Camera clipping is a common issue in third-person games. When the camera moves through walls or objects, it breaks immersion and can make gameplay confusing.

To solve this problem, developers use camera collision handling. This technique prevents the camera from passing through obstacles by detecting objects between the player and the camera and adjusting the camera position dynamically.

Why Camera Collision Happens

Most third-person camera systems position the camera behind the player using an offset. However, if an object appears between the player and the camera, the camera may clip through that object.

Common situations include:

• Player standing near a wall
• Camera moving through tight corridors
• Large environmental objects blocking the view

Basic Solution: Raycasting

One common method to solve camera clipping is by using Raycasting. A ray is cast from the player toward the camera. If the ray hits an obstacle, the camera moves closer to the player.

This keeps the camera outside of walls while maintaining visibility.

Simple Camera Collision Script

using UnityEngine;

public class CameraCollision : MonoBehaviour
{
    public Transform player;
    public float distance = 4f;
    public float minDistance = 1f;
    public LayerMask collisionMask;

    void LateUpdate()
    {
        Vector3 direction = (transform.position - player.position).normalized;

        Ray ray = new Ray(player.position, direction);
        RaycastHit hit;

        if (Physics.Raycast(ray, out hit, distance, collisionMask))
        {
            float adjustedDistance = Mathf.Clamp(hit.distance, minDistance, distance);
            transform.position = player.position + direction * adjustedDistance;
        }
        else
        {
            transform.position = player.position + direction * distance;
        }

        transform.LookAt(player);
    }
}

How It Works

• The script casts a ray from the player toward the camera.
• If an obstacle is detected, the camera moves closer to the player.
• If nothing blocks the view, the camera stays at its normal distance.

This keeps the camera outside walls while maintaining the correct viewing angle.

Using SphereCast for Better Results

Raycasts are sometimes too precise and may allow the camera to partially clip through objects. A better approach is using SphereCast, which checks an area instead of a single line.

Physics.SphereCast(
    player.position,
    0.3f,
    direction,
    out hit,
    distance,
    collisionMask
);

This helps prevent the camera from intersecting geometry.

Smoothing Camera Movement

Instant camera jumps can feel jarring. Smooth transitions improve the player experience.

transform.position = Vector3.Lerp(
    transform.position,
    targetPosition,
    Time.deltaTime * 10f
);

This gradually moves the camera to its new position instead of snapping instantly.

Alternative: Using Cinemachine

Unity’s Cinemachine camera system already includes built‑in collision handling.

Simply add a Cinemachine Collider component to your virtual camera. It automatically:

• Prevents clipping through objects
• Pushes the camera forward when obstacles appear
• Smoothly returns to the original position

For many projects, Cinemachine is the easiest and most reliable solution.

Common Camera Collision Tips

• Use a dedicated collision layer for environment objects.
• Avoid including the player layer in collision checks.
• Smooth camera movement to avoid jitter.
• Use SphereCast instead of Raycast for better stability.

Conclusion

Camera collision handling is essential for third-person games. By detecting obstacles between the player and the camera, you can prevent clipping and maintain a clear view of gameplay.

Whether you use custom scripts with raycasting or Unity’s Cinemachine tools, proper camera collision handling significantly improves the player experience.