private float CheckCameraClipPlane(Vector3 from, Vector3 to)
{
float num = -1f;
RPG_Camera.ClipPlaneVertexes clipPlaneAt = RPG_Camera.GetClipPlaneAt(to);
int layerMask = 257;
if (RPG_Camera.MainCamera != null)
{
RaycastHit raycastHit;
if (Physics.Linecast(from, to, out raycastHit, layerMask))
{
num = raycastHit.distance - RPG_Camera.MainCamera.nearClipPlane;
}
if (Physics.Linecast(from - base.transform.right * RPG_Camera.halfPlaneWidth + base.transform.up * RPG_Camera.halfPlaneHeight, clipPlaneAt.UpperLeft, out raycastHit, layerMask) && (raycastHit.distance < num || num == -1f))
{
num = Vector3.Distance(raycastHit.point + base.transform.right * RPG_Camera.halfPlaneWidth - base.transform.up * RPG_Camera.halfPlaneHeight, from);
}
if (Physics.Linecast(from + base.transform.right * RPG_Camera.halfPlaneWidth + base.transform.up * RPG_Camera.halfPlaneHeight, clipPlaneAt.UpperRight, out raycastHit, layerMask) && (raycastHit.distance < num || num == -1f))
{
num = Vector3.Distance(raycastHit.point - base.transform.right * RPG_Camera.halfPlaneWidth - base.transform.up * RPG_Camera.halfPlaneHeight, from);
}
if (Physics.Linecast(from - base.transform.right * RPG_Camera.halfPlaneWidth - base.transform.up * RPG_Camera.halfPlaneHeight, clipPlaneAt.LowerLeft, out raycastHit, layerMask) && (raycastHit.distance < num || num == -1f))
{
num = Vector3.Distance(raycastHit.point + base.transform.right * RPG_Camera.halfPlaneWidth + base.transform.up * RPG_Camera.halfPlaneHeight, from);
}
if (Physics.Linecast(from + base.transform.right * RPG_Camera.halfPlaneWidth - base.transform.up * RPG_Camera.halfPlaneHeight, clipPlaneAt.LowerRight, out raycastHit, layerMask) && (raycastHit.distance < num || num == -1f))
{
num = Vector3.Distance(raycastHit.point - base.transform.right * RPG_Camera.halfPlaneWidth + base.transform.up * RPG_Camera.halfPlaneHeight, from);
}
}
return(num);
}
public static RPG_Camera.ClipPlaneVertexes GetClipPlaneAt(Vector3 pos)
{
RPG_Camera.ClipPlaneVertexes result = default(RPG_Camera.ClipPlaneVertexes);
if (RPG_Camera.MainCamera == null)
{
return(result);
}
Transform transform = RPG_Camera.MainCamera.transform;
float nearClipPlane = RPG_Camera.MainCamera.nearClipPlane;
result.UpperLeft = pos - transform.right * RPG_Camera.halfPlaneWidth;
result.UpperLeft += transform.up * RPG_Camera.halfPlaneHeight;
result.UpperLeft += transform.forward * nearClipPlane;
result.UpperRight = pos + transform.right * RPG_Camera.halfPlaneWidth;
result.UpperRight += transform.up * RPG_Camera.halfPlaneHeight;
result.UpperRight += transform.forward * nearClipPlane;
result.LowerLeft = pos - transform.right * RPG_Camera.halfPlaneWidth;
result.LowerLeft -= transform.up * RPG_Camera.halfPlaneHeight;
result.LowerLeft += transform.forward * nearClipPlane;
result.LowerRight = pos + transform.right * RPG_Camera.halfPlaneWidth;
result.LowerRight -= transform.up * RPG_Camera.halfPlaneHeight;
result.LowerRight += transform.forward * nearClipPlane;
return(result);
}
