REVIEWED: Makefile.Web, reorganize and add examples

examples/shaders/resources/shaders/glsl100/swirl.fs

@@ -42,5 +42,5 @@ void main()
     tc += center;
     vec4 color = texture2D(texture0, tc/texSize)*colDiffuse*fragColor;;
 
-    gl_FragColor = vec4(color.rgb, 1.0);;
+    gl_FragColor = vec4(color.rgb, 1.0);
 }

examples/shaders/resources/shaders/glsl100/tiling.fs

@@ -0,0 +1,21 @@
+#version 100
+
+precision mediump float;
+
+// Input vertex attributes (from vertex shader)
+varying vec2 fragTexCoord;
+varying vec4 fragColor;
+
+// Input uniform values
+uniform sampler2D diffuseMap;
+uniform vec4 tiling;
+
+// NOTE: Add here your custom variables
+
+void main()
+{
+    vec2 texCoord = fragTexCoord*tiling;
+    fragColor = texture2D(diffuseMap, texCoord);
+    
+    gl_FragColor = fragColor;
+}