40 lines
972 B
Lua
40 lines
972 B
Lua
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-- type -> texture-name
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local textures = {
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arrow = "building_lib_arrow.png"
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}
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-- name -> vector
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-- assuming texture points upwards originally
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local rotations = {
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["z-"] = { x=math.pi/2, y=0, z=0 },
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["z+"] = { x=math.pi/2, y=0, z=math.pi },
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["x+"] = { x=math.pi/2, y=0, z=math.pi/2 },
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["x-"] = { x=math.pi/2, y=0, z=-math.pi/2 }
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}
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function building_lib.create_marker(opts)
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-- apply sane defaults
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opts = opts or {}
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opts.pos = opts.pos or {}
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opts.type = opts.type or "arrow"
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opts.pos.x = opts.pos.x or 0
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opts.pos.y = opts.pos.y or 0
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opts.pos.z = opts.pos.z or 0
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opts.size = opts.size or 10
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if not textures[opts.type] then
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opts.type = "arrow"
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end
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if not rotations[opts.rotation] then
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opts.rotation = "z-"
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end
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return {
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texture = textures[opts.type],
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position = opts.pos,
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rotation = rotations[opts.rotation],
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size = {x=opts.size, y=opts.size}
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}
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end |