graphics - Suppress redraw when calling polygon in R -

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I want to attract 60,000+ non-overlapping triangles (part of an unstructured triangular trap) in a plot in R. Currently, it takes 15-20 minutes per plot, which makes it impossible to use it to make animations. For example, 

  n & lt; - 100 # copy it to 60,000 x   
 Is it possible to suppress polygon () by recycling after polygon? I'm guessing this is the most time-consuming step, and it is not mentioned in the man page. Alternative tips will be appreciated on how to achieve this. Thank you.   
 
 
 You can pass multiple polygons at  polygon . Separation of what you have to do is different from  NA . Here's a code:  
  Cut   < P> Works fast I tested to control the seed and compare with the plot generated by your code.

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