void DrawPath()
{
GravityObjectHandler[] gravityObjects = FindObjectsOfType <GravityObjectHandler>();
GravityObjectData[] gravityObjectsData = new GravityObjectData[gravityObjects.Length];
Vector3[][] linePoints = new Vector3[gravityObjects.Length][];
for (int i = 0; i < gravityObjects.Length; i++)
{
gravityObjectsData[i] = new GravityObjectData(gravityObjects[i]);
linePoints[i] = new Vector3[iterations];
}
for (int iteration = 0; iteration < iterations; iteration++)
{
foreach (GravityObjectData gravityObjectData in gravityObjectsData)
{
if (!gravityObjectData.frozen)
{
gravityObjectData.velocity += GravityAcceleration(gravityObjectData, gravityObjectsData) * timeStep;
}
}
for (int i = 0; i < gravityObjectsData.Length; i++)
{
GravityObjectData gravityObjectData = gravityObjectsData[i];
if (!gravityObjectData.frozen)
{
Vector3 updatedPosition = gravityObjectData.position + gravityObjectData.velocity * timeStep;
gravityObjectData.position = updatedPosition;
if (gravityObjectData.showFuturePath)
{
linePoints[i][iteration] = updatedPosition;
}
}
}
}
for (int j = 0; j < gravityObjectsData.Length; j++)
{
if (gravityObjectsData[j].showFuturePath && !gravityObjectsData[j].frozen)
{
Color lineColor = gravityObjects[j].gameObject.GetComponentInChildren <MeshRenderer>().sharedMaterial.color; //
for (int i = 0; i < linePoints[j].Length - 1; i++)
{
if (Application.isPlaying)
{
Debug.DrawLine(linePoints[j][i], linePoints[j][i + 1], lineColor, playingPersistTime);
}
else
{
Debug.DrawLine(linePoints[j][i], linePoints[j][i + 1], lineColor);
}
}
}
}
}
Vector3 GravityAcceleration(GravityObjectData gravityObjectData, GravityObjectData[] gravityObjectsData)
{
Vector3 acceleration = Vector3.zero;
for (int j = 0; j < gravityObjectsData.Length; j++)
{
GravityObjectData otherGravityObjectData = gravityObjectsData[j];
if (gravityObjectData == otherGravityObjectData || !otherGravityObjectData.affectGravity)
{
continue;
}
Vector3 direction = otherGravityObjectData.position - gravityObjectData.position;
float sqrDst = direction.sqrMagnitude;
acceleration += direction.normalized * otherGravityObjectData.mass / sqrDst;
}
return(0.0667428f * acceleration);
}
