moved renderer to separate thread, add evenio and start structure, make it so you can add stuff

src/client/init.rs

@@ -0,0 +1,73 @@
+use crate::world::component::VoxelGrid;
+use evenio::world::World;
+use nalgebra::{Rotation3, UnitVector3, Vector3};
+use ndarray::Array3;
+
+use crate::client::render::voxel::VoxelColor;
+
+use super::system::voxel_grid::SpawnVoxelGrid;
+
+pub fn init_world(world: &mut World) {
+    let dim = (15, 10, 10);
+    world.send(SpawnVoxelGrid {
+        pos: Vector3::new(0.0, 0.0, 20.0),
+        orientation: Rotation3::from_axis_angle(&Vector3::y_axis(), 0.5),
+        grid: VoxelGrid::new(Array3::from_shape_fn(dim, |(x, y, z)| {
+            if x == z && x == y {
+                VoxelColor::white()
+            } else if z == 3 {
+                VoxelColor {
+                    r: (x as f32 / dim.0 as f32 * 255.0) as u8,
+                    g: (y as f32 / dim.1 as f32 * 255.0) as u8,
+                    b: 100,
+                    a: 255,
+                }
+            } else if z == 0 {
+                VoxelColor {
+                    r: (x as f32 / dim.0 as f32 * 255.0) as u8,
+                    g: (y as f32 / dim.1 as f32 * 255.0) as u8,
+                    b: 0,
+                    a: 100,
+                }
+            } else {
+                VoxelColor::none()
+            }
+        })),
+    });
+
+    let dim = (1000, 2, 1000);
+    world.send(SpawnVoxelGrid {
+        pos: Vector3::new(0.0, -2.1, 0.0),
+        orientation: Rotation3::identity(),
+        grid: VoxelGrid::new(Array3::from_shape_fn(dim, |(x, y, z)| {
+            if y == 0 {
+                rand::random()
+            } else if (y == dim.1 - 1) && (x == 0 || x == dim.0 - 1 || z == 0 || z == dim.2 - 1) {
+                VoxelColor {
+                    r: 255,
+                    g: 0,
+                    b: 255,
+                    a: 255,
+                }
+            } else {
+                VoxelColor::none()
+            }
+        })),
+    });
+
+    let dim = (3, 3, 3);
+    world.send(SpawnVoxelGrid {
+        pos: Vector3::new(0.0, 0.0, 16.5),
+        orientation: Rotation3::from_axis_angle(&Vector3::y_axis(), std::f32::consts::PI / 4.0)
+            * Rotation3::from_axis_angle(
+                &UnitVector3::new_normalize(Vector3::new(1.0, 0.0, 1.0)),
+                std::f32::consts::PI / 4.0,
+            ),
+        grid: VoxelGrid::new(Array3::from_shape_fn(dim, |(..)| VoxelColor {
+            r: 255,
+            g: 0,
+            b: 255,
+            a: 255,
+        })),
+    });
+}