void Update(float deltaTime)
{
if (deltaTime > 1 / 30f)
{
deltaTime = 1 / 30f;
}
var rotation = Transform.Rotation;
var position = Transform.Position;
if (Debug.GetCVar("game / camera position 1 / save").EatBoolIfTrue())
{
savedPosition1 = position;
savedRotation1 = rotation;
}
if (Debug.GetCVar("game / camera position 1 / load").EatBoolIfTrue())
{
position = Transform.Position = savedPosition1;
rotation = Transform.Rotation = savedRotation1;
}
if (Debug.GetCVar("game / camera position 2 / save").EatBoolIfTrue())
{
savedPosition2 = position;
savedRotation2 = rotation;
}
if (Debug.GetCVar("game / camera position 2 / load").EatBoolIfTrue())
{
position = Transform.Position = savedPosition2;
rotation = Transform.Rotation = savedRotation2;
}
var planet = planets?.GetClosestPlanet(position);
Debug.AddValue("camera / speed modifier", cameraSpeedModifier);
Debug.AddValue("camera / position", position);
var mouse = Mouse.GetState();
var mouseDelta = new Point(mouse.X - lastMousePos.X, mouse.Y - lastMousePos.Y);
lastMousePos = new Point(mouse.X, mouse.Y);
int scrollWheelDelta = mouse.ScrollWheelValue - scrollWheelValue;
scrollWheelValue = mouse.ScrollWheelValue;
if (Input.GetKeyDown(Key.Escape))
{
if (Scene.Engine.WindowState == WindowState.Fullscreen)
{
Scene.Engine.WindowState = WindowState.Normal;
}
else if (Input.LockCursor)
{
Input.LockCursor = false;
Input.CursorVisible = true;
}
else
{
Scene.Engine.Exit();
}
}
if (Input.GeMouseButtonDown(MouseButton.Left))
{
if (Input.LockCursor == false)
{
Input.LockCursor = true;
Input.CursorVisible = false;
}
}
float planetSpeedModifier = 1;
if (planet != null)
{
var planetLocalPosition = planet.Transform.Position.Towards(position).ToVector3d();
var sphericalPlanetLocalPosition = planet.CalestialToSpherical(planetLocalPosition);
var onPlanetSurfaceHeight = planet.GetSurfaceHeight(planetLocalPosition);
var onPlanetDistanceToSurface = sphericalPlanetLocalPosition.altitude - onPlanetSurfaceHeight;
{
Debug.AddValue("camera / distance to surface", onPlanetDistanceToSurface);
{
var s = MyMath.SmoothStep(1, 30000, (float)onPlanetDistanceToSurface);
cam.NearClipPlane = 1000 * s + 0.5f;
cam.FarClipPlane = 5000000 * s + 100000;
}
}
if (speedBasedOnDistanceToPlanet)
{
var s = MyMath.Clamp(onPlanetDistanceToSurface, 1, 30000);
planetSpeedModifier = (1 + (float)s / 5.0f);
}
}
if (Input.LockCursor)
{
if (scrollWheelDelta > 0)
{
cameraSpeedModifier *= 1.3f;
}
if (scrollWheelDelta < 0)
{
cameraSpeedModifier /= 1.3f;
}
cameraSpeedModifier = MyMath.Clamp(cameraSpeedModifier, 1, 100000);
float currentSpeed = cameraSpeedModifier * planetSpeedModifier;
if (Input.GetKey(Key.ShiftLeft))
{
currentSpeed *= 5;
}
Debug.AddValue("camera / real speed", currentSpeed);
var targetVelocity = Vector3.Zero;
if (Input.GetKey(Key.W))
{
targetVelocity += currentSpeed * Constants.Vector3Forward;
}
if (Input.GetKey(Key.S))
{
targetVelocity -= currentSpeed * Constants.Vector3Forward;
}
if (Input.GetKey(Key.D))
{
targetVelocity += currentSpeed * Constants.Vector3Right;
}
if (Input.GetKey(Key.A))
{
targetVelocity -= currentSpeed * Constants.Vector3Right;
}
if (Input.GetKey(Key.Space))
{
targetVelocity += currentSpeed * Constants.Vector3Up;
}
if (Input.GetKey(Key.ControlLeft))
{
targetVelocity -= currentSpeed * Constants.Vector3Up;
}
//var pos = Matrix4.CreateTranslation(targetVelocity);
float pitchDelta = 0;
float yawDelta = 0;
float rollDelta = 0;
float c = mouseSensitivty * (float)deltaTime;
yawDelta += mouseDelta.X * c;
pitchDelta += mouseDelta.Y * c;
if (Input.GetKey(Key.Q))
{
rollDelta -= c;
}
if (Input.GetKey(Key.E))
{
rollDelta += c;
}
if (planet != null && Input.GetKeyDown(Key.C))
{
rotation = position.Towards(planet.Transform.Position).ToVector3d().Normalized().ToVector3().LookRot();
}
if (planet != null && WalkOnPlanet.Bool)
{
var up = planet.Center.Towards(position).ToVector3().Normalized();
var forward = walkOnSphere_lastForward;
if (walkOnSphere_isFirstRun)
{
walkOnSphere_lastUp = up;
var pointOnPlanet = planet.Center.Towards(position).ToVector3d();
var s = planet.CalestialToSpherical(pointOnPlanet);
//s.latitude += 0.1f;
//var forwardToPole = pointOnPlanet.Towards(planet.SphericalToCalestial(s)).Normalized().ToVector3().Normalized();
forward = Constants.Vector3Forward.RotateBy(rotation);
}
else
{
var upDeltaAngle = up.Angle(walkOnSphere_lastUp);
var upDeltaRot = Quaternion.FromAxisAngle(up.Cross(walkOnSphere_lastUp), upDeltaAngle).Inverted();
forward = forward.RotateBy(upDeltaRot);
}
var left = up.Cross(forward);
var rotDelta =
Quaternion.FromAxisAngle(up, -yawDelta) *
Quaternion.FromAxisAngle(left, pitchDelta);
forward = forward.RotateBy(rotDelta);
{
// clamping up down rotation
var maxUpDownAngle = 80;
var minUp = MyMath.ToRadians(90 - maxUpDownAngle);
var maxDown = MyMath.ToRadians(90 + maxUpDownAngle);
var angle = forward.Angle(up);
if (angle < minUp)
{
forward = up.RotateBy(Quaternion.FromAxisAngle(left, minUp));
}
else if (angle > maxDown)
{
forward = up.RotateBy(Quaternion.FromAxisAngle(left, maxDown));
}
}
forward.Normalize();
rotation = QuaternionUtility.LookRotation(forward, up);
walkOnSphere_lastForward = forward;
walkOnSphere_lastUp = up;
walkOnSphere_isFirstRun = false;
}
else
{
var rotDelta =
Quaternion.FromAxisAngle(-Vector3.UnitX, pitchDelta) *
Quaternion.FromAxisAngle(-Vector3.UnitY, yawDelta) *
Quaternion.FromAxisAngle(-Vector3.UnitZ, rollDelta);
rotation = rotation * rotDelta;
walkOnSphere_isFirstRun = true;
}
Transform.Rotation = rotation;
targetVelocity = targetVelocity.RotateBy(rotation);
currentVelocity = Vector3.Lerp(currentVelocity, targetVelocity, velocityChangeSpeed * (float)deltaTime);
position += currentVelocity * (float)deltaTime;
// make cam on top of the planet
if (planet != null && collideWithPlanetSurface)
{
var planetLocalPosition = planet.Transform.Position.Towards(position).ToVector3d();
var sphericalPlanetLocalPosition = planet.CalestialToSpherical(planetLocalPosition);
var onPlanetSurfaceHeight = planet.GetSurfaceHeight(planetLocalPosition);
var onPlanetDistanceToSurface = sphericalPlanetLocalPosition.altitude - onPlanetSurfaceHeight;
var h = onPlanetSurfaceHeight + 2;
if (sphericalPlanetLocalPosition.altitude <= h || WalkOnPlanet.Bool)
{
sphericalPlanetLocalPosition.altitude = h;
position = planet.Transform.Position + planet.SphericalToCalestial(sphericalPlanetLocalPosition);
}
}
Transform.Position = position; // += Entity.Transform.Position.Towards(position).ToVector3d() * deltaTime * 10;
//Log.Info(entity.transform.position);
}
}
void Render()
{
//var projection = Matrix4.CreatePerspectiveFieldOfView(60, 1, 0, 100);
var time = new System.Diagnostics.Stopwatch();
time.Start();
Log.Info("start");
var faces = new[] {
new {
face = Cubemap.Face.PositiveX,
getPos = (Func <float, float, Vector3>)((float x, float y) => { return(new Vector3(+1, x, y)); }),
},
new {
face = Cubemap.Face.NegativeX,
getPos = (Func <float, float, Vector3>)((float x, float y) => { return(new Vector3(-1, x, y)); }),
},
new {
face = Cubemap.Face.PositiveY,
getPos = (Func <float, float, Vector3>)((float x, float y) => { return(new Vector3(x, +1, y)); }),
},
new {
face = Cubemap.Face.NegativeY,
getPos = (Func <float, float, Vector3>)((float x, float y) => { return(new Vector3(x, -1, y)); }),
},
new {
face = Cubemap.Face.PositiveZ,
getPos = (Func <float, float, Vector3>)((float x, float y) => { return(new Vector3(x, y, +1)); }),
},
new {
face = Cubemap.Face.NegativeZ,
getPos = (Func <float, float, Vector3>)((float x, float y) => { return(new Vector3(x, y, -1)); }),
},
};
var r = new Random();
for (int x = 0; x < w; x++)
{
for (int y = 0; y < h; y++)
{
var fx = x / (float)w;
var fy = y / (float)h;
for (int f = 0; f < 6; f++)
{
var pos = faces[f].getPos(fx, fy);
pos.Normalize();
var face = faces[f].face;
for (int i = 0; i < stars.Count; i++)
{
var d = stars[i].dir.DistanceSqr(pos);
if (d > stars[i].checkDistanceRadius)
{
continue;
}
d = 1.0f - MyMath.Clamp(d * w * h / stars[i].size, 0.0f, 1.0f);
//var c = cubemap.GetPixel(face, x, y);
var s = stars[i].color;
s = Color.FromArgb((int)(d * 255), s.R, s.G, s.B);
//c = c.Blend(s);
cubemap.SetPixel(face, x, y, s);
//cubemap.SetPixel(face, x, y, Color.Red);
}
//cubemap.SetPixel(face, x, y, Color.Red);
}
}
}
Log.Info("done in " + time.Elapsed.TotalSeconds + " seconds");
}