Give smooth effect of UIImage Stratch [closed]

问题:

I am Creating one application and i required following effects. I don't know hot to start work. if any one know what is my first step for this effect then please guide me for how to stretch Hair like this.

effects Link1

effects Link2

I used following link and tutorial but not succeeded.

http://code.google.com/p/faceworkshop/

http://code.google.com/p/imgwarp-opencv/

http://docs.opencv.org/doc/tutorials/ios/table_of_content_ios/table_of_content_ios.html#table-of-content-ios

I think, I am going to wrong way...Plz help me.

回答1:

The effect look alike it's an OpenGL object with a texture where you change the coordinates of the vertex nearest to the touch point. The OpenGL object has to be constructed out of triangles matching the form, which is probably done based on the hair image.