fix camera clipping

NEWS.md

@@ -6,6 +6,7 @@
 
 - Changes for Bonito rename and WGLMakie docs improvements [#3477](https://github.com/MakieOrg/Makie.jl/pull/3477).
 - Add stroke and glow support to scatter and text in WGLMakie [#3518](https://github.com/MakieOrg/Makie.jl/pull/3518).
+- Fix clipping issues with Camera3D when zooming in [#3529](https://github.com/MakieOrg/Makie.jl/pull/3529)
 
 ## 0.20.3
 

src/camera/camera3d.jl

@@ -168,7 +168,7 @@ function Camera3D(scene::Scene; kwargs...)
         fixed_axis = true,
         cad = false,
         center = true,
-        clipping_mode = :adaptive
+        clipping_mode = :adaptive # TODO: use bbox to adjust near/far automatically
     )
 
     replace!(settings, :Camera3D, scene, overwrites)
@@ -728,7 +728,7 @@ function update_cam!(scene::Scene, cam::Camera3D)
         far = far_dist * far
     elseif cam.settings.clipping_mode[] === :adaptive
         view_dist = norm(eyeposition - lookat)
-        near = view_dist * near; far = max(1f0, view_dist) * far
+        near = view_dist * near; far = max(radius(bounding_sphere), view_dist) * far
     elseif cam.settings.clipping_mode[] !== :static
         @error "clipping_mode = $(cam.settings.clipping_mode[]) not recognized, using :static."
     end
@@ -775,7 +775,7 @@ function update_cam!(scene::Scene, cam::Camera3D, area3d::Rect, recenter::Bool =
         cam.far[] = 2f0 * dist
     elseif cam.settings.clipping_mode[] === :adaptive
         cam.near[] = 0.1f0 * dist / norm(cam.eyeposition[] - cam.lookat[])
-        cam.far[] = 2.2f0 * dist / norm(cam.eyeposition[] - cam.lookat[])
+        cam.far[] = 2f0 * dist / radius
     end
 
     update_cam!(scene, cam)