3 files changed, 10 insertions, 5 deletions
diff --git a/src/vehicles/Automobile.cpp b/src/vehicles/Automobile.cpp
index 9617c9be..c968a147 100644
--- a/src/vehicles/Automobile.cpp
+++ b/src/vehicles/Automobile.cpp
@@ -4314,7 +4314,7 @@ GetCurrentAtomicObjectCB(RwObject *object, void *data)
 	return object;
 }
 
-CColPoint spherepoints[MAX_COLLISION_POINTS];
+static CColPoint aTempPedColPts[MAX_COLLISION_POINTS];
 
 CObject*
 CAutomobile::SpawnFlyingComponent(int32 component, uint32 type)
@@ -4434,7 +4434,7 @@ CAutomobile::SpawnFlyingComponent(int32 component, uint32 type)
 
 	if(CCollision::ProcessColModels(obj->GetMatrix(), *obj->GetColModel(),
 			this->GetMatrix(), *this->GetColModel(),
-			spherepoints, nil, nil) > 0)
+			aTempPedColPts, nil, nil) > 0)
 		obj->m_pCollidingEntity = this;
 
 	if(bRenderScorched)
diff --git a/src/vehicles/Heli.cpp b/src/vehicles/Heli.cpp
index 7b62b461..bb266a80 100644
--- a/src/vehicles/Heli.cpp
+++ b/src/vehicles/Heli.cpp
@@ -570,7 +570,7 @@ CHeli::PreRender(void)
 	i = 0;
 	for(angle = 0.0f; angle < TWOPI; angle += TWOPI/32){
 		CVector pos(radius*Cos(angle), radius*Sin(angle), 0.0f);
-		CVector dir = pos*0.01f;
+		CVector dir = CVector(pos.x, pos.y, 1.0f)*0.01f;
 		pos += GetPosition();
 
 		if(CWorld::ProcessVerticalLine(pos, testLowZ, point, entity, true, false, false, false, true, false, nil))
diff --git a/src/vehicles/Vehicle.cpp b/src/vehicles/Vehicle.cpp
index d8c7c4c8..e264d7ed 100644
--- a/src/vehicles/Vehicle.cpp
+++ b/src/vehicles/Vehicle.cpp
@@ -466,6 +466,10 @@ CVehicle::ProcessWheel(CVector &wheelFwd, CVector &wheelRight, CVector &wheelCon
 	static bool bBraking;
 	static bool bDriving;
 
+#ifdef FIX_BUGS
+	bAlreadySkidding = false;
+#endif
+
 	// how much force we want to apply in these axes
 	float fwd = 0.0f;
 	float right = 0.0f;
@@ -547,7 +551,8 @@ CVehicle::ProcessWheel(CVector &wheelFwd, CVector &wheelRight, CVector &wheelCon
 		}
 	}
 
-	if(sq(adhesion) < sq(right) + sq(fwd)){
+	float speedSq = sq(right) + sq(fwd);
+	if(sq(adhesion) < speedSq){
 		if(*wheelState != WHEEL_STATE_FIXED){
 			if(bDriving && contactSpeedFwd < 0.2f)
 				*wheelState = WHEEL_STATE_SPINNING;
@@ -555,7 +560,7 @@ CVehicle::ProcessWheel(CVector &wheelFwd, CVector &wheelRight, CVector &wheelCon
 				*wheelState = WHEEL_STATE_SKIDDING;
 		}
 
-		float l = Sqrt(sq(right) + sq(fwd));
+		float l = Sqrt(speedSq);
 		float tractionLoss = bAlreadySkidding ? 1.0f : pHandling->fTractionLoss;
 		right *= adhesion * tractionLoss / l;
 		fwd *= adhesion * tractionLoss / l;