// Update is called once per frame
void Update()
{
// Get the car velocity in local space
Vector2 localVel = transform.InverseTransformDirection(rb2d.velocity);
if (localVel.x > 0f)
{
// Do the box casts
bool front_hit = Physics2D.Raycast(
rb2d.position,
Quaternion.Euler(0, 0, rb2d.rotation) * Vector2.right,
LookAhead * localVel.x, 1 << 8).transform != null;
bool right_hit = Physics2D.Raycast(
rb2d.position,
Quaternion.Euler(0, 0, rb2d.rotation - DeltaAngle) * Vector2.right,
LookAhead * localVel.x, 1 << 8).transform != null;
bool left_hit = Physics2D.Raycast(
rb2d.position,
Quaternion.Euler(0, 0, rb2d.rotation + DeltaAngle) * Vector2.right,
LookAhead * localVel.x, 1 << 8).transform != null;
// If it hits, calculate how the passenger suggests you avoid it
if (front_hit || right_hit || left_hit)
{
// See if the left or the right side or the front was hit
if (right_hit == left_hit && front_hit)
{
// Frontal hit
passenger.BumperCall(Direction.Front, intensity);
}
else if (!left_hit && right_hit && front_hit)
{
// Right hit(Even if the front is hit, we should still call out a wall to the right)
passenger.BumperCall(Direction.Right, intensity);
}
else if (!right_hit && left_hit && front_hit)
{
// Left hit!
passenger.BumperCall(Direction.Left, intensity);
}
}
}
}