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Allow for easier editing of rect CollisionShape2D

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This commit is contained in:
Tomasz Chabora 2020-04-10 14:04:08 +02:00 committed by kobewi
parent ff8a1fdc19
commit 79fea30cd2
2 changed files with 55 additions and 17 deletions
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59
editor/plugins/collision_shape_2d_editor_plugin.cpp
View file

@ -31,6 +31,7 @@
#include "collision_shape_2d_editor_plugin.h"
#include "canvas_item_editor_plugin.h"
#include "core/os/keyboard.h"
#include "scene/resources/capsule_shape_2d.h"
#include "scene/resources/circle_shape_2d.h"
#include "scene/resources/concave_polygon_shape_2d.h"
@ -97,7 +98,7 @@ Variant CollisionShape2DEditor::get_handle_value(int idx) const {
case RECTANGLE_SHAPE: {
Ref<RectangleShape2D> rect = node->get_shape();
if (idx < 3) {
if (idx < 8) {
return rect->get_size().abs();
}
@ -176,16 +177,26 @@ void CollisionShape2DEditor::set_handle(int idx, Point2 &p_point) {
} break;
case RECTANGLE_SHAPE: {
if (idx < 3) {
if (idx < 8) {
Ref<RectangleShape2D> rect = node->get_shape();
Vector2 size = (Point2)original;
Vector2 size = rect->get_size();
if (idx == 2) {
size = p_point * 2;
} else {
size[idx] = p_point[idx] * 2;
if (RECT_HANDLES[idx].x != 0) {
size.x = p_point.x * RECT_HANDLES[idx].x * 2;
}
if (RECT_HANDLES[idx].y != 0) {
size.y = p_point.y * RECT_HANDLES[idx].y * 2;
}
if (Input::get_singleton()->is_key_pressed(KEY_ALT)) {
rect->set_size(size.abs());
node->set_global_position(original_transform.get_origin());
} else {
rect->set_size(((Point2)original + (size - (Point2)original) * 0.5).abs());
Point2 pos = original_transform.affine_inverse().xform(original_transform.get_origin());
pos += (size - (Point2)original) * 0.5 * RECT_HANDLES[idx] * 0.5;
node->set_global_position(original_transform.xform(pos));
}
rect->set_size(size.abs());
canvas_item_editor->update_viewport();
}
@ -280,8 +291,10 @@ void CollisionShape2DEditor::commit_handle(int idx, Variant &p_org) {
Ref<RectangleShape2D> rect = node->get_shape();
undo_redo->add_do_method(rect.ptr(), "set_size", rect->get_size());
undo_redo->add_do_method(node, "set_global_transform", node->get_global_transform());
undo_redo->add_do_method(canvas_item_editor, "update_viewport");
undo_redo->add_undo_method(rect.ptr(), "set_size", p_org);
undo_redo->add_undo_method(node, "set_global_transform", original_transform);
undo_redo->add_undo_method(canvas_item_editor, "update_viewport");
} break;
@ -342,6 +355,8 @@ bool CollisionShape2DEditor::forward_canvas_gui_input(const Ref<InputEvent> &p_e
}
original = get_handle_value(edit_handle);
original_transform = node->get_global_transform();
last_point = original;
pressed = true;
return true;
@ -369,13 +384,26 @@ bool CollisionShape2DEditor::forward_canvas_gui_input(const Ref<InputEvent> &p_e
}
Vector2 cpoint = canvas_item_editor->snap_point(canvas_item_editor->get_canvas_transform().affine_inverse().xform(mm->get_position()));
cpoint = node->get_global_transform().affine_inverse().xform(cpoint);
cpoint = original_transform.affine_inverse().xform(cpoint);
last_point = cpoint;
set_handle(edit_handle, cpoint);
return true;
}
Ref<InputEventKey> k = p_event;
if (k.is_valid()) {
if (edit_handle == -1 || !pressed || k->is_echo()) {
return false;
}
if (shape_type == RECTANGLE_SHAPE && k->get_keycode() == KEY_ALT) {
set_handle(edit_handle, last_point); // Update handle when Alt key is toggled.
}
}
return false;
}
@ -492,15 +520,12 @@ void CollisionShape2DEditor::forward_canvas_draw_over_viewport(Control *p_overla
case RECTANGLE_SHAPE: {
Ref<RectangleShape2D> shape = node->get_shape();
handles.resize(3);
handles.resize(8);
Vector2 ext = shape->get_size() / 2;
handles.write[0] = Point2(ext.x, 0);
handles.write[1] = Point2(0, ext.y);
handles.write[2] = Point2(ext.x, ext.y);
p_overlay->draw_texture(h, gt.xform(handles[0]) - size);
p_overlay->draw_texture(h, gt.xform(handles[1]) - size);
p_overlay->draw_texture(h, gt.xform(handles[2]) - size);
for (int i = 0; i < handles.size(); i++) {
handles.write[i] = RECT_HANDLES[i] * ext;
p_overlay->draw_texture(h, gt.xform(handles[i]) - size);
}
} break;

13
editor/plugins/collision_shape_2d_editor_plugin.h
View file

@ -52,6 +52,17 @@ class CollisionShape2DEditor : public Control {
SEGMENT_SHAPE
};
const Point2 RECT_HANDLES[8] = {
Point2(1, 0),
Point2(1, 1),
Point2(0, 1),
Point2(-1, 1),
Point2(-1, 0),
Point2(-1, -1),
Point2(0, -1),
Point2(1, -1),
};
EditorNode *editor;
UndoRedo *undo_redo;
CanvasItemEditor *canvas_item_editor;
@ -63,6 +74,8 @@ class CollisionShape2DEditor : public Control {
int edit_handle;
bool pressed;
Variant original;
Transform2D original_transform;
Point2 last_point;
Variant get_handle_value(int idx) const;
void set_handle(int idx, Point2 &p_point);