This commit is contained in:
Alexander Wang 2023-03-14 17:37:19 -07:00
parent f35be526c6
commit 27870fc7d6
No known key found for this signature in database
GPG key ID: D89FA31966BDBECE

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@ -478,7 +478,7 @@ func deleteBends(g *d2graph.Graph) {
endpoint = e.Dst
}
isHorizontal := start.Y == corner.Y
isHorizontal := math.Round(start.Y) == math.Round(corner.Y)
// Make sure it's still attached
if isHorizontal {
@ -512,15 +512,15 @@ func deleteBends(g *d2graph.Graph) {
oldSegment := geo.NewSegment(start, corner)
newSegment := geo.NewSegment(newStart, end)
oldIntersects := countObjectIntersects(g, *oldSegment)
newIntersects := countObjectIntersects(g, *newSegment)
oldIntersects := countObjectIntersects(g, e.Src, e.Dst, *oldSegment)
newIntersects := countObjectIntersects(g, e.Src, e.Dst, *newSegment)
if newIntersects > oldIntersects {
continue
}
oldCrossingsCount, oldOverlapsCount, oldCloseOverlapsCount := countEdgeIntersects(g, g.Edges[ei], *oldSegment)
newCrossingsCount, newOverlapsCount, newCloseOverlapsCount := countEdgeIntersects(g, g.Edges[ei], *newSegment)
oldCrossingsCount, oldOverlapsCount, oldCloseOverlapsCount, oldTouchingCount := countEdgeIntersects(g, g.Edges[ei], *oldSegment)
newCrossingsCount, newOverlapsCount, newCloseOverlapsCount, newTouchingCount := countEdgeIntersects(g, g.Edges[ei], *newSegment)
if newCrossingsCount > oldCrossingsCount {
continue
@ -532,6 +532,9 @@ func deleteBends(g *d2graph.Graph) {
if newCloseOverlapsCount > oldCloseOverlapsCount {
continue
}
if newTouchingCount > oldTouchingCount {
continue
}
// commit
if isSource {
@ -572,21 +575,21 @@ func deleteBends(g *d2graph.Graph) {
// These concern two segments
var newCorner *geo.Point
if start.X == corner.X {
if math.Round(start.X) == math.Round(corner.X) {
newCorner = geo.NewPoint(end.X, start.Y)
// not ladder
if (end.Y > start.Y) != (before.Y > start.Y) {
if (end.X > start.X) != (start.X > before.X) {
continue
}
if (end.Y > start.Y) != (end.Y > start.Y) {
if (end.Y > start.Y) != (after.Y > end.Y) {
continue
}
} else {
newCorner = geo.NewPoint(start.X, end.Y)
if (end.X > start.X) != (before.X > start.X) {
if (end.Y > start.Y) != (start.Y > before.Y) {
continue
}
if (end.X > start.X) != (after.X > start.X) {
if (end.X > start.X) != (after.X > end.X) {
continue
}
}
@ -598,24 +601,26 @@ func deleteBends(g *d2graph.Graph) {
newS2 := geo.NewSegment(newCorner, end)
// Check that the new segments doesn't collide with anything new
oldIntersects := countObjectIntersects(g, *oldS1) + countObjectIntersects(g, *oldS2)
newIntersects := countObjectIntersects(g, *newS1) + countObjectIntersects(g, *newS2)
oldIntersects := countObjectIntersects(g, e.Src, e.Dst, *oldS1) + countObjectIntersects(g, e.Src, e.Dst, *oldS2)
newIntersects := countObjectIntersects(g, e.Src, e.Dst, *newS1) + countObjectIntersects(g, e.Src, e.Dst, *newS2)
if newIntersects > oldIntersects {
continue
}
oldCrossingsCount1, oldOverlapsCount1, oldCloseOverlapsCount1 := countEdgeIntersects(g, g.Edges[ei], *oldS1)
oldCrossingsCount2, oldOverlapsCount2, oldCloseOverlapsCount2 := countEdgeIntersects(g, g.Edges[ei], *oldS2)
oldCrossingsCount1, oldOverlapsCount1, oldCloseOverlapsCount1, oldTouchingCount1 := countEdgeIntersects(g, g.Edges[ei], *oldS1)
oldCrossingsCount2, oldOverlapsCount2, oldCloseOverlapsCount2, oldTouchingCount2 := countEdgeIntersects(g, g.Edges[ei], *oldS2)
oldCrossingsCount := oldCrossingsCount1 + oldCrossingsCount2
oldOverlapsCount := oldOverlapsCount1 + oldOverlapsCount2
oldCloseOverlapsCount := oldCloseOverlapsCount1 + oldCloseOverlapsCount2
oldTouchingCount := oldTouchingCount1 + oldTouchingCount2
newCrossingsCount1, newOverlapsCount1, newCloseOverlapsCount1 := countEdgeIntersects(g, g.Edges[ei], *newS1)
newCrossingsCount2, newOverlapsCount2, newCloseOverlapsCount2 := countEdgeIntersects(g, g.Edges[ei], *newS1)
newCrossingsCount1, newOverlapsCount1, newCloseOverlapsCount1, newTouchingCount1 := countEdgeIntersects(g, g.Edges[ei], *newS1)
newCrossingsCount2, newOverlapsCount2, newCloseOverlapsCount2, newTouchingCount2 := countEdgeIntersects(g, g.Edges[ei], *newS2)
newCrossingsCount := newCrossingsCount1 + newCrossingsCount2
newOverlapsCount := newOverlapsCount1 + newOverlapsCount2
newCloseOverlapsCount := newCloseOverlapsCount1 + newCloseOverlapsCount2
newTouchingCount := newTouchingCount1 + newTouchingCount2
if newCrossingsCount > oldCrossingsCount {
continue
@ -627,6 +632,9 @@ func deleteBends(g *d2graph.Graph) {
if newCloseOverlapsCount > oldCloseOverlapsCount {
continue
}
if newTouchingCount > oldTouchingCount {
continue
}
// commit
g.Edges[ei].Route = append(append(
@ -640,10 +648,13 @@ func deleteBends(g *d2graph.Graph) {
}
}
func countObjectIntersects(g *d2graph.Graph, s geo.Segment) int {
func countObjectIntersects(g *d2graph.Graph, src, dst *d2graph.Object, s geo.Segment) int {
count := 0
for _, o := range g.Objects {
if o.Intersects(s, float64(edge_node_spacing)) {
for i, o := range g.Objects {
if g.Objects[i] == src || g.Objects[i] == dst {
continue
}
if o.Intersects(s, float64(edge_node_spacing)-1) {
count++
}
}
@ -651,19 +662,20 @@ func countObjectIntersects(g *d2graph.Graph, s geo.Segment) int {
}
// countEdgeIntersects counts both crossings AND getting too close to a parallel segment
func countEdgeIntersects(g *d2graph.Graph, sEdge *d2graph.Edge, s geo.Segment) (int, int, int) {
isHorizontal := s.Start.Y == s.End.Y
func countEdgeIntersects(g *d2graph.Graph, sEdge *d2graph.Edge, s geo.Segment) (int, int, int, int) {
isHorizontal := math.Round(s.Start.Y) == math.Round(s.End.Y)
crossingsCount := 0
overlapsCount := 0
closeOverlapsCount := 0
for _, e := range g.Edges {
if e == sEdge {
touchingCount := 0
for i, e := range g.Edges {
if g.Edges[i] == sEdge {
continue
}
for i := 0; i < len(e.Route)-1; i++ {
otherS := geo.NewSegment(e.Route[i], e.Route[i+1])
otherIsHorizontal := otherS.Start.Y == otherS.End.Y
otherIsHorizontal := math.Round(otherS.Start.Y) == math.Round(otherS.End.Y)
if isHorizontal == otherIsHorizontal {
if s.Overlaps(*otherS, !isHorizontal, 0.) {
if isHorizontal {
@ -671,6 +683,9 @@ func countEdgeIntersects(g *d2graph.Graph, sEdge *d2graph.Edge, s geo.Segment) (
overlapsCount++
if math.Abs(s.Start.Y-otherS.Start.Y) < float64(edge_node_spacing)/4. {
closeOverlapsCount++
if math.Abs(s.Start.Y-otherS.Start.Y) < 1. {
touchingCount++
}
}
}
} else {
@ -678,6 +693,9 @@ func countEdgeIntersects(g *d2graph.Graph, sEdge *d2graph.Edge, s geo.Segment) (
overlapsCount++
if math.Abs(s.Start.X-otherS.Start.X) < float64(edge_node_spacing)/4. {
closeOverlapsCount++
if math.Abs(s.Start.Y-otherS.Start.Y) < 1. {
touchingCount++
}
}
}
}
@ -690,5 +708,5 @@ func countEdgeIntersects(g *d2graph.Graph, sEdge *d2graph.Edge, s geo.Segment) (
}
}
return crossingsCount, overlapsCount, closeOverlapsCount
return crossingsCount, overlapsCount, closeOverlapsCount, touchingCount
}