How dynamically draw shape by coords?

Development Rendering
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1

Hello! Im trying create something like fog of war with character vision. I think i need create texture or mask with specific shape that changes dynamically. I have coord of this shape vertices, but what i need to use to draw it? I can’t find anything. I need to draw shape like this (orange line):

1568×625 158 KB

Or there is more proper way to create this?

2

So, i solved this just with drawing multiple triangles between player point and 2 adjacent points in line tracing results
Something like this:

999×530 310 KB