// Update is called once per frame
void Update()
{
if (timestep == 0)
{ //This prevents a timestep of 0 which SERIOUSLY messes up the Verlet algorithm
timestep = 0.0000001f;
}
GameObject[] massObject = GameObject.FindGameObjectsWithTag("massObject"); //Gathers all of the massObjects for updating
for (int i = 0; i < massObject.Length; i++)
{ //Updates relivant datapoints
VerletObjectV1 massiveBody = massObject[i].GetComponent <VerletObjectV1>();
massiveBody.timeStep = timestep;
massiveBody.scale = scale;
float scaleValue = 6.68459e-09f * sizeScale * massiveBody.radius * scale;
massObject[i].transform.localScale = new Vector3(scaleValue, scaleValue, scaleValue);
}
}
public void calculateAcceleration()
{
Vector3d ForceVector = Vector3d.zero;
for (int i = 0; i < massObject.Length; i++)
{ //For the rest of the objects...
if (massObject[i] != this.gameObject)
{ //If the object isn't this object
VerletObjectV1 mO = massObject[i].GetComponent <VerletObjectV1>(); //The "O" is a letter not a number
distance = Mathd.Sqrt(Mathd.Pow(position.x - mO.position.x, 2) + Mathd.Pow(position.y - mO.position.y, 2) + Mathd.Pow(position.z - mO.position.z, 2));
double Force = (1.9934976 * Mathd.Pow(10, -44)) * ((mass * mO.mass)) * (1 / Mathd.Pow(distance, 2)); //This and ABOVE calculate force of gravity and distance between bodies respectively
Vector3d thisVector = (mO.position - position).normalized * Force; //Updates the velocity vector based on each body, thus calculating all relationships
ForceVector = ForceVector + thisVector;
}
}
acceleration = ForceVector * (1 / mass); //Calculates the actual accleration
}
private string time; //The current time (assists above)
// Use this for initialization
void Start()
{
XmlDocument dataFile = new XmlDocument(); //The file of data about the bodies
dataFile.Load(@"Assets/PlanetaryData/filename.xml");
XmlDocument orbitFile = new XmlDocument(); //The file of the orbit data for each body
orbitFile.Load(@"Assets/PlanetaryData/orbitData.xml");
foreach (XmlNode node in dataFile.DocumentElement.ChildNodes)
{ //For every body
bodyName = node.Attributes["name"].Value; //Name the body
foreach (XmlNode subnode in node.ChildNodes)
{ //For all accociated data
if (subnode.Name == "mass")
{ //Get the mass
mass = float.Parse(subnode.InnerText);
}
else if (subnode.Name == "radius")
{ //Get the radius (if available)
radius = float.Parse(subnode.InnerText);
}
}
DateTime currenttime = DateTime.Now; //The current date/time
string currentMonth = "";
switch (currenttime.Month)
{ //Getting the month correct
case 1:
currentMonth = "Jan";
break;
case 2:
currentMonth = "Feb";
break;
case 3:
currentMonth = "Mar";
break;
case 4:
currentMonth = "Apr";
break;
case 5:
currentMonth = "May";
break;
case 6:
currentMonth = "Jun";
break;
case 7:
currentMonth = "Jul";
break;
case 8:
currentMonth = "Aug";
break;
case 9:
currentMonth = "Sep";
break;
case 10:
currentMonth = "Oct";
break;
case 11:
currentMonth = "Nov";
break;
case 12:
currentMonth = "Dec";
break;
}
Debug.Log(currenttime.Hour);
string targetDateTime = "";
if (currenttime.Hour == 0)
{
targetDateTime = currenttime.Year.ToString() + "-" + currentMonth + "-" + currenttime.Day.ToString() + " 0" + currenttime.Hour + ":00:00.0000";
}
else
{
targetDateTime = currenttime.Year.ToString() + "-" + currentMonth + "-" + currenttime.Day.ToString() + " " + currenttime.Hour + ":00:00.0000";
}
foreach (XmlNode orbitNode in orbitFile.DocumentElement.ChildNodes)
{ //For every planet
if (orbitNode.Attributes["name"].Value == bodyName)
{
Debug.Log("START");
Debug.Log(targetDateTime);
foreach (XmlNode orbitsubnode in orbitNode.ChildNodes)
{ //For every orbit datapoint
if (orbitsubnode.Attributes["timeStamp"].Value == targetDateTime)
{
x = float.Parse(orbitsubnode["X"].InnerText); //(above) if the timestamp is the reqested one
y = float.Parse(orbitsubnode["Y"].InnerText); // Get the data
z = float.Parse(orbitsubnode["Z"].InnerText);
vx = float.Parse(orbitsubnode["VX"].InnerText);
vy = float.Parse(orbitsubnode["VY"].InnerText);
vz = float.Parse(orbitsubnode["VZ"].InnerText);
}
}
}
}
//defaultBody.name = bodyName; //This code sets the default body values to the given data and instantiates it
VerletObjectV1 df = defaultBody.GetComponent <VerletObjectV1>();
df.mass = mass;
df.inputPosition = new Vector3(x, y, z);
df.inputVelocity = new Vector3(vx, vy, vz);
df.radius = radius;
GameObject body = Instantiate(defaultBody);
body.name = bodyName;
}
}
// Use this for initialization
void Start()
{
vO = massiveBody.GetComponent <VerletObjectV1>();
}
