bool DetectCollision(VectorLine self, VectorLine other)
{
float[] constants = VectorLine.GetIntersectConstants(self, other);
if (constants[0] < 0 || constants[1] < 0) //both have to be positive for eminent collision
{
return false;
}
float collision_threshold = 0.5f; //give and take 0.5s
Vector3 collision_pt = VectorLine.GetIntersectionPoint(self, other);
//calculate time it takes for self
float self_disp = Mathf.Pow((collision_pt - self.GetPoint()).sqrMagnitude, 0.5f);
float self_time = self_disp / self.GetSpeed();
//calculate time it takes for other
float other_disp = Mathf.Pow((collision_pt - other.GetPoint()).sqrMagnitude, 0.5f);
float other_time = other_disp / other.GetSpeed();
float time_diff = Mathf.Abs(self_time - other_time);
Debug.Log("self time: " + self_time + "other time: " + other_time);
Debug.Log("time diff: " + time_diff);
return time_diff <= collision_threshold; //collision detected if they collide within 0.5s of each other
}