Added custom definition for Math.trunc to accomodate older browsers

iameli · Oct 25, 2015 · 215c15b · 215c15b
1 parent af6db41
commit 215c15b
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/SlimeAI.js b/SlimeAI.js
@@ -1,3 +1,7 @@
+// Make sure Math.trunc is defined (for older browsers)
+Math.trunc = Math.trunc || function(x) {
+  return x < 0 ? Math.ceil(x) : Math.floor(x);
+}
 
 // Assumes gravity is -1 per frame
 function countFramesTillBelow(y, vy, limit) {