fixed docs

experimental/collision/collision.go

@@ -2,7 +2,6 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// Package collision implements collision related algorithms and data structures.
 package collision
 
 import "github.com/g3n/engine/geometry"

experimental/collision/doc.go

@@ -0,0 +1,7 @@
+// Copyright 2016 The G3N Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package collision implements collision related algorithms and data structures.
+// WARNING: This package is experimental and incomplete!
+package collision

experimental/physics/doc.go

@@ -5,4 +5,3 @@
 // Package physics implements a basic physics engine.
 // WARNING: This package is experimental and incomplete!
 package physics
-