private void ShiftStart(Point point)
{
foreach (var polygon in _polygons)
{
var vertex = polygon.DetectVertex(point);
if (vertex != null)
{
_shiftedPolygon = polygon;
_shiftedVertex = vertex;
_isShifting = true;
_what = WhatIsShifted.Vertex;
return;
}
}
}
private void ShapeShiftStart(Point intPoint)
{
foreach (var polygon in _polygons)
{
foreach (var edge in polygon.Edges)
{
for (int i = 0; i < edge.Points.Count; i++)
{
var point = edge.Points[i];
if (point.Length(intPoint) < 10)
{
_lastPoint = point;
_isShifting = true;
_what = WhatIsShifted.Polygon;
_shiftedPolygon = polygon;
return;
}
}
}
}
}
private void ShiftStart(Point point)
{
foreach (var polygon in _polygons)
{
var vertex = polygon.DetectVertex(point);
if (vertex != null)
{
bool breaks = false;
foreach (var pair in polygon.ParallelPairs)
{
var verts1 = polygon.Edges.First(e => e.Id == pair.Edges[0]).Vertices;
var verts2 = polygon.Edges.First(e => e.Id == pair.Edges[1]).Vertices;
if (verts1.Any(v => v.Id == vertex.Id) && verts2.Any(v => v.Id == vertex.Id))
{
breaks = true;
break;
}
}
if (breaks)
{
break;
}
_shiftedPolygon = polygon;
_shiftedVertex = vertex;
_isShifting = true;
_what = WhatIsShifted.Vertex;
return;
}
}
foreach (var polygon in _polygons)
{
var(edgePoint, edge) = polygon.DetectEdge(point);
if (edge != null)
{
_lastPoint = point;
_shiftedPolygon = polygon;
_shiftedEdge = edge;
_isShifting = true;
_what = WhatIsShifted.Edge;
return;
}
}
foreach (var circle in _circles)
{
for (int i = 0; i < circle.Points.Count; i++)
{
var circlePoint = circle.Points[i];
if (circlePoint.Length(point) < 10)
{
_lastPoint = circlePoint;
_isShifting = true;
_what = WhatIsShifted.Radius;
_shiftedCircle = circle;
return;
}
}
}
}
