🐛 Fix scale factor on the airplane

Add a little truck that drives around.

src/bin/pumpkin.rs

@@ -108,6 +108,8 @@ impl ControllerState {
 				key_or_gamepad (Scancode::Right, Button::DPadRight),
 				key_or_gamepad (Scancode::Up, Button::DPadUp),
 				key_or_gamepad (Scancode::Down, Button::DPadDown),
+				b (Button::LeftShoulder),
+				b (Button::RightShoulder),
 			],
 			analog_left_x: axis_or_zero (Axis::LeftX),
 			analog_left_y: axis_or_zero (Axis::LeftY),
@@ -176,6 +178,12 @@ impl ControllerState {
 		if self.is_pressed (KEY_DOWN) {
 			delta = delta.mul_quat (Quat::from_rotation_x (spin_f));
 		}
+		if self.is_pressed (YAW_LEFT) {
+			delta = delta.mul_quat (Quat::from_rotation_z (spin_f));
+		}
+		if self.is_pressed (YAW_RIGHT) {
+			delta = delta.mul_quat (Quat::from_rotation_z (-spin_f));
+		}
 		
 		//println! ("spin_f {}, Quat {:?}", spin_f, delta);
 		
@@ -225,6 +233,8 @@ struct Airplane {
 }
 
 struct FlightState {
+	frames: u64,
+	
 	airplane: Airplane,
 	spin_speed: i32,
 	arrows: Vec <Arrow>,
@@ -234,6 +244,8 @@ struct FlightState {
 impl Default for FlightState {
 	fn default () -> Self {
 		Self {
+			frames: 0,
+			
 			airplane: Airplane {
 				pos: (0.0, -20.0, 20.0).into (),
 				vel: (0.0, 0.0, 0.0).into (),
@@ -337,6 +349,8 @@ impl FlightState {
 				);
 			}
 		}
+		
+		self.frames += 1;
 	}
 }
 
@@ -470,6 +484,7 @@ struct GameGraphics {
 	mesh_sky: RenderableModel,
 	mesh_pitch: RenderableModel,
 	mesh_arrow: RenderableModel,
+	mesh_truck: RenderableModel,
 	
 	texture_sky: Texture,
 	texture_grass: Texture,
@@ -535,6 +550,7 @@ impl GameGraphics {
 		let mesh_sky = renderable_from_iqm_file ("sky-sphere.iqm");
 		let mesh_pitch = renderable_from_iqm_file ("pitch.iqm");
 		let mesh_arrow = renderable_from_iqm_file ("arrow.iqm");
+		let mesh_truck = renderable_from_iqm_file ("truk.iqm");
 		
 		let texture_sky = Texture::from_file ("sky.png");
 		let texture_grass = Texture::from_file ("grass.png");
@@ -795,6 +811,7 @@ impl GameGraphics {
 			mesh_sky,
 			mesh_pitch,
 			mesh_arrow,
+			mesh_truck,
 			
 			texture_sky,
 			texture_grass,
@@ -853,7 +870,7 @@ impl GameGraphics {
 		
 		let proj_mat = Mat4::perspective_rh_gl (30.0f32.to_radians (), screen_size.0 / screen_size.1, 0.125, 200.0);
 		
-		let airplane_scale = 1.0 / 128.0;
+		let airplane_scale = 1.0 / 8.0;
 		
 		let view_mat = match state.play_mode {
 			PlayMode::WindTunnel => {
@@ -863,14 +880,16 @@ impl GameGraphics {
 				let latitude = (state.camera.altitude - 90.0).to_radians ();
 				
 				proj_mat *
-				Mat4::from_translation (Vec3::from ((0.0, 0.0, -8.0))) *
+				Mat4::from_translation (Vec3::from ((0.0, 0.0, -20.0))) *
 				Mat4::from_rotation_x (latitude) *
 				Mat4::from_rotation_z (longitude) *
 				Mat4::from_translation ((0.0, 0.0, -2.7 * 0.5).into ())
 			},
 			PlayMode::FreeFlight => {
+				
+				
 				proj_mat *
-				Mat4::from_translation (Vec3::from ((0.0, -4.8, -32.0)) * airplane_scale) *
+				Mat4::from_translation (Vec3::from ((0.0, -1.2, -8.0)) * airplane_scale) *
 				Mat4::from_rotation_x (state.flight.lookaround.altitude.to_radians ()) *
 				Mat4::from_rotation_y (state.flight.lookaround.azimuth.to_radians ()) *
 				Mat4::from_rotation_x (-90.0f32.to_radians ()) *
@@ -881,6 +900,13 @@ impl GameGraphics {
 		let airplane_model_mat = airplane_model_mat * 
 		Mat4::from_scale ((airplane_scale, airplane_scale, airplane_scale).into ());
 		
+		let truck_model_mat = 
+		Mat4::from_rotation_z ((state.flight.frames as f32).to_radians ()) *
+		Mat4::from_translation (Vec3::from ((1.0, 0.0, 0.0)))
+		;
+		let inverse_truck = truck_model_mat.inverse ();
+		let truck_model_mat = truck_model_mat * Mat4::from_scale ((airplane_scale, airplane_scale, airplane_scale).into ());
+		
 		let world_model_mat = Mat4::identity ();
 		
 		use uniforms::*;
@@ -891,23 +917,41 @@ impl GameGraphics {
 			let unis = shader_vars.unis;
 			let attrs = shader_vars.attrs;
 			
+			let gunmetal_grey = color_from_255 ((133.0, 149.0, 161.0));
+			glezz::uniform_3fv (unis [&ALBEDO], &gunmetal_grey);
+			
+			glezz::uniform_3fv (unis [&MIN_BRIGHT], &black);
+			glezz::uniform_3fv (unis [&MIN_ALBEDO], &white);
+			
+			{
 				let mvp = view_mat * airplane_model_mat;
 				glezz::uniform_matrix_4fv (unis [&MVP], &mvp);
 				
 				let object_space_light = make_object_space_vec (&inverse_airplane, &light);
 				let object_space_sky = make_object_space_vec (&inverse_airplane, &Vec3::from ((0.0, 0.0, 1.0)));
 				
-			glezz::uniform_3fv (unis [&MIN_BRIGHT], &black);
-			glezz::uniform_3fv (unis [&MIN_ALBEDO], &white);
 				glezz::uniform_3fv (unis [&OBJECT_SPACE_LIGHT], &object_space_light);
 				glezz::uniform_3fv (unis [&OBJECT_SPACE_SKY], &object_space_sky);
 				
-			let gunmetal_grey = color_from_255 ((133.0, 149.0, 161.0));
-			glezz::uniform_3fv (unis [&ALBEDO], &gunmetal_grey);
-			
 				self.mesh_airplane.draw_all (attrs, |_i| {
 					true
 				});
+			}
+			
+			{
+				let mvp = view_mat * truck_model_mat;
+				glezz::uniform_matrix_4fv (unis [&MVP], &mvp);
+				
+				let object_space_light = make_object_space_vec (&inverse_truck, &light);
+				let object_space_sky = make_object_space_vec (&inverse_truck, &Vec3::from ((0.0, 0.0, 1.0)));
+				
+				glezz::uniform_3fv (unis [&OBJECT_SPACE_LIGHT], &object_space_light);
+				glezz::uniform_3fv (unis [&OBJECT_SPACE_SKY], &object_space_sky);
+				
+				self.mesh_truck.draw_all (attrs, |_| {
+					true
+				});
+			}
 			
 			let mvp = view_mat * world_model_mat;
 			glezz::uniform_matrix_4fv (unis [&MVP], &mvp);
@@ -947,6 +991,11 @@ impl GameGraphics {
 			
 			self.mesh_airplane.draw_all (attrs, |_| true);
 			
+			let mvp = view_mat * truck_model_mat;
+			glezz::uniform_matrix_4fv (unis [&MVP], &mvp);
+			
+			self.mesh_truck.draw_all (attrs, |_| true);
+			
 			let mvp = view_mat * world_model_mat;
 			glezz::uniform_matrix_4fv (unis [&MVP], &mvp);