public static Vector3 SphericalMercator(this LatLngPoint value)
{
if (value is null)
{
throw new ArgumentNullException(nameof(value));
}
var lat = Degrees.Radians(value.Latitude);
var lng = Degrees.Radians(value.Longitude);
var x = DatumWGS_84.equatorialRadius * lng;
var y = DatumWGS_84.equatorialRadius * Math.Log(Math.Tan(Math.PI / 4 + lat / 2));
return(new Vector3((float)x, (float)y, value.Altitude));
}
private async Task UpdatePhotosphere()
{
var euler = (Vector2)avatar.Head.rotation.eulerAngles;
var numRequests = 0;
for (var f = 0; f < mgr.FOVs.Length && numRequests < MAX_REQUESTS; ++f)
{
var fov = mgr.FOVs[f];
var overlap = mgr.FOVs.Length - f;
var radius = 10 * overlap + 50;
var overlapFOV = fov + 2f * overlap;
var scale = 2 * radius * Mathf.Tan(Degrees.Radians(overlapFOV / 2));
var testAngles = mgr.fovTestAngles[f];
for (var a = 0; a < testAngles.Length && numRequests < MAX_REQUESTS; ++a)
{
var testAngle = euler + testAngles[a];
var heading = (int)Mathf.Repeat(fov * Mathf.Round(testAngle.y / fov), 360);
var unityPitch = (int)Mathf.Repeat(fov * Mathf.Round(testAngle.x / fov), 360);
var pitch = -unityPitch;
if (unityPitch >= 270)
{
pitch += 360;
}
else if (unityPitch > 90)
{
pitch += 180;
}
if (90 < unityPitch && unityPitch < 270)
{
heading = (int)Mathf.Repeat(heading + 180, 360);
}
if (Mathf.Abs(pitch) == 90)
{
heading = 0;
}
var needLodLevel = !detailContainerCache.ContainsKey(fov);
var needSlice = needLodLevel || !detailSliceContainerCache[fov].ContainsKey(heading);
var needFrame = needSlice || !detailSliceFrameContainerCache[fov][heading].ContainsKey(pitch);
if (needLodLevel || needSlice || needFrame)
{
if (needLodLevel)
{
await JuniperSystem.OnMainThreadAsync(() =>
{
var detail = new GameObject(fov.ToString()).transform;
detail.SetParent(transform, false);
detailContainerCache[fov] = detail;
detailSliceContainerCache[fov] = new Dictionary <int, Transform>();
detailSliceFrameContainerCache[fov] = new Dictionary <int, Dictionary <int, Transform> >();
});
}
var detailContainer = detailContainerCache[fov];
var sliceContainerCache = detailSliceContainerCache[fov];
var sliceFrameContainerCache = detailSliceFrameContainerCache[fov];
if (needSlice)
{
await JuniperSystem.OnMainThreadAsync(() =>
{
var slice = new GameObject(heading.ToString()).transform;
slice.SetParent(detailContainer, false);
sliceContainerCache[heading] = slice;
sliceFrameContainerCache[heading] = new Dictionary <int, Transform>();
});
}
var sliceContainer = sliceContainerCache[heading];
var frameContainerCache = sliceFrameContainerCache[heading];
if (needFrame)
{
await JuniperSystem.OnMainThreadAsync(() =>
{
var frame = new GameObject(pitch.ToString()).transform;
frame.rotation = Quaternion.Euler(-pitch, heading, 0);
frame.position = frame.rotation * (radius *Vector3.forward);
frame.SetParent(sliceContainer, false);
frameContainerCache[pitch] = frame;
});
}
if (ImageNeeded != null)
{
var image = await ImageNeeded(this, (int)overlapFOV, heading, pitch);
if (image != null)
{
await JuniperSystem.OnMainThreadAsync(() =>
{
var frame = GameObject.CreatePrimitive(PrimitiveType.Quad);
var renderer = frame.GetComponent <MeshRenderer>();
var properties = new MaterialPropertyBlock();
properties.SetTexture("_MainTex", image);
renderer.SetMaterial(material);
renderer.SetPropertyBlock(properties);
frame.layer = LayerMask.NameToLayer(PHOTOSPHERE_LAYER);
var frameContainer = frameContainerCache[pitch];
frame.transform.SetParent(frameContainer, false);
frame.transform.localScale = scale *Vector3.one;
});
}
}
// For the lowest detail level, we fill out all of the image angles immediately.
// For all other detail levels, we break out of testing angles and continue to
// next highest detail level.
if (f > 0)
{
break;
}
}
}
}
}
public void Degrees_2_radians()
{
FloatCompare(TAU, Degrees.Radians(360));
}