오차 적용

src/util/canvas-util.js

@@ -360,16 +360,16 @@ export const calculateIntersection = (line1, line2) => {
 
   // Check if the intersection X and Y are within the range of both lines
   if (
-    result[0] >= line1MinX &&
-    result[0] <= line1MaxX &&
-    result[0] >= line2MinX &&
-    result[0] <= line2MaxX &&
-    result[1] >= line1MinY &&
-    result[1] <= line1MaxY &&
-    result[1] >= line2MinY &&
-    result[1] <= line2MaxY
+    result[0] >= line1MinX - 1 &&
+    result[0] <= line1MaxX + 1 &&
+    result[0] >= line2MinX - 1 &&
+    result[0] <= line2MaxX + 1 &&
+    result[1] >= line1MinY - 1 &&
+    result[1] <= line1MaxY + 1 &&
+    result[1] >= line2MinY - 1 &&
+    result[1] <= line2MaxY + 1
   ) {
-    return { x: Math.round(result[0]), y: Math.round(result[1]) }
+    return { x: result[0], y: result[1] }
   } else {
     return null // Intersection is out of range
   }