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vfig

turrets now project a holographic targeting system onto the world; this will communicate their attack range as well as show some feedback as to how aware they are of you when youre just outside of attack range.

this test made it clear that i would need the hologram to be occluded by the wall, so it would not imply you were visible to the turret while hiding behind the wall.

(1/2)

a grid of glowing green crosshairs hangs in the air in front of the gun turret, spread out as if on the surface of an invisible sphere. in the foreground, a low wall blocks vision to the turret; but the hologram is visible on the near side of the wall regardless.
#projectargh#gamedev#imsim
Aug 15, 2023, 10:04 AM·Public
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vfig

so i am using render-to-texture to draw the scene from the turret's point of view, and sampling that texture in the particles to see if they are occluded or not.

however you can easily see in the rtt preview that there is a misalignment: the particle positions do not match up very well with the positions i am sampling in the rtt texture; there is a spherical distortion i have yet to fix.

(2/2)

the same view as in the previous toot; but where the crosshairs were are now opaque squares hanging in the air, either black or white depending on if i the game thinks they are occluded or not. in the top left corner, the view from the turret itself is overlaid, showing the particle rectangles on top of a scene view where bright pink highlights the areas that are be unoccluded. the black and white colouring of the particles ought to match up with the pink areas, but they are bent out of shape and only very roughly line up.
#projectargh#gamedev#imsim
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