Update rand requirement from 0.7 to 0.8 (#1114)

* Update rand requirement from 0.7 to 0.8

* Update examples' usage of Rng::gen_range

Author: CAD97

Cargo.toml

@@ -81,7 +81,7 @@ bevy_internal = {path = "crates/bevy_internal", version = "0.4.0", default-featu
 
 [dev-dependencies]
 anyhow = "1.0"
-rand = "0.7.3"
+rand = "0.8.0"
 ron = "0.6.2"
 serde = {version = "1", features = ["derive"]}
 

crates/bevy_asset/Cargo.toml

@@ -34,7 +34,7 @@ thiserror = "1.0"
 downcast-rs = "1.2.0"
 notify = { version = "5.0.0-pre.2", optional = true }
 parking_lot = "0.11.0"
-rand = "0.7.3"
+rand = "0.8.0"
 
 [target.'cfg(target_arch = "wasm32")'.dependencies]
 wasm-bindgen = { version = "0.2" }

crates/bevy_ecs/Cargo.toml

@@ -21,7 +21,7 @@ bevy_tasks = { path = "../bevy_tasks", version = "0.4.0" }
 bevy_utils = { path = "../bevy_utils", version = "0.4.0" }
 bevy_ecs_macros = { path = "macros", version = "0.4.0" }
 fxhash = "0.2"
-rand = "0.7.3"
+rand = "0.8.0"
 serde = "1.0"
 thiserror = "1.0"
 fixedbitset = "0.3.1"

examples/2d/contributors.rs

@@ -66,8 +66,8 @@ fn setup(
     let mut rnd = rand::thread_rng();
 
     for name in contribs {
-        let pos = (rnd.gen_range(-400.0, 400.0), rnd.gen_range(0.0, 400.0));
-        let dir = rnd.gen_range(-1.0, 1.0);
+        let pos = (rnd.gen_range(-400.0..400.0), rnd.gen_range(0.0..400.0));
+        let dir = rnd.gen_range(-1.0..1.0);
         let velocity = Vec3::new(dir * 500.0, 0.0, 0.0);
         let col = gen_color(&mut rnd);
 
@@ -254,7 +254,7 @@ fn collision_system(
         if bottom < ground {
             t.translation.y = ground + SPRITE_SIZE / 2.0;
             // apply an impulse upwards
-            v.translation.y = rnd.gen_range(700.0, 1000.0);
+            v.translation.y = rnd.gen_range(700.0..1000.0);
         }
         if top > ceiling {
             t.translation.y = ceiling - SPRITE_SIZE / 2.0;
@@ -312,9 +312,9 @@ fn contributors() -> Contributors {
 /// Because there is no `Mul<Color> for Color` instead `[f32; 3]` is
 /// used.
 fn gen_color(rng: &mut impl Rng) -> [f32; 3] {
-    let r = rng.gen_range(0.2, 1.0);
-    let g = rng.gen_range(0.2, 1.0);
-    let b = rng.gen_range(0.2, 1.0);
+    let r = rng.gen_range(0.2..1.0);
+    let g = rng.gen_range(0.2..1.0);
+    let b = rng.gen_range(0.2..1.0);
     let v = Vec3::new(r, g, b);
     v.normalize().into()
 }

examples/3d/spawner.rs

@@ -56,15 +56,15 @@ fn setup(
             mesh: cube_handle.clone(),
             material: materials.add(StandardMaterial {
                 albedo: Color::rgb(
-                    rng.gen_range(0.0, 1.0),
-                    rng.gen_range(0.0, 1.0),
-                    rng.gen_range(0.0, 1.0),
+                    rng.gen_range(0.0..1.0),
+                    rng.gen_range(0.0..1.0),
+                    rng.gen_range(0.0..1.0),
                 ),
                 ..Default::default()
             }),
             transform: Transform::from_xyz(
-                rng.gen_range(-50.0, 50.0),
-                rng.gen_range(-50.0, 50.0),
+                rng.gen_range(-50.0..50.0),
+                rng.gen_range(-50.0..50.0),
                 0.0,
             ),
             ..Default::default()