diff --git a/sketch.js b/sketch.js
index 8a17a38..db8583d 100644
--- a/sketch.js
+++ b/sketch.js
@@ -527,21 +527,29 @@ function drawCanyon(t_canyon) {
     push();
     fill(palette.canyon_river_color);
     rect(t_canyon.x - t_canyon.width / 2, floorPos_y, t_canyon.width, height);
-    if (frameCount % 4 == 0) {
+
+    if ((frameCount % 2) == 0) {
         PointX = random(
-            t_canyon.x - t_canyon.width / 2,
-            t_canyon.x + t_canyon.width / 2
+            t_canyon.x - t_canyon.width / 2 + 5,
+            t_canyon.x + t_canyon.width / 2 - 5
         );
         PointY = random(floorPos_y, height);
-        if (t_canyon.points.length > 3) {
+        if (t_canyon.points.length > 2) {
             t_canyon.points.shift();
         }
-        t_canyon.points.add((PointX, PointY));
+        t_canyon.points.push([PointX, PointY, random(20, 100)]);
     }
-
     stroke(palette.canyon_river_wave_color);
     strokeWeight(5);
-    line(PointX, PointY, PointX, PointY + random(20, 100));
+    for (k=0; k < t_canyon.points.length; k++) {
+        line(
+            t_canyon.points[k][0],
+            t_canyon.points[k][1],
+            t_canyon.points[k][0],
+            t_canyon.points[k][1] + t_canyon.points[k][2]
+        );
+    }
+
     pop();
 }
 function drawCollectable(t_collectable) {