public void addCheckLayer(int layer, CHECK_DIRECTION direction, float checkDistance, float minDistance)
{
CheckLayer checkLayer = new CheckLayer(layer, direction, checkDistance, minDistance);
mCheckLayer.Add(checkLayer);
if (!mCheckDirectionList.ContainsKey(direction))
{
mCheckDirectionList.Add(direction, new List <CheckLayer>());
}
mCheckDirectionList[direction].Add(checkLayer);
}
public void addCheckLayer(int layer, CHECK_DIRECTION direction, float checkDistance, float minDistance)
{
CheckLayer checkLayer = new CheckLayer(layer, direction, checkDistance, minDistance);
mCheckLayer.Add(checkLayer);
if (!mCheckDirectionList.TryGetValue(direction, out List <CheckLayer> layerList))
{
layerList = new List <CheckLayer>();
mCheckDirectionList.Add(direction, layerList);
}
layerList.Add(checkLayer);
}
//---------------------------------------------------------------------------------------------------------
protected override void updateLinker(float elapsedTime)
{
if (!isFloatEqual(mNormalSpeed, mFollowPositionSpeed))
{
mFollowPositionSpeed = lerp(mFollowPositionSpeed, mNormalSpeed, mSpeedRecover * elapsedTime);
}
Vector3 targetPos = mLinkObject.getWorldPosition();
Vector3 relative = rotateVector3(mRelativePosition, toRadian(mLinkObject.getRotation().y));
Vector3 nextPos = targetPos + relative;
Ray ray = new Ray();
// 判断与地面的交点,使摄像机始终位于地面上方
if (mCheckLayer != null && mCheckLayer.Count > 0)
{
// 从摄像机目标点检测
foreach (var item in mCheckDirectionList)
{
List <CheckLayer> layerList = item.Value;
int count = layerList.Count;
for (int i = 0; i < count; ++i)
{
CheckLayer layer = layerList[i];
ray.origin = nextPos - layer.mDirectionVector;
ray.direction = layer.mDirectionVector;
if (Physics.Raycast(ray, out RaycastHit hit, layer.mCheckDistance, 1 << layer.mLayerIndex))
{
// 如果有碰撞到物体,交点距离在一定范围内
Vector3 hitPoint = ray.origin + ray.direction * hit.distance;
if (lengthLess(nextPos - hitPoint, layer.mMinDistance))
{
nextPos = hitPoint - layer.mDirectionVector * layer.mMinDistance;
}
}
}
}
}
// 得到摄像机当前位置
Vector3 cameraNewPos = lerp(mCamera.getPosition(), nextPos, mFollowPositionSpeed * elapsedTime, 0.01f);
applyRelativePosition(cameraNewPos - targetPos);
}
public void removeCheckLayer(int layer, CHECK_DIRECTION direction)
{
if (mCheckDirectionList.ContainsKey(direction))
{
CheckLayer checkLayer = null;
List <CheckLayer> layerList = mCheckDirectionList[direction];
int count = layerList.Count;
for (int i = 0; i < count; ++i)
{
if (layerList[i].mLayerIndex == layer)
{
checkLayer = layerList[i];
layerList.RemoveAt(i);
break;
}
}
if (checkLayer != null)
{
mCheckLayer.Remove(checkLayer);
}
}
}
