1 files changed, 9 insertions, 1 deletions
diff --git a/render.js b/render.js
index 5fde9d1..126d6be 100644
--- a/render.js
+++ b/render.js
@@ -99,7 +99,15 @@ export function drawMark(ctx, mark, x, y) {
   ctx.lineWidth = 0.1;
 
   ctx.beginPath();
-  ctx.arc(x, y, 0.4, 0, 2*Math.PI);
+  if (mark === '+') {
+    ctx.arc(x, y, 0.4, 0, 2*Math.PI);
+  } else {
+    ctx.moveTo(x+0.4, y);
+    ctx.lineTo(x, y+0.4);
+    ctx.lineTo(x-0.4, y);
+    ctx.lineTo(x, y-0.4);
+    ctx.closePath();
+  }
   ctx.stroke();
 
   ctx.textAlign = 'center';