Station 0 Dev
342175f4c3
Includes full design documentation (ARCHITECTURE, DESIGN_NOTES, CONTENT_SPEC, PRODUCTION_NOTES) and active Godot 4 / GDScript codebase. Core systems built: player, floor generation, room system, enemy base, body part upgrades, run manager, save system, HUD, EventBus.
90 lines
3.1 KiB
GDScript
90 lines
3.1 KiB
GDScript
extends Area2D
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# Set by player on spawn
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var direction: Vector2 = Vector2.RIGHT
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var damage: float = 3.5
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var speed: float = 520.0
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var max_range: float = 400.0
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# Behavior flags (set from player stats)
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var ricochet: bool = false
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var explosive: bool = false
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var explosion_radius: float = 64.0
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var explosion_damage: float = 2.5
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var _distance_traveled: float = 0.0
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var _bounces_left: int = 1
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var _bounce_cooldown: float = 0.0 # grace period after bounce to avoid re-trigger
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func _ready() -> void:
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rotation = direction.angle()
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body_entered.connect(_on_body_entered)
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func _physics_process(delta: float) -> void:
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_bounce_cooldown = maxf(_bounce_cooldown - delta, 0.0)
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if ricochet and _bounces_left > 0 and _bounce_cooldown == 0.0:
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_check_wall_bounce(delta)
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var move := direction * speed * delta
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position += move
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_distance_traveled += move.length()
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if _distance_traveled >= max_range:
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queue_free()
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# ---------------------------------------------------------------------------
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# Ricochet — raycast lookahead to get wall normal before physically touching
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# ---------------------------------------------------------------------------
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func _check_wall_bounce(delta: float) -> void:
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var space := get_world_2d().direct_space_state
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var reach := speed * delta + 6.0
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var params := PhysicsRayQueryParameters2D.create(
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global_position,
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global_position + direction * reach,
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1 # collision_mask: walls on layer 1
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)
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var result := space.intersect_ray(params)
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if result and result["collider"] is StaticBody2D:
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direction = direction.bounce(result["normal"])
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rotation = direction.angle()
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_bounces_left -= 1
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_bounce_cooldown = 0.1
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# ---------------------------------------------------------------------------
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# Placeholder visual — yellow circle
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# ---------------------------------------------------------------------------
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func _draw() -> void:
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draw_circle(Vector2.ZERO, 5.0, Color(1.0, 0.85, 0.2))
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# ---------------------------------------------------------------------------
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# Collision — differentiate walls from enemies
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# ---------------------------------------------------------------------------
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func _on_body_entered(body: Node) -> void:
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if body is StaticBody2D:
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# Wall hit — ignore during bounce cooldown (already reflected by raycast)
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if _bounce_cooldown > 0.0:
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return
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if not ricochet or _bounces_left <= 0:
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queue_free()
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return
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if body.has_method("take_damage"):
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body.take_damage(damage)
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if explosive:
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_explode()
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queue_free()
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# ---------------------------------------------------------------------------
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# Explosive — AoE damage to all enemies in radius
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# ---------------------------------------------------------------------------
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func _explode() -> void:
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var space := get_world_2d().direct_space_state
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var query := PhysicsShapeQueryParameters2D.new()
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var circle := CircleShape2D.new()
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circle.radius = explosion_radius
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query.shape = circle
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query.transform = Transform2D(0.0, global_position)
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query.collision_mask = 1
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for r in space.intersect_shape(query):
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var c = r["collider"]
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if c.has_method("take_damage"):
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c.take_damage(explosion_damage)
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