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Better wiggle prevention when stopping the cart

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SmallJoker 2017-10-09 12:55:50 +02:00
parent e3688b5380
commit ad93d338b3
1 changed files with 19 additions and 20 deletions
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39
cart_entity.lua
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@ -160,9 +160,11 @@ function cart_entity:on_step(dtime)
end end
local pos = self.object:get_pos() local pos = self.object:get_pos()
local cart_dir = boost_cart:velocity_to_dir(vel)
local update = {} local update = {}
if self.old_pos and not self.punched then if self.old_pos and not self.punched
and vector.equals(cart_dir, self.old_dir) then
local flo_pos = vector.round(pos) local flo_pos = vector.round(pos)
local flo_old = vector.round(self.old_pos) local flo_old = vector.round(self.old_pos)
if vector.equals(flo_pos, flo_old) then if vector.equals(flo_pos, flo_old) then
@ -181,7 +183,7 @@ function cart_entity:on_step(dtime)
end end
end end
local cart_dir = boost_cart:velocity_to_dir(vel) local stop_wiggle = false
if self.old_pos and vector.equals(cart_dir, self.old_dir) then if self.old_pos and vector.equals(cart_dir, self.old_dir) then
-- Detection for "skipping" nodes (perhaps use average dtime?) -- Detection for "skipping" nodes (perhaps use average dtime?)
-- It's sophisticated enough to take the acceleration in account -- It's sophisticated enough to take the acceleration in account
@ -200,18 +202,29 @@ function cart_entity:on_step(dtime)
update.pos = true update.pos = true
cart_dir = new_dir cart_dir = new_dir
end end
elseif self.old_pos and cart_dir.y ~= -1 and not self.punched then
-- Stop wiggle
stop_wiggle = true
end end
-- dir: New moving direction of the cart -- dir: New moving direction of the cart
-- switch_keys: Currently pressed L/R key, used to ignore the key on the next rail node -- switch_keys: Currently pressed L(1) or R(2) key,
-- used to ignore the key on the next rail node
local dir, switch_keys = boost_cart:get_rail_direction( local dir, switch_keys = boost_cart:get_rail_direction(
pos, cart_dir, ctrl, self.old_switch, self.railtype pos, cart_dir, ctrl, self.old_switch, self.railtype
) )
local new_acc = {x=0, y=0, z=0} local new_acc = {x=0, y=0, z=0}
if vector.equals(dir, {x=0, y=0, z=0}) then if stop_wiggle or vector.equals(dir, {x=0, y=0, z=0}) then
vel = {x=0, y=0, z=0} vel = {x=0, y=0, z=0}
pos = vector.round(pos) local pos_r = vector.round(pos)
if not boost_cart:is_rail(pos_r, self.railtype) then
pos = self.old_pos
elseif not stop_wiggle then
pos = pos_r
else
pos.y = math.floor(pos.y + 0.5)
end
update.pos = true update.pos = true
update.vel = true update.vel = true
else else
@ -278,20 +291,6 @@ function cart_entity:on_step(dtime)
acc = 0 acc = 0
end end
if self.old_dir.y ~= 1 and not self.punched then
-- Stop the cart swing between two rail parts (handbrake)
if vector.equals(vector.multiply(self.old_dir, -1), dir) then
vel = {x=0, y=0, z=0}
acc = 0
if self.old_pos then
pos = vector.new(self.old_pos)
update.pos = true
end
dir = vector.new(self.old_dir)
update.vel = true
end
end
new_acc = vector.multiply(dir, acc) new_acc = vector.multiply(dir, acc)
end end
boost_cart.on_rail_step(self, vector.round(pos)) boost_cart.on_rail_step(self, vector.round(pos))
@ -308,7 +307,7 @@ function cart_entity:on_step(dtime)
self.object:set_acceleration(new_acc) self.object:set_acceleration(new_acc)
self.old_pos = vector.round(pos) self.old_pos = vector.round(pos)
if not vector.equals(dir, {x=0, y=0, z=0}) then if not vector.equals(dir, {x=0, y=0, z=0}) and not stop_wiggle then
self.old_dir = dir self.old_dir = dir
end end
self.old_switch = switch_keys self.old_switch = switch_keys