diff --git a/projects/projectile/index.js b/projects/projectile/index.js
index 9d11e8c..f27f474 100644
--- a/projects/projectile/index.js
+++ b/projects/projectile/index.js
@@ -11,7 +11,7 @@ let projectile= function (node){
     let dots=[] // Dots that show projectile path
     
     node.setup = function() {
-        c=node.createCanvas(width, height);
+        c=node.createCanvas(Math.min(window.innerWidth,width), height);
         v0t=node.createElement('p', '');
         katex.render("v_0", v0t.elt);
         v0t.elt.style.color="#b4b4b4"