// Could probably be better.
// Alternatively could have used a particle system but I think that would have overcomplicated things not being able to use GameObjects as particles.
// In the editor it gets the vector points of the editor camera rather than the game camera for some seriously strange reason I cannot fathom.
// Works absolutely as expected when built.
public static Vector2 GetRandomVectorOutsideCamera(AXIS_BIAS bias, Camera camera)
{
float chanceX = Random.Range(0, 100);
float chanceY = Random.Range(0, 100);
// We only randomise the vector between 25 and 75 to ensure they result in off-screen coords
// i.e.25 +- 1 = offscreen. 0 +- 1 = potentially on-screen.
Vector2 coords = new Vector2(Random.Range(25, 75f) / 100f, Random.Range(25, 75f) / 100f);
//Debug.Log("Old Coords: " + coords);
// A different way would be to detect which edge the random coord is closest to and move the difference.
// This'll do for for now.
if (chanceX < 50 && bias == AXIS_BIAS.HORIZONTAL)
coords.x -= 1;
else if (chanceY < 50 && bias == AXIS_BIAS.VERTICAL)
coords.y -= 1;
else if (chanceX < 100 && bias == AXIS_BIAS.HORIZONTAL)
coords.x += 1;
else if (chanceY < 100 && bias == AXIS_BIAS.VERTICAL)
coords.y += 1;
// Clamp the coordinates
coords.x = Mathf.Clamp(coords.x, -0.1f, 1.1f);
coords.y = Mathf.Clamp(coords.y, -0.1f, 1.1f);
//Debug.Log("New Coords: " + coords);
return camera.ViewportToWorldPoint(coords);
}
/// <summary>
/// Gets a random vector outside of the main camera. Option to choose axis bias.
/// </summary>
/// <param name="bias"></param>
/// <returns></returns>
public static Vector2 GetRandomVectorOutsideCamera(AXIS_BIAS bias)
{
return GetRandomVectorOutsideCamera(bias, Camera.main);
}
