diff options
Diffstat (limited to 'Racing-Game/4WheelCar/FrontWheel.gd')
| -rw-r--r-- | Racing-Game/4WheelCar/FrontWheel.gd | 119 |
1 files changed, 21 insertions, 98 deletions
diff --git a/Racing-Game/4WheelCar/FrontWheel.gd b/Racing-Game/4WheelCar/FrontWheel.gd index 76eaad0..7731bca 100644 --- a/Racing-Game/4WheelCar/FrontWheel.gd +++ b/Racing-Game/4WheelCar/FrontWheel.gd @@ -1,16 +1,6 @@ -extends RigidBody2D - -var velocity #How fast car is moving -var velVector #What direction the car is moving -var velUnitVector #Direction vector, but in a single unit(no magnitude) -var velAngle #The angle of the velocity(relative to world) -var carAngle #The angle to car is facing(relative to world) - -#Skidmarks on floor -onready var skidObj = preload("res://4WheelCar/Skid/Skidmark.tscn") +extends "res://4WheelCar/Wheel.gd" #Reduces steering strength when braking -var steerDampBase = 1 var steerDamp = 1 #Steering Curve Vars @@ -20,57 +10,35 @@ var steerHeight = 2.6 var steerLimit = 73 var steerMinimum = 1 -var gripDelay = 0 - -var wheelSlip = Vector2(0,0) -var isSkid = false #this one is used when user presses shift. Initially called in this function -var isSkidOverride = false #this one is used when driving over sand, initially called in carbody - -signal slip -signal end -var elapsed = 0 - -var isForward = true - # Called when the node enters the scene tree for the first time. func _ready(): pass # Called every frame. 'delta' is the elapsed time since the previous frame. func _process(delta): - #Variable Setup - #--- + #Variable Update + #---null_slide vars + nullStrength = 0 velocity = measure_velocity() velVector = get_node("../../../CarBody").get_linear_velocity() - velUnitVector = velVector.normalized() - velAngle = atan2(velVector.y,velVector.x) carAngle = get_node("../../../CarBody").get_transform().get_rotation() + #---Steering Vars + velAngle = atan2(velVector.y,velVector.x) isForward = is_forward() #--- set_rotation(carAngle) -# gripDelay = has_grip(0.4,delta) - isSlip(delta) - if(!isSkidOverride): - isSkid = Input.is_action_pressed("grip") + isSkid = Input.is_action_pressed("grip") #Determines if drifting if Input.is_action_pressed("grip") || Input.is_action_pressed("brake"): - null_slide(max(5,velocity/7),delta) + nullStrength += max(5,velocity/7) else: - null_slide(1,delta) + nullStrength += 1 #Braking - if Input.is_action_pressed("brake"): - if velocity > 20: - linear_damp = 3 - steerDamp = 0.7 - else: - linear_damp = 6 - steerDamp = 0.4 - else: - linear_damp = 0.01 - steerDamp = 1 + setBrake(0) + null_slide(nullStrength,delta) #Steering if Input.is_action_pressed("steer_left"): @@ -78,60 +46,6 @@ func _process(delta): if Input.is_action_pressed("steer_right"): apply_central_impulse(steerDamp*Vector2(0,-steer_curve(steerSplitA, steerSplitB, steerHeight, steerLimit,steerMinimum)).rotated(steer_angle())*delta*5000) - - - -func null_slide(var strength, var delta): - #strength is how strong you would like the nullify to be - #higher is less sliding/drifting - var movementUnitVector = get_linear_velocity().normalized()#the direction of the velocity - var directionAngle = carAngle + (PI/2.0)#the angle the car is facing(relative to the world) - var directionUnitVector = Vector2(cos(directionAngle),sin(directionAngle)).normalized()#the direction the car is facing - var nullify = directionUnitVector * movementUnitVector.dot(directionUnitVector) - wheelSlip = (-(movementUnitVector - nullify))*strength - apply_central_impulse(wheelSlip*delta*5000) - -#func has_grip(var tractionDelay, var delta): -# var movementUnitVector = get_linear_velocity().normalized()#the direction of the velocity -# var directionAngle = carAngle#the angle the car is facing(relative to the world) -# var directionUnitVector = Vector2(cos(directionAngle),sin(directionAngle)).normalized()#the direction the car is facing -# if velocity > 10: -# if Input.is_action_pressed("grip"):##if pressing shift -# gripDelay = tractionDelay -# elif (gripDelay <= 0 && abs(movementUnitVector.dot(directionUnitVector)) > 0.4):#if not drifting but past steering point -# gripDelay = tractionDelay -# elif gripDelay > 0 && abs(movementUnitVector.dot(directionUnitVector)) > 0.3:#if drifting and past steering point -# gripDelay = tractionDelay -# elif gripDelay > 0:#if at recovery point and drifting -# gripDelay -= delta -# else: -# gripDelay = 0 -# return gripDelay - -#Determines if skidmarks should be creted, or stopped -func isSlip(time): - if (wheelSlip.length() > 0.6): - if(elapsed/4 > time): - emit_signal("end") - elapsed = 0 - else: - emit_signal("slip") - else: - elapsed += time - -func measure_velocity(): - return floor(sqrt(get_linear_velocity().dot(get_linear_velocity()))/12) - -#determines if the car is driving forward, or backward -func is_forward(): - var carVector = Vector2(cos(carAngle + PI/2),sin(carAngle + PI/2)) - if velVector == Vector2(0,0) || carVector == Vector2(0,0): - return true - if velVector.dot(carVector) <= 0: - return true - else: - return false - #returns the angle the car is facing, relative to the direction it is moving func steer_angle(): if isForward: @@ -141,7 +55,7 @@ func steer_angle(): #Determines strength of steering as a function of the speed func steer_curve(var splitA, splitB, var height, var limit, var minimum): - #Rules: + #Rules: # splitA < splitB < limit # height > 0, limit >= 0 # --- @@ -159,3 +73,12 @@ func steer_curve(var splitA, splitB, var height, var limit, var minimum): return height else: return max((-pow((velocity/(splitA/sqrt(height)))-sqrt(height),2)+height)*abs(cos(abs(velAngle-carAngle)+PI/2)),0) + +func is_forward(): + var carVector = Vector2(cos(carAngle + PI/2),sin(carAngle + PI/2)) + if velVector == Vector2(0,0) || carVector == Vector2(0,0): + return true + if velVector.dot(carVector) <= 0: + return true + else: + return false |