diff options
Diffstat (limited to 'scene/3d/vehicle_body.cpp')
| -rw-r--r-- | scene/3d/vehicle_body.cpp | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/scene/3d/vehicle_body.cpp b/scene/3d/vehicle_body.cpp index 56a86b6a17..32b8219ee0 100644 --- a/scene/3d/vehicle_body.cpp +++ b/scene/3d/vehicle_body.cpp @@ -5,8 +5,8 @@ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ -/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */ -/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */ +/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ @@ -270,6 +270,8 @@ void VehicleWheel::_bind_methods() { ClassDB::bind_method(D_METHOD("get_skidinfo"), &VehicleWheel::get_skidinfo); + ClassDB::bind_method(D_METHOD("get_rpm"), &VehicleWheel::get_rpm); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_as_traction"), "set_use_as_traction", "is_used_as_traction"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_as_steering"), "set_use_as_steering", "is_used_as_steering"); ADD_GROUP("Wheel", "wheel_"); @@ -311,6 +313,11 @@ float VehicleWheel::get_skidinfo() const { return m_skidInfo; } +float VehicleWheel::get_rpm() const { + + return m_rpm; +} + VehicleWheel::VehicleWheel() { steers = false; @@ -716,7 +723,7 @@ void VehicleBody::_update_friction(PhysicsDirectBodyState *s) { real_t rollingFriction = 0.f; if (wheelInfo.m_raycastInfo.m_isInContact) { - if (engine_force != 0.f) { + if (engine_force != 0.f && wheelInfo.engine_traction != false) { rollingFriction = -engine_force * s->get_step(); } else { real_t defaultRollingFrictionImpulse = 0.f; @@ -865,12 +872,11 @@ void VehicleBody::_direct_state_changed(Object *p_state) { real_t proj2 = fwd.dot(vel); wheel.m_deltaRotation = (proj2 * step) / (wheel.m_wheelRadius); - wheel.m_rotation += wheel.m_deltaRotation; - - } else { - wheel.m_rotation += wheel.m_deltaRotation; } + wheel.m_rotation += wheel.m_deltaRotation; + wheel.m_rpm = ((wheel.m_deltaRotation / step) * 60) / Math_TAU; + wheel.m_deltaRotation *= real_t(0.99); //damping of rotation when not in contact } |