feat: still playback mode

src/gaussian/settings.rs

@@ -61,6 +61,7 @@ pub enum PlaybackMode {
     Loop,
     Once,
     Sin,
+    Still,
 }
 
 
@@ -158,6 +159,9 @@ fn playback_update(
                 }
             }
             PlaybackMode::Sin => {}
+            PlaybackMode::Still => {
+                continue;
+            }
         }
 
         // forward condition
@@ -170,6 +174,7 @@ fn playback_update(
                 let y = (theta * 2.0 * std::f32::consts::PI).sin();
                 settings.time = settings.time_start + (settings.time_stop - settings.time_start) * (y + 1.0) / 2.0;
             }
+            PlaybackMode::Still => {}
         }
 
         // reset condition
@@ -181,6 +186,7 @@ fn playback_update(
             }
             PlaybackMode::Once => {}
             PlaybackMode::Sin => {}
+            PlaybackMode::Still => {}
         }
     }
 }

src/render/gaussian.wgsl

@@ -186,8 +186,8 @@ fn vs_points(
 
 #ifdef GAUSSIAN_4D
 #else
-    let origin_projected_position = world_to_clip(transformed_position);
-    discard_quad |= !in_frustum(origin_projected_position.xyz);
+    let projected_position = world_to_clip(transformed_position);
+    discard_quad |= !in_frustum(projected_position.xyz);
 #endif
 
     if (discard_quad) {

viewer/viewer.rs

@@ -33,6 +33,7 @@ use bevy_gaussian_splatting::{
     PlanarGaussian3dHandle,
     PlanarGaussian4dHandle,
     gaussian::interface::TestCloud,
+    gaussian::settings::PlaybackMode,
     random_gaussians_3d,
     random_gaussians_4d,
     utils::{
@@ -108,6 +109,7 @@ fn setup_gaussian_cloud(
                 PlanarGaussian4dHandle(cloud),
                 CloudSettings {
                     gaussian_mode: args.gaussian_mode,
+                    playback_mode: PlaybackMode::Sin,
                     ..default()
                 },
                 Name::new("gaussian_cloud_4d"),