dkforest

commit 7540b41528ce994d14f004c44678cecc59854853
parent ff4b18b51a0b32f56dee5e096a800a86988ef3e0
Author: n0tr1v <n0tr1v@protonmail.com>
Date:   Thu, 15 Jun 2023 10:57:44 -0700

fix arrow for flipped board

Diffstat:
M
pkg/web/handlers/chess.go
 | 
12
++++++------

1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/pkg/web/handlers/chess.go b/pkg/web/handlers/chess.go
@@ -752,7 +752,7 @@ Loop:
 				renderHideAllPieces(&styles)
 				renderChecks(&styles, checkIDStr)
 				renderLastMove(&styles, *lastMove)
-				renderBestMove(&styles, bestMove)
+				renderBestMove(&styles, bestMove, isFlipped)
 				renderShowVisiblePieceInPosition(&styles, visiblePieces, squareMap, piecesCache, isFlipped)
 
 				send(styles.Build())
@@ -889,9 +889,9 @@ func calcDisc(x1, y1, x2, y2 int) (d int, isDiag, isLine bool) {
 	return
 }
 
-func arrow(s1, s2 chess.Square) (out string) {
-	cx1, cy1 := squareCoord(s1, false)
-	cx2, cy2 := squareCoord(s2, false)
+func arrow(s1, s2 chess.Square, isFlipped bool) (out string) {
+	cx1, cy1 := squareCoord(s1, isFlipped)
+	cx2, cy2 := squareCoord(s2, isFlipped)
 	dist, isDiag, isLine := calcDisc(cx1, cy1, cx2, cy2)
 	a := math.Atan2(float64(cy1-cy2), float64(cx1-cx2)) + math.Pi/2 + math.Pi
 	out += fmt.Sprintf("#arrow { "+
@@ -913,11 +913,11 @@ func arrow(s1, s2 chess.Square) (out string) {
 	return
 }
 
-func renderBestMove(styles *StylesBuilder, bestMove *chess.Move) {
+func renderBestMove(styles *StylesBuilder, bestMove *chess.Move, isFlipped bool) {
 	if bestMove != nil {
 		s1 := bestMove.S1()
 		s2 := bestMove.S2()
-		arrowStyle := arrow(s1, s2)
+		arrowStyle := arrow(s1, s2, isFlipped)
 		styles.Append(arrowStyle)
 	}
 }