void FixedUpdate()
{
if (moving && gunBallSpawned)
{
if (initial)
{
initial = false;
timeBeg = Time.time;
//rotates the cannon by the calculated angle
boat.transform.rotation = Quaternion.Euler(-angle, 0, 0);
}
angle = PhysicsCalculator.calculateTheta(range, gunBallVelocity) * 180 / Mathf.PI;
newVx = PhysicsCalculator.calculateVelocity(oldVx, 0, fixedTime);
newVy = PhysicsCalculator.calculateVelocity(oldVy, ACCELERATION, fixedTime);
//update positions accordingly
newDx = PhysicsCalculator.calculateDistance(currentDx, 0, newVx, fixedTime);
newDy = PhysicsCalculator.calculateDistance(currentDy, ACCELERATION, newVy, fixedTime);
if (gunball.transform.position.y - target.transform.position.y <= 0.05 && numUpdates > 0)
{
moving = false;
timeText.text = "Time: " + totalTime + " seconds";
}
else
{
yDisplacement = newVy * fixedTime;
zDisplacement = newVx * fixedTime;
gunball.transform.position = new Vector3(gunball.transform.position.x, gunball.transform.position.y + yDisplacement, gunball.transform.position.z + zDisplacement);
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)
{
//update UI
initialVelText.text = "Init. Velocity: " + gunBallVelocity + " m/s";
rangeText.text = "Range: " + range + " m";
timeText.text = "Time: " + (Time.time - timeBeg) + " seconds";
updatesText.text = "Updates: " + (numUpdates + 1) + " frames";
gunBallText.text = "Gunball Z: " + gunball.transform.position.z + " m";
numUpdates++;
oldVx = newVx;
oldVy = newVy;
currentDx = newDx;
currentDy = newDy;
}
}
// Use this for initialization
void Start()
{
numUpdates = 0;
currentD = 0;
oldV = velocity;
moving = true;
if (useDrag)
{
dragConstant = PhysicsCalculator.calculateDragConstant(acceleration, velocity);
}
distance = PhysicsCalculator.calculateDistance(0, acceleration, velocity, time);
dt = PhysicsCalculator.calculateDragTime(dragConstant, distance, velocity);
}
void FixedUpdate()
{
//calculate what frame it is
t = numUpdates * Time.deltaTime;
if (moving)
{
if (useDrag)
{
newD = PhysicsCalculator.calculateDistanceDrag(currentD, oldV, Time.fixedDeltaTime, dragConstant);
newV = PhysicsCalculator.calculateVelocityDrag(oldV, acceleration, Time.fixedDeltaTime, dragConstant);
if (t >= dt)
{
moving = false;
}
}
else
{
newD = PhysicsCalculator.calculateDistance(currentD, acceleration, oldV, Time.fixedDeltaTime);
newV = PhysicsCalculator.calculateVelocity(oldV, acceleration, Time.fixedDeltaTime);
if (t >= time)
{
moving = false;
}
}
timeText.text = "Time: " + t + " seconds";
frameText.text = "Frame: " + numUpdates + " frames";
velocityText.text = "Velocity: " + oldV + " m/s";
distanceText.text = "Distance: " + currentD + " m";
}
//need to recheck if moving before going to next frame.
//moving could be changed to false before it reaches here so need to recheck.
if (moving)
{
boat.transform.Translate(Vector3.forward * oldV * Time.deltaTime);
currentD = newD;
oldV = newV;
numUpdates++;
}
}
void FixedUpdate()
{
if (moving)
{
if (numUpdates == 100 && !dynamicControls)
{
moving = false;
}
//calculate the new distances and velocities
newDx = PhysicsCalculator.calculateDistance(oldDx, acceleration.x, oldVx, fixedTime);
newVx = PhysicsCalculator.calculateVelocity(oldVx, acceleration.x, fixedTime);
newDz = PhysicsCalculator.calculateDistance(oldDz, acceleration.z, oldVz, Time.fixedDeltaTime);
newVz = PhysicsCalculator.calculateVelocity(oldVz, acceleration.z, Time.fixedDeltaTime);
if (rotLeft)
{
temp1 = accelerationL;
}
if (rotRight)
{
temp1 = accelerationR;
}
angularVelocity = oldAngularVelocity + (temp1 * fixedTime);
angularDisplacement += Mathf.Abs(angularVelocity * fixedTime);
distanceX += newVx * fixedTime;
distanceZ += newVz * fixedTime;
//------- LAB #7 Additions -------
tau = PhysicsCalculator.calculateTau(mass_com, dragCoefficient);
vMax = PhysicsCalculator.calculteTerminalVelocity(force, dragCoefficient);
newVz = PhysicsCalculator.calculateVelocityWithDrag(vMax, dragCoefficient, oldVz, fixedTime, mass_com);
newDz = PhysicsCalculator.calculatePositionWithDrag(oldDz, force, dragCoefficient, fixedTime, mass_com, oldVz);
accelerationWithDrag = PhysicsCalculator.calculateAccelerationWithDrag(force, dragCoefficient, oldVz, mass_com);
totalBoat.transform.Translate(newVx * fixedTime, 0, newVz * fixedTime);
}
if (moving)
{
numUpdates++;
//update UI
timeText.text = "Time: " + ((numUpdates) * fixedTime) + " seconds, " + (numUpdates) + " updates";
posText.text = "Velocity: " + newVz + "m/s";
angDText.text = "Acceleration " + accelerationWithDrag + " m/s^2";
disText.text = "Distance: " + newDz + " m";
oldDx = newDx;
oldVx = newVx;
oldDz = newDz;
oldVz = newVz;
oldAngularVelocity = angularVelocity;
}
else
{
v_final = oldVz;
}
}
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);
}
}
if (xDifference == 0)
{
angle = PhysicsCalculator.calculateTheta(range, gunBallVelocity) * 180 / Mathf.PI;
newVx = PhysicsCalculator.calculateVelocity(oldVx, 0, fixedTime);
newVy = PhysicsCalculator.calculateVelocity(oldVy, ACCELERATION, fixedTime);
//update positions accordingly
newDx = PhysicsCalculator.calculateDistance(currentDx, 0, newVx, fixedTime);
newDy = PhysicsCalculator.calculateDistance(currentDy, ACCELERATION, newVy, fixedTime);
if (gunball.transform.position.y - target.transform.position.y <= 0.05 && numUpdates > 0)
{
moving = false;
timeText.text = "Time: " + ((numUpdates + 1) * fixedTime) + " seconds";
}
else
{
yDisplacement = newVy * fixedTime;
zDisplacement = newVx * fixedTime;
if (target.transform.position.z < boat.transform.position.z)
{
gunball.transform.position = new Vector3(gunball.transform.position.x, gunball.transform.position.y + yDisplacement, gunball.transform.position.z - zDisplacement);
}
else
{
gunball.transform.position = new Vector3(gunball.transform.position.x, gunball.transform.position.y + yDisplacement, gunball.transform.position.z + zDisplacement);
}
// 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);
// }
}
}
else
{
if (gunball.transform.position.y - target.transform.position.y <= 0.05 && numUpdates > 0)
{
moving = false;
timeText.text = "Time: " + ((numUpdates + 1) * fixedTime) + " seconds";
}
else
{
//run lab 4
newVx = PhysicsCalculator.calculateVelocity(oldVx, 0, fixedTime);
newVy = PhysicsCalculator.calculateYVelocityGamma(oldVy, -ACCELERATION, fixedTime);
newVz = PhysicsCalculator.calculateVelocity(oldVz, 0, fixedTime);
newDx = PhysicsCalculator.calculateXPosition(currentDx, oldVx, angle, gamma, fixedTime);
newDy = PhysicsCalculator.calculateYPosition(currentDy, oldVy, -ACCELERATION, fixedTime);
newDz = PhysicsCalculator.calculateZPosition(oldDz, oldVz, angle, PhysicsCalculator.toDegrees(gamma), fixedTime);
if (target.transform.position.x < boat.transform.position.x && target.transform.position.z < boat.transform.position.z)
{
gunball.transform.position = new Vector3(gunball.transform.position.x - newVx * fixedTime, gunball.transform.position.y + newVy * fixedTime, gunball.transform.position.z - newVz * fixedTime);
}
else if (target.transform.position.x < boat.transform.position.x)
{
gunball.transform.position = new Vector3(gunball.transform.position.x - newVx * fixedTime, gunball.transform.position.y + newVy * fixedTime, gunball.transform.position.z + newVz * fixedTime);
}
else if (target.transform.position.z < boat.transform.position.z)
{
gunball.transform.position = new Vector3(gunball.transform.position.x + newVx * fixedTime, gunball.transform.position.y + newVy * fixedTime, gunball.transform.position.z - newVz * fixedTime);
}
else
{
gunball.transform.position = new Vector3(gunball.transform.position.x + newVx * fixedTime, gunball.transform.position.y + newVy * fixedTime, gunball.transform.position.z + newVz * fixedTime);
}
}
}
omegaF = PhysicsCalculator.calculateOmegaFinal(omegaI, alphaI, (numUpdates + 1) * fixedTime);
theta = PhysicsCalculator.calculateThetaFinal(omegaI, alphaI, (numUpdates + 1) * fixedTime);
angularDisplacement = PhysicsCalculator.calculateAngularDisplacement(theta, omegaF, alphaI, fixedTime);
totalAngleDisplacement += angularDisplacement;
//rotate the ball
gunball.transform.Rotate(new Vector3(-PhysicsCalculator.toDegrees(angularDisplacement), 0, 0));
}
if (moving && gunBallSpawned)
{
numUpdates++;
//update UI
gammaText.text = "Angular Velocity: " + omegaF;
angleText.text = "Acceleration: " + theta;
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;
}
}
void FixedUpdate()
{
if (moving)
{
if (Mathf.Abs(dinZ) - distanceZ <= 0.05)
{
moving = false;
}
if (angularDisplacement >= rD && rotRight)
{
moving = false;
}
if (angularDisplacement >= lD && rotLeft)
{
moving = false;
}
//calculate the new distances and velocities
newDx = PhysicsCalculator.calculateDistance(oldDx, acceleration.x, oldVx, fixedTime);
newVx = PhysicsCalculator.calculateVelocity(oldVx, acceleration.x, fixedTime);
newDz = PhysicsCalculator.calculateDistance(oldDz, acceleration.z, oldVz, Time.fixedDeltaTime);
newVz = PhysicsCalculator.calculateVelocity(oldVz, acceleration.z, Time.fixedDeltaTime);
if (rotLeft)
{
temp1 = accelerationL;
}
if (rotRight)
{
temp1 = accelerationR;
}
angularVelocity = oldAngularVelocity + (temp1 * fixedTime);
angularDisplacement += Mathf.Abs(angularVelocity * fixedTime);
float temp = Mathf.Rad2Deg * (angularVelocity * fixedTime);
//update the position of the boat
// totalBoat.transform.position = new Vector3(totalBoat.transform.position.x + newVx * fixedTime, totalBoat.transform.position.y, totalBoat.transform.position.z + newVz * fixedTime);
totalBoat.transform.Translate(newVx * fixedTime, 0, newVz * fixedTime);
totalBoat.transform.Rotate(0, temp, 0, Space.Self);
distanceX += newVx * fixedTime;
distanceZ += newVz * fixedTime;
}
if (moving)
{
numUpdates++;
//update UI
timeText.text = "Time: " + ((numUpdates) * fixedTime) + " seconds, " + (numUpdates) + " updates";
posText.text = "Position: " + distanceX + ", " + totalBoat.transform.position.y + ", " + distanceZ;
angDText.text = "Ang Displacement: " + angularDisplacement;
oldDx = newDx;
oldVx = newVx;
oldDz = newDz;
oldVz = newVz;
oldAngularVelocity = angularVelocity;
}
else
{
v_final = oldVz;
}
}