XREquirectLayer.upperVerticalAngle

The upperVerticalAngle property of the XREquirectLayer interface represents the upper vertical angle in radians for the sphere.

Value

A number representing the upper vertical angle in radians for the sphere. Setting upperVerticalAngle to a value less than -π/2 will set it to -π/2 and setting it to a value higher than π/2 will set it to π/2.

Examples

Getting a layer's upper vertical angle

The XRWebGLBinding.createEquirectLayer() method creates an equirect layer and allows specifying a upperVerticalAngle. The XREquirectLayer.upperVerticalAngle property can be used after layer creation to get the upper vertical angle used or to set it to a new one.

const equirectLayer = xrGlBinding.createEquirectLayer({
  space: xrReferenceSpace,
  viewPixelWidth: 1200,
  viewPixelHeight: 600,
  centralHorizontalAngle: 2 * Math.PI,
  upperVerticalAngle: Math.PI / 2.0,
  upperVerticalAngle: -Math.PI / 2.0,
  radius: 0
});

equirectLayer.upperVerticalAngle; // 1.5707963267948966

Specifications

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Browser compatibility

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See also