RIPPLETANK

RippleTank

shallow-water wave equation · finite differences · 2 substeps/frame

Interacting

• Click / drag — disturb the surface with the active tool
• Drag — draw continuously while held
• Pour tool — mix red, blue and yellow like traditional paint
• Double-click — cannonball splash
• Right-drag — quick-erase walls anywhere
• Wall tool — paint stone ridges; waves reflect off them

Shortcuts

• Ctrl/⌘ Zundo  Spacepause  Ccalm water  Ffullscreen
• Hzen mode  Mmute  Ssnapshot  Ppanel
• 1–5scene presets  1–5 ⌥—

Under the hood

• Velocity–height wave field on ping-pong half-float framebuffers, Neumann-reflective walls, curvature-driven caustics, Blinn specular + fresnel sky.

Back to the water