void SetNearAxis()
{
if (isTransforming)
{
return;
}
SetTranslatingAxis(transformType, Axis.None);
if (mainTargetRoot == null)
{
return;
}
float distanceMultiplier = GetDistanceMultiplier();
float handleMinSelectedDistanceCheck = (this.minSelectedDistanceCheck + handleWidth) * distanceMultiplier;
if (nearAxis == Axis.None && (TransformTypeContains(TransformType.Move) || TransformTypeContains(TransformType.Scale)))
{
float tipMinSelectedDistanceCheck = 0;
axisVectorsBuffer.Clear();
if (nearAxis == Axis.None && TransformTypeContains(TransformType.Move))
{
tipMinSelectedDistanceCheck = (this.minSelectedDistanceCheck + triangleSize) * distanceMultiplier;
axisVectorsBuffer.Add(handleTriangles);
HandleNearest(TransformType.Move, axisVectorsBuffer, tipMinSelectedDistanceCheck);
}
if (nearAxis == Axis.None && TransformTypeContains(TransformType.Scale))
{
tipMinSelectedDistanceCheck = (this.minSelectedDistanceCheck + boxSize) * distanceMultiplier;
axisVectorsBuffer.Add(handleSquares);
HandleNearest(TransformType.Scale, axisVectorsBuffer, tipMinSelectedDistanceCheck);
}
if (nearAxis == Axis.None)
{
//Since Move and Scale share the same handle line, we give Move the priority.
TransformType transType = transformType == TransformType.All ? TransformType.Move : transformType;
HandleNearest(transType, handleLines, handleMinSelectedDistanceCheck);
}
}
if (nearAxis == Axis.None && TransformTypeContains(TransformType.Rotate))
{
HandleNearest(TransformType.Rotate, circlesLines, handleMinSelectedDistanceCheck);
}
}
void SetNearAxis()
{
if (isTransforming)
{
return;
}
nearAxis = Axis.None;
if (mainTargetRoot == null)
{
return;
}
float distanceMultiplier = GetDistanceMultiplier();
float handleMinSelectedDistanceCheck = (this.minSelectedDistanceCheck + handleWidth) * distanceMultiplier;
if (type == TransformType.Move || type == TransformType.Scale)
{
float tipMinSelectedDistanceCheck = 0;
axisVectorsBuffer.Clear();
if (type == TransformType.Move)
{
tipMinSelectedDistanceCheck = (this.minSelectedDistanceCheck + triangleSize) * distanceMultiplier;
axisVectorsBuffer.Add(handleTriangles);
}
else if (type == TransformType.Scale)
{
tipMinSelectedDistanceCheck = (this.minSelectedDistanceCheck + boxSize) * distanceMultiplier;
axisVectorsBuffer.Add(handleSquares);
}
HandleNearest(axisVectorsBuffer, tipMinSelectedDistanceCheck);
if (nearAxis == Axis.None)
{
HandleNearest(handleLines, handleMinSelectedDistanceCheck);
}
}
else if (type == TransformType.Rotate)
{
HandleNearest(circlesLines, handleMinSelectedDistanceCheck);
}
}
void SelectAxis()
{
if (!Input.GetMouseButtonDown(0))
{
return;
}
selectedAxis = Axis.None;
float xClosestDistance = float.MaxValue;
float yClosestDistance = float.MaxValue;
float zClosestDistance = float.MaxValue;
float allClosestDistance = float.MaxValue;
float minSelectedDistanceCheck = this.minSelectedDistanceCheck * GetDistanceMultiplier();
if (type == TransformType.Move || type == TransformType.Scale)
{
selectedLinesBuffer.Clear();
selectedLinesBuffer.Add(handleLines);
if (type == TransformType.Move)
{
selectedLinesBuffer.Add(handleTriangles);
}
else if (type == TransformType.Scale)
{
selectedLinesBuffer.Add(handleSquares);
}
xClosestDistance = ClosestDistanceFromMouseToLines(selectedLinesBuffer.x);
yClosestDistance = ClosestDistanceFromMouseToLines(selectedLinesBuffer.y);
zClosestDistance = ClosestDistanceFromMouseToLines(selectedLinesBuffer.z);
allClosestDistance = ClosestDistanceFromMouseToLines(selectedLinesBuffer.all);
}
else if (type == TransformType.Rotate)
{
xClosestDistance = ClosestDistanceFromMouseToLines(circlesLines.x);
yClosestDistance = ClosestDistanceFromMouseToLines(circlesLines.y);
zClosestDistance = ClosestDistanceFromMouseToLines(circlesLines.z);
allClosestDistance = ClosestDistanceFromMouseToLines(circlesLines.all);
}
if (type == TransformType.Scale && allClosestDistance <= minSelectedDistanceCheck)
{
selectedAxis = Axis.Any;
}
else if (xClosestDistance <= minSelectedDistanceCheck && xClosestDistance <= yClosestDistance && xClosestDistance <= zClosestDistance)
{
selectedAxis = Axis.X;
}
else if (yClosestDistance <= minSelectedDistanceCheck && yClosestDistance <= xClosestDistance && yClosestDistance <= zClosestDistance)
{
selectedAxis = Axis.Y;
}
else if (zClosestDistance <= minSelectedDistanceCheck && zClosestDistance <= xClosestDistance && zClosestDistance <= yClosestDistance)
{
selectedAxis = Axis.Z;
}
else if (type == TransformType.Rotate && target != null)
{
Ray mouseRay = myCamera.ScreenPointToRay(Input.mousePosition);
Vector3 mousePlaneHit = GeometryUtil.LinePlaneIntersect(mouseRay.origin, mouseRay.direction, target.position, (transform.position - target.position).normalized);
if ((target.position - mousePlaneHit).sqrMagnitude <= Mathf.Pow((handleLength * GetDistanceMultiplier()), 2))
{
selectedAxis = Axis.Any;
}
}
}
