finally realized that bevy uses right handed coords

engine/world_generation/src/heightmap.rs

@@ -2,7 +2,6 @@ use core::f32;
 
 use bevy::math::{IVec2, UVec2};
 use bevy::prelude::{FloatExt, Vec2};
-use bevy::render::render_resource::encase::internal::BufferMut;
 use bevy::utils::default;
 use noise::{NoiseFn, SuperSimplex};
 use rayon::iter::{IntoParallelIterator, ParallelIterator};

engine/world_generation/src/hex_utils.rs

@@ -72,12 +72,12 @@ impl Display for HexCoord {
 
 impl HexCoord {
 	pub const DIRECTIONS: [IVec3; 6] = [
-		IVec3::new(1, -1, 0),
-		IVec3::new(1, 0, -1),
 		IVec3::new(0, 1, -1),
-		IVec3::new(-1, 1, 0),
+		IVec3::new(1, 0, -1),
-		IVec3::new(-1, 0, 1),
+		IVec3::new(1, -1, 0),
 		IVec3::new(0, -1, 1),
+		IVec3::new(-1, 0, 1),
+		IVec3::new(-1, 1, 0),
 	];
 
 	pub const ZERO: HexCoord = HexCoord { hex: IVec3::ZERO };

engine/world_generation/src/map/mesh_chunk.rs

@@ -11,7 +11,7 @@ impl MeshChunkData {
 	pub fn get_neighbors(&self, coord: &HexCoord) -> [f32; 6] {
 		let mut data = [0.; 6];
 		let n_tiles = coord.get_neighbors();
-		for i in 6..0 {
+		for i in 0..6 {
 			let n = n_tiles[i];
 			if !n.is_in_bounds(Chunk::SIZE, Chunk::SIZE) {
 				continue;

game/buildings/src/building_plugin.rs

@@ -106,6 +106,9 @@ fn hq_placement(
 	if let Some((_e, dist)) = collision {
 		let contact_point = cam_ray.get_point(dist);
 		let contact_coord = HexCoord::from_world_pos(contact_point);
+		if !map.is_in_bounds(&contact_coord) {
+			return;
+		}
 		let positions = map.hex_select(&contact_coord, 3, true, |pos, h, _| pos.to_world(h));
 		show_indicators(positions, &mut commands, &indicator);
 

game/main/src/camera_system/camera_plugin.rs

@@ -31,7 +31,7 @@ fn setup(mut commands: Commands, mut msaa: ResMut<Msaa>) {
 	commands
 		.spawn((
 			Camera3dBundle {
-				transform: Transform::from_xyz(0., 30., 0.).looking_to(Vec3::Z, Vec3::Y),
+				transform: Transform::from_xyz(0., 30., 0.).looking_to(Vec3::NEG_Z, Vec3::Y),
 				..default()
 			},
 			PhosCamera::default(),
@@ -138,15 +138,15 @@ fn rts_camera_system(
 	let mut cam_pos = cam.translation;
 
 	if key.pressed(KeyCode::KeyA) {
-		cam_move.x = 1.;
-	} else if key.pressed(KeyCode::KeyD) {
 		cam_move.x = -1.;
+	} else if key.pressed(KeyCode::KeyD) {
+		cam_move.x = 1.;
 	}
 
 	if key.pressed(KeyCode::KeyW) {
-		cam_move.z = 1.;
-	} else if key.pressed(KeyCode::KeyS) {
 		cam_move.z = -1.;
+	} else if key.pressed(KeyCode::KeyS) {
+		cam_move.z = 1.;
 	}
 
 	let move_speed = if key.pressed(KeyCode::ShiftLeft) {
@@ -156,7 +156,7 @@ fn rts_camera_system(
 	};
 
 	cam_move = cam_move.normalize_or_zero() * move_speed * time.delta_seconds();
-	cam_pos -= cam_move;
+	cam_pos += cam_move;
 
 	let mut scroll = 0.0;
 	for e in wheel.read() {
@@ -209,8 +209,11 @@ fn rts_camera_system(
 		cam_targets.rotate_time = cam_targets.rotate_time.min(1.);
 	}
 	let angle = cam_cfg.min_angle.lerp(cam_cfg.max_angle, t);
-	let rot = Quat::from_axis_angle(Vec3::X, -angle);
+	let mut rot = cam.rotation.to_euler(EulerRot::XYZ);
-	cam.rotation = rot;
+	rot.0 = -angle;
+	cam.rotation = Quat::from_euler(EulerRot::XYZ, rot.0, rot.1, rot.2);
+	// let rot = Quat::from_axis_angle(Vec3::X, -angle);
+	// cam.rotation = rot;
 
 	cam.translation = cam_pos;
 }

game/main/src/camera_system/components.rs

@@ -38,7 +38,7 @@ impl Default for PhosCameraTargets {
 	fn default() -> Self {
 		Self {
 			height: Default::default(),
-			forward: Vec3::Z,
+			forward: Vec3::NEG_Z,
 			last_height: Default::default(),
 			anim_time: Default::default(),
 			rotate_time: Default::default(),

game/main/src/map_rendering/map_init.rs

@@ -55,7 +55,7 @@ impl Plugin for MapInitPlugin {
 		app.register_asset_reflect::<ExtendedMaterial<StandardMaterial, WaterMaterial>>();
 		app.add_plugins((
 			ChunkRebuildPlugin,
-			TerraFormingTestPlugin,
+			// TerraFormingTestPlugin,
 			MaterialPlugin::<ExtendedMaterial<StandardMaterial, ChunkMaterial>>::default(),
 			MaterialPlugin::<ExtendedMaterial<StandardMaterial, WaterMaterial>> {
 				prepass_enabled: false,

game/main/src/map_rendering/terraforming_test.rs

@@ -69,6 +69,9 @@ fn deform(
 		let span = info_span!("Deform Mesh").entered();
 		let contact_point = cam_ray.get_point(dist);
 		let contact_coord = HexCoord::from_world_pos(contact_point);
+		if !heightmap.is_in_bounds(&contact_coord) {
+			return;
+		}
 		let modified_tiles = heightmap.create_crater(&contact_coord, 5, 5. * multi);
 		let mut chunk_set: HashSet<usize> = HashSet::new();
 		for (tile, height) in modified_tiles {

game/main/src/utlis/debug_plugin.rs

@@ -81,7 +81,9 @@ fn show_tile_heights(
 	if let Some((_e, dist)) = collision {
 		let contact_point = cam_ray.get_point(dist);
 		let contact_coord = HexCoord::from_world_pos(contact_point);
-		if map.is_in_bounds(&contact_coord) {
+		if !map.is_in_bounds(&contact_coord) {
+			return;
+		}
 		let height = map.sample_height(&contact_coord);
 		gizmos.primitive_3d(
 			&shape.0,
@@ -89,17 +91,24 @@ fn show_tile_heights(
 			Quat::IDENTITY,
 			Color::WHITE,
 		);
-		}
 		let nbors = map.get_neighbors(&contact_coord);
+		let contact_tile_pos = contact_coord.to_world(map.sample_height(&contact_coord));
+
 		for i in 0..6 {
 			if let Some(s) = nbors[i] {
 				let coord = contact_coord.get_neighbor(i);
 				let p = coord.to_world(s);
 				gizmos.arrow(p, p + Vec3::Y * (i as f32 + 1.0), Color::WHITE);
 			}
+
+			let p = HEX_CORNERS[i] + contact_tile_pos;
+			gizmos.arrow(p, p + Vec3::Y * (i as f32 + 1.0), LinearRgba::rgb(1.0, 0.0, 0.5));
 		}
 
-		gizmos.sphere(contact_point, Quat::IDENTITY, 0.1, Srgba::rgb(1., 0., 0.5));
+		gizmos.line(contact_point, contact_point + Vec3::X, LinearRgba::RED);
+		gizmos.line(contact_point, contact_point + Vec3::Y, LinearRgba::GREEN);
+		gizmos.line(contact_point, contact_point + Vec3::Z, LinearRgba::BLUE);
+		//gizmos.sphere(contact_point, Quat::IDENTITY, 0.1, LinearRgba::rgb(1., 0., 0.5));
 	}
 }