/// <summary>
/// Snap the prefab to ground (y-axis). Sets the prefab position to 0 on y-axis.
/// If isConsiderPrefabExtents is true, set ground to be the bottom of the prefab
/// rather than its pivot point.
/// NOTE: Currently doesn't consider scaling.
/// </summary>
/// <param name="isConsiderPrefabExtents"></param>
private void SnapToGround(bool isConsiderPrefabExtents = false)
{
if (lbGroupMember != null && lbGroupDesignerItem != null)
{
// Default
lbGroupMember.minOffsetY = 0f;
lbGroupMember.maxOffsetY = 0f;
if (isConsiderPrefabExtents && lbGroupMember.prefab != null && lbGroupMember.lbMemberType == LBGroupMember.LBMemberType.Prefab)
{
// Need to reset y value for GetBounds to work correctly
Vector3 tempPos = lbGroupMember.prefab.transform.position;
tempPos.y = 0f;
lbGroupMember.prefab.transform.position = tempPos;
Bounds bounds = LBMeshOperations.GetBounds(lbGroupMember.prefab.transform, false, true);
if (bounds.extents.y != 0f)
{
// bounds.extents.y is half the height of the prefab.
lbGroupMember.minOffsetY = bounds.extents.y - bounds.center.y;
lbGroupMember.maxOffsetY = lbGroupMember.minOffsetY;
}
}
lbGroupDesignerItem.lbGroupDesigner.UpdateGroupMember(lbGroupMember);
LBEditorHelper.RepaintEditorWindow(typeof(LandscapeBuilderWindow));
}
}
/// <summary>
/// Add a zone at the same location as an object/prefab using its extents.
/// NOTE: Rectangular zones cannot be rotated, so only width and length can be switched
/// </summary>
private void AddZoneToObject()
{
if (lbGroup != null && lbGroupMember != null && lbGroupDesignerItem != null && lbGroupMember.prefab != null && lbGroupMember.lbMemberType == LBGroupMember.LBMemberType.Prefab)
{
// Need to reset postion for GetBounds to work correctly
Vector3 tempPos = lbGroupMember.prefab.transform.position;
lbGroupMember.prefab.transform.position = Vector3.zero;
Bounds bounds = LBMeshOperations.GetBounds(lbGroupMember.prefab.transform, false, true);
lbGroupMember.prefab.transform.position = tempPos;
if (bounds.extents.x != 0f && bounds.extents.z != 0f && lbGroup.maxClearingRadius > 0f)
{
LBGroupZone lbGroupZone = new LBGroupZone();
if (lbGroupZone != null)
{
if (bounds.extents.x == bounds.extents.z)
{
lbGroupZone.zoneType = LBGroupZone.LBGroupZoneType.circle;
lbGroupZone.centrePointX = lbGroupMember.minOffsetX / lbGroup.maxClearingRadius;
lbGroupZone.centrePointZ = lbGroupMember.minOffsetZ / lbGroup.maxClearingRadius;
lbGroupZone.width = (bounds.extents.x - bounds.center.x) / lbGroup.maxClearingRadius;
lbGroupZone.length = lbGroupZone.width;
}
else
{
lbGroupZone.zoneType = LBGroupZone.LBGroupZoneType.rectangle;
lbGroupZone.centrePointX = lbGroupMember.minOffsetX / lbGroup.maxClearingRadius;
lbGroupZone.centrePointZ = lbGroupMember.minOffsetZ / lbGroup.maxClearingRadius;
lbGroupZone.width = (bounds.extents.x - bounds.center.x) * 2f / lbGroup.maxClearingRadius;
lbGroupZone.length = (bounds.extents.z - bounds.center.z) * 2f / lbGroup.maxClearingRadius;
float rotationY = lbGroupDesignerItem.transform.rotation.eulerAngles.y;
// Get the absolute rotation on y-axis
if (rotationY < 0)
{
rotationY = -rotationY;
}
// cater for rotation by switching width and length
if ((rotationY > 45f && rotationY < 135f) || (rotationY > 225f && rotationY < 315f))
{
float width = lbGroupZone.width;
lbGroupZone.width = lbGroupZone.length;
lbGroupZone.length = width;
}
}
lbGroupZone.zoneName = lbGroupMember.prefab.name + " zone";
lbGroup.zoneList.Add(lbGroupZone);
}
}
LBEditorHelper.RepaintEditorWindow(typeof(LandscapeBuilderWindow));
}
}