The Geometry of Lasers
Original Article: https://thebossmagazine.com/post/geometry-of-lasers-according-to-meganne-money/
Most people watch a laser show and see magic.
They see beams slicing through haze, colors dancing in sync with music, sheets of light sweeping over a crowd like something alive.
What they don’t see is the math.
Behind every stunning visual sits a coordinate system, a grid of X, Y, and Z axes where shapes are born one point at a time.
Meganne Money, a laser FX programmer and technician who has worked with artists including Miley Cyrus, Ciara, and Dream Theater, builds her shows inside these invisible frameworks.
Where Art Meets the Grid
Laser programming operates fundamentally differently than conventional lighting. A lighting designer might aim a spotlight and adjust its color. A laser programmer creates shapes by plotting points and connecting them through software.
“You’re drawing a picture point by point, dot by dot, and telling the laser this is the shape that I want you to make,” explains Meganne Money.
The process demands at least a loose understanding of geometry and trigonometry, as the software is calculating how shapes will appear on what programmers call the “termination end,” meaning wherever the laser beam actually lands. A design that looks perfect in software might distort dramatically when projected onto an angled surface or across a massive arena.
Every variable gets broken down across a three-dimensional plane grid. Adjusting one parameter changes everything downstream. The software provides visual representations, but the programmer needs to understand the underlying spatial relationships to predict how modifications will translate to the actual stage.
Angles, Headings, and the FAA
The geometry gets even more complex during outdoor events. Meganne Money describes a technical requirement that surprises most people outside the industry.
“I have to file for my own airspace if I’m outside. I basically have to tell the FAA, hey, here’s where I want to shoot lasers. Can I have this heading to this heading at this angle and send them some diagrams of what that’s going to look like.”
The FAA reviews these requests and often pushes back. Proximity to airports might force a programmer to adjust their entire design, changing the angle to zero or limiting which directions the lasers can point. On site, Meganne Money uses her phone’s compass, placing it directly on top of lasers to align them precisely with approved headings, such as 110 degrees north, and then expanding the zone into her approved radius.
These calculations happen before the show even loads. The geometry must account for safety regulations, venue architecture, and the physical limitations of the equipment, all while maintaining the artistic vision.
Choreography Through Coordinates
Technical skill alone doesn’t make a show memorable. Meganne Money brings 22 years of classical dance training into her programming work, treating laser movements like orchestration rather than cold technical execution.
When working on metal shows, she finds herself drawing from her formal dance experience. “I have a lot more ballet going on, ironically. There’s a lot of ethereal effects and key notes and pauses and that’s something that fits really well if you kind of think about the flow of the laser as the flow of a dancer’s arms and legs.”
The geometric framework becomes a stage for movement. Hip-hop shows get popping and bouncing patterns. Metal concerts receive the sweeping gestures and dramatic pauses of classical dance, as the metal genre draws a lot of inspiration from classical music Money associates with ballet movement. The X, Y, and Z coordinates that define each shape also define its motion, its rhythm, and its emotional impact.
Precision That Protects
The geometry of laser programming carries serious stakes. Unlike theatrical lighting, lasers can cause permanent damage. They can blind audience members, destroy expensive camera equipment, or burn through materials if aimed incorrectly.
Safety protocols require what programmers call “zoning,” where the laser receives strict boundaries about where it can and cannot project. Industry standards mandate keeping beams three meters above any surface where someone might stand and one meter away from any surface within horizontal reach.
Meganne Money learned the weight of these calculations during Missy Elliott’s tour. Lasers mounted on motorized trapezes would swing with the movement of the rigging system, causing the termination points to drift dangerously close to audience areas. “I had my hand on the E-stop button the entire tour,” she recalls.
The geometry of a show shifts with every vibration, every adjustment, every unexpected movement. A programmer needs to understand not only where the laser points in an ideal scenario but where it might point when things go wrong.
A Field Built on Mathematics
Laser technology has transformed dramatically over the past two decades. The industry has moved away from massive argon gas systems that required entire trucks of support infrastructure toward compact diode-based units. Software grows more sophisticated each year.
But the fundamental geometry remains constant. Every show still requires someone who understands how points connect into shapes, how shapes translate across three-dimensional space, and how that space interacts with music, movement, and human safety.
