void Initialize()
{
LayerRetainsBacking = true;
LayerColorFormat = EAGLColorFormat.RGBA8;
ContextRenderingApi = EAGLRenderingAPI.OpenGLES1;
MultipleTouchEnabled = true;
var now = DateTime.UtcNow;
_sunLoc = Location.SunLocation(now);
Camera = new Camera();
CameraMan = new BlimpCameraMan(
new Location(-122.3352, 47.645),
new Location(-122.3352, 47.6453));
Unload += HandleUnload;
}
public BlimpCameraMan(ILocatable posLoc, ILocatable lookAt)
{
Dirty = true;
Pos3d = posLoc.ToPositionAboveSeaLeveld (_altitude);
LookAt = new Location (lookAt);
LookAt3d = LookAt.ToPositionAboveSeaLeveld (0);
}
void Initialize()
{
var now = DateTime.Now;
_sunLoc = Caulker.Location.SunLocation(now);
Camera = new Camera();
CameraMan = new BlimpCameraMan(
new Location(153.0306, -27.4778), // Greetings from Brisbane :)
new Location(153.0306, -27.4878));
Unload += HandleUnload;
}
public void Drag(Location start, Location end)
{
var d = -start.VectorTo(end);
_pos = _pos.LocationAway(d);
Pos3d = _pos.ToPositionAboveSeaLeveld (_altitude);
LookAt = LookAt.LocationAway(d);
LookAt3d = LookAt.ToPositionAboveSeaLeveld (0);
Dirty = true;
}
public void Rotate(ILocatable loc, float ddegs)
{
_pos = _pos.RotateAround(loc, ddegs);
LookAt = LookAt.RotateAround(loc, ddegs);
Pos3d = _pos.ToPositionAboveSeaLeveld (_altitude);
LookAt3d = LookAt.ToPositionAboveSeaLeveld (0);
Dirty = true;
}
public ManualCameraMan(ILocatable posLoc, ILocatable lookAt)
{
Dirty = true;
_pos = new Location(posLoc);
Pos3d = _pos.ToPositionAboveSeaLeveld (_altitude);
LookAt = new Location (lookAt);
LookAt3d = LookAt.ToPositionAboveSeaLeveld (0);
}
public LocLinAnim(double duration, ILocatable start, ILocatable end)
{
_start = new Location(start);
_end = new Location(end);
_current = _start;
_duration = duration;
}
public Camera()
{
_projectionMatrixF = Matrix4.Identity;
_viewMatrixF = Matrix4.Identity;
_projectionMatrix = Matrix4d.Identity;
_viewMatrix = Matrix4d.Identity;
ScreenLocations = new Location[21];
}
public void SetLookAt(ILocatable lookAt, bool animated)
{
if (animated) {
_lookAtAnim = new LocLinAnim(2, LookAt, lookAt);
var oldLocPos = LookAt.ToPositionAboveSeaLeveld(_altitude);
_posAnim = new VectorLinAnim(5, Pos3d, oldLocPos);
}
else {
LookAt = new Location(lookAt);
LookAt3d = LookAt.ToPositionAboveSeaLeveld (0);
Dirty = true;
}
}
public static double HeadingTo(this ILocatable start, ILocatable finish)
{
var n = new Location(
start.Longitude,
finish.Latitude
);
var e = new Location(
finish.Longitude,
start.Latitude
);
var northMiles = start.MilesTo(n);
if (n.Latitude < start.Latitude) {
northMiles *= -1;
}
var eastMiles = start.MilesTo(e);
if (e.Longitude < start.Longitude) {
eastMiles *= -1;
}
var a = Math.Atan2(northMiles, eastMiles);
if (a < 0) {
a += Math.PI * 2;
}
var heading = 90 - a*180/Math.PI;
while (heading < 0) {
heading += 360;
}
while (heading >= 360) {
heading -= 360;
}
return heading;
}
