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https://github.com/jcreek/CosmicClash.git
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Josh Creek
04691aaa48
Lands the non-networked Phase 0 tasks from multiplayer-todo.md (ship/camera/ arena refactors, sim constants, background FPS handling) plus a first pass at exposing graphics/performance settings (presets, resolution scaling, vsync, FPS cap, perf overlay) and a GPU profiling harness for the real-hardware follow-up in task 0.15b.
42 lines
1.6 KiB
GDScript
42 lines
1.6 KiB
GDScript
class_name HudInstrument
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extends Control
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# Shared base for the HUD's procedural instruments (heading tape, attitude
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# indicator, gauges): the exponential-smoothing weight calc and the
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# angle-aware lerp helper they all use. Each instrument still owns its own
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# _process (smoothing 1-2 distinct fields) and _draw (entirely bespoke).
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const SMOOTHING := 12.0
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# _draw does real work (text shaping, building point arrays); nobody can
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# perceive an instrument repainting faster than this, so redraws are paced
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# to it independently of the render frame rate — value smoothing itself
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# still runs every _process call, only the (expensive) repaint is throttled.
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const REDRAW_INTERVAL := 1.0 / 60.0
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var _time_since_redraw := 0.0
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static func lerp_angle_deg(from: float, to: float, weight: float) -> float:
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return rad_to_deg(lerp_angle(deg_to_rad(from), deg_to_rad(to), weight))
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# Shortest signed distance from `from` to `to` in degrees, wrapped to
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# [-180, 180]. Use this (never a plain subtraction) to decide whether an
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# angle that wraps around (heading, roll) has moved enough to redraw —
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# a naive delta gives a false-large jump at the 0/360 boundary.
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static func angle_delta_deg(from: float, to: float) -> float:
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return wrapf(to - from, -180.0, 180.0)
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func _smoothing_weight(delta: float) -> float:
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return 1.0 - exp(-SMOOTHING * delta) # frame-rate independent
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# Call instead of queue_redraw() directly once a subclass's _process has
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# decided the smoothed value moved enough to warrant a repaint.
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func _throttled_redraw(delta: float) -> void:
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_time_since_redraw += delta
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if _time_since_redraw >= REDRAW_INTERVAL:
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_time_since_redraw = 0.0
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queue_redraw()
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