147 lines
5.0 KiB
GDScript
147 lines
5.0 KiB
GDScript
extends AbstractPrey2D
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@onready var sprite = get_node("AnimatedSprite2D")
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# Mirroed sprites for periodic boundary
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var mirrorSprite1: Node2D
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var mirrorSprite2: Node2D
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var mirrorSprite3: Node2D
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# Called when the node enters the scene tree for the first time.
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func _ready() -> void:
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health = maxHealth
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sprite.animation = "Healthy"
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sprite.play()
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mirrorSprite1 = sprite.duplicate()
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mirrorSprite2 = sprite.duplicate()
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mirrorSprite3 = sprite.duplicate()
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add_child(mirrorSprite1)
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add_child(mirrorSprite2)
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add_child(mirrorSprite3)
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# Called every frame. 'delta' is the elapsed time since the previous frame.
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func _process(delta: float) -> void:
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# Boundary mirroring
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_handle_wrapping()
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func _physics_process(delta: float) -> void:
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#self.move(Vector3(randfn(0, 1), randfn(0, 1), 0))
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pass
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func move(motion: Vector3) -> void:
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move_and_collide(Vector2(motion.x, motion.y)) # Moves along the given vector
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# Apply boundary to new position
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position = GameManager.get_boundaried_position(position)
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func handle_damage(dmg: int) -> void:
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health = max(0, health-dmg)
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if health == 0:
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die()
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if health < maxHealth:
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become_injured()
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func die() -> void:
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sprite.play("Dying")
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super.die()
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func become_injured() -> void:
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sprite.play("Injured")
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mirrorSprite1.play("Injured")
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mirrorSprite2.play("Injured")
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mirrorSprite3.play("Injured")
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# Mirroring table:
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# |---|---|---|---|
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# | 4 | 3 | 4 | 3 |
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# |---|===|===|---|
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# | 1 ǁ 2 | 1 ǁ 2 |
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# |---ǁ---|---ǁ---|
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# | 4 ǁ 3 | 4 ǁ 3 |
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# |---|===|===|---|
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# | 1 | 2 | 1 | 2 |
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# |---|---|---|---|
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# If less than viewport size away from an edge, mirror over that edge (for seamless boundary)
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# NOTE: For this to look correctly the camera size should be smaller than half the screen port (in
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# any one dimension. Ideally, the difference between camera size and half the screen port is
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# at least the size of the prey sprite)
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func _handle_wrapping():
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mirrorSprite1.visible = false
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mirrorSprite2.visible = false
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mirrorSprite3.visible = false
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# TODO: Assume viewport size << screen size and only draw according to GameManager.viewport_size
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# Find corresponding section of the screen
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if position.x < GameManager.screen_size.x/2 and position.y < GameManager.screen_size.y/2:
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# 2
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mirrorSprite1.visible = true
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mirrorSprite2.visible = true
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mirrorSprite3.visible = true
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# Right
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#mirrorSprite1.position = Vector2(sprite.position.x + GameManager.screen_size.x, sprite.position.y)
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mirrorSprite1.position = Vector2(GameManager.screen_size.x, 0)
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# Diag
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#mirrorSprite2.position = Vector2(sprite.position.x + GameManager.screen_size.x, sprite.position.y + GameManager.screen_size.y)
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mirrorSprite3.position = Vector2(GameManager.screen_size.x, GameManager.screen_size.y)
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# Bottom
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#mirrorSprite3.position = Vector2(sprite.position.x, sprite.position.y + GameManager.screen_size.y)
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mirrorSprite2.position = Vector2(0, GameManager.screen_size.y)
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elif position.x < GameManager.screen_size.x/2:
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# 3
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mirrorSprite1.visible = true
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mirrorSprite2.visible = true
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mirrorSprite3.visible = true
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# Top
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#mirrorSprite1.position = Vector2(sprite.position.x, sprite.position.y - GameManager.screen_size.y)
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mirrorSprite1.position = Vector2(0, - GameManager.screen_size.y)
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# Diag
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#mirrorSprite2.position = Vector2(sprite.position.x + GameManager.screen_size.x, sprite.position.y - GameManager.screen_size.y)
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mirrorSprite2.position = Vector2(GameManager.screen_size.x, - GameManager.screen_size.y)
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# Right
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#mirrorSprite3.position = Vector2(sprite.position.x + GameManager.screen_size.x, sprite.position.y)
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mirrorSprite3.position = Vector2(GameManager.screen_size.x, 0)
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elif position.y < GameManager.screen_size.y/2:
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# 1
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mirrorSprite1.visible = true
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mirrorSprite2.visible = true
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mirrorSprite3.visible = true
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# Left
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#mirrorSprite1.position = Vector2(sprite.position.x - GameManager.screen_size.x, sprite.position.y)
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mirrorSprite1.position = Vector2(- GameManager.screen_size.x, 0)
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# Bottom
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#mirrorSprite2.position = Vector2(sprite.position.x, sprite.position.y + GameManager.screen_size.y)
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mirrorSprite2.position = Vector2(0, GameManager.screen_size.y)
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# Diag
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#mirrorSprite3.position = Vector2(sprite.position.x - GameManager.screen_size.x, sprite.position.y + GameManager.screen_size.y)
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mirrorSprite3.position = Vector2(- GameManager.screen_size.x, GameManager.screen_size.y)
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else:
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# 4
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mirrorSprite1.visible = true
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mirrorSprite2.visible = true
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mirrorSprite3.visible = true
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# Left
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#mirrorSprite1.position = Vector2(sprite.position.x - GameManager.screen_size.x, sprite.position.y)
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mirrorSprite1.position = Vector2(- GameManager.screen_size.x, 0)
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# Diag
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#mirrorSprite2.position = Vector2(sprite.position.x - GameManager.screen_size.x, sprite.position.y - GameManager.screen_size.y)
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mirrorSprite2.position = Vector2(- GameManager.screen_size.x, - GameManager.screen_size.y)
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# Top
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#mirrorSprite3.position = Vector2(sprite.position.x, sprite.position.y - GameManager.screen_size.y)
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mirrorSprite3.position = Vector2(0, - GameManager.screen_size.y)
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