28 lines
1,013 B
GDScript
28 lines
1,013 B
GDScript
class_name LinePattern
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extends BulletSpawnPattern
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## Spawns bullets evenly spaced out along a line segment.
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## Number of bullets to spawn along the line.
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@export var bullet_count: int
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## The speed that bullets will start with.
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@export var bullet_speed: float
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## Distance between the first and last bullet in the line.
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@export var line_width: float
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## The direction that spawned bullets will travel, orthogonal to the line of bullets.
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@export_custom(0, "direction") var line_normal: Vector2 = Vector2.RIGHT
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func _spawn_bullets(bullet_set: BulletSet, preset: BulletPreset) -> void:
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for i in bullet_count:
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var bullet = Bullet.create(preset, line_normal.rotated(bullet_set.spawn_rotation))
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bullet.speed = bullet_speed
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var line = line_normal.orthogonal().rotated(bullet_set.spawn_rotation)
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var weight = float(i) / float(bullet_count - 1)
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weight -= 0.5
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if bullet_count == 1:
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weight = 0.0
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bullet.position = bullet_set.spawn_offset + line * weight * line_width
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bullet_set.add_bullet(bullet)
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