玩家可穿行地形bug求助：爬坡或地形微升时触发问题

Hey there, let's tackle this frustrating terrain clipping bug you're stuck with—nothing's more annoying than movement glitches that only pop up in specific terrain setups, right? Based on what you've shared, here's a targeted breakdown of checks and fixes to try, leveraging the assets you have on hand:

First, let's ground our checks in your available assets: #

You mentioned having normal/bug views, terrain options, and player options—these are perfect for narrowing down the root cause.

1. Deep Dive into Terrain Collision Settings (using your terrain options)

• Double-check if raised terrain sections have continuous collision detection (CCD) enabled. Hills and sloped ground often have abrupt height changes that can outpace the default collision update rate, letting the player slip through.
• Verify that the terrain's collision mesh resolution matches its visual mesh. Optimized low-res collision meshes sometimes create tiny gaps on uneven ground—these are exactly where clipping happens.
• Confirm collision layer masks are set correctly: Make sure the player's collision layer is set to interact with the terrain's layer (no accidental exclusions here!).

2. Inspect Player Movement & Collision (using your player options)

• Take a look at the player's capsule collider dimensions: If the capsule is too tall or narrow, it might clip over terrain crests when moving uphill/downhill. Try tweaking the radius or height slightly to see if that closes the gap.
• Check movement speed vs. physics timestep. If the player moves faster than the engine's fixed update rate (FixedUpdate in Unity, for example), they can "skip" collision checks on uneven terrain. Adjusting fixedDeltaTime or adding subtle movement smoothing could fix this.
• If you're using a character controller, verify its slope limit setting. A slope limit that's too high might let the player clip through terrain when ascending steep hills.

3. Cross-Reference Normal vs. Bug View Assets

• Compare the terrain's heightmap in normal and bug views: Look for any mismatches where the visual terrain sits higher/lower than the collision mesh. Sometimes heightmap edits don't sync properly with collision data.
• Check the player's position in the bug view: Is the collider partially embedded, or fully through the terrain? This tells you if it's a collision detection gap or a movement calculation error.

Additional Fixes (since standard ones didn't work) #

• Add slope-aware collision correction: Implement a short raycast below the player's feet when moving over sloped terrain—if it detects the player starting to clip, nudge their position upward to keep them on top.
• If your terrain is dynamically modified, make sure collision data is refreshed after edits. Some engines require manual collision baking when terrain is altered to ensure collision meshes stay in sync.
• Test with a stripped-down player setup: Remove extra scripts (animation, camera, custom movement) to rule out conflicts that might be interfering with collision.

If you can share specific details from your assets—like exact terrain collision settings, player collider values, or screenshots showing the player's position in the bug state—we can refine these suggestions even further!

内容的提问来源于stack exchange，提问作者Disko