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Author Topic: How to see if there is a clear path between two sprites?  (Read 1300 times)

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wh1t3crayon

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How to see if there is a clear path between two sprites?
« on: November 18, 2014, 10:49:42 pm »
So let's say I have two objects and a bunch of walls or other obstructions on screen. What would be a way to see if the two objects (sprites, cursor and a sprite, etc) have a clear, unobstructed line of sight to each other (like the line of sight feature in Heroscape if there are any fans out there :P)? I tried extending a sf::FloatRect from one object to the next, and seeing if that collided with any of the wall objects, but you can't rotate floatrect objects so that won't work. Any other ideas?

dabbertorres

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wh1t3crayon

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Re: How to see if there is a clear path between two sprites?
« Reply #2 on: November 19, 2014, 12:51:35 am »
So going off the ray casting implementation, I would use an sf::VertexArray to assemble all the different triangles?