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authorMattes D <github@xoft.cz>2015-04-14 22:31:09 +0200
committerMattes D <github@xoft.cz>2015-04-14 22:31:09 +0200
commit54289aeccbb5a4d9624c369435ec29ce858374b9 (patch)
tree347b00bdfc68314d6a5e0a0aac5c89e3a19d6599 /src/Entities/ProjectileEntity.cpp
parentDebuggers: Renamed conflicting /cs command to /cstay. (diff)
parentChanged air drag for pickups (diff)
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Diffstat (limited to '')
-rw-r--r--src/Entities/ProjectileEntity.cpp14
1 files changed, 10 insertions, 4 deletions
diff --git a/src/Entities/ProjectileEntity.cpp b/src/Entities/ProjectileEntity.cpp
index 4684e3e09..05b7669cd 100644
--- a/src/Entities/ProjectileEntity.cpp
+++ b/src/Entities/ProjectileEntity.cpp
@@ -227,6 +227,8 @@ cProjectileEntity::cProjectileEntity(eKind a_Kind, cEntity * a_Creator, double a
),
m_IsInGround(false)
{
+ SetGravity(-12.0f);
+ SetAirDrag(0.01f);
}
@@ -242,6 +244,8 @@ cProjectileEntity::cProjectileEntity(eKind a_Kind, cEntity * a_Creator, const Ve
SetSpeed(a_Speed);
SetYawFromSpeed();
SetPitchFromSpeed();
+ SetGravity(-12.0f);
+ SetAirDrag(0.01f);
}
@@ -349,9 +353,11 @@ void cProjectileEntity::HandlePhysics(std::chrono::milliseconds a_Dt, cChunk & a
return;
}
- const Vector3d PerTickSpeed = GetSpeed() / 20;
+ auto DtSec = std::chrono::duration_cast<std::chrono::duration<double>>(a_Dt);
+
+ const Vector3d DeltaSpeed = GetSpeed() * DtSec.count();
const Vector3d Pos = GetPosition();
- const Vector3d NextPos = Pos + PerTickSpeed;
+ const Vector3d NextPos = Pos + DeltaSpeed;
// Test for entity collisions:
cProjectileEntityCollisionCallback EntityCollisionCallback(this, Pos, NextPos);
@@ -388,8 +394,8 @@ void cProjectileEntity::HandlePhysics(std::chrono::milliseconds a_Dt, cChunk & a
// Add slowdown and gravity effect to the speed:
Vector3d NewSpeed(GetSpeed());
- NewSpeed.y += m_Gravity / 20;
- NewSpeed *= TracerCallback.GetSlowdownCoeff();
+ NewSpeed.y += m_Gravity * DtSec.count();
+ NewSpeed -= NewSpeed * (m_AirDrag * 20.0f) * DtSec.count();
SetSpeed(NewSpeed);
SetYawFromSpeed();
SetPitchFromSpeed();