Sha256: f6f27304c9822af32de6226f645ca3acd28fe4ba1e49b009559a3eb24e9d37ea
Contents?: true
Size: 831 Bytes
Versions: 6
Compression:
Stored size: 831 Bytes
Contents
# uber simple Homogeneous 4 x 4 matrix
class Mat4
attr_reader :mat
def initialize(axisX, axisY, axisZ, trans)
@mat = [
[axisX.x, axisY.x, axisZ.x, trans.x],
[axisX.y, axisY.y, axisZ.y, trans.y],
[axisX.z, axisY.z, axisZ.z, trans.z],
[0, 0, 0, 1]
]
end
# The processing version changes the input 'array', here we return
# a new array with transformed values (which we then assign to the input)
# see line 89 Frame_of_Reference.rb
def mult(array)
array.map { |arr|
xt = mat[0][0] * arr.x + mat[0][1] * arr.y + mat[0][2] * arr.z + mat[0][3] * 1
yt = mat[1][0] * arr.x + mat[1][1] * arr.y + mat[1][2] * arr.z + mat[1][3] * 1
zt = mat[2][0] * arr.x + mat[2][1] * arr.y + mat[2][2] * arr.z + mat[2][3] * 1
Vec3D.new(xt, yt, zt)
}
end
end
Version data entries
6 entries across 6 versions & 1 rubygems