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refactor: extract ComputeSlideDistance helpers in RotationSlideStrategy

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Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
AJ Isaacs
2026-03-13 11:19:36 -04:00
parent 3592a4ce59
commit 9daa768629
1 changed files with 46 additions and 21 deletions
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67
OpenNest.Engine/BestFit/RotationSlideStrategy.cs
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@@ -85,31 +85,13 @@ namespace OpenNest.Engine.BestFit
for (var offset = alignedStart; offset <= perpMax; offset += stepSize)
{
var part2 = (Part)part2Template.Clone();
// Place part2 far away along push axis, at perpendicular offset.
// Left/Down: start on the positive side; Right/Up: start on the negative side.
var isPositiveStart = pushDir == PushDirection.Left || pushDir == PushDirection.Down;
var startPos = isPositiveStart ? pushStartOffset : -pushStartOffset;
if (isHorizontalPush)
part2.Offset(startPos, offset);
else
part2.Offset(offset, startPos);
// Get part2's offset lines (half-spacing outward)
var part2Lines = Helper.GetOffsetPartLines(part2, halfSpacing);
// Find contact distance
var slideDist = Helper.DirectionalDistance(part2Lines, part1Lines, pushDir);
var (slideDist, finalPosition) = ComputeSlideResult(
part2Template, part1Lines, halfSpacing,
offset, pushStartOffset, isHorizontalPush, pushDir);
if (slideDist >= double.MaxValue || slideDist < 0)
continue;
// Move part2 to contact position
var pushVector = GetPushVector(pushDir, slideDist);
var finalPosition = part2.Location + pushVector;
candidates.Add(new PairCandidate
{
Drawing = drawing,
@@ -134,5 +116,48 @@ namespace OpenNest.Engine.BestFit
default: return Vector.Zero;
}
}
private static double ComputeSlideDistance(
Part part2Template, List<Line> part1Lines, double halfSpacing,
double offset, double pushStartOffset,
bool isHorizontalPush, PushDirection pushDir)
{
var part2 = (Part)part2Template.Clone();
var isPositiveStart = pushDir == PushDirection.Left || pushDir == PushDirection.Down;
var startPos = isPositiveStart ? pushStartOffset : -pushStartOffset;
if (isHorizontalPush)
part2.Offset(startPos, offset);
else
part2.Offset(offset, startPos);
var part2Lines = Helper.GetOffsetPartLines(part2, halfSpacing);
return Helper.DirectionalDistance(part2Lines, part1Lines, pushDir);
}
private static (double slideDist, Vector finalPosition) ComputeSlideResult(
Part part2Template, List<Line> part1Lines, double halfSpacing,
double offset, double pushStartOffset,
bool isHorizontalPush, PushDirection pushDir)
{
var part2 = (Part)part2Template.Clone();
var isPositiveStart = pushDir == PushDirection.Left || pushDir == PushDirection.Down;
var startPos = isPositiveStart ? pushStartOffset : -pushStartOffset;
if (isHorizontalPush)
part2.Offset(startPos, offset);
else
part2.Offset(offset, startPos);
var part2Lines = Helper.GetOffsetPartLines(part2, halfSpacing);
var slideDist = Helper.DirectionalDistance(part2Lines, part1Lines, pushDir);
var pushVector = GetPushVector(pushDir, slideDist);
var finalPosition = part2.Location + pushVector;
return (slideDist, finalPosition);
}
}
}