Revision Difference
util.PixelVisible#512301
<function name="PixelVisible" parent="util" type="libraryfunc">⤶
<description>Returns the visibility of a sphere in the world.</description>⤶
<realm>Client</realm>⤶
<args>⤶
<arg name="position" type="Vector">The center of the visibility test.</arg>⤶
<arg name="radius" type="number">The radius of the sphere to check for visibility.</arg>⤶
<arg name="PixVis" type="pixelvis handle t">The PixVis handle created with <page>util.GetPixelVisibleHandle</page>.

<warning>Don't use the same handle twice per tick or it will give unpredictable results.</warning></arg>⤶
</args>⤶
<rets>⤶
<ret name="" type="number">Visibility, ranges from 0-1. 0 when none of the area is visible, 1 when all of it is visible.</ret>⤶
</rets>⤶
</function>⤶
⤶
<example>⤶
<description>Draws a box when the center of the map is visible on your screen.</description>⤶
<code>⤶
local PixVis⤶
function SetupPixVis()⤶
PixVis = util.GetPixelVisibleHandle()⤶
end⤶
hook.Add("Initialize", "SetupPixVis", SetupPixVis)⤶
⤶
function TestPixelVisibility()⤶
local visible = util.PixelVisible(Vector(0, 0, 0), 16, PixVis)⤶
⤶
if visible && visible != 0 then⤶
draw.RoundedBox( 10, 0, 0, 100, 100, Color(0, 0, 0, 200 * visible) )⤶
end⤶
end⤶
hook.Add("HUDPaint", "TestPixelVisibility", TestPixelVisibility)⤶
</code>⤶
⤶
</example>
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