水果忍者之刃效果
我想做水果忍者之刃。我正在使用cocos2d，而MotionStreak对此来说真的很难看。 MotionStreak 还有其他方法或更好的设置吗？也许粒子系统？有没有类似于 ParticleDesigner 的免费好工具？
i want to make fruit ninja blade. i am using cocos2d and the MotionStreak is really ugly for this. Any other approach or better settings for MotionStreak? maybe particle system? any free great tools similar to ParticleDesigner?
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我有自己的实现，其中使用纹理映射的 OpenGL 三角形条带。如果相邻点之间的距离足够小，刀片就会非常光滑。我使用线性插值在距离大于预定义常数的两点之间插入更多点。我正在考虑使用 2 阶插值，但实现起来比较困难，而且性能可能会降低。
源代码可在此处获取 https://github.com/hiepnd/CCBlade
I have my own implementation with OpenGL triangle strips mapped with texture. The blade is very smooth if the distances between adjacent points are small enough. I use linear interpolation to insert more points between two points which the distance is greater than a predefined constant. I'm thinking of use order 2 interpolation but the implementation is more difficult and the performance may reduces.
Source code is available here https://github.com/hiepnd/CCBlade
我不知道这需要付出多少努力，但问题是您可以创建和更改滤镜的形状，只需应用白色到灰色的渐变作为它的纹理，它就会给出非常好的外观结果。我自己正在使用cocos2d-x（它只是cocos2d的C++端口），它有动态过滤器的示例（就像你创建和操作一个网格，所有的事情都是自动完成的），它使用CCActionGrid类，但我只是尚未使用过此类，如果您无法使用该类解决您的问题，请让我进行更深入的搜索。
i don't know how much effort it will take but the thing is you can create and change shape of filter and just apply a white to gray gradient as it's texture, it'll give a very good looking results. i myself am working with cocos2d-x (it's just a c++ port of cocos2d) and it has samples for dynamic filters (it's just like you create and manipulate a mesh and all the things are done automaticaly), it uses CCActionGrid class but i just didn't used this class yet if you couln't solve your problem using that ask me to search deeper.
http://pixlatedstudios.com/2012/02/fruit-ninja- like-blade-effect/
值得一试！！！！基于 hiepnd CCBlade 教程。
http://pixlatedstudios.com/2012/02/fruit-ninja-like-blade-effect/
Worth Checking out!!!! based on hiepnd CCBlade tutorial.