DarwinBotsManual
Open the app EspañolES

Parameters: Physics

Max speed

Speed cap of a bot.

Default
40
Usual range
0 to 1000
Variable
MaxVelocity
Key
opt:11
Live
can be changed while the simulation runs
Mode
advanced only

Motor efficiency

Fraction of the requested thrust that becomes motion. At 0 bots cannot move on their own.

Default
0.66
Usual range
0 to 1
Variable
PhysMoving
Key
opt:12
Live
can be changed while the simulation runs
Mode
advanced only

Brownian motion

Random nudges every cycle.

Default
0
Usual range
0 to 100
Variable
PhysBrown
Key
opt:13
Live
can be changed while the simulation runs
Mode
advanced only

Medium density

Fluid drag (water ≈ 1e-7).

Default
0
Usual range
0 to 0.001
Variable
Density
Key
opt:14
Live
can be changed while the simulation runs
Mode
basic and advanced

Viscosity

Viscous drag (water ≈ 0.0005).

Default
0
Usual range
0 to 0.1
Variable
Viscosity
Key
opt:15
Live
can be changed while the simulation runs
Mode
basic and advanced

Static friction

Floor friction to start moving.

Default
0
Usual range
0 to 2
Variable
CoefficientStatic
Key
opt:16
Live
can be changed while the simulation runs
Mode
basic and advanced

Kinetic friction

Floor friction while moving.

Default
0
Usual range
0 to 2
Variable
CoefficientKinetic
Key
opt:17
Live
can be changed while the simulation runs
Mode
basic and advanced

Collision elasticity

0 = soft collisions; 1 = full bounce.

Default
0
Usual range
0 to 1
Variable
CoefficientElasticity
Key
opt:18
Live
can be changed while the simulation runs
Mode
advanced only

Z gravity (against the floor)

Presses bots against the floor: enables friction.

Default
0
Usual range
0 to 100
Variable
Zgravity
Key
opt:19
Live
can be changed while the simulation runs
Mode
basic and advanced

Y gravity (downwards)

Pulls bots towards the bottom edge.

Default
0
Usual range
0 to 100
Variable
Ygravity
Key
opt:20
Live
can be changed while the simulation runs
Mode
advanced only

No inertia

Bots stop dead when they stop pushing.

Default
no
Usual range
yes / no
Variable
ZeroMomentum
Key
opt:10
Live
can be changed while the simulation runs
Mode
advanced only

Fixed bot radii

All bots the same size, whatever their body.

Default
no
Usual range
yes / no
Variable
FixedBotRadii
Key
opt:21
Live
can be changed while the simulation runs
Mode
advanced only