CS0119 报错

问题 ：Assets/cudeCM.cs(26,36): error CS0119: Expression denotes a `type', where a `variable', `value' or `method group' was expected

办法：
It's C#, so you need the new keyword when you create an object;
transform.position = transform.rotation * (new Vector3(0.0, 0.0, -distance)) + target.position;

or as alternative use one of the constants:（或作为替代使用一个常量：）
transform.position = transform.rotation * (Vector3.forward* -distance) + target.position;


问题2

GL_BGRA_EXT
办法：
将

#include <OpenGLES/ES2/gl.h>

改成了

#include <OpenGLES/ES2/glext.h>

编译通过。

问题
InvalidCastException: Cannot cast from source type to destination type.


问题
BCE0020: An instance of type 'UnityEngine.Transform' is required to access non static member 'position
方法：看现在的可行的方法
http://game.ceeger.com/Script/Transform/Transform.position.html

问题
NullReferenceException: Object reference not set to an instance of an object