/*************************************************************************/ /* node_2d.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #include "node_2d.h" #ifdef TOOLS_ENABLED Dictionary Node2D::_edit_get_state() const { Dictionary state; state["position"] = get_position(); state["rotation"] = get_rotation(); state["scale"] = get_scale(); state["skew"] = get_skew(); return state; } void Node2D::_edit_set_state(const Dictionary &p_state) { position = p_state["position"]; rotation = p_state["rotation"]; scale = p_state["scale"]; skew = p_state["skew"]; _update_transform(); } void Node2D::_edit_set_position(const Point2 &p_position) { set_position(p_position); } Point2 Node2D::_edit_get_position() const { return position; } void Node2D::_edit_set_scale(const Size2 &p_scale) { set_scale(p_scale); } Size2 Node2D::_edit_get_scale() const { return scale; } void Node2D::_edit_set_rotation(real_t p_rotation) { rotation = p_rotation; _update_transform(); } real_t Node2D::_edit_get_rotation() const { return rotation; } bool Node2D::_edit_use_rotation() const { return true; } void Node2D::_edit_set_rect(const Rect2 &p_edit_rect) { ERR_FAIL_COND(!_edit_use_rect()); Rect2 r = _edit_get_rect(); Vector2 zero_offset; Size2 new_scale(1, 1); if (r.size.x != 0) { zero_offset.x = -r.position.x / r.size.x; new_scale.x = p_edit_rect.size.x / r.size.x; } if (r.size.y != 0) { zero_offset.y = -r.position.y / r.size.y; new_scale.y = p_edit_rect.size.y / r.size.y; } Point2 new_pos = p_edit_rect.position + p_edit_rect.size * zero_offset; Transform2D postxf; postxf.set_rotation_scale_and_skew(rotation, scale, skew); new_pos = postxf.xform(new_pos); position += new_pos; scale *= new_scale; _update_transform(); } #endif void Node2D::_update_xform_values() { position = transform.columns[2]; rotation = transform.get_rotation(); scale = transform.get_scale(); skew = transform.get_skew(); _xform_dirty = false; } void Node2D::_update_transform() { transform.set_rotation_scale_and_skew(rotation, scale, skew); transform.columns[2] = position; RenderingServer::get_singleton()->canvas_item_set_transform(get_canvas_item(), transform); if (!is_inside_tree()) { return; } _notify_transform(); } void Node2D::set_position(const Point2 &p_pos) { if (_xform_dirty) { const_cast<Node2D *>(this)->_update_xform_values(); } position = p_pos; _update_transform(); } void Node2D::set_rotation(real_t p_radians) { if (_xform_dirty) { const_cast<Node2D *>(this)->_update_xform_values(); } rotation = p_radians; _update_transform(); } void Node2D::set_skew(real_t p_radians) { if (_xform_dirty) { const_cast<Node2D *>(this)->_update_xform_values(); } skew = p_radians; _update_transform(); } void Node2D::set_scale(const Size2 &p_scale) { if (_xform_dirty) { const_cast<Node2D *>(this)->_update_xform_values(); } scale = p_scale; // Avoid having 0 scale values, can lead to errors in physics and rendering. if (Math::is_zero_approx(scale.x)) { scale.x = CMP_EPSILON; } if (Math::is_zero_approx(scale.y)) { scale.y = CMP_EPSILON; } _update_transform(); } Point2 Node2D::get_position() const { if (_xform_dirty) { const_cast<Node2D *>(this)->_update_xform_values(); } return position; } real_t Node2D::get_rotation() const { if (_xform_dirty) { const_cast<Node2D *>(this)->_update_xform_values(); } return rotation; } real_t Node2D::get_skew() const { if (_xform_dirty) { const_cast<Node2D *>(this)->_update_xform_values(); } return skew; } Size2 Node2D::get_scale() const { if (_xform_dirty) { const_cast<Node2D *>(this)->_update_xform_values(); } return scale; } Transform2D Node2D::get_transform() const { return transform; } void Node2D::rotate(real_t p_radians) { set_rotation(get_rotation() + p_radians); } void Node2D::translate(const Vector2 &p_amount) { set_position(get_position() + p_amount); } void Node2D::global_translate(const Vector2 &p_amount) { set_global_position(get_global_position() + p_amount); } void Node2D::apply_scale(const Size2 &p_amount) { set_scale(get_scale() * p_amount); } void Node2D::move_x(real_t p_delta, bool p_scaled) { Transform2D t = get_transform(); Vector2 m = t[0]; if (!p_scaled) { m.normalize(); } set_position(t[2] + m * p_delta); } void Node2D::move_y(real_t p_delta, bool p_scaled) { Transform2D t = get_transform(); Vector2 m = t[1]; if (!p_scaled) { m.normalize(); } set_position(t[2] + m * p_delta); } Point2 Node2D::get_global_position() const { return get_global_transform().get_origin(); } void Node2D::set_global_position(const Point2 &p_pos) { CanvasItem *parent = get_parent_item(); if (parent) { Transform2D inv = parent->get_global_transform().affine_inverse(); set_position(inv.xform(p_pos)); } else { set_position(p_pos); } } real_t Node2D::get_global_rotation() const { return get_global_transform().get_rotation(); } real_t Node2D::get_global_skew() const { return get_global_transform().get_skew(); } void Node2D::set_global_rotation(const real_t p_radians) { CanvasItem *parent = get_parent_item(); if (parent) { Transform2D parent_global_transform = parent->get_global_transform(); Transform2D new_transform = parent_global_transform * get_transform(); new_transform.set_rotation(p_radians); new_transform = parent_global_transform.affine_inverse() * new_transform; set_rotation(new_transform.get_rotation()); } else { set_rotation(p_radians); } } void Node2D::set_global_skew(const real_t p_radians) { CanvasItem *parent = get_parent_item(); if (parent) { Transform2D parent_global_transform = parent->get_global_transform(); Transform2D new_transform = parent_global_transform * get_transform(); new_transform.set_skew(p_radians); new_transform = parent_global_transform.affine_inverse() * new_transform; set_skew(new_transform.get_skew()); } else { set_skew(p_radians); } } Size2 Node2D::get_global_scale() const { return get_global_transform().get_scale(); } void Node2D::set_global_scale(const Size2 &p_scale) { CanvasItem *parent = get_parent_item(); if (parent) { Transform2D parent_global_transform = parent->get_global_transform(); Transform2D new_transform = parent_global_transform * get_transform(); new_transform.set_scale(p_scale); new_transform = parent_global_transform.affine_inverse() * new_transform; set_scale(new_transform.get_scale()); } else { set_scale(p_scale); } } void Node2D::set_transform(const Transform2D &p_transform) { transform = p_transform; _xform_dirty = true; RenderingServer::get_singleton()->canvas_item_set_transform(get_canvas_item(), transform); if (!is_inside_tree()) { return; } _notify_transform(); } void Node2D::set_global_transform(const Transform2D &p_transform) { CanvasItem *parent = get_parent_item(); if (parent) { set_transform(parent->get_global_transform().affine_inverse() * p_transform); } else { set_transform(p_transform); } } void Node2D::set_z_index(int p_z) { ERR_FAIL_COND(p_z < RS::CANVAS_ITEM_Z_MIN); ERR_FAIL_COND(p_z > RS::CANVAS_ITEM_Z_MAX); z_index = p_z; RS::get_singleton()->canvas_item_set_z_index(get_canvas_item(), z_index); } void Node2D::set_z_as_relative(bool p_enabled) { if (z_relative == p_enabled) { return; } z_relative = p_enabled; RS::get_singleton()->canvas_item_set_z_as_relative_to_parent(get_canvas_item(), p_enabled); } bool Node2D::is_z_relative() const { return z_relative; } int Node2D::get_z_index() const { return z_index; } Transform2D Node2D::get_relative_transform_to_parent(const Node *p_parent) const { if (p_parent == this) { return Transform2D(); } Node2D *parent_2d = Object::cast_to<Node2D>(get_parent()); ERR_FAIL_COND_V(!parent_2d, Transform2D()); if (p_parent == parent_2d) { return get_transform(); } else { return parent_2d->get_relative_transform_to_parent(p_parent) * get_transform(); } } void Node2D::look_at(const Vector2 &p_pos) { rotate(get_angle_to(p_pos)); } real_t Node2D::get_angle_to(const Vector2 &p_pos) const { return (to_local(p_pos) * get_scale()).angle(); } Point2 Node2D::to_local(Point2 p_global) const { return get_global_transform().affine_inverse().xform(p_global); } Point2 Node2D::to_global(Point2 p_local) const { return get_global_transform().xform(p_local); } void Node2D::set_y_sort_enabled(bool p_enabled) { y_sort_enabled = p_enabled; RS::get_singleton()->canvas_item_set_sort_children_by_y(get_canvas_item(), y_sort_enabled); } bool Node2D::is_y_sort_enabled() const { return y_sort_enabled; } void Node2D::_bind_methods() { ClassDB::bind_method(D_METHOD("set_position", "position"), &Node2D::set_position); ClassDB::bind_method(D_METHOD("set_rotation", "radians"), &Node2D::set_rotation); ClassDB::bind_method(D_METHOD("set_skew", "radians"), &Node2D::set_skew); ClassDB::bind_method(D_METHOD("set_scale", "scale"), &Node2D::set_scale); ClassDB::bind_method(D_METHOD("get_position"), &Node2D::get_position); ClassDB::bind_method(D_METHOD("get_rotation"), &Node2D::get_rotation); ClassDB::bind_method(D_METHOD("get_skew"), &Node2D::get_skew); ClassDB::bind_method(D_METHOD("get_scale"), &Node2D::get_scale); ClassDB::bind_method(D_METHOD("rotate", "radians"), &Node2D::rotate); ClassDB::bind_method(D_METHOD("move_local_x", "delta", "scaled"), &Node2D::move_x, DEFVAL(false)); ClassDB::bind_method(D_METHOD("move_local_y", "delta", "scaled"), &Node2D::move_y, DEFVAL(false)); ClassDB::bind_method(D_METHOD("translate", "offset"), &Node2D::translate); ClassDB::bind_method(D_METHOD("global_translate", "offset"), &Node2D::global_translate); ClassDB::bind_method(D_METHOD("apply_scale", "ratio"), &Node2D::apply_scale); ClassDB::bind_method(D_METHOD("set_global_position", "position"), &Node2D::set_global_position); ClassDB::bind_method(D_METHOD("get_global_position"), &Node2D::get_global_position); ClassDB::bind_method(D_METHOD("set_global_rotation", "radians"), &Node2D::set_global_rotation); ClassDB::bind_method(D_METHOD("get_global_rotation"), &Node2D::get_global_rotation); ClassDB::bind_method(D_METHOD("set_global_skew", "radians"), &Node2D::set_global_skew); ClassDB::bind_method(D_METHOD("get_global_skew"), &Node2D::get_global_skew); ClassDB::bind_method(D_METHOD("set_global_scale", "scale"), &Node2D::set_global_scale); ClassDB::bind_method(D_METHOD("get_global_scale"), &Node2D::get_global_scale); ClassDB::bind_method(D_METHOD("set_transform", "xform"), &Node2D::set_transform); ClassDB::bind_method(D_METHOD("set_global_transform", "xform"), &Node2D::set_global_transform); ClassDB::bind_method(D_METHOD("look_at", "point"), &Node2D::look_at); ClassDB::bind_method(D_METHOD("get_angle_to", "point"), &Node2D::get_angle_to); ClassDB::bind_method(D_METHOD("to_local", "global_point"), &Node2D::to_local); ClassDB::bind_method(D_METHOD("to_global", "local_point"), &Node2D::to_global); ClassDB::bind_method(D_METHOD("set_z_index", "z_index"), &Node2D::set_z_index); ClassDB::bind_method(D_METHOD("get_z_index"), &Node2D::get_z_index); ClassDB::bind_method(D_METHOD("set_z_as_relative", "enable"), &Node2D::set_z_as_relative); ClassDB::bind_method(D_METHOD("is_z_relative"), &Node2D::is_z_relative); ClassDB::bind_method(D_METHOD("set_y_sort_enabled", "enabled"), &Node2D::set_y_sort_enabled); ClassDB::bind_method(D_METHOD("is_y_sort_enabled"), &Node2D::is_y_sort_enabled); ClassDB::bind_method(D_METHOD("get_relative_transform_to_parent", "parent"), &Node2D::get_relative_transform_to_parent); ADD_GROUP("Transform", ""); ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "position", PROPERTY_HINT_RANGE, "-99999,99999,0.001,or_lesser,or_greater,no_slider,suffix:px"), "set_position", "get_position"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "rotation", PROPERTY_HINT_RANGE, "-360,360,0.1,or_lesser,or_greater,radians"), "set_rotation", "get_rotation"); ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "scale", PROPERTY_HINT_LINK), "set_scale", "get_scale"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "skew", PROPERTY_HINT_RANGE, "-89.9,89.9,0.1,radians"), "set_skew", "get_skew"); ADD_PROPERTY(PropertyInfo(Variant::TRANSFORM2D, "transform", PROPERTY_HINT_NONE, "suffix:px", PROPERTY_USAGE_NONE), "set_transform", "get_transform"); ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "global_position", PROPERTY_HINT_NONE, "suffix:px", PROPERTY_USAGE_NONE), "set_global_position", "get_global_position"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "global_rotation", PROPERTY_HINT_NONE, "radians", PROPERTY_USAGE_NONE), "set_global_rotation", "get_global_rotation"); ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "global_scale", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NONE), "set_global_scale", "get_global_scale"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "global_skew", PROPERTY_HINT_NONE, "radians", PROPERTY_USAGE_NONE), "set_global_skew", "get_global_skew"); ADD_PROPERTY(PropertyInfo(Variant::TRANSFORM2D, "global_transform", PROPERTY_HINT_NONE, "suffix:px", PROPERTY_USAGE_NONE), "set_global_transform", "get_global_transform"); ADD_GROUP("Ordering", ""); ADD_PROPERTY(PropertyInfo(Variant::INT, "z_index", PROPERTY_HINT_RANGE, itos(RS::CANVAS_ITEM_Z_MIN) + "," + itos(RS::CANVAS_ITEM_Z_MAX) + ",1"), "set_z_index", "get_z_index"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "z_as_relative"), "set_z_as_relative", "is_z_relative"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "y_sort_enabled"), "set_y_sort_enabled", "is_y_sort_enabled"); }