GE Lua Documentation

getNodesFromPathDist

Definition

-- @/lua/ge/map.lua:2602

local function getNodesFromPathDist(path, dist)
  -- finds and returns nodes and an xnorm based on distance along path
  local mapNodes = map.nodes
  if not mapNodes or not path or not path[2] then return end
  local pathCount = #path
  dist = dist or huge

  for i = 1, pathCount - 1 do
    local n1, n2 = path[i], path[i + 1]
    if mapNodes[n1] and mapNodes[n2] then
      local length = mapNodes[n1].pos:distance(mapNodes[n2].pos)

      if dist > length then
        dist = dist - length
      else
        return n1, n2, clamp(dist / (length + 1e-30), 0, 1)
      end
    end
  end

  return path[pathCount - 1], path[pathCount], 1
end

Callers

    local n1, n2, xnorm = map.getNodesFromPathDist(path, dist)
    local p1, p2 = mapNodes[n1].pos, mapNodes[n2].pos