protected float speed; //移动速度
//初始化
public virtual void OnInit()
{
manager = GetComponent <NPCStateManagerBase>();
animator = GetComponent <Animator>();
cc = GetComponent <CharacterController>();
agent = GetComponent <NavMeshAgent>();
npc = GetComponent <NPCCharacterBase>();
}
//球形检测 是否触发场景UI事件
void SphereForeach()
{
if (Camera.main == null)
{
return;
}
//更新球形检测球心位置 玩家位置
checkPoint = player.transform.position;
//球形范围检测 获得collider数组
Collider[] targets = Physics.OverlapSphere(checkPoint, radius, 1 << LayerMask.NameToLayer("SceneUI"));
if (targets.Length < 1) //范围内无目标
{
//场景UI不激活
if (dialogParticle.isPlaying)
{
dialogParticle.Stop();
}
textName.gameObject.SetActive(false);
guideImage.gameObject.SetActive(false);
textDialog.gameObject.SetActive(false);
return;
}
//遍历 判断是否在 有效检测范围内
Vector3 cameraforward = Camera.main.transform.forward; //摄像机前方向量
cameraforward.y = 0; //忽略y值
Collider faceTarget = targets[0]; //记录玩家面对 目标
foreach (var target in targets)
{
//遍历寻找距离最近的目标
//计算并比较夹角大小
Vector3 oldVec = faceTarget.transform.position - checkPoint; //计算旧目标方向
Vector3 newVec = target.transform.position - checkPoint; //计算新目标方向
float oldAngle = Vector3.Angle(cameraforward, oldVec);
float newAngle = Vector3.Angle(cameraforward, newVec);
if (newAngle < oldAngle)
{
faceTarget = target;
}
}
//判断 面对目标 与摄像机夹角
Vector3 vec = faceTarget.transform.position - checkPoint; //计算player到target的向量
vec.y = 0; //忽略高度差
float angle = Vector3.Angle(cameraforward, vec); //计算 player前方向量 与 target方向向量 的 夹角
//如果夹角 小于 有效角度
if (angle < validAngle / 2)
{
//判断 面对目标Tag
if (faceTarget.CompareTag("NPC")) //电脑角色
{
NPCCharacterBase npc = faceTarget.GetComponent <NPCCharacterBase>(); //获取目标NPC特性
//目标名字位置
textName.gameObject.SetActive(true); //激活物体
Vector3 posTextName = npc.transform.position;
posTextName.y += npc.Height + 0.15f; //高于NPC
textName.transform.position = Camera.main.WorldToScreenPoint(posTextName); //世界坐标转屏幕坐标
//目标名字大小缩放
float newSize0 = 5.0f / Vector3.Distance(posTextName, Camera.main.transform.position);
textName.transform.localScale = Vector3.one * newSize0;
//目标名字内容
textName.text = npc.GetComponent <NPCCharacterBase>().RoleName; //获取目标NPC名字
//距离小于2.0 开启对话选项
if (vec.magnitude < 2.0f)
{
//对话气泡位置
Vector3 posDialogPar = npc.transform.position;
posDialogPar.y += npc.Height - 0.2f;
posDialogPar += Camera.main.transform.right * -0.5f;
dialogParticle.transform.position = posDialogPar;
//播放粒子效果
if (!dialogParticle.isPlaying)
{
dialogParticle.Play();
}
//指示图位置
guideImage.gameObject.SetActive(true);
Vector3 posGuideImage = npc.transform.position;
posGuideImage.y += npc.Height + 0.35f;
guideImage.transform.position = Camera.main.WorldToScreenPoint(posGuideImage);
//指示图大小缩放
float newSize1 = 5.0f / Vector3.Distance(posGuideImage, Camera.main.transform.position);
guideImage.transform.localScale = Vector3.one * newSize1;
//指示图sprite
guideImage.overrideSprite = Resources.Load("Prefab/UI/GuideImageE") as Sprite;
}
else
{
//不激活 对话气泡 指示图
if (dialogParticle.isPlaying)
{
dialogParticle.Stop();
}
guideImage.gameObject.SetActive(false);
}
return;
}
else if (faceTarget.CompareTag("AccessPoint")) //出入口
{
//目标名字位置
textName.gameObject.SetActive(true); //激活物体
Vector3 posTextName = faceTarget.transform.position;
posTextName.y += 1.5f;
textName.transform.position = Camera.main.WorldToScreenPoint(posTextName); //世界坐标转屏幕坐标
//目标名字大小缩放
float newSize0 = 8.0f / Vector3.Distance(posTextName, Camera.main.transform.position);
textName.transform.localScale = Vector3.one * newSize0;
//目标名字内容
switch (faceTarget.name)
{
case "AccessPoint1-2":
if (SceneManager.GetActiveScene().name == "Village")
{
textName.text = "山林小路"; //设定文字内容
}
else
{
textName.text = "村庄";
}
break;
case "AccessPoint2-3":
if (SceneManager.GetActiveScene().name == "ForestRoad")
{
textName.text = "兽人山林";
}
else
{
textName.text = "山林小路";
}
break;
default:
break;
}
//距离小于2.0 开启操作选项
if (vec.magnitude < 2.0f)
{
//指示图位置
guideImage.gameObject.SetActive(true);
Vector3 posGuideImage = faceTarget.transform.position;
posGuideImage.y += 1.8f;
guideImage.transform.position = Camera.main.WorldToScreenPoint(posGuideImage);
//指示图大小缩放
float newSize1 = 8.0f / Vector3.Distance(posGuideImage, Camera.main.transform.position);
guideImage.transform.localScale = Vector3.one * newSize1;
//指示图sprite
guideImage.overrideSprite = Resources.Load("Prefab/UI/GuideImageE") as Sprite;
//键盘E键按下
if (Input.GetKeyDown(KeyCode.E))
{
EnterAccessPoint(faceTarget.name);
}
}
else //不激活 指示图
{
guideImage.gameObject.SetActive(false);
}
return;
}
}
//目标不在有效角度内 场景UI不激活
if (dialogParticle.isPlaying)
{
dialogParticle.Stop();
}
guideImage.gameObject.SetActive(false);
textName.gameObject.SetActive(false);
textDialog.gameObject.SetActive(false);
}
