CSHARP

raycast unity

RaycastHit hit;
        // Does the ray intersect any objects excluding the player layer
        if (Physics.Raycast(transform.position, transform.TransformDirection(Vector3.forward), out hit, Mathf.Infinity, layerMask))
        {
            Debug.DrawRay(transform.position, transform.TransformDirection(Vector3.forward) * hit.distance, Color.yellow);
            Debug.Log("Hit");
        }
        else
        {
            Debug.DrawRay(transform.position, transform.TransformDirection(Vector3.forward) * 1000, Color.white);
            Debug.Log("No Hit");
        }

raycasting in unity

RaycastHit hit;
        // Does the ray intersect any objects excluding the player layer
        if (Physics.Raycast(transform.position, transform.TransformDirection(Vector3.forward), out hit, Mathf.Infinity, layerMask))
        {
            Debug.DrawRay(transform.position, transform.TransformDirection(Vector3.forward) * hit.distance, Color.yellow);
            Debug.Log("Did Hit");
        }

raycasthit unity

RaycastHit hit;
/*
(Vector3) hit.point - the point where the ray has collided.
(Quaternion) hit.normal - the normal of the GameObject the ray has collided.
(float) hit.distance - the distance between the ray origin and hit.point.
(Transform) hit.transform - the transform of the GameObject the ray has hit
(Rigidbody) hit.rigidbody - rigidbody attached to GameObject ray collided,
							if no rigidbody is attached, value is null.
(Vector2) hit.textureCoord - the coordinate of the point on the texture
							 of the GameObject the ray collided.
*/

raycasthit2d unity

        RaycastHit2D hit = Physics2D.Raycast(transform.position, -Vector2.up);

raycasting in unity

Ray ray = new Ray(position, direction);
RaycastHit hit2;
if (Physics.Raycast(ray, out hit2, maxStepDistance))
{
    reflDirection = Vector3.Reflect(direction, hit2.normal);
    hitPosition = hit2.point;
}
else
{
    position += reflDirection * maxStepDistance;
}

Debug.DrawRay(hitPosition, reflDirection, Color.green);

raycasting unity

RaycastHit target;

        float raydistance = 50;
        Debug.DrawRay(beamorigin.position, transform.forward*raydistance, Color.yellow);
        if (Physics.Raycast(beamorigin.position, transform.forward*raydistance, out target, raydistance, targetlayer))
        {
            Debug.Log(target.collider.tag);
        }