ejemplo de código 3d de raycast unity

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Ejemplo 1: unidad raycast

RaycastHit hit;// Does the ray intersect any objects excluding the player layerif(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");

Ejemplo 2: unidad raycast

voidUpdate()// Bit shift the index of the layer (8) to get a bit maskint layerMask =1<<8;// This would cast rays only against colliders in layer 8.// But instead we want to collide against everything except layer 8. The ~ operator does this, it inverts a bitmask.
        layerMask =~layerMask;RaycastHit hit;// Does the ray intersect any objects excluding the player layerif(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");else
            Debug.DrawRay(transform.position, transform.TransformDirection(Vector3.forward)*1000, Color.white);
            Debug.Log("Did not Hit");

Ejemplo 3: cómo hacer una unidad raycast

usingUnityEngine;// C# example.publicclassExampleClass:MonoBehaviourvoidUpdate()// Bit shift the index of the layer (8) to get a bit maskint layerMask =1<<8;// This would cast rays only against colliders in layer 8.// But instead we want to collide against everything except layer 8. The ~ operator does this, it inverts a bitmask.
        layerMask =~layerMask;RaycastHit hit;// Does the ray intersect any objects excluding the player layerif(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");else
            Debug.DrawRay(transform.position, transform.TransformDirection(Vector3.forward)*1000, Color.white);
            Debug.Log("Did not Hit");
This example creates a simple Raycast, projecting forwards from the position of the object's current position, extending for10 units.usingUnityEngine;publicclassExampleClass:MonoBehaviourvoidFixedUpdate()Vector3 fwd = transform.TransformDirection(Vector3.forward);if(Physics.Raycast(transform.position, fwd,10))print("There is something in front of the object!");

Ejemplo 4: raycasting en unidad

RaycastHit hit;// Does the ray intersect any objects excluding the player layerif(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");

Ejemplo 5: unity3d raycast

usingUnityEngine;// C# example.publicclassExampleClass:MonoBehaviourvoidUpdate()// Bit shift the index of the layer (8) to get a bit maskint layerMask =1<<8;// This would cast rays only against colliders in layer 8.// But instead we want to collide against everything except layer 8. The ~ operator does this, it inverts a bitmask.
        layerMask =~layerMask;RaycastHit hit;// Does the ray intersect any objects excluding the player layerif(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");else
            Debug.DrawRay(transform.position, transform.TransformDirection(Vector3.forward)*1000, Color.white);
            Debug.Log("Did not Hit");

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