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Make friction not apply in air, change how the two node physics accumulate

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teknomunk 2024-05-04 11:36:07 +00:00
parent 0d7a0a9413
commit 9c98588c3a
1 changed files with 22 additions and 5 deletions
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23
mods/ENVIRONMENT/mcl_physics/init.lua
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@ -65,19 +65,36 @@ local function apply_node_physics(node, vel, staticdata, entity)
local accel = vector.zero()
-- Friction
if node.name ~= "air" then
local friction_scale = node_physics.friction
accel = accel + vel * -friction_scale
end
return vector.zero(), accel
end
mod.register_environment_effect(function(pos, vel, staticdata, entity)
local a = vector.zero()
local v = vector.zero()
-- Apply node physics for the node we are inside of
local pos1_r = vector.round(pos)
local v1,a1 = apply_node_physics(minetest.get_node(pos1_r), vel, staticdata, entity)
local node1 = minetest.get_node(pos1_r)
local v1,a1 = apply_node_physics(node1, vel, staticdata, entity)
v = v + v1
a = a + a1
-- TODO: only apply when touching under_node
local pos2_r = vector.offset(pos1_r,0,-1,0)
local v2,a2 = apply_node_physics(minetest.get_node(pos2_r), vel, staticdata, entity)
local node2 = minetest.get_node(pos2_r)
local v2,a2 = apply_node_physics(node2, vel, staticdata, entity)
v = v + v2
a = a + a2
return (v1 + v2), (a1 + a2)
-- Male speeds of less than 1/100 block/second count as zero
if vector.length(v) < 0.01 then
v = nil
end
return v,a
end)