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Performance Improvements

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ElCeejo 2022-08-09 15:18:47 -07:00
parent a71cf18e84
commit b8de610493
5 changed files with 144 additions and 101 deletions
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45
methods.lua
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@ -32,15 +32,15 @@ local vec_add = vector.add
local yaw2dir = minetest.yaw_to_dir
local dir2yaw = minetest.dir_to_yaw
--[[local function debugpart(pos, time, tex)
local function debugpart(pos, time, tex)
minetest.add_particle({
pos = pos,
texture = tex or "creatura_particle_red.png",
expirationtime = time or 3,
expirationtime = time or 0.55,
glow = 6,
size = 1
size = 8
})
end]]
end
---------------------
-- Local Utilities --
@ -101,7 +101,7 @@ end
return false
end]]
local function get_collision(self)
function creatura.get_collision(self)
local yaw = self.object:get_yaw()
local pos = self.object:get_pos()
if not pos then return end
@ -113,41 +113,36 @@ local function get_collision(self)
-- Loop
local pos_x, pos_z = ahead.x, ahead.z
for x = -width, width, width / ceil(width) do
local vec1 = {
x = cos(yaw) * ((pos_x + x) - pos_x) + pos_x,
y = pos.y + height,
z = sin(yaw) * ((pos_x + x) - pos_x) + pos_z
}
local vec2 = {
x = cos(yaw) * ((pos_x + x) - pos_x) + pos_x,
y = pos.y,
z = sin(yaw) * ((pos_x + x) - pos_x) + pos_z
}
local ray = raycast(vec1, vec2, false)
if ray then
local collision = ray.intersection_point
if collision.y - pos.y <= (self.stepheight or 1.1) then
local step = creatura.get_node_def({x = vec1.x, y = vec1.y + 0.5, z = vec1.z})
if step.walkable then
return true, collision
end
for y = 0, height, height / ceil(height) do
local pos2 = {
x = cos(yaw) * ((pos_x + x) - pos_x) + pos_x,
y = pos.y + y,
z = sin(yaw) * ((pos_x + x) - pos_x) + pos_z
}
if pos2.y - pos.y > (self.stepheight or 1.1)
and creatura.get_node_def(pos2).walkable then
return true, pos2
end
end
end
return false
end
local get_collision = creatura.get_collision
local function get_avoidance_dir(self)
local pos = self.object:get_pos()
if not pos then return end
local _, col_pos = get_collision(self)
if col_pos then
local vel = self.object:get_velocity()
local ahead = vec_add(pos, vec_normal(self.object:get_velocity()))
vel.y = 0
local vel_len = vec_len(vel) * (1 + (self.step_delay or 0))
local ahead = vec_add(pos, vec_normal(vel))
local avoidance_force = vector.subtract(ahead, col_pos)
avoidance_force.y = 0
local vel_len = vec_len(vel)
avoidance_force = vec_multi(vec_normal(avoidance_force), (vel_len > 1 and vel_len) or 1)
debugpart(vec_add(ahead, avoidance_force))
return vec_dir(pos, vec_add(ahead, avoidance_force))
end
end