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removing the old backup file

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Alexsandro Percy 2024-11-16 10:33:57 -03:00
parent f5393b11e1
commit d33829cbfd
1 changed files with 0 additions and 65 deletions
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65
automobiles_lib/custom_physics (cópia 1).lua
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@ -1,65 +0,0 @@
local min = math.min
local abs = math.abs
function automobiles_lib.physics(self)
local friction = 0.99
local vel=self.object:get_velocity()
-- dumb friction
if self.isonground and not self.isinliquid then
--minetest.chat_send_all('okay')
self.object:add_velocity({x=vel.x*friction-vel.x,
y=0,
z=vel.z*friction-vel.z})
end
-- bounciness
if self.springiness and self.springiness > 0 then
local vnew = vector.new(vel)
if not self.collided then -- ugly workaround for inconsistent collisions
for _,k in ipairs({'y','z','x'}) do
if vel[k]==0 and abs(self.lastvelocity[k])> 0.1 then
vnew[k]=-self.lastvelocity[k]*self.springiness
end
end
end
if not vector.equals(vel,vnew) then
self.collided = true
else
if self.collided then
vnew = vector.new(self.lastvelocity)
end
self.collided = false
end
self.object:add_velocity(vector.subtract(vel, vnew))
end
-- buoyancy
local surface = nil
local surfnodename = nil
local spos = automobiles_lib.get_stand_pos(self)
spos.y = spos.y+0.01
-- get surface height
local snodepos = automobiles_lib.get_node_pos(spos)
local surfnode = automobiles_lib.nodeatpos(spos)
while surfnode and (surfnode.drawtype == 'liquid' or surfnode.drawtype == 'flowingliquid') do
surfnodename = surfnode.name
surface = snodepos.y +0.5
if surface > spos.y+self.height then break end
snodepos.y = snodepos.y+1
surfnode = automobiles_lib.nodeatpos(snodepos)
end
self.isinliquid = surfnodename
--normal use
if surface then -- standing in liquid
-- self.isinliquid = true
local submergence = min(surface-spos.y,self.height)/self.height
-- local balance = self.buoyancy*self.height
local buoyacc = (automobiles_lib.gravity*-1)*(self.buoyancy-submergence)
automobiles_lib.set_acceleration(self.object,
{x=-vel.x*self.water_drag,y=buoyacc-vel.y*abs(vel.y)*0.4,z=-vel.z*self.water_drag})
end
end