You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
39 lines
502 B
Lua
39 lines
502 B
Lua
local ecs = require "ecs"
|
|
|
|
local w = ecs.world()
|
|
|
|
w:register {
|
|
name = "key",
|
|
type = "int",
|
|
}
|
|
|
|
w:register {
|
|
name = "temp",
|
|
type = "lua",
|
|
}
|
|
|
|
for i = 1, 10 do
|
|
w:new { key = i }
|
|
end
|
|
|
|
local function add_temp(i)
|
|
for v in w:select "key:in temp?temp" do
|
|
if v.key == i then
|
|
v.temp = "Temp"
|
|
end
|
|
end
|
|
end
|
|
|
|
local function print_entity()
|
|
for v in w:select "key:in temp:in" do
|
|
print(v.key, v.temp)
|
|
end
|
|
end
|
|
|
|
add_temp(5)
|
|
print_entity()
|
|
|
|
add_temp(6)
|
|
print_entity()
|
|
|
|
assert(pcall(add_temp, 4) == false) |