Adjust for layer canvas rotation

replace missed lines
2019-12-04 23:47:12 +00:00
parent b4ae4ab86f
commit 2790d50660
1 changed files with 2 additions and 1 deletions
--- a/examples/layer-swipe.js
+++ b/examples/layer-swipe.js
@@ -34,7 +34,8 @@ const swipe = document.getElementById('swipe');

 aerial.on('prerender', function(event) {
  const ctx = event.context;
-  const width = ctx.canvas.width * (swipe.value / 100);
+  const mapSize = map.getSize();
+  const width = mapSize[0] * (swipe.value / 100);
  const tl = getRenderPixel(event, [width, 0]);
  const tr = getRenderPixel(event, [mapSize[0], 0]);
  const bl = getRenderPixel(event, [width, mapSize[1]]);