public void RayOut(Vector3 origin, Vector3 direction, int currentLinePosition)
{
RaycastHit hit;
Ray ray = new Ray();
ray.origin = origin;
ray.direction = direction;
lr.SetPosition(currentLinePosition++, ray.origin);
if (Physics.Raycast(ray, out hit, 100.0f))
{
if (hit.transform.gameObject.tag == "Material")
{
RefractableMaterial rm = hit.transform.gameObject.GetComponent <RefractableMaterial>();
lr.positionCount = currentLinePosition + 4;
degrees1 = 180 - Vector3.SignedAngle(ray.direction, hit.normal, Vector3.up);
degrees2 = toDegrees(snellCalculator(lm.rm.GetIndexOfRefraction(), rm.GetIndexOfRefraction(), degrees1));
rm.text.text =
"θ1: " + String.Format("{0:0.000}", degrees1) + "\n" +
"θ2: " + String.Format("{0:0.000}", degrees2);
// render line from laser to point of contact with material
lr.SetPosition(currentLinePosition++, hit.point);
RaycastHit hitExit;
Ray rayExit = new Ray();
rayExit.origin = hit.point - ((Quaternion.AngleAxis(degrees2, Vector3.up) * hit.normal).normalized * 1.5f);
rayExit.direction = (Quaternion.AngleAxis(degrees2, Vector3.up) * hit.normal).normalized;
if (Physics.Raycast(rayExit, out hitExit, 10.0f))
{
if (hitExit.transform == hit.transform)
{
degrees1 = 180 - Vector3.SignedAngle(rayExit.direction, hitExit.normal, Vector3.up);
degrees2 = toDegrees(snellCalculator(rm.GetIndexOfRefraction(), lm.rm.GetIndexOfRefraction(), degrees1));
// render line from contact point to exit point
lr.SetPosition(currentLinePosition++, hitExit.point);
RayOut(hitExit.point, direction, currentLinePosition);
}
}
}
}
else
{
lr.SetPosition(currentLinePosition, origin + (direction * 100.0f));
}
}
/*
* when a new custom index of refraction is entered
*/
public string NewIndex(RefractableMaterial rm, string input)
{
float newRefraction = CheckFieldInputs(input, 0.0f, 10.0f);
rm.SetCustomRefraction(newRefraction);
return("" + rm.GetIndexOfRefraction());
}
/*
* enable UI components for refractable material objects
*/
public void RunRMUIComponents()
{
ShowToggle(false);
ShowIndexComponents(true);
objText.text = "Refractable Material";
RefractableMaterial rm = lm.obj.GetComponent <RefractableMaterial>();
indexesMenu.value = rm.GetPresetIndex();
if (indexesMenu.value != (int)RefractableMaterial.IndexesOfRefraction.CUSTOM)
{
refractionField.text = "" + rm.GetIndexOfRefraction();
refractionField.enabled = false;
}
else
{
refractionField.enabled = true;
}
}