Replace Kiss3d by Bevy for the testbed renderer.

build/rapier_testbed2d/Cargo.toml

@@ -27,7 +27,6 @@ other-backends = [ "wrapped2d", "nphysics2d" ]
 
 [dependencies]
 nalgebra   = { version = "0.26", features = [ "rand" ] }
-kiss3d     = { version = "0.31", features = [ "conrod" ] }
 rand       = "0.8"
 rand_pcg   = "0.3"
 instant    = { version = "0.1", features = [ "web-sys", "now" ]}
@@ -42,6 +41,18 @@ bincode = "1"
 Inflector  = "0.11"
 md5 = "0.7"
 
+bevy_egui = "0.4"
+bevy-orbit-controls = "2"
+
+# Dependencies for native only.
+[target.'cfg(not(target_arch = "wasm32"))'.dependencies]
+bevy = {version = "0.5", default-features = false, features = ["bevy_wgpu", "bevy_winit", "render", "x11"]}
+
+# Dependencies for WASM only.
+[target.'cfg(target_arch = "wasm32")'.dependencies]
+bevy = {version = "0.5", default-features = false, features = ["bevy_winit", "render"]}
+bevy_webgl2 = "0.5"
+
 [dependencies.rapier2d]
 path = "../rapier2d"
 version = "0.8"