void DrawSelectMeshObjLineCheck()
{
if (m_TargetCamera == null)
{
return;
}
if (m_BakerMode == PVSSceneBakerMode.CameraRTComputeMode || m_BakerMode == PVSSceneBakerMode.CameraRTCpuMode)
{
return;
}
var selTrans = Selection.activeTransform;
if (selTrans != null)
{
var ms = selTrans.GetComponent <MeshRenderer>();
if (ms != null)
{
var b = ms.bounds;
Handles.color = Color.black;
Handles.DrawLine(m_TargetCamInfo.position, b.center);
if (GUILayout.Button("检测是否选中碰撞"))
{
Vector3 dir = b.center - m_TargetCamInfo.position;
dir = dir.normalized;
Ray ray = new Ray(m_TargetCamInfo.position, dir);
PVSBounds bound = new PVSBounds();
bound.min = b.min;
bound.max = b.max;
bound.up = ms.transform.up;
bound.forward = ms.transform.forward;
float tutDistance = 0f;
while (true)
{
if (PVSRayTrack.sdPVSCell(ref ray, bound, ref tutDistance))
{
Debug.Log("有碰撞");
break;
}
if (tutDistance > m_TargetCamInfo.far)
{
Debug.Log("无碰撞");
break;
}
}
}
}
}
}
private void CellRays(int cellIdx, Vector3 cellPos, PVSBounds[] bounds, PVSCameraInfo camInfo, bool isOriCam)
{
var cell = m_Results[cellIdx];
cell.ResetVisible();
Vector3 right = camInfo.right;
Vector3 up = camInfo.up;
Vector3 lookAt = camInfo.lookAt;
if (isOriCam)
{
// 正交攝影機
var width = camInfo.CameraWidth;
var height = camInfo.CameraHeight;
float perX = GetPerX(width);
float perY = GetPerY(height);
Vector3 halfV = (right * width / 2.0f + up * height / 2.0f);
Vector3 minVec = cellPos - halfV;
float stepY = 0;
while (stepY <= height)
{
float stepX = 0;
Vector3 yy = stepY * up;
while (stepX <= width)
{
Vector3 startPt = minVec + stepX * right + yy + lookAt * camInfo.near;
Ray ray = new Ray(startPt, lookAt);
float tutDistance = 0;
while (true)
{
int collisionIdx = PVSRayTrack.sdPVSCells(ref ray, bounds, ref tutDistance);
if (collisionIdx >= 0)
{
var b = m_Bounds[collisionIdx];
cell.SetVisible(b.id, true);
break;
}
if (tutDistance > (camInfo.far - camInfo.near))
{
break;
}
}
stepX += perX;
}
stepY += perY;
}
lock (cell) {
cell.isEditorDone = true;
}
}
else
{
// 透視攝影機
var width = camInfo.farWidth;
var height = camInfo.farHeight;
float perX = GetPerX(width);
float perY = GetPerY(height);
Vector3 halfV = (right * width / 2.0f + up * height / 2.0f);
Vector3 minVec = cellPos - halfV;
float d = camInfo.far;
float stepY = 0;
while (stepY < height)
{
float stepX = 0;
Vector3 yy = stepY * up;
while (stepX < width)
{
Vector3 endPt = minVec + stepX * right + yy + lookAt * d;
Vector3 dir = (endPt - camInfo.position).normalized;
Ray ray = new Ray(camInfo.position, dir);
float tutDistance = 0;
while (true)
{
int collisionIdx = PVSRayTrack.sdPVSCells(ref ray, bounds, ref tutDistance);
if (collisionIdx >= 0)
{
var b = m_Bounds[collisionIdx];
cell.SetVisible(b.id, true);
break;
}
if (tutDistance > camInfo.far)
{
break;
}
}
stepX += perX;
}
stepY += perY;
}
lock (cell) {
cell.isEditorDone = true;
}
}
}
