/*
* algo from: https://gamedevelopment.tutsplus.com/tutorials/adding-turbulence-to-a-particle-system--gamedev-13332
*/
private Vector3 applyVortex(Vector3 pos, VortexType type)
{
float distanceX = float.MaxValue;
float distanceY = float.MaxValue;
float distanceZ = float.MaxValue;
float distance = float.MaxValue;
Vector3 direction = Vector3.zero;
foreach (GameObject a in Attractors)
{
if (Vector3.Distance(pos, a.transform.position) < distance)
{
distanceX = (pos.x - a.transform.position.x);
distanceY = (pos.y - a.transform.position.y);
distanceZ = (pos.z - a.transform.position.z);
distance = Vector3.Distance(pos, a.transform.position);
}
direction += (a.transform.position - pos).normalized;
}
float vortexScale = 10f;
float vortexSpeed = 5f;
Vector3 distances = new Vector3(distanceX, distanceY, distanceZ);
Vector3 totalForce;
switch (type)
{
case VortexType.Forward:
totalForce = vortexForward(vortexSpeed, 20f, distances, direction);
break;
case VortexType.Up:
totalForce = vortexUp(vortexSpeed, vortexScale, distances, direction);
break;
case VortexType.UpRepulsion:
totalForce = vortexUpRepulsion(vortexSpeed, vortexScale, distances, direction);
break;
case VortexType.ForwardRepulsion:
totalForce = vortexForwardRepulsion(vortexSpeed, 15f, distances, direction);
break;
default:
totalForce = vortexForward(vortexSpeed, vortexScale, distances, direction);
break;
}
return(totalForce);
}
public Vector3 ApplyVortexSpecial(VortexType type, Vector3 position)
{
return(applyVortex(position, type));
}
