void FixedUpdate()
{
if (moving && gunBallSpawned)
{
if (initial)
{
initial = false;
if (xDifference == 0)
{
//rotates the cannon by the calculated angle
boat.transform.rotation = Quaternion.Euler(-angle, 0, 0);
}
else
{
//gamma/alpha rotation of the cannon
boat.transform.rotation = Quaternion.Euler(-angle, PhysicsCalculator.toDegrees(gamma), 0);
}
}
angle = PhysicsCalculator.calculateTheta(range, gunBallVelocity) * 180 / Mathf.PI;
newVx = PhysicsCalculator.calculateXVelocityWithWind(fixedTime, tau, oldVx, windCoefficient, windVelocity, gamma, dragCoefficient);
newVy = PhysicsCalculator.calculateYVelocityWithWind(dragCoefficient, fixedTime, projMass, oldVy);
newVz = PhysicsCalculator.calculateZVelocityWithWind(fixedTime, tau, oldVz, windCoefficient, windVelocity, gamma, dragCoefficient);
newDx = PhysicsCalculator.calculateXPositionWithWind(currentDx, oldVx, tau, fixedTime, windCoefficient, windVelocity, dragCoefficient, gamma);
newDy = PhysicsCalculator.calculateYPositionWithWind(currentDy, oldVy, tau, fixedTime);
newDz = PhysicsCalculator.calculateZPositionWithWind(oldDz, oldVz, tau, fixedTime, windVelocity, gamma, windCoefficient, dragCoefficient);
if (gunball.transform.position.y <= 0.05 && numUpdates > 0)
{
moving = false;
timeText.text = "Time: " + ((numUpdates + 1) * fixedTime) + " seconds";
}
else
{
if (xDifference == 0)
{
if (target.transform.position.z > boat.transform.position.z)
{
gunball.transform.Translate(gunball.transform.position.x, newVy * fixedTime, newVx * fixedTime);
}
else
{
gunball.transform.Translate(gunball.transform.position.x, newVy * fixedTime, -newVx * fixedTime);
}
}
else
{
//handles any quadrant case
if (target.transform.position.x < boat.transform.position.x && target.transform.position.z < boat.transform.position.z)
{
gunball.transform.Translate(-newVx * fixedTime, newVy * fixedTime, -newVz * fixedTime);
}
else if (target.transform.position.x < boat.transform.position.x)
{
gunball.transform.Translate(-newVx * fixedTime, newVy * fixedTime, newVz * fixedTime);
}
else if (target.transform.position.z < boat.transform.position.z)
{
gunball.transform.Translate(newVx * fixedTime, newVy * fixedTime, -newVz * fixedTime);
}
else
{
gunball.transform.Translate(newVx * fixedTime, newVy * fixedTime, newVz * fixedTime);
}
}
if (lastMarker + buffer < numUpdates)
{
lastMarker = numUpdates;
Object.Instantiate(flightMarker, new Vector3(gunball.transform.position.x, gunball.transform.position.y + yDisplacement, gunball.transform.position.z + zDisplacement), Quaternion.identity);
}
}
}
if (moving && gunBallSpawned)
{
numUpdates++;
//update UI
posText.text = "Position: " + gunball.transform.position.x + ", " + gunball.transform.position.y + ", " + gunball.transform.position.z;
timeText.text = "Time: " + ((numUpdates + 1) * fixedTime) + " seconds";
updatesText.text = "Updates: " + (numUpdates + 1) + " frames";
oldVx = newVx;
oldVy = newVy;
oldVz = newVz;
currentDx = newDx;
currentDy = newDy;
oldDz = newDz;
}
}