mff/Minetest-WorldEdit
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New commands //hollowdome and //dome, as well as new API functions worldedit.dome and worldedit.hollow_dome. Oh, and spheres generate faster too.

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This commit is contained in:
Anthony Zhang
2013-04-27 18:28:20 -04:00
parent 20722389bd
commit 71b6004b92
4 changed files with 135 additions and 7 deletions
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62
worldedit/primitives.lua
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@ -1,10 +1,11 @@
worldedit = worldedit or {}
--adds a hollow sphere at `pos` with radius `radius`, composed of `nodename`, returning the number of nodes added
worldedit.hollow_sphere = function(pos, radius, nodename) --wip: use bresenham sphere for maximum speed
worldedit.hollow_sphere = function(pos, radius, nodename)
local node = {name=nodename}
local pos1 = {x=0, y=0, z=0}
local full_radius = radius * radius + radius
local min_radius = radius * (radius - 1)
local max_radius = radius * (radius + 1)
local count = 0
local env = minetest.env
for x = -radius, radius do
@ -12,9 +13,9 @@ worldedit.hollow_sphere = function(pos, radius, nodename) --wip: use bresenham s
for y = -radius, radius do
pos1.y = pos.y + y
for z = -radius, radius do
if x*x+y*y+z*z >= (radius-1) * (radius-1) + (radius-1) and x*x+y*y+z*z <= full_radius then
if x*x+y*y+z*z >= min_radius and x*x+y*y+z*z <= max_radius then
pos1.z = pos.z + z
env:add_node({x=pos.x+x,y=pos.y+y,z=pos.z+z}, node)
env:add_node(pos1, node)
count = count + 1
end
end
@ -24,10 +25,10 @@ worldedit.hollow_sphere = function(pos, radius, nodename) --wip: use bresenham s
end
--adds a sphere at `pos` with radius `radius`, composed of `nodename`, returning the number of nodes added
worldedit.sphere = function(pos, radius, nodename) --wip: use bresenham sphere for maximum speed
worldedit.sphere = function(pos, radius, nodename)
local node = {name=nodename}
local pos1 = {x=0, y=0, z=0}
local full_radius = radius * radius + radius
local max_radius = radius * (radius + 1)
local count = 0
local env = minetest.env
for x = -radius, radius do
@ -35,7 +36,54 @@ worldedit.sphere = function(pos, radius, nodename) --wip: use bresenham sphere f
for y = -radius, radius do
pos1.y = pos.y + y
for z = -radius, radius do
if x*x+y*y+z*z <= full_radius then
if x*x+y*y+z*z <= max_radius then
pos1.z = pos.z + z
env:add_node(pos1, node)
count = count + 1
end
end
end
end
return count
end
--adds a hollow dome at `pos` with radius `radius`, composed of `nodename`, returning the number of nodes added
worldedit.hollow_dome = function(pos, radius, nodename) --wip: use bresenham sphere for maximum speed
local node = {name=nodename}
local pos1 = {x=0, y=0, z=0}
local min_radius = radius * (radius - 1)
local max_radius = radius * (radius + 1)
local count = 0
local env = minetest.env
for x = -radius, radius do
pos1.x = pos.x + x
for y = 0, radius do
pos1.y = pos.y + y
for z = -radius, radius do
if x*x+y*y+z*z >= min_radius and x*x+y*y+z*z <= max_radius then
pos1.z = pos.z + z
env:add_node(pos1, node)
count = count + 1
end
end
end
end
return count
end
--adds a dome at `pos` with radius `radius`, composed of `nodename`, returning the number of nodes added
worldedit.dome = function(pos, radius, nodename) --wip: use bresenham sphere for maximum speed
local node = {name=nodename}
local pos1 = {x=0, y=0, z=0}
local max_radius = radius * (radius + 1)
local count = 0
local env = minetest.env
for x = -radius, radius do
pos1.x = pos.x + x
for y = 0, radius do
pos1.y = pos.y + y
for z = -radius, radius do
if x*x+y*y+z*z <= max_radius then
pos1.z = pos.z + z
env:add_node(pos1, node)
count = count + 1