Find the intersection of a line with a plane: Difference between revisions
Find the intersection of a line with a plane (view source)
Revision as of 00:52, 3 March 2020
, 4 years ago→{{header|Rust}}
(added R as a translation of MATLAB) |
|||
Line 1,056:
Line definition: x=3*t ; y=2+2*t ; z=4+t
Intersection: P(0.6,2.4,4.2)</pre>
=={{header|Ruby}}==
{{trans|C#}}
<lang ruby>require "matrix"
def intersectPoint(rayVector, rayPoint, planeNormal, planePoint)
diff = rayPoint - planePoint
prod1 = diff.dot planeNormal
prod2 = rayVector.dot planeNormal
prod3 = prod1 / prod2
return rayPoint - rayVector * prod3
end
def main
rv = Vector[0.0, -1.0, -1.0]
rp = Vector[0.0, 0.0, 10.0]
pn = Vector[0.0, 0.0, 1.0]
pp = Vector[0.0, 0.0, 5.0]
ip = intersectPoint(rv, rp, pn, pp)
puts "The ray intersects the plane at %s" % [ip]
end
main()</lang>
{{out}}
<pre>The ray intersects the plane at Vector[0.0, -5.0, 5.0]</pre>
=={{header|Rust}}==
| |||