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Diffstat (limited to 'scene/3d/vehicle_body.cpp')
-rw-r--r--scene/3d/vehicle_body.cpp22
1 files changed, 12 insertions, 10 deletions
diff --git a/scene/3d/vehicle_body.cpp b/scene/3d/vehicle_body.cpp
index ed3bde9504..385956dc16 100644
--- a/scene/3d/vehicle_body.cpp
+++ b/scene/3d/vehicle_body.cpp
@@ -524,7 +524,7 @@ void VehicleBody::_update_suspension(PhysicsDirectBodyState *s) {
//bilateral constraint between two dynamic objects
void VehicleBody::_resolve_single_bilateral(PhysicsDirectBodyState *s, const Vector3 &pos1,
- PhysicsBody *body2, const Vector3 &pos2, const Vector3 &normal, real_t &impulse) {
+ PhysicsBody *body2, const Vector3 &pos2, const Vector3 &normal, real_t &impulse, real_t p_rollInfluence) {
real_t normalLenSqr = normal.length_squared();
//ERR_FAIL_COND( normalLenSqr < real_t(1.1));
@@ -582,8 +582,15 @@ void VehicleBody::_resolve_single_bilateral(PhysicsDirectBodyState *s, const Vec
rel_vel = normal.dot(vel);
- //TODO: move this into proper structure
- real_t contactDamping = real_t(0.4);
+ // !BAS! We had this set to 0.4, in bullet its 0.2
+ real_t contactDamping = real_t(0.2);
+
+ if (p_rollInfluence > 0.0) {
+ // !BAS! But seeing we apply this frame by frame, makes more sense to me to make this time based
+ // keeping in mind our anti roll factor if it is set
+ contactDamping = s->get_step() / p_rollInfluence;
+ }
+
#define ONLY_USE_LINEAR_MASS
#ifdef ONLY_USE_LINEAR_MASS
real_t massTerm = real_t(1.) / ((1.0 / mass) + b2invmass);
@@ -668,13 +675,8 @@ void VehicleBody::_update_friction(PhysicsDirectBodyState *s) {
m_forwardImpulse.resize(numWheel);
m_sideImpulse.resize(numWheel);
- int numWheelsOnGround = 0;
-
//collapse all those loops into one!
for (int i = 0; i < wheels.size(); i++) {
- VehicleWheel &wheelInfo = *wheels[i];
- if (wheelInfo.m_raycastInfo.m_isInContact)
- numWheelsOnGround++;
m_sideImpulse[i] = real_t(0.);
m_forwardImpulse[i] = real_t(0.);
}
@@ -704,7 +706,7 @@ void VehicleBody::_update_friction(PhysicsDirectBodyState *s) {
_resolve_single_bilateral(s, wheelInfo.m_raycastInfo.m_contactPointWS,
wheelInfo.m_raycastInfo.m_groundObject, wheelInfo.m_raycastInfo.m_contactPointWS,
- m_axle[i], m_sideImpulse[i]);
+ m_axle[i], m_sideImpulse[i], wheelInfo.m_rollInfluence);
m_sideImpulse[i] *= sideFrictionStiffness2;
}
@@ -925,7 +927,7 @@ void VehicleBody::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_steering"), &VehicleBody::get_steering);
ADD_GROUP("Motion", "");
- ADD_PROPERTY(PropertyInfo(Variant::REAL, "engine_force", PROPERTY_HINT_RANGE, "0.00,1024.0,0.01"), "set_engine_force", "get_engine_force");
+ ADD_PROPERTY(PropertyInfo(Variant::REAL, "engine_force", PROPERTY_HINT_RANGE, "0.00,1024.0,0.01,or_greater"), "set_engine_force", "get_engine_force");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "brake", PROPERTY_HINT_RANGE, "0.0,1.0,0.01"), "set_brake", "get_brake");
ADD_PROPERTY(PropertyInfo(Variant::REAL, "steering", PROPERTY_HINT_RANGE, "-180,180.0,0.01"), "set_steering", "get_steering");
}