73 lines
2.7 KiB
GDScript
73 lines
2.7 KiB
GDScript
class_name Flyer
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extends CharacterBody2D
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# constants
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## Maximum angle in degrees that the flyer can tilt.
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@export var max_tilt = 45
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## Maximum acceleration of the flyer in vertical directions. Measured in pixels per second.
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@export var vertical_accelleration = 5
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## Maximum acceleration of the flyer in horizontal directions. Measured in pixels per second.
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@export var horizontal_accelleration = 15
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## Default deceleration of the flyer in vertical directions when no input is given. Measured in pixels per second.
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@export var vertical_decelleration = 8
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## Default deceleration of the flyer in horizontal directions when no input is given. Measured in pixels per second.
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@export var horizontal_decelleration = 20
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## Maximum speed of the flyer in vertical directions. Measured in pixels per second.
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@export var vertical_max_speed = 300
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## Maximum speed of the flyer in horizontal directions. Measured in pixels per second.
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@export var horizontal_max_speed = 300
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@export var max_hp = 100
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@export var weapons: Array[Weapon]
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@export var friendly = false
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#@export var panAudio = true
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# gameplay variables
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var tilt
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var speed
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var hp
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var directionInput
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func _ready() -> void:
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hp = max_hp
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max_tilt = deg_to_rad(max_tilt)
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directionInput = Vector2(0,0)
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func _physics_process(delta: float) -> void:
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# convert control input to movement
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var verticalIn = directionInput.y
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var horizontalIn = directionInput.x
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if verticalIn:
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if (verticalIn / velocity.y) < 0:
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velocity.y = move_toward(velocity.y, vertical_max_speed, verticalIn * (vertical_decelleration))
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else:
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velocity.y = move_toward(velocity.y, sign(verticalIn) * vertical_max_speed, sign(verticalIn) * verticalIn * vertical_accelleration)
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else:
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velocity.y = move_toward(velocity.y, 0, vertical_decelleration)
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if horizontalIn:
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if (horizontalIn / velocity.x) < 0:
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velocity.x = move_toward(velocity.x, horizontal_max_speed, horizontalIn * (horizontal_decelleration))
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else:
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velocity.x = move_toward(velocity.x, sign(horizontalIn) * horizontal_max_speed, sign(horizontalIn) * horizontalIn * horizontal_accelleration)
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else:
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velocity.x = move_toward(velocity.x, 0, horizontal_decelleration)
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#print_debug("current velocity: ", velocity, ", current input: ", Vector2(horizontalIn, verticalIn), ", input signs: ", Vector2(sign(horizontalIn), sign(verticalIn)))
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move_and_collide(velocity * delta)
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# tilt the flyer according to vertical movement.
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tilt = velocity.y / vertical_max_speed * max_tilt
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rotation = tilt
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func shoot(index):
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#print_debug("trying to shoot weapon ", index, " out of ", )
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if index < weapons.size():
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weapons[index].shoot()
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func deal_damage(amount):
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hp -= amount
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if hp <= 0:
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die()
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func die():
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return
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#TODO: implement death
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