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When a submarine collides with something, impacts are also applied to docked subs

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This commit is contained in:
Joonas Rikkonen
2017-07-16 16:48:59 +03:00
parent d5aa1d8b97
commit 50fc576840
1 changed files with 30 additions and 13 deletions
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Barotrauma/BarotraumaShared/Source/Map/SubmarineBody.cs
+30 -13
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@@ -369,7 +369,7 @@ namespace Barotrauma
public bool OnCollision(Fixture f1, Fixture f2, Contact contact) public bool OnCollision(Fixture f1, Fixture f2, Contact contact)
{ {
Limb limb = f2.Body.UserData as Limb; Limb limb = f2.Body.UserData as Limb;
if (limb!= null) if (limb != null)
{ {
bool collision = HandleLimbCollision(contact, limb); bool collision = HandleLimbCollision(contact, limb);
@@ -378,9 +378,13 @@ namespace Barotrauma
{ {
Vector2 normal = Vector2.Normalize(Body.SimPosition - limb.SimPosition); Vector2 normal = Vector2.Normalize(Body.SimPosition - limb.SimPosition);
float impact = Math.Min(Vector2.Dot(Velocity - limb.LinearVelocity, -normal), 50.0f) / 5.0f; float impact = Math.Min(Vector2.Dot(Velocity - limb.LinearVelocity, -normal), 50.0f) / 5.0f * Math.Min(limb.Mass / 200.0f, 1);
ApplyImpact(impact * Math.Min(limb.Mass / 200.0f, 1), -normal, contact); ApplyImpact(impact, -normal, contact);
foreach (Submarine dockedSub in submarine.DockedTo)
{
dockedSub.SubBody.ApplyImpact(impact, -normal, contact);
}
} }
return collision; return collision;
@@ -394,40 +398,53 @@ namespace Barotrauma
float wallImpact = Vector2.Dot(Velocity, -collisionNormal); float wallImpact = Vector2.Dot(Velocity, -collisionNormal);
ApplyImpact(wallImpact, -collisionNormal, contact); ApplyImpact(wallImpact, -collisionNormal, contact);
foreach (Submarine dockedSub in submarine.DockedTo)
{
dockedSub.SubBody.ApplyImpact(wallImpact, -collisionNormal, contact);
}
Vector2 n; Vector2 n;
FixedArray2<Vector2> particlePos; FixedArray2<Vector2> particlePos;
contact.GetWorldManifold(out n, out particlePos); contact.GetWorldManifold(out n, out particlePos);
#if CLIENT #if CLIENT
int particleAmount = (int)(wallImpact*10.0f); int particleAmount = (int)(wallImpact * 10.0f);
for (int i = 0; i < particleAmount; i++) for (int i = 0; i < particleAmount; i++)
{ {
GameMain.ParticleManager.CreateParticle("iceshards", GameMain.ParticleManager.CreateParticle("iceshards",
ConvertUnits.ToDisplayUnits(particlePos[0]) + Rand.Vector(Rand.Range(1.0f, 50.0f)), ConvertUnits.ToDisplayUnits(particlePos[0]) + Rand.Vector(Rand.Range(1.0f, 50.0f)),
Rand.Vector(Rand.Range(50.0f,500.0f)) + Velocity); Rand.Vector(Rand.Range(50.0f, 500.0f)) + Velocity);
} }
#endif #endif
return true; return true;
} }
Submarine sub = f2.Body.UserData as Submarine; Submarine otherSub = f2.Body.UserData as Submarine;
if (sub != null) if (otherSub != null)
{ {
Debug.Assert(sub != submarine); Debug.Assert(otherSub != submarine);
Vector2 normal; Vector2 normal;
FixedArray2<Vector2> points; FixedArray2<Vector2> points;
contact.GetWorldManifold(out normal, out points); contact.GetWorldManifold(out normal, out points);
if (contact.FixtureA.Body == sub.SubBody.Body.FarseerBody) if (contact.FixtureA.Body == otherSub.SubBody.Body.FarseerBody)
{ {
normal = -normal; normal = -normal;
} }
float massRatio = sub.SubBody.Body.Mass / (sub.SubBody.Body.Mass + Body.Mass); float thisMass = Body.Mass + submarine.DockedTo.Sum(s => s.PhysicsBody.Mass);
float otherMass = otherSub.PhysicsBody.Mass + otherSub.DockedTo.Sum(s => s.PhysicsBody.Mass);
ApplyImpact((Vector2.Dot(Velocity - sub.Velocity, normal) / 2.0f)*massRatio, normal, contact); float massRatio = otherMass / (thisMass + otherMass);
float impact = (Vector2.Dot(Velocity - otherSub.Velocity, normal) / 2.0f) * massRatio;
ApplyImpact(impact, normal, contact);
foreach (Submarine dockedSub in submarine.DockedTo)
{
dockedSub.SubBody.ApplyImpact(impact, normal, contact);
}
return true; return true;
} }