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Lighting & Shadows

Lights💡can be set up as objects in the .scn (Scene) file.

Breakdown​

Type​

  • Object type, in this case application/light

Content options​

lightType:​

  • ambient
  • directional
  • point
  • spot
  • rectArea
  • hemisphere

args: [RGB color, intensity]​

  • point: [RGB color, intensity, distance, decay]
  • spot: [RGB color, intensity, distance, angle, penumbra, decay]
  • rectArea: [RGB color, intensity, width, height]
  • hemisphere: [Sky RGB, Ground RGB, intensity]

position: [x, y, z]​

shadow: [side, mapSize, near, far, bias, normalBias]​

note

Shadows only work with directional point and spot lights

Code Example:​

    {
      "type": "application/light",
      "content": {
        "lightType": "directional",
        "args": [[255, 255, 255], 5],
        "position": [1, 2, 3],
        "shadow": [50, 4096, 0.1, 1000, 0, 0.2]
      }
    }
tip

Good to know:​

  • ambient does not require a position, since it illuminates the entire scene.