🔥 Fire

Pyroclastic Flow SimulatorNewTrigger an eruption-column or lava-dome collapse and watch a superheated, ground-hugging… Blast Wave — Shockwave & OverpressureNewA point-source blast wave in a uniform atmosphere, modelled with Sedov-Taylor scaling for… Confined Gas Explosion — Enclosure Pressure Buildup & VentingNewSimulate pressure buildup from a combustible gas/dust deflagration inside an enclosed… Detonation vs Deflagration — Combustion Wave Speed & PressureNewCompare the two fundamentally different ways a combustion wave can propagate through a… Fireworks Shell Burst — Projectile Trajectory & Star PatternNewSimulate a fireworks shell launched into the sky, bursting at its fuse-timed altitude into a… TNT-Equivalent Scaling — Safe Standoff DistanceNewExplore the Hopkinson-Cranz cube-root scaling law used in blast-safety engineering: convert… Neutron Star Merger & KilonovaNewWatch two neutron stars spiral together under gravitational-wave loss, merge, and blast out… 3D Cellular Automaton — Survival/Birth RulesNewExplore 3D cellular automata with Moore neighborhood (26 neighbors). Famous rules: Cloud,… Magnetic Reconnection — Solar Flares & SubstormsNewOppositely directed magnetic field lines break and reconnect at an X-point, explosively… Otto Cycle — How a Petrol Engine WorksNewThe four-stroke petrol engine cycle: adiabatic compression, constant-volume combustion,… Fusion ReactorNewSet plasma temperature, density and confinement time to test the Lawson criterion and see… Particle VFXNewParticle system VFX with fire, sparks and visual effects algorithms used in film and games. Particle System — Game VFX EmitterNewTune emitter rate, lifetime, gravity and colour ramps to build fire, smoke and explosion… Combustion ReactionNewWatch CH4 + 2O2 to CO2 + 2H2O unfold in a particle simulation. Methane and oxygen molecules… Fire & SmokeCellular automaton with fire, smoke, ember, ash, wood, water and wall cells. Wind direction,… Belousov-Zhabotinsky ReactionExcitable-medium cellular automaton simulating the oscillating BZ chemical reaction. Resting… Rocket Engine — de Laval Nozzle & ThrustFuel burns in the chamber and expands through a de Laval nozzle — tune chamber pressure,… Volcanic Eruption SimulatorControl magma viscosity, gas content and pressure to trigger explosive or effusive… Procedural TexturesGLSL fragment shader procedural textures: marble, wood rings, clouds, fire, Voronoi cells… Forest Fire SpreadCellular automaton simulation of forest fire spreading. Adjust tree density, ignition… Magic Sand & SmokeDraw with the mouse to create sand, smoke, fire or water. Cellular automaton with gravity,… FireworksParticle-based fireworks with gravity, drag, colour trails and explosion physics. Sand AutomatonSand, water, fire, wood, acid, smoke. Draw with mouse — watch substance reactions. Premixed Flame Front — PropagationA premixed flame front propagating via reaction-diffusion with Arrhenius kinetics. Nuclear Fusion — Tokamak & Lawson CriterionTune plasma temperature, density and confinement time in a tokamak to hit the Lawson…