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Merge pull request #29125 from rodolforg/fix_spatial_look_at_affecting_scale 

fix un-scaling in Spatial::look_at_from_position
This commit is contained in:
Rémi Verschelde 2019-05-23 17:01:40 +02:00 committed by GitHub
parent 2be57e47b3 48e4d62554
commit 7c73a741f3
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1 changed files with 16 additions and 15 deletions
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31
scene/3d/spatial.cpp
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@ -676,28 +676,29 @@ void Spatial::set_identity() {
void Spatial::look_at(const Vector3 &p_target, const Vector3 &p_up) {
Transform lookat(get_global_transform());
if (lookat.origin == p_target) {
ERR_EXPLAIN("Node origin and target are in the same position, look_at() failed");
ERR_FAIL();
}
if (p_up.cross(p_target - lookat.origin) == Vector3()) {
ERR_EXPLAIN("Up vector and direction between node origin and target are aligned, look_at() failed");
ERR_FAIL();
}
Vector3 original_scale(lookat.basis.get_scale());
lookat = lookat.looking_at(p_target, p_up);
// as basis was normalized, we just need to apply original scale back
lookat.basis.scale(original_scale);
set_global_transform(lookat);
Vector3 origin(get_global_transform().origin);
look_at_from_position(origin, p_target, p_up);
}
void Spatial::look_at_from_position(const Vector3 &p_pos, const Vector3 &p_target, const Vector3 &p_up) {
if (p_pos == p_target) {
ERR_EXPLAIN("Node origin and target are in the same position, look_at() failed");
ERR_FAIL();
}
if (p_up.cross(p_target - p_pos) == Vector3()) {
ERR_EXPLAIN("Up vector and direction between node origin and target are aligned, look_at() failed");
ERR_FAIL();
}
Transform lookat;
lookat.origin = p_pos;
Vector3 original_scale(get_global_transform().basis.get_scale());
lookat = lookat.looking_at(p_target, p_up);
// as basis was normalized, we just need to apply original scale back
lookat.basis.scale(original_scale);
set_global_transform(lookat);
}