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CT v0.0.2

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Frank
2018-10-12 00:11:39 +02:00
parent 46882ed192
commit eda359e20f
3 changed files with 73 additions and 51 deletions
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18
Moose Development/Moose/Utilities/Utils.lua
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@@ -657,24 +657,24 @@ function UTILS.Randomize(value, fac, lower, upper)
return r
end
--- Calculate the dot (scalar) product of two vectors.
-- @param DCS#Vec3 a Vector in 3D with x,y,z components.
-- @param DCS#Vec3 b Vector in 3D with x,y,z components.
--- Calculate the [dot product](https://en.wikipedia.org/wiki/Dot_product) of two vectors. The result is a number.
-- @param DCS#Vec3 a Vector in 3D with x, y, z components.
-- @param DCS#Vec3 b Vector in 3D with x, y, z components.
-- @return #number Scalar product of the two vectors a*b.
function UTILS.VecDot(a, b)
return a.x*b.x + a.y*b.y + a.z*b.z
end
--- Calculate the eucledian norm (length) of a 3D vector.
-- @param DCS#Vec3 a Vector in 3D with x,y,z components.
--- Calculate the [euclidean norm](https://en.wikipedia.org/wiki/Euclidean_distance) (length) of a 3D vector.
-- @param DCS#Vec3 a Vector in 3D with x, y, z components.
-- @return #number Norm of the vector.
function UTILS.VecNorm(a)
return math.sqrt(UTILS.DotProduct(a, a))
return math.sqrt(UTILS.VecDot(a, a))
end
--- Calculate the cross product of two 3D vectors.
-- @param DCS#Vec3 a Vector in 3D with x,y,z components.
-- @param DCS#Vec3 b Vector in 3D with x,y,z components.
--- Calculate the [cross product](https://en.wikipedia.org/wiki/Cross_product) of two 3D vectors. The result is a 3D vector.
-- @param DCS#Vec3 a Vector in 3D with x, y, z components.
-- @param DCS#Vec3 b Vector in 3D with x, y, z components.
-- @return DCS#Vec3 Vector
function UTILS.VecCross(a, b)
return {x=a.y*b.z - a.z*b.y, y=a.z*b.x - a.x*b.z, z=a.x*b.y - a.y*b.x}