WingMaster Obstacle Paths — Not Just Straight Lines: Twenty Paths and the Secret of the Red Ring

WingMaster

HaniLab Master Series · Android

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WINGMASTER STORY

Not Just Straight Lines
Twenty Paths for Obstacles

A red ring blinks at the edge of the screen. 0.9 seconds later, will a raptor fly straight out of it, skim low and then shoot up, or bounce across the whole screen the moment it appears? This post is about WingMaster obstacle paths — the routes the things flying at you actually take.

This post is about WingMaster obstacle paths. We follow how helicopters, drones, raptors, bird flocks and bat flocks each travel along a named path, which paths are open at the start, and what happens the moment the red ring goes out — using the formulas in the code and real game screens. The path diagrams are drawn straight from the game’s position formulas, and some of the motion after the ring was checked by actually running the game and logging values.

In the old WingMaster, obstacles had only three kinds of motion — horizontal speed, vertical speed and a sine sway. Helicopters, raptors and flocks were all “things that come in steadily, wobbling a little up and down”, and even with eighteen kinds, there was only one way of approaching. That meant only one way of dodging: match your height the moment you spot it and wait. More obstacles never made the game harder, just busier.

So paths were born. Different paths create different things to read. Something that snakes in makes you watch its next position, not its current one; an arc makes you gauge where the peak is; a dive makes you wait for the moment it turns. The same single bird becomes a completely different problem depending on its path.

Helicopters · Drones

Machines — they move precisely. Drawn from ten paths.

Raptors

Hunters — they come at you. Drawn from nine.

Bird flocks · Bat flocks

Swarms — they only drift out of line in their own slot. Seven paths.

There are 22 named paths in all. Twenty of them, counting Straight, sit in the three tables above; the other two — Bouncing (bouncing rocks only) and Stretch and shrink (moving walls only) — are kept apart, because giving them to just any obstacle would make the world lie. Nothing outside these five kinds receives a path: falling rocks, fireballs and icicles simply fall, and pillars and wires stay put.

There is a reason paths are not handed out at random. If a helicopter swung like a pendulum or a falling rock chased the bird, the world would be lying, and players would stop trusting the screen. How something moves is information about what it is. So machines move precisely (straight, zigzag, stop-and-go) and birds move freely (waves, arcs, dives). In the diagrams below, the dot is where it appears and the line is its route over the next 2.4 seconds (horizontal is the direction the screen flows; the vertical scale is the same within each table).

Machines — Helicopters · Drones

Hunters — Raptors

Swarms — Bird Flocks · Bat Flocks

The swarm table has no dives and no bouncing. A bird flock always leaves one row empty, and that gap is the way through. A path that sets Y outright would pull all fifteen birds to the same height and the gap would vanish. Swarms use only drift within their own slot — wave, diagonal, pendulum, spiral.

Each bird picks its path separately (the slot number is mixed into the random seed), so even within one formation they sway a little differently. That is why the flock on the screen beside this text is not a tidy grid but slightly out of line.

All three tables are listed easy → hard, and the game uses them from the front. The number of paths available is table length × (0.45 + intensity × 0.55). Intensity is distance run ÷ 1,800 m (capped at 1) multiplied by the difficulty multiplier the AI sets. At first only the easy-to-read ones appear, and the tables are fully open around 1,800 m.

* In a run where the AI has decided to give this player a hard time, the intensity is multiplied and these distances get shorter. The distances above are approximate, for a multiplier of 1.0.

There is one exception. In the scattered stretch (an irregular layout mixing drones, helicopters, raptors, bats and flocks), the pattern picks paths itself, and the intensity it uses is not distance but the AI’s weakness adjustment (almost 1.0), so it uses most of each table from the very start. In exchange, drones, helicopters and raptors in this stretch have zero speed of their own and no warning — they drift in with the world and sway only vertically. The only raptors that come at you horizontally are the raptor charge pattern and the environment-signature helicopters (sea and mountains).

While the ring is up, something with a warning has no body and stands still. Reading the code, though, one oddity shows up — the path clock (T) counts through the warning time. A raptor’s warning is 0.9 seconds, so the moment the ring goes out, the clock has already run 0.9 seconds. So we summoned raptors in the real game, gave them one path at a time and logged their position every 0.2 seconds — for example, a raptor given the upward arc had a ring height of 3.0 but was already at 4.29 when it appeared.

So it is safer to read the ring as “it comes from this side” rather than as a height. Only Straight, wave, Charge and Dive come straight out at the height the ring pointed to; for the rest, the entry point is offset above or below the ring. The numbers here are the values of the raptor charge pattern (amplitude 0.6, frequency 3.0), and we cannot tell whether the game deliberately counts the warning clock — but this is how it behaves right now.

The last path in the hunter table, and the latest to open (roughly after 1,600 m), is Homing. The raptor approaches toward the bird’s height — but it closes the gap by no more than 1.4 units per second. A single flap lifts the bird at 9.6 units per second, so it is far slower. Because the player moves up and down overwhelmingly faster, it was set on purpose to leave you in a spot where “you can shake it off, but you get hit if you sit still”.

Of all the paths, Homing is the only one that looks at the bird’s position. All the others move by looking at the world alone. If everything chased you, it would be impossible to dodge — a punishment, not a game. So against a homing raptor, don’t stay at one height; change it.

And one rule common to all — no path may leave the screen. A raptor that soars up and returns from off-screen would be an “invisible death” the player had no chance to read. At the end everything is clipped to the upper and lower bounds (except straight-falling objects like falling rocks, and the two exceptions above). The hit shape is also left untouched, so where it is drawn and where it hits you are always the same.

How obstacles appear and how they move — what remains is the story of the lives and continues that keep you going in the middle of it all: how to spend your three birds, and what you can choose when the last bird falls.

Don’t miss the moment
the ring goes out.

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