Properties:

• angle (type: number) — the maximum angle in radians of light dispersion (upper bound is π/2), default: π/2
• color (type: color) — default: white
• coords (type: coord)
• target (type: coord)

Add a spotlight to the scene.

Examples

• {
      "type": "spot",
      "color": [1, 1, 0],
      "coords": [[2, 2, 2]],
      "target": [[0, 0, 0]]
  }
  

• {
      "type": "spot",
      "color": [1, 1, 1],
      "coords": [null, [1, 1, 1]],
      "target": [[0, 0, 0]]
  }