// Update is called once per frame
void Update()
{
// Adapted from: http://3dcognition.com/unity-flight-simulator-phase-2/
// and http://wiki.unity3d.com/index.php/SmoothMouseLook
if (ResetButton.GetState(SteamVR_Input_Sources.Any))
{
Reset();
}
float altitude = transform.position.magnitude;
float rotateSpeed = 30.0f; // degrees/second
float speed = 0.5f * (altitude - 0.99f); // WASD movement, earth radius/second
float mouseSpeed = 140.0f; // degrees rotation per pixel of mouse movement / second
float transAmount = speed * Time.deltaTime;
float rotateAmount = rotateSpeed * Time.deltaTime;
// Update time zooming
if (Input.GetKeyDown("."))
{
TimeControl.ui_timelapse *= 4.0f;
}
if (Input.GetKeyDown(","))
{
TimeControl.ui_timelapse /= 4.0f;
}
if (Input.GetKeyDown("/"))
{
TimeControl.ui_timelapse = 1.0f;
}
// Debug.Log("Orbital camera vive running");
float zoom = TimeZoomAxis.GetAxis(TimeHand);
if (zoom > 0.0f)
{
Debug.Log(" time axis active: " + zoom);
TimeControl.ui_timelapse = 16.0f * Mathf.Pow(4.0f, 1.0f + 2.0f * zoom);
}
else
{
TimeControl.ui_timelapse = 1.0f;
}
TimeControl.Update();
float rotX = 0.0f;
float rotY = 0.0f;
if (Input.GetMouseButton(0))
{
rotX += Input.GetAxis("Mouse X") * mouseSpeed * Time.deltaTime;
rotY -= Input.GetAxis("Mouse Y") * mouseSpeed * Time.deltaTime;
}
if (Input.GetKey("up"))
{
rotY += rotateAmount;
}
if (Input.GetKey("down"))
{
rotY -= rotateAmount;
}
if (Input.GetKey("left"))
{
rotX -= rotateAmount;
}
if (Input.GetKey("right"))
{
rotX += rotateAmount;
}
Vector3 rocket = new Vector3(0.0f, 0.0f, 0.0f);
float rocketAccel = 50.0f; // m/s^2 acceleration in vacuum
if (Input.GetKey("a"))
{
rocket.x = -rocketAccel;
}
if (Input.GetKey("d"))
{
rocket.x = +rocketAccel;
}
if (Input.GetKey("z"))
{
rocket.y = -rocketAccel;
}
if (Input.GetKey("q"))
{
rocket.y = +rocketAccel;
}
if (Input.GetKey("s"))
{
rocket.z = -rocketAccel;
}
if (Input.GetKey("w"))
{
rocket.z = +rocketAccel;
}
// Rotate keyboard rocket thrust to match local motion frame
rocket = rocket.x * transform.right + rocket.y * transform.up + rocket.z * transform.forward;
float thrust = RocketThrustAxis.GetAxis(RocketHand);
Quaternion rot = RocketPose.GetLocalRotation(RocketHand);
rot = transform.rotation * rot; // local to world rotation
Vector3 rocketForward = rot * Vector3.forward;
if (thrust > 0.0f)
{
Debug.Log(" thrust axis active: " + thrust + " direction " + rocketForward);
rocket += thrust * rocketForward * rocketAccel; // FIXME: rotate to match controller orientation
Engine_manager.g_ThrustLevel = thrust;
}
else
{
Engine_manager.g_ThrustLevel = 0.0f;
}
float me = 5.972e24f; // mass of Earth, in kilograms
float G = 6.67408e-11f; // gravitational constant, MKS units
float r = P.magnitude; // distance to spacecraft, in meters
float accel = -G * me / (r * r); // scalar acceleration due to gravity (m/s^2)
Vector3 A = P * (accel / P.magnitude); // vector acceleration due to gravity
A += rocket; // acceleration due to rocket
float dt = Time.deltaTime * TimeControl.timelapse;
V = V + dt * A; // Euler update for velocity
P = P + dt * V; // Euler update for position
float height = (P.magnitude - Re) / (km); // kilometers altitude
float airdrag = 0.0f;
if (height < 60.0f)
{
float air_density = Mathf.Exp(-height / 8.0f);
float dragfactor = 0.01f + 0.2f * Vector3.Cross(rocketForward.normalized, V.normalized).magnitude;
airdrag = dragfactor * air_density;
float dragloss = (1.0f - airdrag * dt);
if (dragloss < 0.5f)
{
dragloss = 0.5f;
}
V = V * dragloss;
airdrag *= V.magnitude;
}
float min_altitude = 1.00001f * Re; // stay outside of the planet
if (P.magnitude < min_altitude)
{
P = P * (min_altitude / P.magnitude);
}
float max_altitude = 100.0f * Re; // stay fairly near the planet
if (P.magnitude > max_altitude)
{
P = P * (max_altitude / P.magnitude);
V = V * 0.001f;
}
// Bake output camera position
Vector3 pos = P * (1.0f / km);// copy out simulated position to GUI position (in Earth radii)
//pos.y-=1.8f; // make up for user height
transform.position = pos;
transform.Rotate(rotY, rotX, 0);
// Update the text readout gizmo
var TimeReadout = GameObject.FindWithTag("TimeReadout");
if (TimeReadout)
{
TimeReadout.transform.localPosition = TimePose.GetLocalPosition(TimeHand);
TimeReadout.transform.localRotation = TimePose.GetLocalRotation(TimeHand);
}
var TextReadout = GameObject.FindWithTag("TimeReadoutText");
if (TextReadout)
{
float alt = (P.magnitude - Re) / km;
float vel = V.magnitude / km;
string pre = "";
if (airdrag > 0.0)
{
pre = "Air drag: " + string.Format("{0:F1}", airdrag) + " m/s/s\n";
}
string text = pre +
"Time: x" + string.Format("{0:F1}", TimeControl.timelapse) + "\n" +
"Thrust: " + string.Format("{0:F0}", rocket.magnitude) + " m/s/s\n" +
"Speed: " + string.Format("{0:F2}", vel) + " km/s\n" +
"Vertical: " + string.Format("{0:F2}", Vector3.Dot(P.normalized, V) / km) + " km/s\n" +
"Altitude: " + (int)alt + " km";
TextReadout.GetComponent <TextMesh>().text = text;
}
if (Input.GetKey("x") || Input.GetKey("escape"))
{
Application.Quit();
}
}
// Update is called once per frame
void Update()
{
// Adapted from: http://3dcognition.com/unity-flight-simulator-phase-2/
// and http://wiki.unity3d.com/index.php/SmoothMouseLook
float altitude = transform.position.magnitude;
float rotateSpeed = 30.0f; // degrees/second
float speed = 0.5f * (altitude - 0.99f); // WASD movement, earth radius/second
float mouseSpeed = 140.0f; // degrees rotation per pixel of mouse movement / second
float transAmount = speed * Time.deltaTime;
float rotateAmount = rotateSpeed * Time.deltaTime;
// Update time zooming
if (Input.GetKeyDown("."))
{
TimeControl.ui_timelapse *= 4.0f;
}
if (Input.GetKeyDown(","))
{
TimeControl.ui_timelapse /= 4.0f;
}
if (Input.GetKeyDown("/"))
{
TimeControl.ui_timelapse = 1.0f;
}
float zoom = Input.GetAxis("Time Zoom");
if (zoom > 0.0f)
{
TimeControl.ui_timelapse = 16.0f * Mathf.Pow(4.0f, 1.0f + 2.0f * zoom);
}
TimeControl.Update();
float rotX = 0.0f;
float rotY = 0.0f;
if (Input.GetMouseButton(0))
{
rotX += Input.GetAxis("Mouse X") * mouseSpeed * Time.deltaTime;
rotY -= Input.GetAxis("Mouse Y") * mouseSpeed * Time.deltaTime;
}
if (Input.GetKey("up"))
{
rotY += rotateAmount;
}
if (Input.GetKey("down"))
{
rotY -= rotateAmount;
}
if (Input.GetKey("left"))
{
rotX -= rotateAmount;
}
if (Input.GetKey("right"))
{
rotX += rotateAmount;
}
Vector3 rocket = new Vector3(0.0f, 0.0f, 0.0f);
float rocketAccel = 50.0f; // m/s^2 acceleration in vacuum
if (Input.GetKey("a"))
{
rocket.x = -rocketAccel;
}
if (Input.GetKey("d"))
{
rocket.x = +rocketAccel;
}
if (Input.GetKey("z"))
{
rocket.y = -rocketAccel;
}
if (Input.GetKey("q"))
{
rocket.y = +rocketAccel;
}
if (Input.GetKey("s"))
{
rocket.z = -rocketAccel;
}
if (Input.GetKey("w"))
{
rocket.z = +rocketAccel;
}
// Rotate keyboard rocket thrust to match local motion frame
rocket = rocket.x * transform.right + rocket.y * transform.up + rocket.z * transform.forward;
float thrust = Input.GetAxis("Rocket Thrust");
if (thrust > 0.0f)
{
rocket.z += thrust; // FIXME: rotate to match controller orientation
}
float me = 5.972e24f; // mass of Earth, in kilograms
float G = 6.67408e-11f; // gravitational constant, MKS units
float r = P.magnitude; // distance to spacecraft, in meters
float accel = -G * me / (r * r); // scalar acceleration due to gravity (m/s^2)
Vector3 A = P * (accel / P.magnitude); // vector acceleration due to gravity
A += rocket; // acceleration due to rocket
float dt = Time.deltaTime * TimeControl.timelapse;
V = V + dt * A; // Euler update for velocity
P = P + dt * V; // Euler update for position
float height = (P.magnitude - Re) / (km); // kilometers altitude
if (height < 60.0f)
{
float air_density = Mathf.Exp(-height / 8.0f);
float dragfactor = 0.1f;
float dragloss = (1.0f - dragfactor * air_density * dt);
if (dragloss < 0.5f)
{
dragloss = 0.5f;
}
V = V * dragloss;
}
float min_altitude = 1.00001f * Re; // stay outside of the planet
if (P.magnitude < min_altitude)
{
P = P * (min_altitude / P.magnitude);
}
float max_altitude = 100.0f * Re; // stay fairly near the planet
if (P.magnitude > max_altitude)
{
P = P * (max_altitude / P.magnitude);
V = V * 0.001f;
}
transform.position = P * (1.0f / Re);// copy out simulated position to GUI position (in Earth radii)
transform.Rotate(rotY, rotX, 0);
if (Input.GetKey("x") || Input.GetKey("escape"))
{
Application.Quit();
}
}
// Update is called once per frame
void Update()
{
// Adapted from: http://3dcognition.com/unity-flight-simulator-phase-2/
// and http://wiki.unity3d.com/index.php/SmoothMouseLook
float altitude = transform.position.magnitude;
float rotateSpeed = 30.0f; // degrees/second
float speed = 0.5f * (altitude - 0.99f); // WASD movement, earth radius/second
float mouseSpeed = 140.0f; // degrees rotation per pixel of mouse movement / second
// Update time zooming
if (Input.GetKeyDown("."))
{
TimeControl.ui_timelapse *= 4.0f;
}
if (Input.GetKeyDown(","))
{
TimeControl.ui_timelapse /= 4.0f;
}
if (Input.GetKeyDown("/"))
{
TimeControl.ui_timelapse = 1.0f;
}
TimeControl.Update();
float transAmount = speed * Time.deltaTime;
float rotateAmount = rotateSpeed * Time.deltaTime;
float rotX = 0.0f;
float rotY = 0.0f;
if (Input.GetMouseButton(0))
{
rotX += Input.GetAxis("Mouse X") * mouseSpeed * Time.deltaTime;
rotY -= Input.GetAxis("Mouse Y") * mouseSpeed * Time.deltaTime;
}
if (Input.GetKey("up"))
{
rotY += rotateAmount;
}
if (Input.GetKey("down"))
{
rotY -= rotateAmount;
}
if (Input.GetKey("left"))
{
rotX -= rotateAmount;
}
if (Input.GetKey("right"))
{
rotX += rotateAmount;
}
transform.Rotate(rotY, rotX, 0);
if (Input.GetKey("a"))
{
transform.Translate(-transAmount, 0, 0);
}
if (Input.GetKey("d"))
{
transform.Translate(transAmount, 0, 0);
}
if (Input.GetKey("z"))
{
transform.Translate(0, -transAmount, 0);
}
if (Input.GetKey("q"))
{
transform.Translate(0, transAmount, 0);
}
if (Input.GetKey("s"))
{
transform.Translate(0, 0, -transAmount);
}
if (Input.GetKey("w"))
{
transform.Translate(0, 0, transAmount);
}
float min_altitude = 1.00001f; // keep outside of the planet
if (transform.position.magnitude < min_altitude)
{
transform.position = transform.position * (min_altitude / transform.position.magnitude);
}
if (Input.GetKey("x") || Input.GetKey("escape"))
{
Application.Quit();
}
}
