158 lines
3.8 KiB
GDScript
158 lines
3.8 KiB
GDScript
class_name Player
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extends CharacterBody3D
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signal died
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enum State {
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NORMAL,
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DASHING,
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LOCKED,
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}
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const MOVE_SPEED := 7.5
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const DASH_SPEED := 35.
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const DASH_COST := .5
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static var instance: Player
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@export var shake_noise: FastNoiseLite
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var shake_duration := 0.
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@onready var camera_transform: Transform3D = %Camera3D.transform
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var damage_clock := 0.
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var aim_angle: float
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var health := 3:
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set(v):
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health = v
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if is_node_ready():
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%HealthLabel.text = "Health: %d" % v
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%HealthBar.update(v)
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var state := State.NORMAL
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var dash_direction: Vector2
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var stamina := 1.0
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@export var guns: Array[Gun]
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var gun_index := 0:
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set(v):
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gun_index = v % guns.size()
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%GunLabel.text = gun.name
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var gun: Gun:
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get: return guns[gun_index]
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func _init() -> void:
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instance = self
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func _ready() -> void:
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health = health
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func _process_stamina(delta: float) -> void:
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stamina = move_toward(stamina, 1., delta * 0.2)
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%StaminaBar.value = stamina
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func exp_lerp(a: Variant, b: Variant, decay: float, dt: float) -> Variant:
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return lerp(a, b, 1 - exp(-decay * dt))
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func _process_movement(delta: float) -> void:
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var input = Input.get_vector("move_left", "move_right", "move_up", "move_down")
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input.normalized()
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var mul := 10. if DebugMenu.high_speed_hack else 1.
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var desired_velocity = Vector3(input.x, 0., input.y) * MOVE_SPEED * mul
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velocity = exp_lerp(velocity, desired_velocity, 20, delta)
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move_and_slide()
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if Input.is_action_just_pressed("dash") and stamina >= DASH_COST and not input.is_zero_approx():
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stamina -= DASH_COST
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dash_direction = input
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state = State.DASHING
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await get_tree().create_timer(.25, false).timeout
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# state = State.LOCKED
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# await get_tree().create_timer(.5, false).timeout
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state = State.NORMAL
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func _process_dash() -> void:
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velocity = Vector3(dash_direction.x, 0., dash_direction.y) * DASH_SPEED
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move_and_slide()
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func _process_aim() -> void:
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var viewport_mouse_pos := get_viewport().get_mouse_position()
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var r_origin: Vector3 = %Camera3D.project_ray_origin(viewport_mouse_pos)
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var r_dir: Vector3 = %Camera3D.project_ray_normal(viewport_mouse_pos)
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# y = mx + b
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# 0 = mx + b
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# -b / m = x
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var t := -r_origin.y / r_dir.y
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var world_mouse_pos = r_origin + r_dir * t
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var to_mouse_pos = world_mouse_pos - global_position
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var angle = Vector2(to_mouse_pos.x, -to_mouse_pos.z).angle()
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%Cannon.rotation.y = angle
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aim_angle = angle
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%Reticle.position = to_mouse_pos
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func _process_shoot(delta: float) -> void:
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var clock_mul := 1.
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# match state:
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# State.DASHING: clock_mul = 2.5
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# State.LOCKED: clock_mul = 2.5
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gun.fire_clock -= delta * clock_mul
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if Input.is_action_pressed("fire") and gun.fire_clock <= 0.:
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gun.fire(aim_angle)
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func _process_cam_shake(delta: float) -> void:
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shake_duration -= delta
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%Camera3D.transform = camera_transform
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if DebugMenu.zoomed_out:
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%Camera3D.position += %Camera3D.basis.z * 20.
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if shake_duration <= 0:
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return
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var x := shake_noise.get_noise_1d(shake_duration * 10000)
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var y := shake_noise.get_noise_1d(-shake_duration * 10000)
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var v := \
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camera_transform.basis.x * x + \
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camera_transform.basis.y * y
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%Camera3D.position += v * .75
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func _process(delta: float) -> void:
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if not Level.is_active(): return
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match state:
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State.NORMAL: _process_movement(delta)
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State.DASHING: _process_dash()
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State.LOCKED: pass
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_process_aim()
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_process_shoot(delta)
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_process_cam_shake(delta)
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_process_stamina(delta)
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damage_clock -= delta
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if Input.is_action_just_pressed("sharpshooter"):
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gun_index = 0
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if Input.is_action_just_pressed("minigun"):
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gun_index = 1
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if Input.is_action_just_pressed("mortar"):
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gun_index = 2
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func damage(damager: Node3D) -> void:
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if health <= 0: return
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if state == State.DASHING:
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damager.queue_free()
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else:
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if damage_clock <= 0.:
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health -= 1
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damage_clock = 3
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shake_duration = .25
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if health <= 0:
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died.emit()
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