91 lines
2.8 KiB
GDScript3
91 lines
2.8 KiB
GDScript3
|
extends KinematicBody2D
|
||
|
|
|
||
|
|
|
||
|
|
export var speed_max := 650.0
|
||
|
|
export var acceleration_max := 70.0
|
||
|
|
export var rotation_speed_max := 240
|
||
|
|
export var rotation_accel_max := 40
|
||
|
|
export var bullet: PackedScene
|
||
|
|
|
||
|
|
var velocity := Vector2.ZERO
|
||
|
|
var angular_velocity := 0.0
|
||
|
|
var direction := Vector2.RIGHT
|
||
|
|
|
||
|
|
onready var agent := GSTSteeringAgent.new()
|
||
|
|
onready var proxy_target := GSTAgentLocation.new()
|
||
|
|
onready var face := GSTFace.new(agent, proxy_target)
|
||
|
|
onready var accel := GSTTargetAcceleration.new()
|
||
|
|
onready var bullets := owner.get_node("Bullets")
|
||
|
|
|
||
|
|
|
||
|
|
func _ready() -> void:
|
||
|
|
agent.linear_speed_max = speed_max
|
||
|
|
agent.linear_acceleration_max = acceleration_max
|
||
|
|
agent.angular_speed_max = deg2rad(rotation_speed_max)
|
||
|
|
agent.angular_acceleration_max = deg2rad(rotation_accel_max)
|
||
|
|
agent.bounding_radius = calculate_radius($CollisionPolygon2D.polygon)
|
||
|
|
update_agent()
|
||
|
|
|
||
|
|
var mouse_pos := get_global_mouse_position()
|
||
|
|
proxy_target.position.x = mouse_pos.x
|
||
|
|
proxy_target.position.y = mouse_pos.y
|
||
|
|
|
||
|
|
face.alignment_tolerance = deg2rad(5)
|
||
|
|
face.deceleration_radius = deg2rad(45)
|
||
|
|
|
||
|
|
|
||
|
|
func _physics_process(delta: float) -> void:
|
||
|
|
update_agent()
|
||
|
|
|
||
|
|
var movement := get_movement()
|
||
|
|
|
||
|
|
direction = Vector2(sin(-rotation), cos(rotation))
|
||
|
|
|
||
|
|
velocity += direction * acceleration_max * movement
|
||
|
|
velocity = velocity.clamped(speed_max)
|
||
|
|
velocity = velocity.linear_interpolate(Vector2.ZERO, 0.1)
|
||
|
|
velocity = move_and_slide(velocity)
|
||
|
|
|
||
|
|
face.calculate_steering(accel)
|
||
|
|
angular_velocity += accel.angular
|
||
|
|
angular_velocity = clamp(angular_velocity, -agent.angular_speed_max, agent.angular_speed_max)
|
||
|
|
angular_velocity = lerp(angular_velocity, 0, 0.1)
|
||
|
|
rotation += angular_velocity * delta
|
||
|
|
|
||
|
|
|
||
|
|
func _unhandled_input(event: InputEvent) -> void:
|
||
|
|
if event is InputEventMouseMotion:
|
||
|
|
var mouse_pos: Vector2 = event.position
|
||
|
|
proxy_target.position.x = mouse_pos.x
|
||
|
|
proxy_target.position.y = mouse_pos.y
|
||
|
|
elif event is InputEventMouseButton:
|
||
|
|
if event.button_index == BUTTON_LEFT and event.pressed:
|
||
|
|
var next_bullet: = bullet.instance()
|
||
|
|
next_bullet.global_position = global_position - direction * (agent.bounding_radius-5)
|
||
|
|
next_bullet.player = self
|
||
|
|
next_bullet.start(-direction)
|
||
|
|
bullets.add_child(next_bullet)
|
||
|
|
|
||
|
|
|
||
|
|
func get_movement() -> float:
|
||
|
|
return Input.get_action_strength("sf_down") - Input.get_action_strength("sf_up")
|
||
|
|
|
||
|
|
|
||
|
|
func update_agent() -> void:
|
||
|
|
agent.position.x = global_position.x
|
||
|
|
agent.position.y = global_position.y
|
||
|
|
agent.orientation = rotation
|
||
|
|
agent.linear_velocity.x = velocity.x
|
||
|
|
agent.linear_velocity.y = velocity.y
|
||
|
|
agent.angular_velocity = angular_velocity
|
||
|
|
|
||
|
|
|
||
|
|
func calculate_radius(polygon: PoolVector2Array) -> float:
|
||
|
|
var furthest_point := Vector2(-INF, -INF)
|
||
|
|
for p in polygon:
|
||
|
|
if abs(p.x) > furthest_point.x:
|
||
|
|
furthest_point.x = p.x
|
||
|
|
if abs(p.y) > furthest_point.y:
|
||
|
|
furthest_point.y = p.y
|
||
|
|
return furthest_point.length()
|