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Physics.SphereCast

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public static function SphereCast(origin: Vector3, radius: float, direction: Vector3, hitInfo: RaycastHit, distance: float = Mathf.Infinity, layerMask: int = DefaultRaycastLayers): bool;
public static bool SphereCast(Vector3 origin, float radius, Vector3 direction, RaycastHit hitInfo, float distance = Mathf.Infinity, int layerMask = DefaultRaycastLayers);
public static def SphereCast(origin as Vector3, radius as float, direction as Vector3, hitInfo as RaycastHit, distance as float = Mathf.Infinity, layerMask as int = DefaultRaycastLayers) as bool

Parameters

origin The center of the sphere at the start of the sweep.
radius The radius of the sphere.
direction The direction into which to sweep the sphere.
hitInfo If true is returned, hitInfo will contain more information about where the collider was hit (See Also: RaycastHit).
distance The length of the sweep.
layerMask A Layer mask that is used to selectively ignore colliders when casting a capsule.

Returns

bool True when the capsule sweep intersects any collider, otherwise false.

Description

球体のレイを飛ばし、オブジェクトコライダーの付いたオブジェクトがヒットするかを調べ、ヒットしたら詳細情報を返します

This is useful when a Raycast does not give enough precision, because you want to find out if an object of a specific size, such as a character, will be able to move somewhere without colliding with anything on the way. SphereCast は厚みのある Raycast のようなものです。 注意: SphereCast はトリガーとして設定されたコライダーに対しては動作しません。 If you move colliders from scripting or by animation, there needs to be at least one FixedUpdate executed so that the physics library can update it's data structures, before a SphereCast will hit the collider at it's new position. See Also: Physics.SphereCastAll, Physics.CapsuleCast, Physics.Raycast, Rigidbody.SweepTest.

	function Update () {
		var hit : RaycastHit;
		var charCtrl : CharacterController = GetComponent(CharacterController);
		var p1 : Vector3 = transform.position + charCtrl.center;
		// Cast a sphere wrapping character controller 10 meters forward, to see if it is about to hit anything
		if (Physics.SphereCast (p1, charCtrl.height / 2, transform.forward, hit, 10)) {
			var distanceToObstacle = hit.distance;
		}
	}
using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    void Update() {
        RaycastHit hit;
        CharacterController charCtrl = GetComponent<CharacterController>();
        Vector3 p1 = transform.position + charCtrl.center;
        if (Physics.SphereCast(p1, charCtrl.height / 2, transform.forward, out hit, 10))
            float distanceToObstacle = hit.distance;
        
    }
}
import UnityEngine
import System.Collections

public class ExampleClass(MonoBehaviour):

	def Update() as void:
		hit as RaycastHit
		charCtrl as CharacterController = GetComponent[of CharacterController]()
		p1 as Vector3 = (transform.position + charCtrl.center)
		if Physics.SphereCast(p1, (charCtrl.height / 2), transform.forward, , 10):
			distanceToObstacle as float = hit.distance

public static function SphereCast(ray: Ray, radius: float, hitInfo: RaycastHit, distance: float = Mathf.Infinity, layerMask: int = DefaultRaycastLayers): bool;
public static bool SphereCast(Ray ray, float radius, RaycastHit hitInfo, float distance = Mathf.Infinity, int layerMask = DefaultRaycastLayers);
public static def SphereCast(ray as Ray, radius as float, hitInfo as RaycastHit, distance as float = Mathf.Infinity, layerMask as int = DefaultRaycastLayers) as bool

Parameters

ray The starting point and direction of the ray into which the sphere sweep is cast.
radius The radius of the sphere.
direction The direction into which to sweep the sphere.
hitInfo If true is returned, hitInfo will contain more information about where the collider was hit (See Also: RaycastHit).
distance The length of the sweep.
layerMask A Layer mask that is used to selectively ignore colliders when casting a capsule.

Returns

bool True when the capsule sweep intersects any collider, otherwise false.

Description

球体のレイを飛ばし、オブジェクトコライダーの付いたオブジェクトがヒットするかを調べ、ヒットしたら詳細情報を返します

This is useful when a Raycast does not give enough precision, because you want to find out if an object of a specific size, such as a character, will be able to move somewhere without colliding with anything on the way. SphereCast は厚みのある Raycast のようなものです。 注意: SphereCast はトリガーとして設定されたコライダーに対しては動作しません。 If you move colliders from scripting or by animation, there needs to be at least one FixedUpdate executed so that the physics library can update it's data structures, before a SphereCast will hit the collider at it's new position. See Also: Physics.SphereCastAll, Physics.CapsuleCast, Physics.Raycast, Rigidbody.SweepTest.