diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 400f847..328badc 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -344,6 +344,8 @@
 BaseTexture.prototype.dispose = function ()
 {
     this.emit('dispose', this);
+
+    this._glTextures.length = 0;
 };
 
 /**

diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 400f847..328badc 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -344,6 +344,8 @@
 BaseTexture.prototype.dispose = function ()
 {
     this.emit('dispose', this);
+
+    this._glTextures.length = 0;
 };
 
 /**
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 5573caf..28794de 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -234,13 +234,23 @@
  */
 Texture.prototype.destroy = function (destroyBase)
 {
-    if (destroyBase)
+    if (this.baseTexture)
     {
-        this.baseTexture.destroy();
+        if (destroyBase)
+        {
+            this.baseTexture.destroy();
+        }
+
+        this.baseTexture.off('update', this.onBaseTextureUpdated);
+        this.baseTexture.off('loaded', this.onBaseTextureLoaded);
+
+        this.baseTexture = null;
     }
 
-    this.baseTexture.off('update', this.onBaseTextureUpdated);
-    this.baseTexture.off('loaded', this.onBaseTextureLoaded);
+    this._frame = null;
+    this._uvs = null;
+    this.trim = null;
+    this.crop = null;
 
     this.valid = false;
 };

diff --git a/src/core/textures/BaseTexture.js b/src/core/textures/BaseTexture.js
index 400f847..328badc 100644
--- a/src/core/textures/BaseTexture.js
+++ b/src/core/textures/BaseTexture.js
@@ -344,6 +344,8 @@
 BaseTexture.prototype.dispose = function ()
 {
     this.emit('dispose', this);
+
+    this._glTextures.length = 0;
 };
 
 /**
diff --git a/src/core/textures/Texture.js b/src/core/textures/Texture.js
index 5573caf..28794de 100644
--- a/src/core/textures/Texture.js
+++ b/src/core/textures/Texture.js
@@ -234,13 +234,23 @@
  */
 Texture.prototype.destroy = function (destroyBase)
 {
-    if (destroyBase)
+    if (this.baseTexture)
     {
-        this.baseTexture.destroy();
+        if (destroyBase)
+        {
+            this.baseTexture.destroy();
+        }
+
+        this.baseTexture.off('update', this.onBaseTextureUpdated);
+        this.baseTexture.off('loaded', this.onBaseTextureLoaded);
+
+        this.baseTexture = null;
     }
 
-    this.baseTexture.off('update', this.onBaseTextureUpdated);
-    this.baseTexture.off('loaded', this.onBaseTextureLoaded);
+    this._frame = null;
+    this._uvs = null;
+    this.trim = null;
+    this.crop = null;
 
     this.valid = false;
 };
diff --git a/src/extras/BitmapText.js b/src/extras/BitmapText.js
index eddb52e..d8fbd7d 100644
--- a/src/extras/BitmapText.js
+++ b/src/extras/BitmapText.js
@@ -32,6 +32,8 @@
 {
     core.Container.call(this);
 
+    style = style || {};
+
     /**
      * The width of the overall text, different from fontSize,
      * which is defined in the style object
@@ -144,7 +146,7 @@
         },
         set: function (value)
         {
-            this._font.align = value;
+            this._font.align = value || 'left';
 
             this.dirty = true;
         }
@@ -163,6 +165,10 @@
         },
         set: function (value)
         {
+            if (!value) {
+                return;
+            }
+
             if (typeof value === 'string') {
                 value = value.split(' ');