added sparks on the back of the spaceship

shaders/default_desktop.fragment

@@ -5,8 +5,8 @@ varying vec2 texCoord;
 void main() 
 {
 	vec4 color = texture2D(Texture,texCoord).rgba;
-    gl_FragColor = vec4(color.rgb*0.9 + vec3(0.1, 0.1, 0.1), 1.0);
+    //gl_FragColor = vec4(color.rgb*0.9 + vec3(0.1, 0.1, 0.1), 1.0);
 	
-	//gl_FragColor = color;
+	gl_FragColor = color;
 	
 }