fixing mouseX, mouseY and touchX, touchY for noCanvas and createCanva…

…s(0, 0) cases closes #3749
processing · May 17, 2019 · 9977673 · 9977673
1 parent e838315
commit 9977673
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Showing 2 changed files with 4 additions and 4 deletions.
diff --git a/src/events/mouse.js b/src/events/mouse.js
@@ -404,8 +404,8 @@ function getMousePos(canvas, w, h, evt) {
     }
   }
   var rect = canvas.getBoundingClientRect();
-  var sx = canvas.scrollWidth / w;
-  var sy = canvas.scrollHeight / h;
+  var sx = canvas.scrollWidth / w || 1;
+  var sy = canvas.scrollHeight / h || 1;
   return {
     x: (evt.clientX - rect.left) / sx,
     y: (evt.clientY - rect.top) / sy,

diff --git a/src/events/touch.js b/src/events/touch.js
@@ -59,8 +59,8 @@ p5.prototype._updateTouchCoords = function(e) {
 function getTouchInfo(canvas, w, h, e, i) {
   i = i || 0;
   var rect = canvas.getBoundingClientRect();
-  var sx = canvas.scrollWidth / w;
-  var sy = canvas.scrollHeight / h;
+  var sx = canvas.scrollWidth / w || 1;
+  var sy = canvas.scrollHeight / h || 1;
   var touch = e.touches[i] || e.changedTouches[i];
   return {
     x: (touch.clientX - rect.left) / sx,