public void Reset()
{
failLaunch = false;
CanProcessNextStep = true;
sliderLockOut = false;
popup.Reset();
HideGizmoAndWidgets();
if (activeCoroutine != null)
{
StopCoroutine(activeCoroutine);
}
foreach (GameObject marker in markers)
{
Destroy(marker);
}
markers.Clear();
currentStep = LearningStep.NotStarted;
midAirStep = MidAirStep.Undefined;
foreach (ArrowIndicator arrow in vectorArrows)
{
Destroy(arrow.gameObject);
}
vectorArrows.Clear();
// Reset Camera view transform
mainCam.transform.position = catapult.startCamTransform.position;
mainCam.transform.rotation = catapult.startCamTransform.rotation;
catapult.Reset();
cannonBall.Reset();
cubeWall.Reset();
}
public IEnumerator DoProcessMidAirState_Energy()
{
Debug.Log("Show transfer of Elastic Potential Energy to Kinetic Energy that Launches the Cannon Ball and Observe Forces while in air");
if (failLaunch)
{
popup.Show();
yield break;
}
CanProcessNextStep = false;
sliderLockOut = true; // Lockout physics config sliders
midAirStep = MidAirStep.Launching;
energyWidget.Show();
// Show Kinetic Energy Info
float currentKineticEnergy = 0;
energyWidget.UpdateKineticEnergy(currentKineticEnergy);
// Show Draining of Elastic Potential Energy To Kinetic Energy (Kinetic Energy will equal the Elastic Potential Energy)
float kineticEnergy = Kinetic_Energy_At_Launch();
float elasticEnergy = Kinetic_Energy_At_Launch();
const float drainSpeed = 0.05f;
// Animate the depletion of Elastic Potential Energy and Gain of Kinetic Energy prior to Launch
while (!EEMath.Approximately(elasticEnergy, 0, 0.001f) || !EEMath.Approximately(currentKineticEnergy, kineticEnergy, 0.001f))
{
yield return(null);
elasticEnergy = Mathf.Lerp(elasticEnergy, 0, drainSpeed);
energyWidget.UpdateElasticEnergy(elasticEnergy);
currentKineticEnergy = Mathf.Lerp(currentKineticEnergy, kineticEnergy, drainSpeed);
energyWidget.UpdateKineticEnergy(currentKineticEnergy);
}
yield return(StartCoroutine(DoLerpCameraToTransform(catapult.step3CamTransform)));
float velocity = Velocity_At_Time_Of_Launch();
float ratio = ratio_Of_DEPE_Over_DGPE();
catapult.ThrowBall(catapult.launchVector.up, velocity);
while (!cannonBall.paused)
{
yield return(null);
Transform riseMarker = Utils.CreateMarker(null, 0.1f, Color.red);
riseMarker.position = cannonBall.transform.position;
markers.Add(riseMarker.gameObject);
// Catch when the ball has left max arc height
if (cannonBall.rigidBody.velocity.y < 0)
{
if (!cannonBall.maxHeightReached)
{
cannonBall.maxHeightReached = true;
Transform peakMarker = Utils.CreateMarker(null, 0.2f, Color.blue);
peakMarker.position = cannonBall.prevPosition;
markers.Add(peakMarker.gameObject);
cannonBall.PauseInAir();
yield return(StartCoroutine(DoLerpCameraToTransform(cannonBall.step4CamTransform)));
}
}
}
midAirStep = MidAirStep.Maxheight;
weightPoint = cannonBall.LeftWeightPoint;
resultPoint = catapult.springVector;
ArrowIndicator maxHeightVelocityArrow = Instantiate(arrowBasicFrontPivotPrefab).GetComponent <ArrowIndicator>();
maxHeightVelocityArrow.SetArrowTransform(cannonBall.PeakHightVelocityMarker);
maxHeightVelocityArrow.bobbing = true;
maxHeightVelocityArrow.Show();
vectorArrows.Add(maxHeightVelocityArrow);
maxHeightVelocityArrow.infoWidget.UpdateInfoWidget(null, (float)Math.Round(cannonBall.currentVelocity.magnitude, 2), "Velocity", true);
energyWidget.AttachToTransform(cannonBall.EnergyWidgetMarker_LeftOffset);
energyWidget.infoWidget.ToggleElasticInfo(false);
energyWidget.infoWidget.ToggleKineticInfo(false);
energyWidget.UpdateGravEnergy(cannonBall.Gravitational_Potential_Energy());
CanProcessNextStep = true;
yield return(new WaitUntil(() => { return (midAirStep == MidAirStep.SlopeDown); })); // wait for camera to complete lerping to Ball mid air position
CanProcessNextStep = false;
HideGizmoAndWidgets(); // Hide all force arrows in preperation for next view step
distanceGizmo.Show();
yield return(StartCoroutine(DoLerpCameraToTransform(cannonBall.step5CamTransform)));
cannonBall.Resume();
// Cannonball falling downward
while (!cannonBall.paused)
{
Transform downMarker = Utils.CreateMarker(null, 0.1f, Color.green);
downMarker.position = cannonBall.transform.position;
markers.Add(downMarker.gameObject);
yield return(null);
RaycastHit hitResult;
if (RaycastFromPos(cannonBall.transform.position, -cannonBall.transform.up, Mathf.Infinity, out hitResult, true))
{
float diff = cannonBall.transform.position.y - hitResult.point.y;
if (diff < DistanceFromGround_At_TimeOFLaunch)
{
cannonBall.PauseInAir();
}
}
}
yield return(StartCoroutine(DoLerpCameraToTransform(cannonBall.step4CamTransform)));
ArrowIndicator slopeDownVelocityArrow = Instantiate(arrowBasicBackPivotPrefab).GetComponent <ArrowIndicator>();
slopeDownVelocityArrow.bobbing = true;
vectorArrows.Add(slopeDownVelocityArrow);
OrientTransformToVector(ref cannonBall.ResultPoint_Centered, cannonBall.currentVelocity);
slopeDownVelocityArrow.SetArrowTransform(cannonBall.ResultPoint_Centered);
slopeDownVelocityArrow.Show();
slopeDownVelocityArrow.infoWidget.UpdateInfoWidget(null, (float)Math.Round(cannonBall.currentVelocity.magnitude, 2), "Velocity", true);
energyWidget.AttachToTransform(cannonBall.EnergyWidgetMarker_RightOffset);
energyWidget.infoWidget.ToggleElasticInfo(false);
energyWidget.UpdateGravEnergy(cannonBall.Gravitational_Potential_Energy());
energyWidget.Show();
CanProcessNextStep = true;
yield return(new WaitUntil(() => { return (midAirStep == MidAirStep.CompleteArc); })); // wait for camera to complete lerping to Ball mid air position
CanProcessNextStep = false;
HideGizmoAndWidgets();
distanceGizmo.Show();
yield return(StartCoroutine(DoLerpCameraToTransform(cannonBall.step5CamTransform))); // RE focus camera
cannonBall.Resume(); // resume cannon ball trajectory
// Draw the rest of the arc markers
while (!cannonBall.paused && cannonBall.inAir)
{
Transform downMarker = Utils.CreateMarker(null, 0.1f, Color.green);
downMarker.position = cannonBall.transform.position;
markers.Add(downMarker.gameObject);
yield return(null);
}
cannonBall.transform.rotation = Quaternion.identity;
midAirStep = MidAirStep.Undefined; // Mid air step is over;
// Freeze the ball's movement and rotation as soon as it makes contact with the ground;
cannonBall.transform.rotation = Quaternion.identity;
cannonBall.rigidBody.constraints = RigidbodyConstraints.FreezeAll;
// Cheat to make Cannonball touch ground
cannonBall.transform.position = new Vector3(cannonBall.transform.position.x, 0.425f, cannonBall.transform.position.z);
yield return(StartCoroutine(DoProcessStoppedState_Energy()));
activeCoroutine = null;
}
public IEnumerator DoProcessMidAirState_Forces()
{
sliderLockOut = true; // Ensure that we cannot manipulate physics attributes after launch
Debug.Log("Launch Cannon Ball and Observe Forces while in air");
if (failLaunch)
{
popup.Show();
yield break;
}
HideGizmoAndWidgets();
distanceGizmo.Show();
CanProcessNextStep = false;
midAirStep = MidAirStep.Launching;
yield return(StartCoroutine(DoLerpCameraToTransform(catapult.step3CamTransform)));
float velocity = Velocity_At_Time_Of_Launch();
float ratio = ratio_Of_DEPE_Over_DGPE();
catapult.ThrowBall(catapult.launchVector.up, velocity);
while (!cannonBall.paused)
{
yield return(null);
Transform riseMarker = Utils.CreateMarker(null, 0.1f, Color.red);
riseMarker.position = cannonBall.transform.position;
markers.Add(riseMarker.gameObject);
// Catch when the ball has left max arc height
if (cannonBall.rigidBody.velocity.y < 0)
{
if (!cannonBall.maxHeightReached)
{
cannonBall.maxHeightReached = true;
Transform peakMarker = Utils.CreateMarker(null, 0.2f, Color.blue);
peakMarker.position = cannonBall.prevPosition;
markers.Add(peakMarker.gameObject);
cannonBall.PauseInAir();
yield return(StartCoroutine(DoLerpCameraToTransform(cannonBall.step4CamTransform)));
}
}
}
//yield return new WaitUntil(() => { return !camLerping; }); // wait for camera to complete lerping to Ball mid air position
midAirStep = MidAirStep.Maxheight;
weightPoint = cannonBall.LeftWeightPoint;
resultPoint = catapult.springVector;
ArrowIndicator maxHeightVelocityArrow = Instantiate(arrowBasicFrontPivotPrefab).GetComponent <ArrowIndicator>();
maxHeightVelocityArrow.SetArrowTransform(cannonBall.PeakHightVelocityMarker);
maxHeightVelocityArrow.bobbing = true;
maxHeightVelocityArrow.Show();
vectorArrows.Add(maxHeightVelocityArrow);
maxHeightVelocityArrow.infoWidget.UpdateInfoWidget(null, (float)Math.Round(cannonBall.currentVelocity.magnitude, 2), "Velocity", true);
gravArrow.SetArrowTransform(cannonBall.CenterWeightPoint);
gravArrow.Show();
CanProcessNextStep = true;
yield return(new WaitUntil(() => { return (midAirStep == MidAirStep.SlopeDown); })); // wait for camera to complete lerping to Ball mid air position
CanProcessNextStep = false;
HideGizmoAndWidgets(); // Hide all force arrows in preperation for next view step
distanceGizmo.Show();
yield return(StartCoroutine(DoLerpCameraToTransform(cannonBall.step5CamTransform)));
cannonBall.Resume();
// Cannonball falling downward
while (!cannonBall.paused)
{
Transform downMarker = Utils.CreateMarker(null, 0.1f, Color.green);
downMarker.position = cannonBall.transform.position;
markers.Add(downMarker.gameObject);
yield return(null);
RaycastHit hitResult;
if (RaycastFromPos(cannonBall.transform.position, -cannonBall.transform.up, Mathf.Infinity, out hitResult, true))
{
float diff = cannonBall.transform.position.y - hitResult.point.y;
if (diff < DistanceFromGround_At_TimeOFLaunch)
{
cannonBall.PauseInAir();
}
}
}
yield return(StartCoroutine(DoLerpCameraToTransform(cannonBall.step4CamTransform)));
gravArrow.SetArrowTransform(cannonBall.CenterWeightPoint);
gravArrow.Show();
ArrowIndicator slopeDownVelocityArrow = Instantiate(arrowBasicBackPivotPrefab).GetComponent <ArrowIndicator>();
slopeDownVelocityArrow.bobbing = true;
vectorArrows.Add(slopeDownVelocityArrow);
OrientTransformToVector(ref cannonBall.ResultPoint_Centered, cannonBall.currentVelocity);
slopeDownVelocityArrow.SetArrowTransform(cannonBall.ResultPoint_Centered);
slopeDownVelocityArrow.Show();
slopeDownVelocityArrow.infoWidget.UpdateInfoWidget(null, (float)Math.Round(cannonBall.currentVelocity.magnitude, 2), "Velocity", true);
CanProcessNextStep = true;
yield return(new WaitUntil(() => { return (midAirStep == MidAirStep.CompleteArc); })); // wait for camera to complete lerping to Ball mid air position
CanProcessNextStep = false;
HideGizmoAndWidgets();
distanceGizmo.Show();
yield return(StartCoroutine(DoLerpCameraToTransform(cannonBall.step5CamTransform))); // RE focus camera
cannonBall.Resume(); // resume cannon ball trajectory
// Draw the rest of the arc markers
while (!cannonBall.paused && cannonBall.inAir)
{
Transform downMarker = Utils.CreateMarker(null, 0.1f, Color.green);
downMarker.position = cannonBall.transform.position;
markers.Add(downMarker.gameObject);
yield return(null);
}
yield return(new WaitUntil(() => { return (cannonBall.rigidBody.velocity == Vector3.zero); })); // wait for camera to complete lerping to Ball mid air position
CanProcessNextStep = true;
cannonBall.transform.rotation = Quaternion.identity;
midAirStep = MidAirStep.Undefined; // Mid air step is over;
activeCoroutine = null;
}