void FixedUpdate()
{
float distanceFromStart = Vector3.Distance(transform.position, startPosition);
if (!gameObject.activeInHierarchy)
{
return;
}
flightTimeElapsed += TimeWarp.fixedDeltaTime; //calculate flight time for drag purposes
if (bulletDrop && FlightGlobals.RefFrameIsRotating)
{
currentVelocity += FlightGlobals.getGeeForceAtPosition(transform.position) * TimeWarp.fixedDeltaTime;
}
if (dragType == BulletDragTypes.NumericalIntegration)
{
Vector3 dragAcc = currentVelocity * currentVelocity.magnitude *
(float)
FlightGlobals.getAtmDensity(FlightGlobals.getStaticPressure(transform.position),
FlightGlobals.getExternalTemperature(transform.position));
dragAcc *= 0.5f;
dragAcc /= ballisticCoefficient;
currentVelocity -= dragAcc * TimeWarp.fixedDeltaTime;
//numerical integration; using Euler is silly, but let's go with it anyway
}
if (tracerLength == 0)
{
bulletTrail.SetPosition(0,
transform.position +
(currentVelocity * tracerDeltaFactor * TimeWarp.fixedDeltaTime / TimeWarp.CurrentRate) -
(FlightGlobals.ActiveVessel.srf_velocity * TimeWarp.fixedDeltaTime));
}
else
{
bulletTrail.SetPosition(0,
transform.position + ((currentVelocity - sourceOriginalV).normalized * tracerLength));
}
if (fadeColor)
{
FadeColor();
bulletTrail.material.SetColor("_TintColor", currentColor * tracerLuminance);
}
bulletTrail.SetPosition(1, transform.position);
currPosition = gameObject.transform.position;
if (distanceFromStart > maxDistance)
{
//GameObject.Destroy(gameObject);
KillBullet();
return;
}
if (collisionEnabled)
{
float dist = initialSpeed * TimeWarp.fixedDeltaTime;
Ray ray = new Ray(prevPosition, currPosition - prevPosition);
RaycastHit hit;
if (Physics.Raycast(ray, out hit, dist, 557057))
{
bool penetrated = true;
Part hitPart = null; //determine when bullet collides with a target
try
{
hitPart = hit.collider.gameObject.GetComponentInParent <Part>();
}
catch (NullReferenceException)
{
}
var armor = BDArmor.GetArmor(hit.collider, hitPart);
var armorData = new ArmorPenetration.BulletPenetrationData(ray, hit);
ArmorPenetration.DoPenetrationRay(armorData, bullet.positiveCoefficient);
var penetration = bullet.penetration.Evaluate(distanceFromStart) / 1000;
var fulllyPenetrated = penetration * leftPenetration >
((armor == null) ? 1f : armor.EquivalentThickness) * armorData.armorThickness;
var finalDirect = Vector3.Lerp(ray.direction, -hit.normal, bullet.positiveCoefficient);
if (fulllyPenetrated)
{
currentVelocity = finalDirect * currentVelocity.magnitude * leftPenetration;
}
else
{
currPosition = hit.point;
bulletTrail.SetPosition(1, currPosition);
}
float hitAngle = Vector3.Angle(currentVelocity, -hit.normal);
if (bulletType != PooledBulletTypes.Explosive) //dont do bullet damage if it is explosive
{
float impactVelocity = currentVelocity.magnitude;
if (dragType == BulletDragTypes.AnalyticEstimate)
{
float analyticDragVelAdjustment =
(float)
FlightGlobals.getAtmDensity(FlightGlobals.getStaticPressure(currPosition),
FlightGlobals.getExternalTemperature(currPosition));
analyticDragVelAdjustment *= flightTimeElapsed * initialSpeed;
analyticDragVelAdjustment += 2 * ballisticCoefficient;
analyticDragVelAdjustment = 2 * ballisticCoefficient * initialSpeed / analyticDragVelAdjustment;
//velocity as a function of time under the assumption of a projectile only acted upon by drag with a constant drag area
analyticDragVelAdjustment = analyticDragVelAdjustment - initialSpeed;
//since the above was velocity as a function of time, but we need a difference in drag, subtract the initial velocity
//the above number should be negative...
impactVelocity += analyticDragVelAdjustment; //so add it to the impact velocity
if (impactVelocity < 0)
{
impactVelocity = 0;
//clamp the velocity to > 0, since it could drop below 0 if the bullet is fired upwards
}
//Debug.Log("flight time: " + flightTimeElapsed + " BC: " + ballisticCoefficient + "\ninit speed: " + initialSpeed + " vel diff: " + analyticDragVelAdjustment);
}
//hitting a vessel Part
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////[panzer1b] HEAT BASED DAMAGE CODE START//////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
if (hitPart != null) //see if it will ricochet of the part
{
penetrated = !RicochetOnPart(hitPart, hitAngle, impactVelocity);
}
else //see if it will ricochet off scenery
{
float reflectRandom = UnityEngine.Random.Range(-75f, 90f);
if (reflectRandom > 90 - hitAngle)
{
penetrated = false;
}
}
if (hitPart != null && !hitPart.partInfo.name.Contains("Strut"))
//when a part is hit, execute damage code (ignores struts to keep those from being abused as armor)(no, because they caused weird bugs :) -BahamutoD)
{
float heatDamage = (mass / (hitPart.crashTolerance * hitPart.mass)) * impactVelocity *
impactVelocity * BDArmorySettings.DMG_MULTIPLIER *
bulletDmgMult
;
//how much heat damage will be applied based on bullet mass, velocity, and part's impact tolerance and mass
if (!penetrated)
{
heatDamage = heatDamage / 8;
}
if (fulllyPenetrated)
{
heatDamage /= 8;
}
if (BDArmorySettings.INSTAKILL)
//instakill support, will be removed once mod becomes officially MP
{
heatDamage = (float)hitPart.maxTemp + 100;
//make heat damage equal to the part's max temperture, effectively instakilling any part it hits
}
if (BDArmorySettings.DRAW_DEBUG_LABELS)
{
Debug.Log("[BDArmory]: Hit! damage applied: " + heatDamage); //debugging stuff
}
if (hitPart.vessel != sourceVessel)
{
hitPart.temperature += heatDamage; //apply heat damage to the hit part.
}
float overKillHeatDamage = (float)(hitPart.temperature - hitPart.maxTemp);
if (overKillHeatDamage > 0)
//if the part is destroyed by overheating, we want to add the remaining heat to attached parts. This prevents using tiny parts as armor
{
overKillHeatDamage *= hitPart.crashTolerance; //reset to raw damage
float numConnectedParts = hitPart.children.Count;
if (hitPart.parent != null)
{
numConnectedParts++;
overKillHeatDamage /= numConnectedParts;
hitPart.parent.temperature += overKillHeatDamage /
(hitPart.parent.crashTolerance * hitPart.parent.mass);
for (int i = 0; i < hitPart.children.Count; i++)
{
hitPart.children[i].temperature += overKillHeatDamage /
hitPart.children[i].crashTolerance;
}
}
else
{
overKillHeatDamage /= numConnectedParts;
for (int i = 0; i < hitPart.children.Count; i++)
{
hitPart.children[i].temperature += overKillHeatDamage /
hitPart.children[i].crashTolerance;
}
}
}
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////[panzer1b] HEAT BASED DAMAGE CODE END////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//hitting a Building
DestructibleBuilding hitBuilding = null;
try
{
hitBuilding = hit.collider.gameObject.GetComponentUpwards <DestructibleBuilding>();
}
catch (NullReferenceException)
{
}
if (hitBuilding != null && hitBuilding.IsIntact)
{
float damageToBuilding = mass * initialSpeed * initialSpeed * BDArmorySettings.DMG_MULTIPLIER /
12000;
if (!penetrated)
{
damageToBuilding = damageToBuilding / 8;
}
hitBuilding.AddDamage(damageToBuilding);
if (hitBuilding.Damage > hitBuilding.impactMomentumThreshold)
{
hitBuilding.Demolish();
}
if (BDArmorySettings.DRAW_DEBUG_LABELS)
{
Debug.Log("[BDArmory]: bullet hit destructible building! Damage: " +
(damageToBuilding).ToString("0.00") + ", total Damage: " + hitBuilding.Damage);
}
}
}
if (hitPart == null || (hitPart != null && hitPart.vessel != sourceVessel))
{
if (!penetrated && !hasBounced && !fulllyPenetrated)
{
//ricochet
hasBounced = true;
if (BDArmorySettings.BULLET_HITS)
{
BulletHitFX.CreateBulletHit(hit.point, hit.normal, true);
}
tracerStartWidth /= 2;
tracerEndWidth /= 2;
transform.position = hit.point;
currentVelocity = Vector3.Reflect(currentVelocity, hit.normal);
currentVelocity = (hitAngle / 150) * currentVelocity * 0.65f;
Vector3 randomDirection = UnityEngine.Random.rotation * Vector3.one;
currentVelocity = Vector3.RotateTowards(currentVelocity, randomDirection,
UnityEngine.Random.Range(0f, 5f) * Mathf.Deg2Rad, 0);
}
else
{
if (bulletType == PooledBulletTypes.Explosive)
{
ExplosionFX.CreateExplosion(hit.point - (ray.direction * 0.1f), radius, blastPower,
blastHeat, sourceVessel, currentVelocity.normalized, explModelPath, explSoundPath);
}
else if (BDArmorySettings.BULLET_HITS)
{
BulletHitFX.CreateBulletHit(hit.point, hit.normal, false);
}
if (armor != null &&
(penetration * leftPenetration > armor.outerArmorThickness / 1000 * armor.EquivalentThickness ||
fulllyPenetrated))
{
switch (armor.explodeMode)
{
case BDArmor.ExplodeMode.Always:
armor.CreateExplosion(hitPart);
break;
case BDArmor.ExplodeMode.Dynamic:
var probability = CalculateExplosionProbability(hitPart);
if (probability > 0.1f)
{
armor.CreateExplosion(hitPart);
}
break;
case BDArmor.ExplodeMode.Never:
break;
}
}
if (fulllyPenetrated)
{
leftPenetration -= armorData.armorThickness / penetration;
transform.position = armorData.hitResultOut.point;
flightTimeElapsed -= Time.fixedDeltaTime;
prevPosition = transform.position;
FixedUpdate();
return;
}
else
{
KillBullet();
return;
}
}
}
}
/*
* if(isUnderwater)
* {
* if(FlightGlobals.getAltitudeAtPos(transform.position) > 0)
* {
* isUnderwater = false;
* }
* else
* {
* rigidbody.AddForce(-rigidbody.velocity * 0.15f);
* }
* }
* else
* {
* if(FlightGlobals.getAltitudeAtPos(transform.position) < 0)
* {
* isUnderwater = true;
* //FXMonger.Splash(transform.position, 1);
* //make a custom splash here
* }
* }
*/
}
if (bulletType == PooledBulletTypes.Explosive && airDetonation && distanceFromStart > detonationRange)
{
//detonate
ExplosionFX.CreateExplosion(transform.position, radius, blastPower, blastHeat, sourceVessel,
currentVelocity.normalized, explModelPath, explSoundPath);
//GameObject.Destroy(gameObject); //destroy bullet on collision
KillBullet();
return;
}
prevPosition = currPosition;
//move bullet
transform.position += currentVelocity * Time.fixedDeltaTime;
}
void FixedUpdate()
{
float distanceFromStart = Vector3.Distance(transform.position, startPosition);
if (!gameObject.activeInHierarchy)
{
return;
}
flightTimeElapsed += TimeWarp.fixedDeltaTime; //calculate flight time for drag purposes
if (bulletDrop && FlightGlobals.RefFrameIsRotating)
{
currentVelocity += FlightGlobals.getGeeForceAtPosition(transform.position) * TimeWarp.fixedDeltaTime;
}
if (dragType == BulletDragTypes.NumericalIntegration)
{
Vector3 dragAcc = currentVelocity * currentVelocity.magnitude * (float)FlightGlobals.getAtmDensity(FlightGlobals.getStaticPressure(transform.position), FlightGlobals.getExternalTemperature(transform.position));
dragAcc *= 0.5f;
dragAcc /= ballisticCoefficient;
currentVelocity -= dragAcc * TimeWarp.fixedDeltaTime; //numerical integration; using Euler is silly, but let's go with it anyway
}
if (tracerLength == 0)
{
bulletTrail.SetPosition(0, transform.position + (currentVelocity * tracerDeltaFactor * TimeWarp.fixedDeltaTime / TimeWarp.CurrentRate) - (FlightGlobals.ActiveVessel.rb_velocity * TimeWarp.fixedDeltaTime));
}
else
{
bulletTrail.SetPosition(0, transform.position + ((currentVelocity - sourceOriginalV).normalized * tracerLength));
}
if (fadeColor)
{
FadeColor();
bulletTrail.material.SetColor("_TintColor", currentColor * tracerLuminance);
}
bulletTrail.SetPosition(1, transform.position);
currPosition = gameObject.transform.position;
if (distanceFromStart > maxDistance)
{
//GameObject.Destroy(gameObject);
KillBullet();
return;
}
if (collisionEnabled)
{
float dist = initialSpeed * TimeWarp.fixedDeltaTime;
Ray ray = new Ray(prevPosition, currPosition - prevPosition);
RaycastHit hit;
if (Physics.Raycast(ray, out hit, dist, 557057))
{
bool penetrated = true;
Part hitPart = null; //determine when bullet collides with a target
try
{
hitPart = Part.FromGO(hit.rigidbody.gameObject);
}
catch (NullReferenceException)
{
}
var armor = BDArmor.GetArmor(hit.collider, hitPart);
var armorData = new ArmorPenetration.BulletPenetrationData(ray, hit);
ArmorPenetration.DoPenetrationRay(armorData,bullet.positiveCoefficient);
var penetration = bullet.penetration.Evaluate(distanceFromStart) / 1000;
var fulllyPenetrated = penetration * leftPenetration > ((armor == null) ? 1f : armor.EquivalentThickness) * armorData.armorThickness;
var finalDirect = Vector3.Lerp(ray.direction, -hit.normal, bullet.positiveCoefficient);
if (fulllyPenetrated)
{
currentVelocity = finalDirect * currentVelocity.magnitude * leftPenetration;
}
else
{
currPosition = hit.point;
bulletTrail.SetPosition(1, currPosition);
}
float hitAngle = Vector3.Angle(currentVelocity, -hit.normal);
if (bulletType != PooledBulletTypes.Explosive) //dont do bullet damage if it is explosive
{
float impactVelocity = currentVelocity.magnitude;
if (dragType == BulletDragTypes.AnalyticEstimate)
{
float analyticDragVelAdjustment = (float)FlightGlobals.getAtmDensity(FlightGlobals.getStaticPressure(currPosition), FlightGlobals.getExternalTemperature(currPosition));
analyticDragVelAdjustment *= flightTimeElapsed * initialSpeed;
analyticDragVelAdjustment += 2 * ballisticCoefficient;
analyticDragVelAdjustment = 2 * ballisticCoefficient * initialSpeed / analyticDragVelAdjustment; //velocity as a function of time under the assumption of a projectile only acted upon by drag with a constant drag area
analyticDragVelAdjustment = analyticDragVelAdjustment - initialSpeed; //since the above was velocity as a function of time, but we need a difference in drag, subtract the initial velocity
//the above number should be negative...
impactVelocity += analyticDragVelAdjustment; //so add it to the impact velocity
if (impactVelocity < 0)
{
impactVelocity = 0; //clamp the velocity to > 0, since it could drop below 0 if the bullet is fired upwards
}
//Debug.Log("flight time: " + flightTimeElapsed + " BC: " + ballisticCoefficient + "\ninit speed: " + initialSpeed + " vel diff: " + analyticDragVelAdjustment);
}
//hitting a vessel Part
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////[panzer1b] HEAT BASED DAMAGE CODE START//////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
if (hitPart != null) //see if it will ricochet of the part
{
penetrated = !RicochetOnPart(hitPart, hitAngle, impactVelocity);
}
else //see if it will ricochet off scenery
{
float reflectRandom = UnityEngine.Random.Range(-150f, 90f);
if (reflectRandom > 90 - hitAngle)
{
penetrated = false;
}
}
if (hitPart != null && !hitPart.partInfo.name.Contains("Strut")) //when a part is hit, execute damage code (ignores struts to keep those from being abused as armor)(no, because they caused weird bugs :) -BahamutoD)
{
float heatDamage = (mass / (hitPart.crashTolerance * hitPart.mass)) * impactVelocity * impactVelocity * BDArmorySettings.DMG_MULTIPLIER; //how much heat damage will be applied based on bullet mass, velocity, and part's impact tolerance and mass
if (!penetrated)
{
heatDamage = heatDamage / 8;
}
if (fulllyPenetrated)
{
heatDamage /= 8;
}
if (BDArmorySettings.INSTAKILL) //instakill support, will be removed once mod becomes officially MP
{
heatDamage = (float)hitPart.maxTemp + 100; //make heat damage equal to the part's max temperture, effectively instakilling any part it hits
}
if (BDArmorySettings.DRAW_DEBUG_LABELS) Debug.Log("Hit! damage applied: " + heatDamage); //debugging stuff
if (hitPart.vessel != sourceVessel) hitPart.temperature += heatDamage; //apply heat damage to the hit part.
float overKillHeatDamage = (float)(hitPart.temperature - hitPart.maxTemp);
if (overKillHeatDamage > 0) //if the part is destroyed by overheating, we want to add the remaining heat to attached parts. This prevents using tiny parts as armor
{
overKillHeatDamage *= hitPart.crashTolerance; //reset to raw damage
float numConnectedParts = hitPart.children.Count;
if (hitPart.parent != null)
{
numConnectedParts++;
overKillHeatDamage /= numConnectedParts;
hitPart.parent.temperature += overKillHeatDamage / (hitPart.parent.crashTolerance * hitPart.parent.mass);
for (int i = 0; i < hitPart.children.Count; i++)
{
hitPart.children[i].temperature += overKillHeatDamage / hitPart.children[i].crashTolerance;
}
}
else
{
overKillHeatDamage /= numConnectedParts;
for (int i = 0; i < hitPart.children.Count; i++)
{
hitPart.children[i].temperature += overKillHeatDamage / hitPart.children[i].crashTolerance;
}
}
}
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////[panzer1b] HEAT BASED DAMAGE CODE END////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//hitting a Building
DestructibleBuilding hitBuilding = null;
try
{
hitBuilding = hit.collider.gameObject.GetComponentUpwards<DestructibleBuilding>();
}
catch (NullReferenceException)
{
}
if (hitBuilding != null && hitBuilding.IsIntact)
{
float damageToBuilding = mass * initialSpeed * initialSpeed * BDArmorySettings.DMG_MULTIPLIER / 12000;
if (!penetrated)
{
damageToBuilding = damageToBuilding / 8;
}
hitBuilding.AddDamage(damageToBuilding);
if (hitBuilding.Damage > hitBuilding.impactMomentumThreshold)
{
hitBuilding.Demolish();
}
if (BDArmorySettings.DRAW_DEBUG_LINES) Debug.Log("bullet hit destructible building! Damage: " + (damageToBuilding).ToString("0.00") + ", total Damage: " + hitBuilding.Damage);
}
}
if (hitPart == null || (hitPart != null && hitPart.vessel != sourceVessel))
{
if (!penetrated && !hasBounced && !fulllyPenetrated)
{
//ricochet
hasBounced = true;
if (BDArmorySettings.BULLET_HITS)
{
BulletHitFX.CreateBulletHit(hit.point, hit.normal, true);
}
tracerStartWidth /= 2;
tracerEndWidth /= 2;
transform.position = hit.point;
currentVelocity = Vector3.Reflect(currentVelocity, hit.normal);
currentVelocity = (hitAngle / 150) * currentVelocity * 0.65f;
Vector3 randomDirection = UnityEngine.Random.rotation * Vector3.one;
currentVelocity = Vector3.RotateTowards(currentVelocity, randomDirection, UnityEngine.Random.Range(0f, 5f) * Mathf.Deg2Rad, 0);
}
else
{
if (bulletType == PooledBulletTypes.Explosive)
{
ExplosionFX.CreateExplosion(hit.point - (ray.direction * 0.1f), radius, blastPower, blastHeat, sourceVessel, currentVelocity.normalized, explModelPath, explSoundPath);
}
else if (BDArmorySettings.BULLET_HITS)
{
BulletHitFX.CreateBulletHit(hit.point, hit.normal, false);
}
if (armor != null && (penetration * leftPenetration > armor.outerArmorThickness / 1000 * armor.EquivalentThickness || fulllyPenetrated))
{
switch (armor.explodeMode)
{
case BDArmor.ExplodeMode.Always:
armor.CreateExplosion(hitPart);
break;
case BDArmor.ExplodeMode.Dynamic:
var probability = CalculateExplosionProbability(hitPart);
if (probability > 0.1f)
armor.CreateExplosion(hitPart);
break;
case BDArmor.ExplodeMode.Never:
break;
}
}
if (fulllyPenetrated)
{
leftPenetration -= armorData.armorThickness / penetration;
transform.position = armorData.hitResultOut.point;
flightTimeElapsed -= Time.fixedDeltaTime;
prevPosition = transform.position;
FixedUpdate();
return;
}
else
{
KillBullet();
return;
}
}
}
}
/*
if(isUnderwater)
{
if(FlightGlobals.getAltitudeAtPos(transform.position) > 0)
{
isUnderwater = false;
}
else
{
rigidbody.AddForce(-rigidbody.velocity * 0.15f);
}
}
else
{
if(FlightGlobals.getAltitudeAtPos(transform.position) < 0)
{
isUnderwater = true;
//FXMonger.Splash(transform.position, 1);
//make a custom splash here
}
}
*/
}
if (bulletType == PooledBulletTypes.Explosive && airDetonation && distanceFromStart > detonationRange)
{
//detonate
ExplosionFX.CreateExplosion(transform.position, radius, blastPower, blastHeat, sourceVessel, currentVelocity.normalized, explModelPath, explSoundPath);
//GameObject.Destroy(gameObject); //destroy bullet on collision
KillBullet();
return;
}
prevPosition = currPosition;
//move bullet
transform.position += currentVelocity * Time.fixedDeltaTime;
}