void SetHandleTriangles()
{
handleTriangles.Clear();
if (type == TransformType.Move)
{
float triangleLength = triangleSize * GetDistanceMultiplier();
AddTriangles(axisInfo.xAxisEnd, axisInfo.xDirection, axisInfo.yDirection, axisInfo.zDirection, triangleLength, handleTriangles.x);
AddTriangles(axisInfo.yAxisEnd, axisInfo.yDirection, axisInfo.xDirection, axisInfo.zDirection, triangleLength, handleTriangles.y);
AddTriangles(axisInfo.zAxisEnd, axisInfo.zDirection, axisInfo.yDirection, axisInfo.xDirection, triangleLength, handleTriangles.z);
}
}
void SetCircles(AxisInfo axisInfo, AxisVectors axisVectors)
{
axisVectors.Clear();
if (type == TransformType.Rotate)
{
float circleLength = handleLength * GetDistanceMultiplier();
AddCircle(target.position, axisInfo.xDirection, circleLength, axisVectors.x);
AddCircle(target.position, axisInfo.yDirection, circleLength, axisVectors.y);
AddCircle(target.position, axisInfo.zDirection, circleLength, axisVectors.z);
AddCircle(target.position, (target.position - transform.position).normalized, circleLength, axisVectors.all, false);
}
}
void SetHandleSquares()
{
handleSquares.Clear();
if (type == TransformType.Scale)
{
float boxLength = boxSize * GetDistanceMultiplier();
AddSquares(axisInfo.xAxisEnd, axisInfo.xDirection, axisInfo.yDirection, axisInfo.zDirection, boxLength, handleSquares.x);
AddSquares(axisInfo.yAxisEnd, axisInfo.yDirection, axisInfo.xDirection, axisInfo.zDirection, boxLength, handleSquares.y);
AddSquares(axisInfo.zAxisEnd, axisInfo.zDirection, axisInfo.xDirection, axisInfo.yDirection, boxLength, handleSquares.z);
AddSquares(target.position - (axisInfo.xDirection * boxLength), axisInfo.xDirection, axisInfo.yDirection, axisInfo.zDirection, boxLength, handleSquares.all);
}
}
void SetHandleLines()
{
handleLines.Clear();
if (type == TransformType.Move || type == TransformType.Scale)
{
handleLines.x.Add(target.position);
handleLines.x.Add(axisInfo.xAxisEnd);
handleLines.y.Add(target.position);
handleLines.y.Add(axisInfo.yAxisEnd);
handleLines.z.Add(target.position);
handleLines.z.Add(axisInfo.zAxisEnd);
}
}
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 = Geometry.LinePlaneIntersect(mouseRay.origin, mouseRay.direction, target.position, (transform.position - target.position).normalized);
if ((target.position - mousePlaneHit).sqrMagnitude <= (handleLength * GetDistanceMultiplier()).Squared())
{
selectedAxis = Axis.Any;
}
}
}