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https://github.com/jcreek/CosmicClash.git
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Josh Creek
36 lines
1.5 KiB
GDScript
36 lines
1.5 KiB
GDScript
class_name ArenaBoundary
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extends StaticBody3D
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# The standard arena play volume (inner faces of the enclosure). Every arena
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# instances objects/arena_boundary.tscn so all arenas share one size; code
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# that needs field dimensions derives them from these constants rather than
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# restating numbers.
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const INNER_HALF_X := 12.0
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const INNER_HALF_Z := 18.0
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const INNER_HEIGHT := 12.0
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# Goal-centre distance from arena centre; the end walls sit 1 m behind, so a
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# ball pinned against them still overlaps the goal sensor.
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const GOAL_LINE_Z := 17.0
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@onready var _wall_pos_x: MeshInstance3D = $WallPosXMesh
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@onready var _wall_neg_x: MeshInstance3D = $WallNegXMesh
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@onready var _wall_pos_z: MeshInstance3D = $WallPosZMesh
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@onready var _wall_neg_z: MeshInstance3D = $WallNegZMesh
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@onready var _ceiling: MeshInstance3D = $CeilingMesh
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func _process(_delta: float) -> void:
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# The translucent field material tints everything behind it, so any face
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# the camera has crossed to the outside of is hidden entirely — looking
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# into the arena from outside stays clear, while faces seen from inside
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# keep their tint. Collision is untouched; only the meshes toggle.
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var camera := get_viewport().get_camera_3d()
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if camera == null:
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return # headless (RL/CI) has no camera
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var p := to_local(camera.global_position)
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_wall_pos_x.visible = p.x < INNER_HALF_X
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_wall_neg_x.visible = p.x > -INNER_HALF_X
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_wall_pos_z.visible = p.z < INNER_HALF_Z
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_wall_neg_z.visible = p.z > -INNER_HALF_Z
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_ceiling.visible = p.y < INNER_HEIGHT
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