private void Update()
{
if (showBox)
{
Ray ray = Camera.main.ScreenPointToRay(mousePos);
RaycastHit groundHit;
bool hitDetect = Physics.BoxCast(
ray.origin,
currentObject.transform.localScale,
ray.direction,
out groundHit,
currentObject.transform.rotation,
10000,
groundMask
);
if (hitDetect)
{
boxLegal = !Physics.BoxCast(
ray.origin,
currentObject.transform.localScale / 2,
ray.direction,
currentObject.transform.rotation,
10000,
illegalMask
);
// Find the position of one of the corners.
Vector3 corner = new Vector3(
groundHit.point.x - currentObject.transform.localScale.x / 2,
currentObject.transform.position.y,
groundHit.point.z - currentObject.transform.localScale.z / 2
);
// Make sure the corner is aligned with the 8x8 grid.
corner = GridUtilities.RoundToNearestSquare(corner);
// Then convert back to the center position.
Vector3 center = new Vector3(
corner.x + currentObject.transform.localScale.x / 2,
corner.y,
corner.z + currentObject.transform.localScale.z / 2
);
currentObject.transform.position = center;
currentObject.GetComponent <MeshRenderer>().material = boxLegal ? legalPlan : illegalPlan;
}
}
}
private void LateUpdate()
{
// If the central grid squares are not, at minimum, minPixels in diameter, turn off the grid and be done.
if (PixelSize.GetPixelSize(8, transform) < minPixels)
{
render.enabled = false;
return;
}
// Otherwise, turn it on.
render.enabled = true;
// Find the center point where the camera is looking
RaycastHit hit;
Physics.Raycast(Camera.main.transform.position, Camera.main.transform.forward, out hit);
Vector3 center = hit.point;
// Round to the nearest 8 meter grid square and fix the Y height to one.
center = GridUtilities.RoundToNearestSquare(center, 1);
// Place the center of the grid at the center point.
transform.position = center;
}
