Merge pull request #4979 from kwvanderlinde/bugfix/4978-hex-light-cen…

…ter-and-scale

Fix hex light construction

src/main/java/net/rptools/maptool/model/Grid.java

@@ -479,16 +479,7 @@ public void setSize(int size) {
         visibleArea.add(new Area(footprintPart));
       }
       case HEX -> {
-        double x = footprint.getCenterX();
-        double y = footprint.getCenterY();
-
-        double footprintWidth = footprint.getWidth();
-        double footprintHeight = footprint.getHeight();
-        double adjustment = Math.min(footprintWidth, footprintHeight);
-        x -= adjustment / 2;
-        y -= adjustment / 2;
-
-        visibleArea = createHex(x, y, visionRange, 0);
+        visibleArea = createHex(visionRange);
       }
       default -> {
         log.error("Unhandled shape {}; treating as a circle", shape);
@@ -527,25 +518,19 @@ public double cellDistance(CellPoint cellA, CellPoint cellB, WalkerMetric wmetri
     return distance;
   }
 
-  protected Area createHex(double x, double y, double radius, double rotation) {
-    GeneralPath hexPath = new GeneralPath();
+  protected Area createHex(double inRadius) {
+    double radius = inRadius * 2 / Math.sqrt(3);
 
-    for (int i = 0; i < 6; i++) {
-      if (i == 0) {
-        hexPath.moveTo(
-            x + radius * Math.cos(i * 2 * Math.PI / 6), y + radius * Math.sin(i * 2 * Math.PI / 6));
-      } else {
-        hexPath.lineTo(
-            x + radius * Math.cos(i * 2 * Math.PI / 6), y + radius * Math.sin(i * 2 * Math.PI / 6));
-      }
-    }
+    var hexPath = new Path2D.Double();
+    hexPath.moveTo(radius, 0);
+    hexPath.lineTo(radius * 0.5, inRadius);
+    hexPath.lineTo(-radius * 0.5, inRadius);
+    hexPath.lineTo(-radius, 0);
+    hexPath.lineTo(-radius * 0.5, -inRadius);
+    hexPath.lineTo(radius * 0.5, -inRadius);
+    hexPath.closePath();
 
-    if (rotation != 0) {
-      AffineTransform atArea = AffineTransform.getRotateInstance(rotation);
-      return new Area(atArea.createTransformedShape(hexPath));
-    } else {
-      return new Area(hexPath);
-    }
+    return new Area(hexPath);
   }
 
   private void fireGridChanged() {