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Added snapping to spatial drag and drop.

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This commit is contained in:
SaracenOne
2017-09-18 22:44:04 +01:00
parent cd2ffdc672
commit 2e22c07f42
6 changed files with 33 additions and 25 deletions
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8
editor/plugins/polygon_2d_editor_plugin.cpp
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@@ -760,14 +760,10 @@ void Polygon2DEditor::_bind_methods() {
ClassDB::bind_method(D_METHOD("_set_snap_step_y"), &Polygon2DEditor::_set_snap_step_y);
}
inline float _snap_scalar(float p_offset, float p_step, float p_target) {
return p_step != 0 ? Math::stepify(p_target - p_offset, p_step) + p_offset : p_target;
}
Vector2 Polygon2DEditor::snap_point(Vector2 p_target) const {
if (use_snap) {
p_target.x = _snap_scalar(snap_offset.x * uv_draw_zoom - uv_draw_ofs.x, snap_step.x * uv_draw_zoom, p_target.x);
p_target.y = _snap_scalar(snap_offset.y * uv_draw_zoom - uv_draw_ofs.y, snap_step.y * uv_draw_zoom, p_target.y);
p_target.x = Math::snap_scalar(snap_offset.x * uv_draw_zoom - uv_draw_ofs.x, snap_step.x * uv_draw_zoom, p_target.x);
p_target.y = Math::snap_scalar(snap_offset.y * uv_draw_zoom - uv_draw_ofs.y, snap_step.y * uv_draw_zoom, p_target.y);
}
return p_target;