try

d2layouts/d2cycle/layout.go

@@ -112,7 +112,7 @@ path = trimPathPoints(path, edge.Dst.Box)
 if len(path) >= 2 {
 	dstPoint := path[len(path)-1]
 	// Calculate the tangent direction at the destination point (counter-clockwise)
-	tangentX := -dstPoint.Y
+	tangentX := dstPoint.Y
 	tangentY := dstPoint.X
 	// Normalize the tangent vector
 	length := math.Hypot(tangentX, tangentY)

e2etests/testdata/txtar/cycle-diagram/dagre/board.exp.json

@@ -864,7 +864,7 @@
           "y": -37.47600173950195
         },
         {
-          "x": 195.6020050048828,
+          "x": 198.90199279785156,
           "y": -42.86199951171875
         },
         {
@@ -1228,7 +1228,7 @@
           "y": 197.53700256347656
         },
         {
-          "x": 36.4109992980957,
+          "x": 16.58799934387207,
           "y": 196.90499877929688
         },
         {
@@ -1592,7 +1592,7 @@
           "y": 37.47600173950195
         },
         {
-          "x": -195.6020050048828,
+          "x": -198.90199279785156,
           "y": 42.86199951171875
         },
         {
@@ -1972,7 +1972,7 @@
           "y": 111.8030014038086
         },
         {
-          "x": 704.7830200195312,
+          "x": 698.0830078125,
           "y": 107.5770034790039
         },
         {
@@ -2336,7 +2336,7 @@
           "y": 186.90899658203125
         },
         {
-          "x": 370.2919921875,
+          "x": 356.99200439453125,
           "y": 190.46800231933594
         },
         {
@@ -2740,7 +2740,7 @@
           "y": 196.45700073242188
         },
         {
-          "x": 1008.4110107421875,
+          "x": 988.5880126953125,
           "y": 196.89300537109375
         },
         {

e2etests/testdata/txtar/cycle-diagram/elk/board.exp.json

@@ -864,7 +864,7 @@
           "y": -25.47599983215332
         },
         {
-          "x": 207.6020050048828,
+          "x": 210.90199279785156,
           "y": -30.86199951171875
         },
         {
@@ -1228,7 +1228,7 @@
           "y": 209.53700256347656
         },
         {
-          "x": 48.4109992980957,
+          "x": 28.58799934387207,
           "y": 208.90499877929688
         },
         {
@@ -1592,7 +1592,7 @@
           "y": 49.47600173950195
         },
         {
-          "x": -183.6020050048828,
+          "x": -186.90199279785156,
           "y": 54.86199951171875
         },
         {
@@ -1972,7 +1972,7 @@
           "y": 123.8030014038086
         },
         {
-          "x": 677.2830200195312,
+          "x": 670.5830078125,
           "y": 119.5770034790039
         },
         {
@@ -2336,7 +2336,7 @@
           "y": 198.90899658203125
         },
         {
-          "x": 342.7919921875,
+          "x": 329.49200439453125,
           "y": 202.46800231933594
         },
         {
@@ -2740,7 +2740,7 @@
           "y": 208.45700073242188
         },
         {
-          "x": 941.3209838867188,
+          "x": 921.4979858398438,
           "y": 208.89300537109375
         },
         {