Movement limits

src/controller.rs

@@ -1,7 +1,6 @@
-use cgmath::Point3;
 use winit::event::{MouseButton, MouseScrollDelta, WindowEvent};
 
-use crate::camera::{Camera, DEFAULT_CAMERA_ZOOM};
+use crate::camera::Camera;
 
 const MAX_ZOOM_LEVEL: f32 = 15.0;
 
@@ -11,6 +10,7 @@ pub struct CameraController {
 	cursor_start: (f32, f32),
 	movement: (f32, f32),
 	is_moving: bool,
+	movement_level: (f32, f32),
 	zoom_level: f32,
 }
 
@@ -22,6 +22,7 @@ impl CameraController {
 			cursor_start: (0.0, 0.0),
 			movement: (0.0, 0.0),
 			is_moving: false,
+			movement_level: (0.0, 0.0),
 			zoom_level: 1.0,
 		}
 	}
@@ -44,7 +45,7 @@ impl CameraController {
 					self.cursor_start = (position.x as f32, position.y as f32);
 				}
 
-				self.movement = match self.is_moving {
+				let (x, y) = match self.is_moving {
 					true => {
 						let x = -self.cursor_start.0 + position.x as f32;
 						let x = x * 0.000001;
@@ -69,6 +70,8 @@ impl CameraController {
 					}
 				};
 
+				self.movement = (x, y);
+
 				true
 			}
 			WindowEvent::MouseWheel { delta, .. } => match delta {
@@ -99,11 +102,21 @@ impl CameraController {
 			camera.eye -= forward_norm * self.speed;
 		}
 
-		camera.eye.x += self.movement.0;
-		camera.eye.y += self.movement.1;
+		self.movement_level.0 += self.movement.0;
+		self.movement_level.1 += self.movement.1;
 
-		camera.target.x += self.movement.0;
-		camera.target.y += self.movement.1;
+		if self.movement_level.0 > -1.0 && self.movement_level.0 < 1.0 {
+			camera.eye.x += self.movement.0;
+			camera.target.x += self.movement.0;
+		}
+
+		if self.movement_level.1 > -1.0 && self.movement_level.1 < 1.0 {
+			camera.eye.y += self.movement.1;
+			camera.target.y += self.movement.1;
+		}
+
+		self.movement_level.0 = self.movement_level.0.clamp(-1.0, 1.0);
+		self.movement_level.1 = self.movement_level.1.clamp(-1.0, 1.0);
 
 		self.forward = 0.0;
 	}

src/state.rs

@@ -4,8 +4,7 @@ use pollster::FutureExt;
 use wgpu::util::DeviceExt;
 use winit::{
 	event::{ElementState, WindowEvent},
-	keyboard::{Key, KeyCode, NamedKey},
-	platform::modifier_supplement::KeyEventExtModifierSupplement,
+	keyboard::Key,
 	window::Window,
 };