Home▸Special Relativity▸Schwarzschild Ray Tracer: Black-Hole Shadow, Einstein Ring, Photon Sphere and Disc Lensing — 2D Orbital-Plane Light Rays

🌌 Schwarzschild Ray Tracer: Black-Hole Shadow, Einstein Ring, Photon Sphere and Disc Lensing — 2D Orbital-Plane Light Rays

2D companion of the Schwarzschild ray tracer: top-down photon paths, critical impact parameter, deflection against the weak-field series and the shadow radius, using the same geodesic equation and physics module as the 3D scene.

Special Relativity2DAdvanced60 FPS📱 Mobile-adapted⇄ 3D version

⚙ Under the hood

Black holeGravitational lensingSchwarzschild metricEinstein ringRay tracing

2D · HTML5 Canvas 2D · 60 FPS target · runs fully client-side, no install