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C#-Quelltext

  public float CalculateAngle()
    {

        Transform exit = transform.FindChild("Exit");
        Transform muzzle = transform.FindChild("Muzzle");
        Vector3 pos = exit.position;
        target.y = pos.y;
        transform.LookAt(target);  
        Vector3 dist = target - pos;
        dist = exit.transform.InverseTransformDirection(dist);

        float x = dist.z;
        float y = dist.y;
        float v = 100; //speed
        float g = 9.8f;
        
        float v2 = v * v;
        float v4 = v2 * v2;
        float x2 = x * x;

        float theta = Mathf.Atan2(v2 - Mathf.Sqrt(v4 - g * (g * x2 + 2 * y * v2)), g * x);

        muzzle.transform.Rotate(new Vector3(-theta * Mathf.Rad2Deg, 0, 0));
        Debug.Log( "Range X = " + x + "  Range Y = " + y + "  theta = " + theta * Mathf.Rad2Deg);
        return theta;
    }

C#-Quelltext

    private void FireCannon()
    {

        Vector3 pos = transform.FindChild("Exit").position;
        float bulletSpeed = 1000;
        float dist = Vector3.Distance(pos, target);
        angle = CalculateAngle();

        float Vi = Mathf.Sqrt(dist * -Physics.gravity.y / (Mathf.Sin(Mathf.Deg2Rad * angle * 2)));
        float Vy, Vz;

        Vy = Vi * Mathf.Sin(Mathf.Deg2Rad * angle);
        Vz = Vi * Mathf.Cos(Mathf.Deg2Rad * angle);

        Vector3 localVelocity = new Vector3(0f, Vy, Vz);
        Vector3 globalVelocity = transform.TransformVector(localVelocity);

        Rigidbody clone = Instantiate(projektil, pos, transform.rotation) as Rigidbody;
        clone.AddForce(globalVelocity * bulletSpeed);        
        canFire = false;    
    }

C#-Quelltext

Mathf.Atan2(v2 - Mathf.Sqrt(v4 - g * (g * x2 + 2 * y * v2)), g * x);

C#-Quelltext

void getAngle()
    {
        float dist = Vector3.Distance(exit.position, target.transform.position);
        angle = (Mathf.Asin((gravitation * dist) / (velocity * velocity))) / 2;
    }

    private void FireCannon()
    {
        getAngle();
        transform.LookAt(target.transform.position);
        Vector3 direction = new Vector3(0, Mathf.Sin(angle), Mathf.Cos(angle));
        Rigidbody clone = Instantiate(projektil, exit.transform.position, transform.rotation) as Rigidbody;
        clone.AddForce(direction  * velocity);
        canFire = false;
    }