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< > BotCompany Repo | #388 // Rectangle functions (stringtorect, newRectangle, recttostring, ...)

Lua code

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function newRectangle(x, y, w, h)
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  return {x=x, y=y, width=w, height=h}
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end
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function stringtorect(s)
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  local _, _, x1, y1, x2, y2 = string.find(s, "(%d+),%s*(%d+),%s*(%d+),%s*(%d+)")
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  x1, y1, x2, y2 = tonumber(x1), tonumber(y1), tonumber(x2), tonumber(y2)
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  return newRectangle(x1, y1, x2-x1, y2-y1)
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end
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function recttostring(r)
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  return r.x..", "..r.y..", "..r.x+r.width..", "..r.y+r.height
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end
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function mergeRectangles(r, s)
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  local x, y = math.min(r.x, s.x), math.min(r.y, s.y)
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  local x2, y2 = math.max(r.x+r.width, s.x+s.width), math.max(r.y+r.height, s.y+s.height)
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  return newRectangle(x, y, x2-x, y2-y)
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end
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-- assumes f is an int
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function scaleRectangle(r, f)
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  return newRectangle(r.x*f, r.y*f, r.width*f, r.height*f)
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end
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function translateRect(r, x, y)
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  return newRectangle(r.x+x, r.y+y, r.width, r.height)
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end

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Snippet ID: #388
Snippet name: Rectangle functions (stringtorect, newRectangle, recttostring, ...)
Eternal ID of this version: #388/1
Text MD5: 598681b5832392a5b6e5960de28cd884
Author: stefan
Category: utility functions
Type: Lua code
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2015-02-08 19:17:15
Source code size: 855 bytes / 28 lines
Pitched / IR pitched: No / Yes
Views / Downloads: 613 / 267
Referenced in: [show references]