docs(examples): Add a debug example (jcornaz#47)

Cargo.toml

@@ -32,6 +32,10 @@ bevy = "0.4"
 name = "demo"
 required-features = ["2d"]
 
+[[example]]
+name = "debug"
+required-features = ["2d", "debug"]
+
 [[package.metadata.release.pre-release-replacements]]
 file = "CHANGELOG.md"
 search = "## \\[Unreleased\\]"

examples/debug.rs

@@ -0,0 +1,44 @@
+use bevy::prelude::*;
+
+use heron::*;
+
+fn main() {
+    App::build()
+        .add_plugins(DefaultPlugins)
+        .add_plugin(PhysicsPlugin::default()) // Add the plugin
+        .add_startup_system(spawn.system())
+        .run();
+}
+
+fn spawn(commands: &mut Commands) {
+    commands.spawn(Camera2dBundle::default());
+
+    // Sphere
+    commands
+        .spawn((Transform::default(), GlobalTransform::default()))
+        .with(Body::Sphere { radius: 50.0 })
+        .with(BodyType::Static);
+
+    // Cuboid
+    commands
+        .spawn((
+            Transform::from_translation(Vec3::unit_x() * 300.0),
+            GlobalTransform::default(),
+        ))
+        .with(Body::Cuboid {
+            half_extends: Vec2::new(50.0, 50.0).extend(0.0),
+        })
+        .with(BodyType::Static);
+
+    // Capsule
+    commands
+        .spawn((
+            Transform::from_translation(Vec3::unit_x() * -300.0),
+            GlobalTransform::default(),
+        ))
+        .with(Body::Capsule {
+            radius: 50.0,
+            half_segment: 50.0,
+        })
+        .with(BodyType::Static);
+}