initial (bad) voxel renderer

2024-06-04 12:11:28 -04:00
commit 7ae6a01949
31 changed files with 4268 additions and 0 deletions
--- a/src/client/handle_input.rs
+++ b/src/client/handle_input.rs
@@ -0,0 +1,83 @@
+use std::time::Duration;
+
+use nalgebra::{Rotation3, Vector3};
+use winit::{keyboard::KeyCode as Key, window::CursorGrabMode};
+
+use super::Client;
+
+impl Client<'_> {
+    pub fn handle_input(&mut self, dt: &Duration) {
+        let dt = dt.as_secs_f32();
+        let Client { input, state, .. } = self;
+        if input.just_pressed(Key::Escape) {
+            if let Some(window) = &self.window {
+                self.grabbed_cursor = !self.grabbed_cursor;
+                let mode = if self.grabbed_cursor {
+                    window.set_cursor_visible(false);
+                    CursorGrabMode::Locked
+                } else {
+                    window.set_cursor_visible(true);
+                    CursorGrabMode::None
+                };
+                window.set_cursor_grab(mode).expect("wah");
+            }
+            return;
+        }
+        if self.grabbed_cursor {
+            let delta = input.mouse_delta;
+            if delta.x != 0.0 {
+                state.camera.orientation =
+                    Rotation3::from_axis_angle(&state.camera.up(), delta.x * 0.003)
+                        * state.camera.orientation;
+            }
+            if delta.y != 0.0 {
+                state.camera.orientation =
+                    Rotation3::from_axis_angle(&state.camera.right(), delta.y * 0.003)
+                        * state.camera.orientation;
+            }
+        }
+        let rot_dist = 1.0 * dt;
+        if input.pressed(Key::KeyQ) {
+            state.camera.orientation =
+                Rotation3::from_axis_angle(&state.camera.forward(), rot_dist)
+                    * state.camera.orientation;
+        }
+        if input.pressed(Key::KeyE) {
+            state.camera.orientation =
+                Rotation3::from_axis_angle(&state.camera.forward(), -rot_dist)
+                    * state.camera.orientation;
+        }
+        if input.scroll_delta != 0.0 {
+            state.camera_scroll += input.scroll_delta;
+            state.camera.scale = (state.camera_scroll * 0.2).exp();
+        }
+        let move_dist = 10.0 * dt;
+
+        if input.pressed(Key::KeyW) {
+            state.camera.pos += *state.camera.forward() * move_dist;
+        }
+        if input.pressed(Key::KeyA) {
+            state.camera.pos += *state.camera.left() * move_dist;
+        }
+        if input.pressed(Key::KeyS) {
+            state.camera.pos += *state.camera.backward() * move_dist;
+        }
+        if input.pressed(Key::KeyD) {
+            state.camera.pos += *state.camera.right() * move_dist;
+        }
+        if input.pressed(Key::Space) {
+            state.camera.pos += *state.camera.up() * move_dist;
+        }
+        if input.pressed(Key::ShiftLeft) {
+            state.camera.pos += *state.camera.down() * move_dist;
+        }
+        if input.pressed(Key::KeyZ) {
+            state.camera_scroll += dt * 10.0;
+            state.camera.scale = (state.camera_scroll * 0.1).exp();
+        }
+        if input.pressed(Key::KeyX) {
+            state.camera_scroll -= dt * 10.0;
+            state.camera.scale = (state.camera_scroll * 0.1).exp();
+        }
+    }
+}