APEX RACER

INITIALISING PHYSICS

LOADING HAVOK...

SELECT YOUR CAR

CHOOSE YOUR WEAPON

KATANA
LIGHTWEIGHT COUPE
FR · REAR WHEEL DRIVE
Twitchy and fast to rotate. Snap oversteer on entry, unforgiving if you ignore the countersteer window. High risk, high reward.
WEIGHT
POWER
GRIP
DRIFT
STABILITY
BRUISER
AWD PERFORMANCE
AWD · ATTESSA SYSTEM
Heavy, planted, powerful. ATTESSA torque transfer fights your drift. Commit hard to break it loose — when it slides it stays stable.
WEIGHT
POWER
GRIP
DRIFT
STABILITY
SPEC R
FRONT WHEEL DRIVE
FF · FRONT WHEEL DRIVE
Shouldn't drift. Does. Throttle pushes to understeer — use the handbrake and weight transfer. Scandinavian flick is your entry. Rewarding to master.
WEIGHT
POWER
GRIP
DRIFT
STABILITY

SELECT TRACK

CHOOSE YOUR ARENA

START
FIGURE EIGHT
GLB TRACK · CROSSOVER LAYOUT
Intersecting loops with a centre crossover. The crossing point is where it gets real — manage your speed or meet someone coming the other way.
START
OVAL
PROCEDURAL · CLOSED LOOP
Clean symmetrical oval with red-white curbs and barriers. No GLB required — built at runtime. Great for learning car behaviour and chasing clean laps.

CAR SETUP

PHYSICS PARAMETERS

MASS & DISTRIBUTION
TOTAL MASS700 kg
200–2800 kg · stock varies per car
FRONT BIAS %45
15–85% · lower = more oversteer
TIRE MODEL (PACEJKA)
STIFFNESS (B)10.0
2–40 · higher = sharper slip peak
SHAPE (C)1.90
0.5–5.0 · higher = rounder curve
PEAK GRIP (D)1.00
0.2–4.0 · scales all lateral force
CURVATURE (E)0.97
0.05–3.0 · >1 = wider plateau
SUSPENSION
SPRING RATE32000
4000–160000
DAMPER2400
200–12000
ENGINE
ENGINE FORCE7200
1000–40000 N
TIRE COMPOUND REAR0.65
0.15–2.0 · rear axle grip coefficient
DYNAMICS
ANGULAR DAMPING0.30
0–2.0 · chassis rotational drag
LINEAR DAMPING0.04
0–0.5 · global velocity drag
STEER RETURN3.0
0.5–12 · self-aligning torque speed
STEER INPUT SPD3.0
0.5–10 · steering rack speed
STEER MAX (rad)0.44
0.10–1.0 · lock-to-lock range
SLIP ANGLE THRESHOLD0.10
0.01–0.5 · rad · slide detection threshold
WEIGHT TRANSFER SCALE0.38
0–1.0 · lateral load transfer coefficient
CG HEIGHT0.44
0.2–1.2 m · centre of gravity height
HANDBRAKE FORCE24000
1000–60000 N · rear brake line pressure
LOCKED WHEEL μk0.92
0.1–1.5 · kinetic friction coefficient
MAX YAW RATE3.8
0.5–10 rad/s · chassis rotational inertia limit
AERODYNAMICS
DRAG COEFF0.48
0–2.0 · top speed limiter
DOWNFORCE COEFF0.30
0–2.0
DF ONSET KMH60
0–200 kmh · ramps in above this
EXPORT VALUES
Copy all current params to send for code changes
COPIED TO CLIPBOARD
LIVE TELEMETRY
FL LOAD0 N
FR LOAD0 N
RL LOAD0 N
RR LOAD0 N
SLIP ANGLES
FL
FR
RL
RR

CONTROLS

CLICK ANY KEY TO REBIND · BOTH SLOTS EDITABLE · ESC TO CANCEL

KEYBOARD BINDINGS
CONTROLLER
NO CONTROLLER DETECTED
OPTIONS
DEADZONE 0.12

IMPORT PARAMS

PASTE JSON FROM COPY ALL PARAMS.
PARTIAL BLOBS OK — ONLY MATCHING KEYS ARE APPLIED.

YZZY.ONLINE
APEX RACER
KATANA
FR · REAR WHEEL DRIVE
LAP
1 · 0:00.000
RPM
GEAR
1
0
MPH
TORQUE SPLIT · FRONT
W / ↑ · THROTTLE
S / ↓ · BRAKE
A / D · STEER
SPACE · HANDBRAKE
R · RESET
AIR !