static public bool RayVsSceneMaterial(Ray r, out APARaycastHit hit, out MaterialStruct material)
{
hit = null;
material = null;
if (APARaycast.Raycast(r, out hit))
{
Debug.Log("Hit " + hit.transform.gameObject.name);
// Find The Material
var go = hit.transform.gameObject;
var goMat = go.GetComponent <Renderer>().material;
var matMainTex = goMat.mainTexture as Texture2D;
Vector2 pixelUv = hit.textureCoord;
pixelUv.x *= matMainTex.width;
pixelUv.y *= matMainTex.height;
var pixelColour = matMainTex.GetPixel((int)pixelUv.x, (int)pixelUv.y);
material = FindMaterialStructFromColour(pixelColour);
return(true);
}
else
{
// Debug.Log("Miss! " + APARaycast.intersectionErrorType);
return(false);
}
}
static APARaycastHit BuildRaycastHit(Triangle hitTriangle, float distance, Vector2 barycentricCoordinate)
{
APARaycastHit returnedHit = new APARaycastHit(hitTriangle.trans, distance, barycentricCoordinate);
returnedHit.textureCoord = hitTriangle.uv_pt0 + ((hitTriangle.uv_pt1 - hitTriangle.uv_pt0) * barycentricCoordinate.x) + ((hitTriangle.uv_pt2 - hitTriangle.uv_pt0) * barycentricCoordinate.y);
returnedHit.point = hitTriangle.pt0 + ((hitTriangle.pt1 - hitTriangle.pt0) * barycentricCoordinate.x) + ((hitTriangle.pt2 - hitTriangle.pt0) * barycentricCoordinate.y);
returnedHit.normal = hitTriangle.nrm_pt0 + ((hitTriangle.nrm_pt1 - hitTriangle.nrm_pt0) * barycentricCoordinate.x) + ((hitTriangle.nrm_pt2 - hitTriangle.nrm_pt0) * barycentricCoordinate.y);
returnedHit.triangle = hitTriangle;
return(returnedHit);
}
public static bool Raycast(Ray ray, out APARaycastHit hit)
{
hit = new APARaycastHit();
List <APARaycastHit> hits = new List <APARaycastHit>();
hits = INTERNAL_RaycastAll(ray);
if (hits.Count > 0)
{
hit = hits[0];
return(true);
}
return(false);
}
static bool INTERNAL_Raycast(Ray ray, out APARaycastHit hit)
{
hit = new APARaycastHit();
List <APARaycastHit> hits = new List <APARaycastHit>();
APAOctree octree = APAObjectDictionary.GetOctree();
if (octree.bounds.IntersectRay(ray))
{
hits = RecurseOctreeBounds(octree, ray);
}
hits = SortResults(hits);
if (hits.Count > 0)
{
hit = hits[0];
}
return(hits.Count > 0);
}
static List <APARaycastHit> SortResults(List <APARaycastHit> input)
{
APARaycastHit a = new APARaycastHit();
APARaycastHit b = new APARaycastHit();
bool swapped = true;
while (swapped)
{
swapped = false;
for (int i = 1; i < input.Count; i++)
{
if (input[i - 1].distance > input[i].distance)
{
a = input[i - 1];
b = input[i];
input[i - 1] = b;
input[i] = a;
swapped = true;
}
}
}
return(input);
}
