/**
* take in spray paint from the player with a distribution around the centermost
* hitpoint (the first hitpoint). hitpoints should be a normalized vector where
* (0,0,z) represents the bottom left and (1,1,z) is the top right. z is not used.
*/
public void Spray(PlayerSprayData playerSprayData)
{
Vector2Int[] binsHit = new Vector2Int[playerSprayData.sprayPoints.Length];
/* any ray which did not intersect the surface will have their bin set to (-1,-1) */
for (int i = 0; i < playerSprayData.sprayPoints.Length; ++i)
{
if (playerSprayData.castSuccess[i])
{
binsHit[i] = new Vector2Int(Mathf.RoundToInt(playerSprayData.sprayPoints[i].x * sprayGridX),
Mathf.RoundToInt(playerSprayData.sprayPoints[i].y * sprayGridY));
}
else
{
binsHit[i] = new Vector2Int(-1, -1);
}
}
for (int i = 0; i < binsHit.Length; ++i)
{
if (binsHit[i].x >= 0 && binsHit[i].x <= sprayGridX &&
binsHit[i].y >= 0 && binsHit[i].y <= sprayGridY)
{
// do stuff
}
}
}
/**
* If near a taggable surface and we have enough spray cans, spray graffiti
* onto the taggable surface. If we were unable to spray the surface for any reason
* we do not deduct any spray cans.
*/
void SprayTag()
{
if (nearestTagSurface != null && sprayCansCurrent > 0 && Input.GetButton("Fire3"))
{
/*
* bool sprayed;
* TaggableSurfaceController tagScript = nearestTagSurface.GetComponent<TaggableSurfaceController>();
* if (!tagScript.InGroup)
* {
* sprayed = tagScript.SprayTag(smallTag);
* }
* else
* {
* sprayed = tagScript.SprayTag(mediumTagPieces[tagScript.SurfaceIndex]);
* }
*
* if (sprayed)
* {
* --sprayCansCurrent;
* }*/
RayTagSurfaceController tagScript = nearestTagSurface.GetComponent <RayTagSurfaceController>();
GameObject surface = tagScript.getParent();
RaycastHit hitInfo = new RaycastHit();
Vector3[] castDirections = new Vector3[numRayCast];
/* get the direction of spraying, tending towards the centre of the surface
* but constrained with a max angle that the player can spray at
*/
Vector3 toSurfaceCenter = surface.transform.position - transform.position;
Debug.DrawRay(transform.position, toSurfaceCenter, Color.red);
Debug.DrawRay(transform.position, surface.transform.forward, Color.blue);
float angleDifference = Vector3.Angle(toSurfaceCenter, surface.transform.forward);
if (angleDifference > sprayDirectionMaxAngle)
{
toSurfaceCenter = Vector3.RotateTowards(toSurfaceCenter, surface.transform.forward, Mathf.Deg2Rad * (angleDifference - sprayDirectionMaxAngle), 0.0f);
}
castDirections[0] = toSurfaceCenter;
castDirections[1] = Quaternion.Euler(sprayConeAngle, 0, 0) * toSurfaceCenter;
castDirections[2] = Quaternion.Euler(-sprayConeAngle, 0, 0) * toSurfaceCenter;
castDirections[3] = Quaternion.Euler(0, sprayConeAngle, 0) * toSurfaceCenter;
castDirections[4] = Quaternion.Euler(0, -sprayConeAngle, 0) * toSurfaceCenter;
/* TODO: remove debug ray drawing when no longer necessary */
bool anyRayHit = false;
Vector3[] castHitPoints = new Vector3[numRayCast];
BitArray castSuccess = new BitArray(numRayCast);
for (int i = 0; i < numRayCast; ++i)
{
Debug.DrawRay(transform.position, castDirections[i], Color.green);
if (Physics.Raycast(transform.position, castDirections[i], out hitInfo, 10f, Physics.DefaultRaycastLayers, QueryTriggerInteraction.Collide))
{
anyRayHit = true;
castHitPoints[i] = ((hitInfo.point - surface.transform.position).normalized + new Vector3(1, 1, 1)).normalized;
castSuccess[i] = true;
}
else
{
castSuccess[i] = false;
}
}
if (anyRayHit)
{
PlayerSprayData playerSprayData = new PlayerSprayData(castHitPoints, castSuccess, transform.position, this.mediumTag);
tagScript.Spray(playerSprayData);
}
}
}
