Gridwave test

index.html

@@ -85,6 +85,13 @@
                 gl_FragColor = vec4(color,1.0);
             }
         </script>
+    <script id="ndc-vs" type="x-shader/x-vertex">
+        attribute vec3 positionAttr;
+     
+        void main(void) {
+            gl_Position = vec4(positionAttr, 1.0);
+        }
+    </script>
     <script id="default-fs" type="x-shader/x-fragment">
         precision mediump float;
 
@@ -92,13 +99,14 @@
             gl_FragColor = vec4(0.0,0.0,1.0,1.0);
         }
     </script>
-    <script id="ndc-vs" type="x-shader/x-vertex">
+    <script id="default-vs" type="x-shader/x-vertex">
             attribute vec3 positionAttr;
 
             uniform mat4 MVP;
+            uniform float uTime;
          
             void main(void) {
-                gl_Position = MVP * vec4(positionAttr, 1.0);
+                gl_Position = MVP * vec4(positionAttr.x,positionAttr.y,positionAttr.z + cos(positionAttr.x*8. + uTime * 0.001), 1.0);
             }
         </script>
 </header>