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Merge pull request #11401 from SaracenOne/snapped_drag

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Added snapping to spatial drag and drop.
This commit is contained in:
Rémi Verschelde
2017-10-22 12:06:00 +02:00
committed by GitHub
parent bc667aeada 2e22c07f42
commit 99c8a8c7b1
6 changed files with 33 additions and 25 deletions
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17
editor/plugins/texture_region_editor_plugin.cpp
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@@ -736,23 +736,10 @@ void TextureRegionEditor::_edit_region() {
edit_draw->update();
}
inline float _snap_scalar(float p_offset, float p_step, float separation, float p_target) {
if (p_step != 0) {
float a = Math::stepify(p_target - p_offset, p_step + separation) + p_offset;
float b = a;
if (p_target >= 0)
b -= separation;
else
b += p_step;
return (Math::abs(p_target - a) < Math::abs(p_target - b)) ? a : b;
}
return p_target;
}
Vector2 TextureRegionEditor::snap_point(Vector2 p_target) const {
if (snap_mode == SNAP_GRID) {
p_target.x = _snap_scalar(snap_offset.x, snap_step.x, snap_separation.x, p_target.x);
p_target.y = _snap_scalar(snap_offset.y, snap_step.y, snap_separation.y, p_target.y);
p_target.x = Math::snap_scalar_seperation(snap_offset.x, snap_step.x, p_target.x, snap_separation.x);
p_target.y = Math::snap_scalar_seperation(snap_offset.y, snap_step.y, p_target.y, snap_separation.y);
}
return p_target;