public bool CrossObstacle(Vector2 p1, Vector2 p2)
{
// Add a small threshold to the Rect
float threshold = 0.2f;
// Ray's direction is normalized...
Vector2 dist = p2 - p1;
float maxDist = dist.magnitude;
Ray2D ray = new Ray2D(p1, dist);
Rect obst = new Rect();
foreach (int i in obstacles)
{
/// Set obstacle
obst.x = (i % imageSize.width) - threshold;
obst.y = (i / imageSize.width) - threshold;
obst.size = Vector2.one * (1 + threshold * 2);
// Set line
if (ray.Intersect(obst, maxDist))
{
return(true);
}
}
return(false);
}