diff options
| author | Ansis Brammanis <brammanis@gmail.com> | 2016-12-14 15:17:01 -0800 |
|---|---|---|
| committer | John Firebaugh <john.firebaugh@gmail.com> | 2016-12-21 15:46:36 -0800 |
| commit | 38b5cb0c7766152f7e49cce8bd6c5d3e04dd0663 (patch) | |
| tree | 9f64568fbe56a17a0c1fcd5396bf6c9e80992843 /platform/darwin/src/MGLGeometry.mm | |
| parent | ebd241363d5c926d471559208f391190666febb9 (diff) | |
| download | qtlocation-mapboxgl-38b5cb0c7766152f7e49cce8bd6c5d3e04dd0663.tar.gz | |
[core, ios] replace `altitude` with `fov`
ported from -js: eb6c6596c6a7a61363d30356674e0002153b1d19
`altitude` was a terribly-named variable that was used to indirectly
control the fov. This should eliminate some confusion.
`altitude` was equivalent to `cameraToCenterDistance / height`
Diffstat (limited to 'platform/darwin/src/MGLGeometry.mm')
| -rw-r--r-- | platform/darwin/src/MGLGeometry.mm | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/platform/darwin/src/MGLGeometry.mm b/platform/darwin/src/MGLGeometry.mm index 70f00afd2f..57922e30b9 100644 --- a/platform/darwin/src/MGLGeometry.mm +++ b/platform/darwin/src/MGLGeometry.mm @@ -5,8 +5,8 @@ /** Vertical field of view, measured in degrees, for determining the altitude of the viewpoint. - TransformState::getProjMatrix() assumes a vertical field of view of - 2 arctan ⅓ rad ≈ 36.9°, but MapKit uses a vertical field of view of 30°. + TransformState::getProjMatrix() has a variable vertical field of view that + defaults to 2 arctan ⅓ rad ≈ 36.9° but MapKit uses a vertical field of view of 30°. flyTo() assumes a field of view of 2 arctan ½ rad. */ const CLLocationDegrees MGLAngularFieldOfView = 30; |