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local glm = require 'honey.glm'
local Vec3 = glm.Vec3
local ode = honey.ode
local module = {}
setmetatable(module, {__index=_G})
setfenv(1, module)
--===== collision space =====--
local function createGeom(self, id, collision)
local geom
if collision.class == "sphere" then
geom = ode.CreateSphere(self.space, collision.radius)
elseif collision.class == "capsule" then
geom = ode.CreateCapsule(self.space, collision.radius, collision.length)
elseif collision.class == "plane" then
local node = self.db:getComponent(id, "node")
local m = node.matrix
local normal = node.matrix:mulv3(Vec3{0,1,0}):normalize()
local position = Vec3{m[1][4], m[2][4], m[3][4]}
print(position)
local d = normal:dot(position)
print(normal, d)
geom = ode.CreatePlane(self.space, normal[1], normal[2], normal[3], d)
end
ode.GeomSetData(geom, id)
collision._geom = geom
collision._gc = honey.util.gc_canary(function()
print("release geom for id"..id)
ode.GeomDestroy(geom)
end)
end
system = function(params)
local db = params.db
local space = params.space
return {
db=db,
space=space,
priority=0,
update = function(self, dt)
local query = self.db:queryComponent("collision")
for id, collision in pairs(query) do
if not collision._geom then
createGeom(self, id, collision)
print(id, collision._geom)
end
end
end
}
end
return module
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