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Add scroll is_node_in_view function

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Insality
2020-11-08 13:34:15 +03:00
parent 4730da768f
commit ad59c30a89
3 changed files with 29 additions and 2 deletions
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13
druid/helper.lua
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@@ -186,16 +186,25 @@ end
--- Distance from node to size border
-- @function helper.get_border
-- @return vector4 (left, top, right, down)
function M.get_border(node)
function M.get_border(node, offset)
local pivot = gui.get_pivot(node)
local pivot_offset = M.get_pivot_offset(pivot)
local size = vmath.mul_per_elem(gui.get_size(node), gui.get_scale(node))
return vmath.vector4(
local border = vmath.vector4(
-size.x*(0.5 + pivot_offset.x),
size.y*(0.5 - pivot_offset.y),
size.x*(0.5 - pivot_offset.x),
-size.y*(0.5 + pivot_offset.y)
)
if offset then
border.x = border.x + offset.x
border.y = border.y + offset.y
border.z = border.z + offset.x
border.w = border.w + offset.y
end
return border
end