73 lines
1.7 KiB
GDScript
73 lines
1.7 KiB
GDScript
extends Control
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var up_left
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var down_right
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var up_right
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var down_left
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var viewport_rect
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var elapsed_time = 0.0
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@export var spawn_entries: Array[SpawnEntry]
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func _ready() -> void:
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var camera: Camera2D = get_parent().get_node("Camera2D")
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var viewport_size = get_viewport_rect().size
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var world_size = viewport_size / camera.zoom
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var world_origin = camera.global_position # anchor_mode = 0 → top-left corner
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up_left = world_origin
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down_right = world_origin + world_size
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up_right = Vector2(down_right.x, up_left.y)
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down_left = Vector2(up_left.x, down_right.y)
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func get_spawn_position() -> Vector2:
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var side = randi() % 4
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var spawn_x
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var spawn_y
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if side == 0:
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# oben
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spawn_x = randf_range(up_left.x, up_right.x)
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spawn_y = up_left.y
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elif side == 1:
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# rechts
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spawn_x = up_right.x
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spawn_y = randf_range(up_right.y, down_right.y)
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elif side == 2:
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#unten
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spawn_x = randf_range(up_left.x, up_right.x)
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spawn_y = down_left.y
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elif side == 3:
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#links
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spawn_x = up_left.x
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spawn_y = randf_range(up_right.y, down_right.y)
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return Vector2(spawn_x, spawn_y)
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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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elapsed_time += delta
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pass
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func spawn_enemy() -> void:
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var sum_weight = 0.0
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var available = []
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for entry in spawn_entries:
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if entry.min_time <= elapsed_time:
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available.append(entry)
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sum_weight += entry.weight
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var roll = randf() * sum_weight
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var winner = null
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for entry in available:
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roll -= entry.weight
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if roll <= 0:
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winner = entry
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break
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if winner == null:
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return
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var enemy = winner.enemy.instantiate()
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enemy.global_position = get_spawn_position()
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add_child(enemy)
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func _on_spawn_timer_timeout() -> void:
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spawn_enemy()
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pass # Replace with function body.
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