67e64c79cf
After visual verification 2026-05-18 (turn lag, coast-and-settle, slope-tilt, jump tracking with contact-plane projection all working), make the retail chase camera the default. Legacy ChaseCamera stays available via the DebugPanel toggle (ACDREAM_RETAIL_CHASE=0 or the checkbox) pending a follow-up deletion commit. Env var polarity now matches AlignToSlope: default-on if unset, off only when explicitly "0". Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
68 lines
2.9 KiB
C#
68 lines
2.9 KiB
C#
using System;
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namespace AcDream.Core.Rendering;
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/// <summary>
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/// Runtime-tunable knobs for the retail-faithful chase camera. Mirrors
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/// the <see cref="AcDream.Core.Physics.PhysicsDiagnostics"/> pattern:
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/// static fields seeded from env vars at process start, runtime-settable
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/// via property setters that the DebugPanel writes to.
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///
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/// <para>
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/// Spec: <c>docs/superpowers/specs/2026-05-18-retail-chase-camera-design.md</c>.
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/// </para>
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/// </summary>
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public static class CameraDiagnostics
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{
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/// <summary>
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/// Master toggle. When true (default, after visual ship 2026-05-18)
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/// the retail-faithful <c>AcDream.App.Rendering.RetailChaseCamera</c>
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/// is the active chase camera; when false, the legacy
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/// <c>AcDream.App.Rendering.ChaseCamera</c> rigid-follow camera is.
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/// Initial state from <c>ACDREAM_RETAIL_CHASE</c> — default-on if
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/// unset, off only when explicitly set to <c>"0"</c>. The legacy
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/// camera stays available via the DebugPanel toggle pending the
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/// follow-up deletion commit.
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/// </summary>
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public static bool UseRetailChaseCamera { get; set; } =
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Environment.GetEnvironmentVariable("ACDREAM_RETAIL_CHASE") != "0";
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/// <summary>
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/// When true (default), the camera basis follows the player's
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/// 5-frame averaged velocity vector — tilts with the terrain on
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/// hills. When false, the basis is built from a flat (yaw, 0) vector
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/// and the camera stays horizontal even on slopes. Initial state
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/// from <c>ACDREAM_CAMERA_ALIGN_SLOPE</c>; default-on if unset.
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/// </summary>
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public static bool AlignToSlope { get; set; } =
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Environment.GetEnvironmentVariable("ACDREAM_CAMERA_ALIGN_SLOPE") != "0";
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/// <summary>
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/// Per-frame translation damping rate. Retail default 0.45. Higher
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/// (→ 1.0) snaps faster; lower (→ 0.0) lags more. Formula per frame:
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/// <c>alpha = clamp(TranslationStiffness * dt * 10, 0, 1)</c>.
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/// </summary>
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public static float TranslationStiffness { get; set; } = 0.45f;
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/// <summary>
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/// Per-frame rotation damping rate. Independent of translation —
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/// can be tuned higher so the camera swings to look at you faster
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/// than it physically catches up. Retail default 0.45.
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/// </summary>
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public static float RotationStiffness { get; set; } = 0.45f;
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/// <summary>
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/// Mouse-delta low-pass window (seconds). Mouse deltas spaced
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/// closer than this are averaged with the previous delta before
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/// being fed to pitch/yaw adjustments. Smooths out jitter on
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/// high-DPI mice. Retail default 0.25.
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/// </summary>
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public static float MouseLowPassWindowSec { get; set; } = 0.25f;
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/// <summary>
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/// Per-second rate that held-key offset adjustments
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/// (CameraZoomIn/Out, CameraRaise/Lower) integrate into the
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/// camera's Distance / Pitch. Retail default 40.0.
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/// </summary>
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public static float CameraAdjustmentSpeed { get; set; } = 40.0f;
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}
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