diff --git a/gulpfile.js b/gulpfile.js
index 3e4b80c..cb8c9f7 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -6,6 +6,7 @@ var plumber     = require('gulp-plumber');
 var istanbul    = require('gulp-istanbul');
 var mocha       = require('gulp-mocha');
 var watch       = require('gulp-watch');
+var preprocessor = require('gulp-c-preprocessor');
 
 gulp.task(
     'build',
@@ -58,10 +59,92 @@ gulp.task(
     }
 );
 
+
+gulp.task('compileRuntime', ['build'],
+    function() {
+        gulp.src(['./build/defines/runtime.js', './build/game-lib.js'])
+            .pipe(concat('game-lib-runtime.js'))
+            .pipe(preprocessor(
+                {
+                    // End of line character
+                    endLine: '\n',
+
+                    // Escape '//#' & '/*#' comments (see extra/comments)
+                    commentEscape: true,
+
+                    // Empty lines to add between code and included files
+                    includeSpaces: 0,
+
+                    // Limit of empty following lines (0 = no limit)
+                    emptyLinesLimit: 0,
+
+                    // Base path for including files
+                    basePath: './',
+
+                    // Stop the compiler when an error ocurred ?
+                    stopOnError: true,
+
+                    // Constants in #enum command must be in hexadecimal ?
+                    enumInHex: true
+
+                })
+            )
+            .pipe(minify({
+                ext:{
+                    src:'.js',
+                    min:'-min.js'
+                }
+            }))
+            .pipe(gulp.dest('./build/'));
+    }
+);
+
+gulp.task('compileEditor', ['build'],
+    function() {
+        gulp.src(['./build/defines/editor.js', './build/game-lib.js'])
+            .pipe(concat('game-lib-editor.js'))
+            .pipe(preprocessor(
+                {
+                    // End of line character
+                    endLine: '\n',
+
+                    // Escape '//#' & '/*#' comments (see extra/comments)
+                    commentEscape: true,
+
+                    // Empty lines to add between code and included files
+                    includeSpaces: 0,
+
+                    // Limit of empty following lines (0 = no limit)
+                    emptyLinesLimit: 0,
+
+                    // Base path for including files
+                    basePath: './',
+
+                    // Stop the compiler when an error ocurred ?
+                    stopOnError: true,
+
+                    // Constants in #enum command must be in hexadecimal ?
+                    enumInHex: true
+
+                })
+            )
+            .pipe(minify({
+                ext:{
+                    src:'.js',
+                    min:'-min.js'
+                }
+            }))
+            .pipe(gulp.dest('./build/'));
+    }
+);
+
+
 gulp.task(
     'default',
     [
-        'build'
+        'build',
+        'compileRuntime',
+        'compileEditor'
     ],
     function() {
         return watch([
@@ -69,7 +152,9 @@ gulp.task(
             ],
             function() {
                 gulp.start([
-                    'build'
+                    'build',
+                    'compileRuntime',
+                    'compileEditor'
                 ]);
             })
     }
diff --git a/src/game-lib-a.js b/src/game-lib-a.js
index b133e51..a48500a 100644
--- a/src/game-lib-a.js
+++ b/src/game-lib-a.js
@@ -22,4 +22,13 @@ if (typeof _ == 'undefined') {
     }
 
     var _ = require('lodash');
-}
\ No newline at end of file
+}
+
+
+//#ifdef RUNTIME__
+console.log("Loading runtime library...");
+//#endif
+
+//#ifdef EDITOR__
+console.log("Loading editor library...");
+//#endif
\ No newline at end of file
diff --git a/src/game-lib-component-mesh-permutation.js b/src/game-lib-component-mesh-permutation.js
index 6ca117d..bc1740d 100644
--- a/src/game-lib-component-mesh-permutation.js
+++ b/src/game-lib-component-mesh-permutation.js
@@ -31,6 +31,7 @@ GameLib.D3.ComponentMeshPermutation = function ComponentMeshPermutation(
     GameLib.D3.Utils.Extend(GameLib.D3.ComponentMeshPermutation, GameLib.D3.ComponentInterface);
 };
 
+//#ifdef RUNTIME__
 if(typeof THREE != "undefined") {
     ComponentMeshPermutation_quaternion = new THREE.Quaternion();
     ComponentMeshPermutation_quaternionCopy = new THREE.Quaternion();
@@ -67,4 +68,5 @@ GameLib.D3.ComponentMeshPermutation.prototype.onLateUpdate = function(
        parentEntity.mesh.quaternion.copy(ComponentMeshPermutation_quaternion);
        parentEntity.mesh.scale.copy(ComponentMeshPermutation_scale);
    }
-};
\ No newline at end of file
+};
+//#endif
\ No newline at end of file
diff --git a/src/game-lib-component-trigger-box-box.js b/src/game-lib-component-trigger-box-box.js
index 5aaa2cd..ec44abc 100644
--- a/src/game-lib-component-trigger-box-box.js
+++ b/src/game-lib-component-trigger-box-box.js
@@ -31,10 +31,12 @@ GameLib.D3.ComponentTriggerBoxBox = function ComponentTriggerBoxBox(
     this.onLeave = onLeave || null;
     this.onSetParent = onSetParent || null;
 
-    // runtime code
+    // defines code
     this.entitiesInside = [];
 };
 
+
+//#ifdef RUNTIME__
 if(typeof THREE != "undefined") {
     ComponentTriggerBoxBox_BB = new THREE.Box3();
     ComponentTriggerBoxBox_BBEntity = new THREE.Box3();
@@ -89,6 +91,8 @@ GameLib.D3.ComponentTriggerBoxBox.prototype.onUpdate = function(
         }
     }
 };
+//#endif
+
 
 GameLib.D3.ComponentTriggerBoxBox.prototype.onSetParentEntity = function(
     parentScene,
diff --git a/src/game-lib-component-trigger-box-sphere.js b/src/game-lib-component-trigger-box-sphere.js
index ad76876..9a45a94 100644
--- a/src/game-lib-component-trigger-box-sphere.js
+++ b/src/game-lib-component-trigger-box-sphere.js
@@ -29,10 +29,11 @@ GameLib.D3.ComponentTriggerBoxSphere = function ComponentTriggerBoxSphere(
     this.onLeave = onLeave || null;
     this.onSetParent = onSetParent || null;
 
-    // runtime code
+    // defines code
     this.entitiesInside = [];
 };
 
+//#ifdef RUNTIME__
 if(typeof THREE != "undefined") {
     ComponentTriggerBoxSphere_TargetPosition_Vec3 = new THREE.Vector3();
     ComponentTriggerBoxSphere_TargetRadius = 0.0;
@@ -115,6 +116,8 @@ GameLib.D3.ComponentTriggerBoxSphere.prototype.onUpdate = function(
     }
 };
 
+//#endif
+
 GameLib.D3.ComponentTriggerBoxSphere.prototype.onSetParentEntity = function(
     parentScene,
     parentEntity
diff --git a/src/game-lib-component-trigger-sphere-sphere.js b/src/game-lib-component-trigger-sphere-sphere.js
index 0f68a81..960515c 100644
--- a/src/game-lib-component-trigger-sphere-sphere.js
+++ b/src/game-lib-component-trigger-sphere-sphere.js
@@ -41,10 +41,11 @@ GameLib.D3.ComponentTriggerSphereSphere = function ComponentTriggerSphereSphere(
     this.onLeave = onLeave || null;
     this.onSetParent = onSetParent || null;
 
-    // runtime code
+    // defines code
     this.entitiesInside = [];
 };
 
+//#ifdef RUNTIME__
 if(typeof THREE != "undefined") {
     ComponentTriggerSphereSphere_spherePosition_Vector3 = new THREE.Vector3();
     ComponentTriggerSphereSphere_targetBoundingSpherePosition_Vector3 = new THREE.Vector3();
@@ -126,6 +127,8 @@ GameLib.D3.ComponentTriggerSphereSphere.prototype.onUpdate = function(
     }
 };
 
+//#endif
+
 GameLib.D3.ComponentTriggerSphereSphere.prototype.onSetParentEntity = function(
     parentScene,
     parentEntity
diff --git a/src/game-lib-component-vehicle-ai-object-avoidance.js b/src/game-lib-component-vehicle-ai-object-avoidance.js
index 112965f..b768544 100644
--- a/src/game-lib-component-vehicle-ai-object-avoidance.js
+++ b/src/game-lib-component-vehicle-ai-object-avoidance.js
@@ -30,6 +30,8 @@ GameLib.D3.ComponentVehicleAIObjectAvoidance = function(
     console.log("constructor for : ComponentVehicleAIObjectAvoidance");
 };
 
+//#ifdef RUNTIME__
+
 /////////////////////////////////////////////////////////////////////////
 ///////////////////////// Methods to override ///////////////////////////
 /////////////////////////////////////////////////////////////////////////
@@ -563,4 +565,6 @@ GameLib.D3.ComponentVehicleAIObjectAvoidance.prototype.onUpdate = function(
         }
 
     }
-};
\ No newline at end of file
+};
+
+//#endif
\ No newline at end of file
diff --git a/src/game-lib-component-vehicle-ai-path-steering.js b/src/game-lib-component-vehicle-ai-path-steering.js
index 5e3e341..981c3a4 100644
--- a/src/game-lib-component-vehicle-ai-path-steering.js
+++ b/src/game-lib-component-vehicle-ai-path-steering.js
@@ -49,6 +49,7 @@ GameLib.D3.ComponentVehicleAIPathSteering.prototype.onSetParentEntity = function
     }
 };
 
+//#ifdef RUNTIME__
 GameLib.D3.ComponentVehicleAIPathSteering.prototype.onUpdate = function(
     deltaTime,
     parentEntity
@@ -239,4 +240,5 @@ GameLib.D3.ComponentVehicleAIPathSteering.prototype.onUpdate = function(
 
     this.raycastVehicleComponent.instance.applyEngineForce(-3500, 2);
     this.raycastVehicleComponent.instance.applyEngineForce(-3500, 3);
-};
\ No newline at end of file
+};
+//#endif
\ No newline at end of file