garden/room.lua

58 lines
1 KiB
Lua

local util = require('util')
local window = require('window')
local entity = require('entity')
-- prototype of room
-- - background
-- - objects
-- - edges
local room = entity:from{
lines = {
{'line', 0, 0, 120, 80},
{'line', 320, 0, 200, 80},
{'line', 0, 240, 120, 160},
{'line', 320, 240, 200, 160},
{'fill', 120, 80, 200, 80, 200, 160, 200, 80},
},
}
local from = room.from
function room:from(t)
local r = from(self, t)
r.edges = {}
r.objects = {}
return r
end
function room:insert(obj)
util.add_entity(self.objects, obj)
end
function room:remove(obj)
util.del_entity(self.objects, obj)
end
room.mousepressed = window.propagate{'edges', 'objects'}
function room:draw()
self:draw_lines(self.lines)
for i, v in ipairs(self.objects) do
v:draw()
end
for i, v in ipairs(self.edges) do
v:draw()
end
end
function room.calc_align(width, height)
local sx = (320 - width)/2
local sy = (240 - height)/2
return sx, sy
end
return room