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11 lines
507 B
Plaintext
11 lines
507 B
Plaintext
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; This arrives at the distance between two points in 3D space from the
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; Pythagorean theorem (distance between two points on a 2D plane).
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; The coordinate of point 1, 2D: (x1, y1), 3D: (x1, y1, z1).
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; The coordinate of point 2, 2D: (x2, y2), 3D: (x2, y2, z2).
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distance2D^2=(x1-x2)^2+(y1-y2)^2 ; Distance formula for a 2D Cartesian plane.
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distance3D^2=distance2D^2+(z1-z2)^2 ; Add another leg.
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eliminate distance2D ; Combine the two equations.
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distance3D ; Solve to get the distance in 3D Cartesian space.
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