godotengine
/
godot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Show descriptive errors when look_at is improperly used, closes #5131

This commit is contained in:
Juan Linietsky 2016-06-11 17:22:07 -03:00
parent b5f2ea542a
commit 375fbe5c7c
1 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
scene/3d/spatial.cpp
View File

@ -712,6 +712,15 @@ void Spatial::look_at(const Vector3& p_target, const Vector3& p_up_normal) {
Transform lookat;
lookat.origin=get_global_transform().origin;
if (lookat.origin==p_target) {
ERR_EXPLAIN("Node origin and target are in the same position, look_at() failed");
ERR_FAIL();
}
if (p_up_normal.cross(p_target-lookat.origin)==Vector3()) {
ERR_EXPLAIN("Up vector and direction between node origin and target align, look_at() failed");
ERR_FAIL();
}
lookat=lookat.looking_at(p_target,p_up_normal);
set_global_transform(lookat);
}