void Update()
{
GalaxySim.GetData(celestialBodies);
Follow();
RenderBodies();
if (Input.GetKeyDown(KeyCode.T))
{
foreach (var body in celestialBodies)
{
Debug.Log(body.ToString());
}
}
if (Input.GetKeyDown(KeyCode.S))
{
IOUtil.SaveToFile(System.IO.Path.Combine(System.Environment.CurrentDirectory, "savedBodies.bin"), celestialBodies);
}
if (Input.GetKeyDown(KeyCode.L))
{
var objArray = IOUtil.LoadFromFile(System.IO.Path.Combine(System.Environment.CurrentDirectory, "savedBodies.bin"), typeof(GalaxySim.BodyData));
celestialBodies = new GalaxySim.BodyData[objArray.Length];
for (int i = 0; i < objArray.Length; i++)
{
celestialBodies[i] = (GalaxySim.BodyData)objArray[i];
}
GalaxySim.SetupSimulation(celestialBodies);
timeElapsed = 0;
}
}
void FixedUpdate()
{
for (int i = 0; i < (fixedStepCount == 0 ? 10 : fixedStepCount); i++)
{
GalaxySim.UpdateSimulation((timeStep == 0 ? 86400 : timeStep), i == 0);
timeElapsed += (timeStep == 0 ? 86400 : timeStep);
}
GalaxySim.UpdateCollision();
//GalaxySim.GetData(celestialBodies);
}
void Start()
{
bodyMaterial.enableInstancing = true;
hintMaterial.enableInstancing = true;
if (!SystemInfo.supportsComputeShaders)
{
Debug.LogError("Your system doesn't support compute shaders");
}
if (!SystemInfo.supportsInstancing)
{
useInstancing = false;
Debug.LogWarning("Your system doesn't support instancing");
}
// add new celestial bodies into this List!
List <GalaxySim.BodyData> bodiesList = new List <GalaxySim.BodyData>();
var sun = new GalaxySim.BodyData(new Vector3(0, 0, 0), new Vector3(0, 0, 0), 1.9891e30f, 6.955e8f, 6000, false, true);
var earth = new GalaxySim.BodyData(new Vector3(149597870700, 0, 0), new Vector3(0, 0, 29783), 5.965e24f * 1, 6371e3f, 300, false);
var jupiter = new GalaxySim.BodyData(new Vector3(816520800000, 0, 0), new Vector3(0, 0, 13070), 1.9e27f * 1, 71492e3f, 300, false);
bodiesList.Add(sun);
bodiesList.Add(earth);
bodiesList.Add(jupiter);
//some random asteroids near jupiter orbit
for (int i = 0; i < 1000; i++)
{
float randomRadius = UnityEngine.Random.value * Mathf.PI * 2;
float randomAltitude = UnityEngine.Random.Range(0.95f * 816520800000, 1.1f * 816520800000);
float orbitVel = Mathf.Sqrt(G * sun.mass / randomAltitude);
float randomVelocity = UnityEngine.Random.Range(orbitVel * 0.98f, orbitVel * 1.02f);
bodiesList.Add(new GalaxySim.BodyData(
new Vector3(Mathf.Cos(randomRadius), (-1 + 2 * UnityEngine.Random.value) * 0.1f, Mathf.Sin(randomRadius)) * randomAltitude,
new Vector3(-Mathf.Sin(randomRadius), 0, Mathf.Cos(randomRadius)) * randomVelocity * 1f,
100000, 600, 300, true));
}
celestialBodies = bodiesList.ToArray();
GalaxySim.SetupSimulation(celestialBodies);
}
