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This commit is contained in:
Mayank Mohapatra 2025-02-22 13:26:11 +00:00
parent 9eaa03cb36
commit 36ccdb62bd
1 changed files with 47 additions and 2 deletions
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49
d2layouts/d2cycle/layout.go
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@ -65,6 +65,46 @@ func positionObjects(objects []*d2graph.Object, radius float64) {
} }
} }
// func createCircularArc(edge *d2graph.Edge) {
// if edge.Src == nil || edge.Dst == nil {
// return
// }
// srcCenter := edge.Src.Center()
// dstCenter := edge.Dst.Center()
// srcAngle := math.Atan2(srcCenter.Y, srcCenter.X)
// dstAngle := math.Atan2(dstCenter.Y, dstCenter.X)
// if dstAngle < srcAngle {
// dstAngle += 2 * math.Pi
// }
// arcRadius := math.Hypot(srcCenter.X, srcCenter.Y)
// path := make([]*geo.Point, 0, ARC_STEPS+1)
// for i := 0; i <= ARC_STEPS; i++ {
// t := float64(i) / float64(ARC_STEPS)
// angle := srcAngle + t*(dstAngle-srcAngle)
// x := arcRadius * math.Cos(angle)
// y := arcRadius * math.Sin(angle)
// path = append(path, geo.NewPoint(x, y))
// }
// path[0] = srcCenter
// path[len(path)-1] = dstCenter
// // Clamp endpoints to the boundaries of the source and destination boxes.
// _, newSrc := clampPointOutsideBox(edge.Src.Box, path, 0)
// _, newDst := clampPointOutsideBoxReverse(edge.Dst.Box, path, len(path)-1)
// path[0] = newSrc
// path[len(path)-1] = newDst
// // Trim redundant path points that fall inside node boundaries.
// path = trimPathPoints(path, edge.Src.Box)
// path = trimPathPoints(path, edge.Dst.Box)
// edge.Route = path
// edge.IsCurve = true
// }
func createCircularArc(edge *d2graph.Edge) { func createCircularArc(edge *d2graph.Edge) {
if edge.Src == nil || edge.Dst == nil { if edge.Src == nil || edge.Dst == nil {
return return
@ -75,8 +115,13 @@ func createCircularArc(edge *d2graph.Edge) {
srcAngle := math.Atan2(srcCenter.Y, srcCenter.X) srcAngle := math.Atan2(srcCenter.Y, srcCenter.X)
dstAngle := math.Atan2(dstCenter.Y, dstCenter.X) dstAngle := math.Atan2(dstCenter.Y, dstCenter.X)
if dstAngle < srcAngle { diff := dstAngle - srcAngle
dstAngle += 2 * math.Pi if math.Abs(diff) > math.Pi {
if diff > 0 {
dstAngle -= 2 * math.Pi
} else {
dstAngle += 2 * math.Pi
}
} }
arcRadius := math.Hypot(srcCenter.X, srcCenter.Y) arcRadius := math.Hypot(srcCenter.X, srcCenter.Y)