Verlet Physics Lab

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Scenarios

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Physics

Gravity 0.5

Damping 0.99

Stiffness 1.0

Tear Threshold 2.5

Solver Iterations 5

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Wind Forces

Wind Strength 0.0

Turbulence 0.0

Wind Direction (°) 0

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Display

Show Points

Show Constraints

Show Stress Colors

Show Force Vectors

Fill Mode

Show Obstacles

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Simulation

Speed 1.0x

Running

Mode: Drag

LMB Drag Points

RMB Cut Constraints

Space Pause/Resume

R Reset

Simulation Stats

Active Points 0

Pinned Points 0

Active Constraints 0

Broken Constraints 0

Integration Stability

Stability Index 100%

Unstable Stable

Force Analysis

Max Constraint Force 0.00

Avg Constraint Force 0.00

Total Energy 0.00

Stress Legend

Low Stress

Medium

High Stress

Pinned

Verlet Algorithm

// Position update
x_new = 2x - x_old + a·Δt²

// Constraint satisfaction
for i in iterations:
  δ = |p₁ - p₂| - rest
  p₁ += 0.5·δ·n̂
  p₂ -= 0.5·δ·n̂

Obstacles

Circle Obstacle Active

Obstacle Size 60