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Fix braking with a parachute

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Alayan-stk-2 2018-08-05 15:16:28 +02:00 committed by GitHub
parent 6ea2250a41
commit 053ceabb6e
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 17 additions and 11 deletions
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28
src/karts/kart.cpp
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@ -2608,9 +2608,6 @@ void Kart::updateEnginePowerAndBrakes(int ticks)
engine_power*= m_kart_properties->getNitroEngineMult();
}
// This also applies parachute physics if relevant
engine_power = applyAirFriction(engine_power);
// apply bubblegum physics if relevant
if (m_bubblegum_ticks > 0)
{
@ -2635,6 +2632,9 @@ void Kart::updateEnginePowerAndBrakes(int ticks)
m_kart_properties->getSkidVisualTime() == 0)
engine_power *= 0.5f;
// This also applies parachute physics if relevant
engine_power = applyAirFriction(engine_power);
applyEngineForce(engine_power*m_controls.getAccel());
// Either all or no brake is set, so test only one to avoid
@ -2644,14 +2644,20 @@ void Kart::updateEnginePowerAndBrakes(int ticks)
m_vehicle->setAllBrakes(0);
m_brake_ticks = 0;
}
else
{ // not accelerating
else // not accelerating
{
//The engine power is still guaranteed >= 0 at this point
float braking_power = engine_power;
// This also applies parachute physics if relevant
engine_power = applyAirFriction(engine_power);
if(m_controls.getBrake())
{ // check if the player is currently only slowing down
// or moving backwards
if(m_speed > 0.0f)
{ // Still going forward while braking
applyEngineForce(-engine_power*2.5f);
applyEngineForce(engine_power-braking_power*3);
m_brake_ticks += ticks;
// Apply the brakes - include the time dependent brake increase
float f = 1.0f + stk_config->ticks2Time(m_brake_ticks)
@ -2669,7 +2675,7 @@ void Kart::updateEnginePowerAndBrakes(int ticks)
// The backwards acceleration is artificially increased to
// allow players to get "unstuck" quicker if they hit e.g.
// a wall.
applyEngineForce(-engine_power*2.5f);
applyEngineForce(engine_power-braking_power*3);
}
else // -m_speed >= max speed on this terrain
{
@ -2678,13 +2684,13 @@ void Kart::updateEnginePowerAndBrakes(int ticks)
} // m_speed <00
}
else // !m_brake
else // no braking and no acceleration
{
m_brake_ticks = 0;
// lift the foot from throttle, brakes with 10% engine_power
// lift the foot from throttle, let friction slow it down
assert(!std::isnan(m_controls.getAccel()));
assert(!std::isnan(engine_power));
applyEngineForce(-m_controls.getAccel()*engine_power*0.1f);
applyEngineForce(engine_power-braking_power);
// If not giving power (forward or reverse gear), and speed is low
// we are "parking" the kart, so in battle mode we can ambush people
@ -2692,7 +2698,7 @@ void Kart::updateEnginePowerAndBrakes(int ticks)
m_vehicle->setAllBrakes(20.0f);
else
m_vehicle->setAllBrakes(0);
} // !m_brake
} // no braking and no acceleration
} // not accelerating
} // updateEnginePowerAndBrakes