mtcontrib/Minetest-WorldEdit
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Fix volume of spheres, domes, and their hollow variants.

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Anthony Zhang 2013-06-24 18:21:48 -04:00
parent 48009b6c62
commit b6bc841c39
1 changed files with 13 additions and 5 deletions
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16
worldedit/primitives.lua
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@ -6,6 +6,7 @@ worldedit.hollow_sphere = function(pos, radius, nodename)
local node = {name=nodename, param1=0, param2=0}
local ignore = {name="ignore", param1=0, param2=0}
local nodes = {}
local count = 0
local min_radius, max_radius = radius * (radius - 1), radius * (radius + 1)
for x = -radius, radius do
for y = -radius, radius do
@ -13,6 +14,7 @@ worldedit.hollow_sphere = function(pos, radius, nodename)
local squared = x * x + y * y + z * z
if squared >= min_radius and squared <= max_radius then
insert(nodes, node)
count = count + 1
else
insert(nodes, ignore)
end
@ -20,7 +22,7 @@ worldedit.hollow_sphere = function(pos, radius, nodename)
end
end
minetest.place_schematic({x=pos.x - radius, y=pos.y - radius, z=pos.z - radius}, {size={x=radius * 2, y=radius * 2, z=radius * 2}, data=nodes})
return #nodes
return count
end
--adds a sphere centered at `pos` with radius `radius`, composed of `nodename`, returning the number of nodes added
@ -29,12 +31,14 @@ worldedit.sphere = function(pos, radius, nodename)
local node = {name=nodename, param1=0, param2=0}
local ignore = {name="ignore", param1=0, param2=0}
local nodes = {}
local count = 0
local max_radius = radius * (radius + 1)
for x = -radius, radius do
for y = -radius, radius do
for z = -radius, radius do
if x * x + y * y + z * z <= max_radius then
insert(nodes, node)
count = count + 1
else
insert(nodes, ignore)
end
@ -42,7 +46,7 @@ worldedit.sphere = function(pos, radius, nodename)
end
end
minetest.place_schematic({x=pos.x - radius, y=pos.y - radius, z=pos.z - radius}, {size={x=radius * 2, y=radius * 2, z=radius * 2}, data=nodes})
return #nodes
return count
end
--adds a hollow dome centered at `pos` with radius `radius`, composed of `nodename`, returning the number of nodes added
@ -51,6 +55,7 @@ worldedit.hollow_dome = function(pos, radius, nodename) --wip: use bresenham sph
local node = {name=nodename, param1=0, param2=0}
local ignore = {name="ignore", param1=0, param2=0}
local nodes = {}
local count = 0
local min_radius, max_radius = radius * (radius - 1), radius * (radius + 1)
for x = -radius, radius do
for y = 0, radius do
@ -58,6 +63,7 @@ worldedit.hollow_dome = function(pos, radius, nodename) --wip: use bresenham sph
local squared = x * x + y * y + z * z
if squared >= min_radius and squared <= max_radius then
insert(nodes, node)
count = count + 1
else
insert(nodes, ignore)
end
@ -65,7 +71,7 @@ worldedit.hollow_dome = function(pos, radius, nodename) --wip: use bresenham sph
end
end
minetest.place_schematic({x=pos.x - radius, y=pos.y, z=pos.z - radius}, {size={x=radius * 2, y=radius * 2, z=radius * 2}, data=nodes})
return #nodes
return count
end
--adds a dome centered at `pos` with radius `radius`, composed of `nodename`, returning the number of nodes added
@ -74,12 +80,14 @@ worldedit.dome = function(pos, radius, nodename) --wip: use bresenham sphere for
local node = {name=nodename, param1=0, param2=0}
local ignore = {name="ignore", param1=0, param2=0}
local nodes = {}
local count = 0
local max_radius = radius * (radius + 1)
for x = -radius, radius do
for y = 0, radius do
for z = -radius, radius do
if x * x + y * y + z * z <= max_radius then
insert(nodes, node)
count = count + 1
else
insert(nodes, ignore)
end
@ -87,7 +95,7 @@ worldedit.dome = function(pos, radius, nodename) --wip: use bresenham sphere for
end
end
minetest.place_schematic({x=pos.x - radius, y=pos.y, z=pos.z - radius}, {size={x=radius * 2, y=radius * 2, z=radius * 2}, data=nodes})
return #nodes
return count
end
--adds a hollow cylinder at `pos` along the `axis` axis ("x" or "y" or "z") with length `length` and radius `radius`, composed of `nodename`, returning the number of nodes added