Calm plane, smoother terrain

assets/index.html

@@ -39,10 +39,10 @@
 
     function getHeight(x, y) {
         var h = 0;
-        h += Math.sin(x / 200) * 80;
+        h += Math.sin(x / 300) * 50;
-        h += Math.cos(y / 200) * 80;
+        h += Math.cos(y / 300) * 50;
-        h += Math.sin(x / 100 + y / 200) * 40;
+        h += Math.sin(x / 150 + y / 300) * 25;
-        h += Math.cos(y / 100 - x / 200) * 30;
+        h += Math.cos(y / 150 - x / 300) * 20;
         return h;
     }
 
@@ -114,9 +114,9 @@
     var yawT = 0, rollT = 0, pitchT = 0;
 
     function drawPlane() {
-        var yaw = Math.sin(Date.now() / 1500) * 0.3;
+        var yaw = Math.sin(Date.now() / 3000) * 0.1;
-        var roll = Math.sin(Date.now() / 800) * 0.3;
+        var roll = Math.sin(Date.now() / 2500) * 0.08;
-        var pitch = Math.cos(Date.now() / 1000) * 0.2;
+        var pitch = Math.cos(Date.now() / 2800) * 0.05;
 
         var transformed = planeVertices.map(function(v) {
             var x = v[0], y = v[1], z = v[2];