// use "LateUpdate to ensure that we get the value for velocityVect.
void LateUpdate()
{
Debug.Log("Drawing Ballistic Arc");
// we know this is highly inefficient but wanted to get it working asap
Slingshot ss = gameObject.transform.parent.GetComponent <Slingshot>() as Slingshot;
PullZone pz = ss.GetComponentInChildren <PullZone>();
if ((ss.slingshotHand == "left" && pz.loadedObject != null) ||
(ss.slingshotHand == "right" && pz.loadedObject != null))
{
Vector3 velocityVect = ss.CalculateV();
lr.positionCount = (int)(timeMaximum / timeStep);
Vector3 currPos = transform.position;
int i = 0; // index
for (float t = 0.0f; t < timeMaximum; t += timeStep)
{
lr.SetPosition(i, currPos);
// project target impact point
RaycastHit impact;
if (Physics.Raycast(currPos, velocityVect, out impact, velocityVect.magnitude, layerMask))
{
lr.positionCount = i + 2;
lr.SetPosition(i + 1, impact.point);
if (impactCircle != null)
{
if (impactCircleInstance != null)
{
impactCircleInstance.transform.position = impact.point;
}
else
{
impactCircleInstance = Instantiate(impactCircle, impact.point, Quaternion.identity) as GameObject;
impactCircleInstance.transform.parent = gameObject.transform;
}
}
break;
}
// update position
currPos = currPos + (velocityVect * timeStep);
// account for gravity on arc
velocityVect += (Physics.gravity * timeStep);
i++;
}
}
}
