android - Is it possible to clear drawn particular square from the drafting screen in OpenGL ES 2.0? -


i in process of developing drafting tool using opengl es 2.0, have made arrangement draw lines & circles using button click. need presently indicate edges of line snap line can drawn end of line. snap should indicated box indicates edge been selected , line or circle made draw edge, box should disappear. can in clearing particular box drawn in drafting screen while other lines circles drawn using button click remain in screen ?

i don't think right answer because depends on code rendering items. don't render snap box if don't want to.


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