48 lines
1.5 KiB
GDScript
48 lines
1.5 KiB
GDScript
extends Marker2D
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@export var lock_horizontal = true
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@export var speed := 3.0
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@export var half_screen_size := Vector2(564, 240) / 2.0
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@export var top_shaded_length := 38
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@export var limit_left := 0
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@export var limit_right := 564
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@export var limit_top := -158
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@export var limit_bottom := 158
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@onready var target = %Target as Node2D
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# @onready var camera = %MainCamera as MainCamera
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var zoom_ratio := 1.0
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func tweak_position(velocity, facing_direction):
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target.position.x = facing_direction.x * abs(velocity.x) * 0.3
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if lock_horizontal:
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global_position.y = 0
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target.position.y = 0
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else:
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target.position.y = facing_direction.y * abs(velocity.y) * 0.3
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func _physics_process(delta: float) -> void:
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# set camera's position
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var target_position = target.global_position
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var current_position = MainCamera.global_position
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# easing with speed
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var position_delta = (target_position - current_position) * speed * delta
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var new_position = current_position + position_delta
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# clamp the position
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var margin = half_screen_size / zoom_ratio
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margin.y += top_shaded_length
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new_position.x = clamp(new_position.x, limit_left + margin.x, limit_right - margin.x)
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new_position.y = clamp(new_position.y, limit_top + margin.y, limit_bottom - margin.y)
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MainCamera.global_position = new_position
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MainCamera.zoom = Vector2(zoom_ratio, zoom_ratio)
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func tween_zoom(ratio: float, duration := 1.0) -> Tween:
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var tween = create_tween()
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tween.tween_property(self, "zoom_ratio", ratio, duration).set_trans(Tween.TRANS_CUBIC)
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return tween
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