Babylon.js/Playground/scripts/instanced bones.js

var createScene = function () {
    var scene = new BABYLON.Scene(engine);
    var light = new BABYLON.DirectionalLight("dir01", new BABYLON.Vector3(0, -0.5, -1.0), scene);
    var camera = new BABYLON.ArcRotateCamera("Camera", 0, 0, 10, new BABYLON.Vector3(0, 30, 0), scene);
    
    camera.attachControl(canvas, false);
    camera.setPosition(new BABYLON.Vector3(20, 70, 120));
    light.position = new BABYLON.Vector3(50, 250, 200);
	light.shadowOrthoScale = 2.0;
    camera.minZ = 1.0;

    scene.ambientColor = new BABYLON.Color3(0.3, 0.3, 0.3);

    // Ground
    var ground = BABYLON.Mesh.CreateGround("ground", 1000, 1000, 1, scene, false);
    var groundMaterial = new BABYLON.StandardMaterial("ground", scene);
    groundMaterial.diffuseColor = new BABYLON.Color3(0.2, 0.2, 0.2);
    groundMaterial.specularColor = new BABYLON.Color3(0, 0, 0);
    ground.material = groundMaterial;
    ground.receiveShadows = true;

    // Shadows
    var shadowGenerator = new BABYLON.ShadowGenerator(1024, light);
    shadowGenerator.useBlurExponentialShadowMap = true;

    // Dude
    BABYLON.SceneLoader.ImportMesh("him", "scenes/Dude/", "Dude.babylon", scene, function (newMeshes2, particleSystems2, skeletons2) {
        var dude = newMeshes2[0];

        for (var index = 1; index < newMeshes2.length; index++) {
            shadowGenerator.getShadowMap().renderList.push(newMeshes2[index]);
        }

        for (var count = 0; count < 50; count++) {
            var offsetX = 200 * Math.random() - 100;
            var offsetZ = 200 * Math.random() - 100;
            for (index = 1; index < newMeshes2.length; index++) {
                var instance = newMeshes2[index].createInstance("instance" + count);

                shadowGenerator.getShadowMap().renderList.push(instance);

                instance.parent = newMeshes2[index].parent;
                instance.position = newMeshes2[index].position.clone();

                if (!instance.parent.subMeshes) {
                    instance.position.x += offsetX;
                    instance.position.z -= offsetZ;
                }
            }
        }

        dude.rotation.y = Math.PI;
        dude.position = new BABYLON.Vector3(0, 0, -80);

        scene.beginAnimation(skeletons2[0], 0, 100, true, 1.0);
    });

    return scene;
};