMaterialType();
}
if (!overwriteShape)
{
newOpacity = original.averageOpacity();
}
return(new Voxel(newSubstance, newOpacity));
}
public override LocalAction checkMutation(LocalApplication app, Index p, Vector3 diff, float voxelSize)
{
SphereApp sApp = (SphereApp)app;
SphereAction action = new SphereAction();
action.disSqr = diff.sqrMagnitude;
action.maxRadius = sApp.radius + voxelSize;
float maxRadSqr = action.maxRadius * action.maxRadius;
if (action.disSqr > maxRadSqr)
{
return(action);
}
action.modify = true;
action.minRadius = Mathf.Max(0, sApp.radius - voxelSize);
float minRadSqr = action.minRadius * action.minRadius;
if (action.disSqr >= minRadSqr)
{
action.doTraverse = true;
}
return(action);
}
