Physics Raycasting

// Cast a ray through the physics world
const origin = new BABYLON.Vector3(0, 10, -10);
const direction = new BABYLON.Vector3(0, -1, 1).normalize();
const length = 20;
const raycastResult = scene.getPhysicsEngine().raycast(
    origin,
    direction,
    length
);

// Check if we hit something
if (raycastResult.hasHit) {
    console.log(`Hit object: ${raycastResult.body.object.name}`);
    console.log(`Hit point: ${raycastResult.hitPointWorld}`);
    console.log(`Hit normal: ${raycastResult.hitNormalWorld}`);
    console.log(`Hit distance: ${raycastResult.hitDistance}`);
}

// Visualize the ray
const rayHelper = new BABYLON.RayHelper(new BABYLON.Ray(origin, direction, length));
rayHelper.show(scene);

// Interactive raycasting with mouse click
scene.onPointerDown = (evt, pickResult) => {
    if (pickResult.hit) {
        // Cast ray from camera through click point
        const ray = scene.createPickingRay(
            scene.pointerX,
            scene.pointerY,
            BABYLON.Matrix.Identity(),
            camera
        );
        
        const raycastResult = scene.getPhysicsEngine().raycast(
            ray.origin,
            ray.direction,
            100
        );
        
        if (raycastResult.hasHit) {
            // Apply force at hit point
            const hitBody = raycastResult.body;
            const hitPoint = raycastResult.hitPointWorld;
            const force = ray.direction.scale(50); // Force strength
            
            hitBody.applyForce(force, hitPoint);
        }
    }
};