Function lightSystem

examples/scene-graph/room.ts:214–221

(dt: number)

// LightSystem (priority 5) — sets up lighting each frame
function lightSystem(dt: number): void {
  // Main directional light (sun-like)
  addDirectionalLight(0.5, 1.0, 0.3, 1.0, 0.95, 0.9, 0.7);
  // Fill light
  addDirectionalLight(-0.3, 0.5, -0.7, 0.8, 0.85, 0.95, 0.3);
  // Rim light
  addDirectionalLight(0.0, -0.2, 1.0, 0.9, 0.9, 1.0, 0.15);
}

// ============================================================
// Scene setup