/me command - minetest.git - modified minetest for gpcfs purposes

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author	Giuseppe Bilotta <giuseppe.bilotta@gmail.com>	2011-08-13 17:41:18 +0200
committer	Giuseppe Bilotta <giuseppe.bilotta@gmail.com>	2011-08-22 13:02:08 +0200
commit	0488bf54d3f0b767eb53a026b4b52de86cfbd4ab (patch)
tree	b19169b991a8a97bd80572827205976cfe4de1db /data/cooked_rat.png
parent	da19aee307221dd2e6bdd00393124587654d0206 (diff)
download	minetest-0488bf54d3f0b767eb53a026b4b52de86cfbd4ab.tar.gz minetest-0488bf54d3f0b767eb53a026b4b52de86cfbd4ab.tar.bz2 minetest-0488bf54d3f0b767eb53a026b4b52de86cfbd4ab.zip

/me command

Diffstat (limited to 'data/cooked_rat.png')

0 files changed, 0 insertions, 0 deletions

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vector = {}

function vector.new(a, b, c)
	if type(a) == "table" then
		assert(a.x and a.y and a.z, "Invalid vector passed to vector.new()")
		return {x=a.x, y=a.y, z=a.z}
	elseif a then
		assert(b and c, "Invalid arguments for vector.new()")
		return {x=a, y=b, z=c}
	end
	return {x=0, y=0, z=0}
end

function vector.equals(a, b)
	return a.x == b.x and
	       a.y == b.y and
	       a.z == b.z
end

function vector.length(v)
	return math.hypot(v.x, math.hypot(v.y, v.z))
end

function vector.normalize(v)
	local len = vector.length(v)
	if len == 0 then
		return {x=0, y=0, z=0}
	else
		return vector.divide(v, len)
	end
end

function vector.floor(v)
	return {
		x = math.floor(v.x),
		y = math.floor(v.y),
		z = math.floor(v.z)
	}
end

function vector.round(v)
	return {
		x = math.floor(v.x + 0.5),
		y = math.floor(v.y + 0.5),
		z = math.floor(v.z + 0.5)
	}
end


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