pixel pos now not affected by zoom, also added ability to change speed

src/client/handle_input.rs

@@ -62,13 +62,19 @@ impl Client<'_> {
                     * state.camera.orientation;
         }
         state.camera.orientation.renormalize();
+
+        // zoom
         if input.scroll_delta != 0.0 {
+            if input.pressed(Key::ControlLeft) {
                 state.camera_scroll += input.scroll_delta;
                 state.camera.scale = (state.camera_scroll * 0.2).exp();
+            } else {
+                state.speed += input.scroll_delta * 0.2;
+            }
         }
 
         // camera position
-        let move_dist = dt * (chunk::SIDE_LENGTH / 16) as f32;
+        let move_dist = dt * state.speed.exp() * (chunk::SIDE_LENGTH / 16) as f32;
         if input.pressed(Key::KeyW) {
             state.camera.pos += *state.camera.forward() * move_dist;
         }

src/client/render/voxel/ray_oct/shader/compute.wgsl

@@ -35,12 +35,11 @@ fn main(@builtin(global_invocation_id) cell: vec3<u32>) {
     }
     let view_dim_f = vec2<f32>(view_dim);
     let aspect = view_dim_f.y / view_dim_f.x;
-    let pixel_pos = vec3<f32>(
-        (vec2<f32>(cell.xy) / view_dim_f - vec2<f32>(0.5)) * vec2<f32>(2.0, -2.0 * aspect),
-        view.zoom
+    let pixel_pos = vec2<f32>(
+        (vec2<f32>(cell.xy) / view_dim_f - vec2<f32>(0.5)) * vec2<f32>(2.0, -2.0 * aspect)
     );
-    let pos = view.transform * vec4<f32>(pixel_pos, 1.0);
-    let dir = view.transform * vec4<f32>(normalize(pixel_pos), 0.0);
+    let pos = view.transform * vec4<f32>(pixel_pos, 1.0, 1.0);
+    let dir = view.transform * vec4<f32>(normalize(vec3<f32>(pixel_pos, view.zoom)), 0.0);
 
     var color = trace_full(pos, dir);
     let light_mult = clamp((-dot(dir.xyz, global_lights[0].dir) - 0.99) * 200.0, 0.0, 1.0);

src/client/state.rs

@@ -3,6 +3,7 @@ use super::camera::Camera;
 pub struct ClientState {
     pub camera: Camera,
     pub camera_scroll: f32,
+    pub speed: f32,
 }
 
 impl ClientState {
@@ -10,6 +11,7 @@ impl ClientState {
         Self {
             camera: Camera::default(),
             camera_scroll: 0.0,
+            speed: 0.0,
         }
     }
 }