Let shaders be returned as arrays

lib/make/shaders.js

@@ -3,8 +3,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 make.shaders = {
-  fragment1: function () {
-    return random.pick([
+  fragment1: [
     [
       '#ifdef GL_ES',
       'precision mediump float;',
@@ -23,10 +22,8 @@ make.shaders = {
       'gl_FragColor = vec4(texelColor.rgb * vLighting, texelColor.a);',
       '}'
     ]
-    ])
-  },
-  vertex1: function () {
-    return random.pick([
+  ],
+  vertex1: [
     [
       'attribute vec4 aVertex;',
       'attribute vec4 aColor;',
@@ -56,10 +53,8 @@ make.shaders = {
       'vLighting = ambientLight + (directionalLightColor * directional);',
       '}'
     ]
-    ])
-  },
-  fragment2: function () {
-    return random.pick([
+  ],
+  fragment2: [
     [
       'varying highp vec2 vTextureCoord;',
       'varying highp vec3 vLighting;',
@@ -88,10 +83,8 @@ make.shaders = {
       'gl_FragData[2]=vec4(specularFactor,specularHardness*0.1,0.0,1.0);',
       '}'
     ]
-    ])
-  },
-  vertex2: function () {
-    return random.pick([
+  ],
+  vertex2: [
     [
       'attribute highp vec3 aVertexNormal;',
       'attribute highp vec3 aVertexPosition;',
@@ -134,8 +127,7 @@ make.shaders = {
       'varyingUV = vertexUV;',
       '}'
     ]
-    ])
-  },
+  ],
   shaderPair: function (v, f) {
     let i = random.number(v.length)
     return {