diff options
Diffstat (limited to 'godot/scripts/vehicles/Airplane.gd')
| -rw-r--r-- | godot/scripts/vehicles/Airplane.gd | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/godot/scripts/vehicles/Airplane.gd b/godot/scripts/vehicles/Airplane.gd new file mode 100644 index 0000000..cf3c21a --- /dev/null +++ b/godot/scripts/vehicles/Airplane.gd @@ -0,0 +1,106 @@ +extends VehicleBody + +var countdown +var boosting = false +const booster_force = 2500 +const brake_force = 50 +const boost_length = 8 +const turn_constant = 0.45 +const roll_constant = 0.5 +const pitch_constant = 0.9 +const drag_constant = 0.4 +const v_angle_max = 1.0472 #60 deg, also top and bottom of regular steering +const v_angle_min = -1.45626 #-85 deg +const roll_angle_max = 1.22173 #70 deg +var roll_dir = 0 #right = 1, left = -1 +var pitch_dir = 0 #up = 1, down = -1 +var v_angle +var roll_angle +var vel_slow +var parentvel = [Vector3.ZERO, Vector3.ZERO] +export var roll_curve : CurveTexture + + + +func _ready(): + countdown = boost_length + brake = 5 + set_network_master(-1) + set_physics_process(true) + #mode = RigidBody.MODE_STATIC + +func trigger_boost(): + if not boosting: + print("boosting") + boosting = true + +func _process(delta): + if is_network_master(): + if boosting and countdown <= 0: + print("stopped boosting") + boosting = false + countdown = boost_length + + if Input.is_action_just_pressed("boost"): + trigger_boost() + roll_dir = Input.get_action_strength("roll_left") - Input.get_action_strength("roll_right") + pitch_dir = Input.get_action_strength("pitch_up") - Input.get_action_strength("pitch_down") + $rearwheel.brake = lerp($rearwheel.brake, Input.get_action_strength("brake")*brake_force, 0.05) + +func _physics_process(delta): + if is_network_master(): + v_angle = atan2(global_transform.basis.x.y,sqrt(global_transform.basis.x.z*global_transform.basis.x.z + global_transform.basis.x.x*global_transform.basis.x.x)) + roll_angle = global_transform.basis.x.cross(Vector3.UP).angle_to($rightaileron.global_transform.origin-$wingcenter.global_transform.origin) + if $rightaileron.global_transform.origin.y < $leftaileron.global_transform.origin.y: + roll_angle *= -1 + if boosting: + add_force(global_transform.basis.x*booster_force,Vector3.ZERO) + countdown -= delta + + #print(linear_velocity.length()) + #slow plane by drag and gravity + if linear_velocity.length() > 16 and linear_velocity.angle_to(global_transform.basis.x) < 0.25: + var v_dir = 1 if linear_velocity.y > 0 else -1 + vel_slow = v_dir*sqrt(abs(2*9.8*linear_velocity.y*delta)) + drag_constant + Input.get_action_strength("brake")*5 + add_force(-1*linear_velocity.normalized()*vel_slow*mass,Vector3.ZERO) + + + + #pass #"inherit" linear and angular velocity of what plane is landed on + +func _integrate_forces(state): + if is_network_master(): + #linear_velocity -= parentvel[0]; angular_velocity -= parentvel[1] +# if $rightwheel.get_rpm() < 60 and $rightwheel.is_in_contact(): +# if $rightwheel/Area.get_overlapping_bodies()[0].has_method("get_linear_velocity"): +# var ulv = $rightwheel/Area.get_overlapping_bodies()[0].linear_velocity +# var uav = $rightwheel/Area.get_overlapping_bodies()[0].angular_velocity +# var upos = $rightwheel/Area.get_overlapping_bodies()[0].global_transform.origin +# ulv += (global_transform.origin - upos).rotated(uav.normalized(),uav.length()*state.get_step()) + global_transform.origin +# parentvel = [ulv,uav] +# else: +# parentvel = [Vector3.ZERO, Vector3.ZERO] + if linear_velocity.length() > 25: + #linear_velocity = linear_velocity.normalized()*(linear_velocity.length()-vel_slow) + var ang_vel_target = Vector3.ZERO + #pitch plane + if pitch_dir == 1: #up, rotate toward maximum vertical angle + ang_vel_target += pitch_constant*(v_angle_max-v_angle)*global_transform.basis.z + elif pitch_dir == -1: #down, rotate toward minimum vertical angle + ang_vel_target += pitch_constant*(v_angle_min-v_angle)*global_transform.basis.z + + #roll (rotate around lengthwise axis) + var is_returning = 3 if roll_dir == 0 else 1 #return to flat quicker + ang_vel_target -= roll_constant*is_returning*(roll_dir*roll_curve.curve.interpolate(roll_angle_max-roll_angle))*global_transform.basis.x + + #turn (based on how much the plane is rolled (need to add + ang_vel_target += turn_constant*Vector3.UP*roll_angle + + #apply angular velocity + angular_velocity = ang_vel_target#lerp(angular_velocity,ang_vel_target,0.1) + if linear_velocity.angle_to(global_transform.basis.x) < 0.25: + set_linear_velocity(get_linear_velocity().slerp(transform.basis.x*linear_velocity.length(),0.1)) + #linear_velocity += parentvel[0]; angular_velocity += parentvel[1] + rpc("_set_position", global_transform, linear_velocity) + elif get_network_master() == -1 and get_tree().get_network_unique_id() == 1: + rpc("_set_position", global_transform, linear_velocity) |