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godot/scene/2d/camera_2d.cpp

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/*************************************************************************/
/* camera_2d.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 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 "camera_2d.h"
#include "core/config/engine.h"
#include "core/math/math_funcs.h"
#include "scene/scene_string_names.h"
#include "servers/rendering_server.h"
void Camera2D::_update_scroll() {
if (!is_inside_tree()) {
return;
}
if (Engine::get_singleton()->is_editor_hint()) {
update(); //will just be drawn
return;
}
if (!viewport) {
return;
}
if (current) {
ERR_FAIL_COND(custom_viewport && !ObjectDB::get_instance(custom_viewport_id));
Transform2D xform = get_camera_transform();
viewport->set_canvas_transform(xform);
Size2 screen_size = _get_camera_screen_size();
Point2 screen_offset = (anchor_mode == ANCHOR_MODE_DRAG_CENTER ? (screen_size * 0.5) : Point2());
get_tree()->call_group_flags(SceneTree::GROUP_CALL_REALTIME, group_name, "_camera_moved", xform, screen_offset);
};
}
void Camera2D::_update_process_callback() {
if (Engine::get_singleton()->is_editor_hint()) {
set_process_internal(false);
set_physics_process_internal(false);
} else if (process_callback == CAMERA2D_PROCESS_IDLE) {
set_process_internal(true);
set_physics_process_internal(false);
} else {
set_process_internal(false);
set_physics_process_internal(true);
}
}
void Camera2D::set_zoom(const Vector2 &p_zoom) {
// Setting zoom to zero causes 'affine_invert' issues
ERR_FAIL_COND_MSG(Math::is_zero_approx(p_zoom.x) || Math::is_zero_approx(p_zoom.y), "Zoom level must be different from 0 (can be negative).");
zoom = p_zoom;
Point2 old_smoothed_camera_pos = smoothed_camera_pos;
_update_scroll();
smoothed_camera_pos = old_smoothed_camera_pos;
};
Vector2 Camera2D::get_zoom() const {
return zoom;
};
Transform2D Camera2D::get_camera_transform() {
if (!get_tree()) {
return Transform2D();
}
ERR_FAIL_COND_V(custom_viewport && !ObjectDB::get_instance(custom_viewport_id), Transform2D());
Size2 screen_size = _get_camera_screen_size();
Point2 new_camera_pos = get_global_transform().get_origin();
Point2 ret_camera_pos;
if (!first) {
if (anchor_mode == ANCHOR_MODE_DRAG_CENTER) {
if (drag_horizontal_enabled && !Engine::get_singleton()->is_editor_hint() && !drag_horizontal_offset_changed) {
camera_pos.x = MIN(camera_pos.x, (new_camera_pos.x + screen_size.x * 0.5 * zoom.x * drag_margin[SIDE_LEFT]));
camera_pos.x = MAX(camera_pos.x, (new_camera_pos.x - screen_size.x * 0.5 * zoom.x * drag_margin[SIDE_RIGHT]));
} else {
if (drag_horizontal_offset < 0) {
camera_pos.x = new_camera_pos.x + screen_size.x * 0.5 * drag_margin[SIDE_RIGHT] * drag_horizontal_offset;
} else {
camera_pos.x = new_camera_pos.x + screen_size.x * 0.5 * drag_margin[SIDE_LEFT] * drag_horizontal_offset;
}
drag_horizontal_offset_changed = false;
}
if (drag_vertical_enabled && !Engine::get_singleton()->is_editor_hint() && !drag_vertical_offset_changed) {
camera_pos.y = MIN(camera_pos.y, (new_camera_pos.y + screen_size.y * 0.5 * zoom.y * drag_margin[SIDE_TOP]));
camera_pos.y = MAX(camera_pos.y, (new_camera_pos.y - screen_size.y * 0.5 * zoom.y * drag_margin[SIDE_BOTTOM]));
} else {
if (drag_vertical_offset < 0) {
camera_pos.y = new_camera_pos.y + screen_size.y * 0.5 * drag_margin[SIDE_BOTTOM] * drag_vertical_offset;
} else {
camera_pos.y = new_camera_pos.y + screen_size.y * 0.5 * drag_margin[SIDE_TOP] * drag_vertical_offset;
}
drag_vertical_offset_changed = false;
}
} else if (anchor_mode == ANCHOR_MODE_FIXED_TOP_LEFT) {
camera_pos = new_camera_pos;
}
Point2 screen_offset = (anchor_mode == ANCHOR_MODE_DRAG_CENTER ? (screen_size * 0.5 * zoom) : Point2());
Rect2 screen_rect(-screen_offset + camera_pos, screen_size * zoom);
if (limit_smoothing_enabled) {
if (screen_rect.position.x < limit[SIDE_LEFT]) {
camera_pos.x -= screen_rect.position.x - limit[SIDE_LEFT];
}
if (screen_rect.position.x + screen_rect.size.x > limit[SIDE_RIGHT]) {
camera_pos.x -= screen_rect.position.x + screen_rect.size.x - limit[SIDE_RIGHT];
}
if (screen_rect.position.y + screen_rect.size.y > limit[SIDE_BOTTOM]) {
camera_pos.y -= screen_rect.position.y + screen_rect.size.y - limit[SIDE_BOTTOM];
}
if (screen_rect.position.y < limit[SIDE_TOP]) {
camera_pos.y -= screen_rect.position.y - limit[SIDE_TOP];
}
}
if (smoothing_enabled && !Engine::get_singleton()->is_editor_hint()) {
real_t c = smoothing * (process_callback == CAMERA2D_PROCESS_PHYSICS ? get_physics_process_delta_time() : get_process_delta_time());
smoothed_camera_pos = ((camera_pos - smoothed_camera_pos) * c) + smoothed_camera_pos;
ret_camera_pos = smoothed_camera_pos;
//camera_pos=camera_pos*(1.0-smoothing)+new_camera_pos*smoothing;
} else {
ret_camera_pos = smoothed_camera_pos = camera_pos;
}
} else {
ret_camera_pos = smoothed_camera_pos = camera_pos = new_camera_pos;
first = false;
}
Point2 screen_offset = (anchor_mode == ANCHOR_MODE_DRAG_CENTER ? (screen_size * 0.5 * zoom) : Point2());
real_t angle = get_global_transform().get_rotation();
if (rotating) {
screen_offset = screen_offset.rotated(angle);
}
Rect2 screen_rect(-screen_offset + ret_camera_pos, screen_size * zoom);
if (!limit_smoothing_enabled) {
if (screen_rect.position.x < limit[SIDE_LEFT]) {
screen_rect.position.x = limit[SIDE_LEFT];
}
if (screen_rect.position.x + screen_rect.size.x > limit[SIDE_RIGHT]) {
screen_rect.position.x = limit[SIDE_RIGHT] - screen_rect.size.x;
}
if (screen_rect.position.y + screen_rect.size.y > limit[SIDE_BOTTOM]) {
screen_rect.position.y = limit[SIDE_BOTTOM] - screen_rect.size.y;
}
if (screen_rect.position.y < limit[SIDE_TOP]) {
screen_rect.position.y = limit[SIDE_TOP];
}
}
if (offset != Vector2()) {
screen_rect.position += offset;
}
camera_screen_center = screen_rect.position + screen_rect.size * 0.5;
Transform2D xform;
xform.scale_basis(zoom);
if (rotating) {
xform.set_rotation(angle);
}
xform.set_origin(screen_rect.position /*.floor()*/);
/*
if (0) {
xform = get_global_transform() * xform;
} else {
xform.elements[2]+=get_global_transform().get_origin();
}
*/
return (xform).affine_inverse();
}
void Camera2D::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_INTERNAL_PROCESS:
case NOTIFICATION_INTERNAL_PHYSICS_PROCESS: {
_update_scroll();
} break;
case NOTIFICATION_TRANSFORM_CHANGED: {
if (!is_processing_internal() && !is_physics_processing_internal()) {
_update_scroll();
}
} break;
case NOTIFICATION_ENTER_TREE: {
if (custom_viewport && ObjectDB::get_instance(custom_viewport_id)) {
viewport = custom_viewport;
} else {
viewport = get_viewport();
}
if (is_current()) {
viewport->_camera_2d_set(this);
}
canvas = get_canvas();
RID vp = viewport->get_viewport_rid();
group_name = "__cameras_" + itos(vp.get_id());
canvas_group_name = "__cameras_c" + itos(canvas.get_id());
add_to_group(group_name);
add_to_group(canvas_group_name);
_update_process_callback();
_update_scroll();
first = true;
} break;
case NOTIFICATION_EXIT_TREE: {
if (is_current()) {
if (viewport && !(custom_viewport && !ObjectDB::get_instance(custom_viewport_id))) {
viewport->set_canvas_transform(Transform2D());
clear_current();
}
}
remove_from_group(group_name);
remove_from_group(canvas_group_name);
viewport = nullptr;
} break;
#ifdef TOOLS_ENABLED
case NOTIFICATION_DRAW: {
if (!is_inside_tree() || !Engine::get_singleton()->is_editor_hint()) {
break;
}
if (screen_drawing_enabled) {
Color area_axis_color(1, 0.4, 1, 0.63);
real_t area_axis_width = 1;
if (is_current()) {
area_axis_width = 3;
}
Transform2D inv_camera_transform = get_camera_transform().affine_inverse();
Size2 screen_size = _get_camera_screen_size();
Vector2 screen_endpoints[4] = {
inv_camera_transform.xform(Vector2(0, 0)),
inv_camera_transform.xform(Vector2(screen_size.width, 0)),
inv_camera_transform.xform(Vector2(screen_size.width, screen_size.height)),
inv_camera_transform.xform(Vector2(0, screen_size.height))
};
Transform2D inv_transform = get_global_transform().affine_inverse(); // undo global space
for (int i = 0; i < 4; i++) {
draw_line(inv_transform.xform(screen_endpoints[i]), inv_transform.xform(screen_endpoints[(i + 1) % 4]), area_axis_color, area_axis_width);
}
}
if (limit_drawing_enabled) {
Color limit_drawing_color(1, 1, 0.25, 0.63);
real_t limit_drawing_width = 1;
if (is_current()) {
limit_drawing_width = 3;
}
Vector2 camera_origin = get_global_transform().get_origin();
Vector2 camera_scale = get_global_transform().get_scale().abs();
Vector2 limit_points[4] = {
(Vector2(limit[SIDE_LEFT], limit[SIDE_TOP]) - camera_origin) / camera_scale,
(Vector2(limit[SIDE_RIGHT], limit[SIDE_TOP]) - camera_origin) / camera_scale,
(Vector2(limit[SIDE_RIGHT], limit[SIDE_BOTTOM]) - camera_origin) / camera_scale,
(Vector2(limit[SIDE_LEFT], limit[SIDE_BOTTOM]) - camera_origin) / camera_scale
};
for (int i = 0; i < 4; i++) {
draw_line(limit_points[i], limit_points[(i + 1) % 4], limit_drawing_color, limit_drawing_width);
}
}
if (margin_drawing_enabled) {
Color margin_drawing_color(0.25, 1, 1, 0.63);
real_t margin_drawing_width = 1;
if (is_current()) {
margin_drawing_width = 3;
}
Transform2D inv_camera_transform = get_camera_transform().affine_inverse();
Size2 screen_size = _get_camera_screen_size();
Vector2 margin_endpoints[4] = {
inv_camera_transform.xform(Vector2((screen_size.width / 2) - ((screen_size.width / 2) * drag_margin[SIDE_LEFT]), (screen_size.height / 2) - ((screen_size.height / 2) * drag_margin[SIDE_TOP]))),
inv_camera_transform.xform(Vector2((screen_size.width / 2) + ((screen_size.width / 2) * drag_margin[SIDE_RIGHT]), (screen_size.height / 2) - ((screen_size.height / 2) * drag_margin[SIDE_TOP]))),
inv_camera_transform.xform(Vector2((screen_size.width / 2) + ((screen_size.width / 2) * drag_margin[SIDE_RIGHT]), (screen_size.height / 2) + ((screen_size.height / 2) * drag_margin[SIDE_BOTTOM]))),
inv_camera_transform.xform(Vector2((screen_size.width / 2) - ((screen_size.width / 2) * drag_margin[SIDE_LEFT]), (screen_size.height / 2) + ((screen_size.height / 2) * drag_margin[SIDE_BOTTOM])))
};
Transform2D inv_transform = get_global_transform().affine_inverse(); // undo global space
for (int i = 0; i < 4; i++) {
draw_line(inv_transform.xform(margin_endpoints[i]), inv_transform.xform(margin_endpoints[(i + 1) % 4]), margin_drawing_color, margin_drawing_width);
}
}
} break;
#endif
}
}
void Camera2D::set_offset(const Vector2 &p_offset) {
offset = p_offset;
Point2 old_smoothed_camera_pos = smoothed_camera_pos;
_update_scroll();
smoothed_camera_pos = old_smoothed_camera_pos;
}
Vector2 Camera2D::get_offset() const {
return offset;
}
void Camera2D::set_anchor_mode(AnchorMode p_anchor_mode) {
anchor_mode = p_anchor_mode;
_update_scroll();
}
Camera2D::AnchorMode Camera2D::get_anchor_mode() const {
return anchor_mode;
}
void Camera2D::set_rotating(bool p_rotating) {
rotating = p_rotating;
Point2 old_smoothed_camera_pos = smoothed_camera_pos;
_update_scroll();
smoothed_camera_pos = old_smoothed_camera_pos;
}
bool Camera2D::is_rotating() const {
return rotating;
}
void Camera2D::set_process_callback(Camera2DProcessCallback p_mode) {
if (process_callback == p_mode) {
return;
}
process_callback = p_mode;
_update_process_callback();
}
Camera2D::Camera2DProcessCallback Camera2D::get_process_callback() const {
return process_callback;
}
void Camera2D::_make_current(Object *p_which) {
if (p_which == this) {
current = true;
if (is_inside_tree()) {
get_viewport()->_camera_2d_set(this);
update();
}
} else {
current = false;
if (is_inside_tree()) {
if (get_viewport()->get_camera_2d() == this) {
get_viewport()->_camera_2d_set(nullptr);
}
update();
}
}
}
void Camera2D::set_current(bool p_current) {
if (p_current) {
make_current();
} else {
if (current) {
clear_current();
}
}
}
bool Camera2D::is_current() const {
return current;
}
void Camera2D::make_current() {
if (is_inside_tree()) {
get_tree()->call_group_flags(SceneTree::GROUP_CALL_REALTIME, group_name, "_make_current", this);
} else {
current = true;
}
_update_scroll();
}
void Camera2D::clear_current() {
if (is_inside_tree()) {
get_tree()->call_group_flags(SceneTree::GROUP_CALL_REALTIME, group_name, "_make_current", (Object *)nullptr);
} else {
current = false;
}
}
void Camera2D::set_limit(Side p_side, int p_limit) {
ERR_FAIL_INDEX((int)p_side, 4);
limit[p_side] = p_limit;
update();
}
int Camera2D::get_limit(Side p_side) const {
ERR_FAIL_INDEX_V((int)p_side, 4, 0);
return limit[p_side];
}
void Camera2D::set_limit_smoothing_enabled(bool enable) {
limit_smoothing_enabled = enable;
_update_scroll();
}
bool Camera2D::is_limit_smoothing_enabled() const {
return limit_smoothing_enabled;
}
void Camera2D::set_drag_margin(Side p_side, real_t p_drag_margin) {
ERR_FAIL_INDEX((int)p_side, 4);
drag_margin[p_side] = p_drag_margin;
update();
}
real_t Camera2D::get_drag_margin(Side p_side) const {
ERR_FAIL_INDEX_V((int)p_side, 4, 0);
return drag_margin[p_side];
}
Vector2 Camera2D::get_camera_position() const {
return camera_pos;
}
void Camera2D::force_update_scroll() {
_update_scroll();
}
void Camera2D::reset_smoothing() {
_update_scroll();
smoothed_camera_pos = camera_pos;
}
void Camera2D::align() {
ERR_FAIL_COND(custom_viewport && !ObjectDB::get_instance(custom_viewport_id));
Size2 screen_size = _get_camera_screen_size();
Point2 current_camera_pos = get_global_transform().get_origin();
if (anchor_mode == ANCHOR_MODE_DRAG_CENTER) {
if (drag_horizontal_offset < 0) {
camera_pos.x = current_camera_pos.x + screen_size.x * 0.5 * drag_margin[SIDE_RIGHT] * drag_horizontal_offset;
} else {
camera_pos.x = current_camera_pos.x + screen_size.x * 0.5 * drag_margin[SIDE_LEFT] * drag_horizontal_offset;
}
if (drag_vertical_offset < 0) {
camera_pos.y = current_camera_pos.y + screen_size.y * 0.5 * drag_margin[SIDE_TOP] * drag_vertical_offset;
} else {
camera_pos.y = current_camera_pos.y + screen_size.y * 0.5 * drag_margin[SIDE_BOTTOM] * drag_vertical_offset;
}
} else if (anchor_mode == ANCHOR_MODE_FIXED_TOP_LEFT) {
camera_pos = current_camera_pos;
}
_update_scroll();
}
void Camera2D::set_follow_smoothing(real_t p_speed) {
smoothing = p_speed;
if (smoothing > 0 && !(is_inside_tree() && Engine::get_singleton()->is_editor_hint())) {
set_process_internal(true);
} else {
set_process_internal(false);
}
}
real_t Camera2D::get_follow_smoothing() const {
return smoothing;
}
Point2 Camera2D::get_camera_screen_center() const {
return camera_screen_center;
}
Size2 Camera2D::_get_camera_screen_size() const {
// special case if the camera2D is in the root viewport
if (Engine::get_singleton()->is_editor_hint() && get_viewport()->get_parent_viewport() == get_tree()->get_root()) {
return Size2(ProjectSettings::get_singleton()->get("display/window/size/width"), ProjectSettings::get_singleton()->get("display/window/size/height"));
}
return get_viewport_rect().size;
}
void Camera2D::set_drag_horizontal_enabled(bool p_enabled) {
drag_horizontal_enabled = p_enabled;
}
bool Camera2D::is_drag_horizontal_enabled() const {
return drag_horizontal_enabled;
}
void Camera2D::set_drag_vertical_enabled(bool p_enabled) {
drag_vertical_enabled = p_enabled;
}
bool Camera2D::is_drag_vertical_enabled() const {
return drag_vertical_enabled;
}
void Camera2D::set_drag_vertical_offset(real_t p_offset) {
drag_vertical_offset = p_offset;
drag_vertical_offset_changed = true;
Point2 old_smoothed_camera_pos = smoothed_camera_pos;
_update_scroll();
smoothed_camera_pos = old_smoothed_camera_pos;
}
real_t Camera2D::get_drag_vertical_offset() const {
return drag_vertical_offset;
}
void Camera2D::set_drag_horizontal_offset(real_t p_offset) {
drag_horizontal_offset = p_offset;
drag_horizontal_offset_changed = true;
Point2 old_smoothed_camera_pos = smoothed_camera_pos;
_update_scroll();
smoothed_camera_pos = old_smoothed_camera_pos;
}
real_t Camera2D::get_drag_horizontal_offset() const {
return drag_horizontal_offset;
}
void Camera2D::_set_old_smoothing(real_t p_enable) {
//compatibility
if (p_enable > 0) {
smoothing_enabled = true;
set_follow_smoothing(p_enable);
}
}
void Camera2D::set_enable_follow_smoothing(bool p_enabled) {
smoothing_enabled = p_enabled;
notify_property_list_changed();
}
bool Camera2D::is_follow_smoothing_enabled() const {
return smoothing_enabled;
}
void Camera2D::set_custom_viewport(Node *p_viewport) {
ERR_FAIL_NULL(p_viewport);
if (is_inside_tree()) {
remove_from_group(group_name);
remove_from_group(canvas_group_name);
}
custom_viewport = Object::cast_to<Viewport>(p_viewport);
if (custom_viewport) {
custom_viewport_id = custom_viewport->get_instance_id();
} else {
custom_viewport_id = ObjectID();
}
if (is_inside_tree()) {
if (custom_viewport) {
viewport = custom_viewport;
} else {
viewport = get_viewport();
}
RID vp = viewport->get_viewport_rid();
group_name = "__cameras_" + itos(vp.get_id());
canvas_group_name = "__cameras_c" + itos(canvas.get_id());
add_to_group(group_name);
add_to_group(canvas_group_name);
}
}
Node *Camera2D::get_custom_viewport() const {
return custom_viewport;
}
void Camera2D::set_screen_drawing_enabled(bool enable) {
screen_drawing_enabled = enable;
#ifdef TOOLS_ENABLED
update();
#endif
}
bool Camera2D::is_screen_drawing_enabled() const {
return screen_drawing_enabled;
}
void Camera2D::set_limit_drawing_enabled(bool enable) {
limit_drawing_enabled = enable;
#ifdef TOOLS_ENABLED
update();
#endif
}
bool Camera2D::is_limit_drawing_enabled() const {
return limit_drawing_enabled;
}
void Camera2D::set_margin_drawing_enabled(bool enable) {
margin_drawing_enabled = enable;
#ifdef TOOLS_ENABLED
update();
#endif
}
bool Camera2D::is_margin_drawing_enabled() const {
return margin_drawing_enabled;
}
void Camera2D::_validate_property(PropertyInfo &property) const {
if (!smoothing_enabled && property.name == "smoothing_speed") {
property.usage = PROPERTY_USAGE_NOEDITOR;
}
}
void Camera2D::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_offset", "offset"), &Camera2D::set_offset);
ClassDB::bind_method(D_METHOD("get_offset"), &Camera2D::get_offset);
ClassDB::bind_method(D_METHOD("set_anchor_mode", "anchor_mode"), &Camera2D::set_anchor_mode);
ClassDB::bind_method(D_METHOD("get_anchor_mode"), &Camera2D::get_anchor_mode);
ClassDB::bind_method(D_METHOD("set_rotating", "rotating"), &Camera2D::set_rotating);
ClassDB::bind_method(D_METHOD("is_rotating"), &Camera2D::is_rotating);
ClassDB::bind_method(D_METHOD("_update_scroll"), &Camera2D::_update_scroll);
ClassDB::bind_method(D_METHOD("set_process_callback", "mode"), &Camera2D::set_process_callback);
ClassDB::bind_method(D_METHOD("get_process_callback"), &Camera2D::get_process_callback);
ClassDB::bind_method(D_METHOD("set_current", "current"), &Camera2D::set_current);
ClassDB::bind_method(D_METHOD("is_current"), &Camera2D::is_current);
ClassDB::bind_method(D_METHOD("_make_current"), &Camera2D::_make_current);
ClassDB::bind_method(D_METHOD("set_limit", "margin", "limit"), &Camera2D::set_limit);
ClassDB::bind_method(D_METHOD("get_limit", "margin"), &Camera2D::get_limit);
ClassDB::bind_method(D_METHOD("set_limit_smoothing_enabled", "limit_smoothing_enabled"), &Camera2D::set_limit_smoothing_enabled);
ClassDB::bind_method(D_METHOD("is_limit_smoothing_enabled"), &Camera2D::is_limit_smoothing_enabled);
ClassDB::bind_method(D_METHOD("set_drag_vertical_enabled", "enabled"), &Camera2D::set_drag_vertical_enabled);
ClassDB::bind_method(D_METHOD("is_drag_vertical_enabled"), &Camera2D::is_drag_vertical_enabled);
ClassDB::bind_method(D_METHOD("set_drag_horizontal_enabled", "enabled"), &Camera2D::set_drag_horizontal_enabled);
ClassDB::bind_method(D_METHOD("is_drag_horizontal_enabled"), &Camera2D::is_drag_horizontal_enabled);
ClassDB::bind_method(D_METHOD("set_drag_vertical_offset", "offset"), &Camera2D::set_drag_vertical_offset);
ClassDB::bind_method(D_METHOD("get_drag_vertical_offset"), &Camera2D::get_drag_vertical_offset);
ClassDB::bind_method(D_METHOD("set_drag_horizontal_offset", "offset"), &Camera2D::set_drag_horizontal_offset);
ClassDB::bind_method(D_METHOD("get_drag_horizontal_offset"), &Camera2D::get_drag_horizontal_offset);
ClassDB::bind_method(D_METHOD("set_drag_margin", "margin", "drag_margin"), &Camera2D::set_drag_margin);
ClassDB::bind_method(D_METHOD("get_drag_margin", "margin"), &Camera2D::get_drag_margin);
ClassDB::bind_method(D_METHOD("get_camera_position"), &Camera2D::get_camera_position);
ClassDB::bind_method(D_METHOD("get_camera_screen_center"), &Camera2D::get_camera_screen_center);
ClassDB::bind_method(D_METHOD("set_zoom", "zoom"), &Camera2D::set_zoom);
ClassDB::bind_method(D_METHOD("get_zoom"), &Camera2D::get_zoom);
ClassDB::bind_method(D_METHOD("set_custom_viewport", "viewport"), &Camera2D::set_custom_viewport);
ClassDB::bind_method(D_METHOD("get_custom_viewport"), &Camera2D::get_custom_viewport);
ClassDB::bind_method(D_METHOD("set_follow_smoothing", "follow_smoothing"), &Camera2D::set_follow_smoothing);
ClassDB::bind_method(D_METHOD("get_follow_smoothing"), &Camera2D::get_follow_smoothing);
ClassDB::bind_method(D_METHOD("set_enable_follow_smoothing", "follow_smoothing"), &Camera2D::set_enable_follow_smoothing);
ClassDB::bind_method(D_METHOD("is_follow_smoothing_enabled"), &Camera2D::is_follow_smoothing_enabled);
ClassDB::bind_method(D_METHOD("force_update_scroll"), &Camera2D::force_update_scroll);
ClassDB::bind_method(D_METHOD("reset_smoothing"), &Camera2D::reset_smoothing);
ClassDB::bind_method(D_METHOD("align"), &Camera2D::align);
ClassDB::bind_method(D_METHOD("_set_old_smoothing", "follow_smoothing"), &Camera2D::_set_old_smoothing);
ClassDB::bind_method(D_METHOD("set_screen_drawing_enabled", "screen_drawing_enabled"), &Camera2D::set_screen_drawing_enabled);
ClassDB::bind_method(D_METHOD("is_screen_drawing_enabled"), &Camera2D::is_screen_drawing_enabled);
ClassDB::bind_method(D_METHOD("set_limit_drawing_enabled", "limit_drawing_enabled"), &Camera2D::set_limit_drawing_enabled);
ClassDB::bind_method(D_METHOD("is_limit_drawing_enabled"), &Camera2D::is_limit_drawing_enabled);
ClassDB::bind_method(D_METHOD("set_margin_drawing_enabled", "margin_drawing_enabled"), &Camera2D::set_margin_drawing_enabled);
ClassDB::bind_method(D_METHOD("is_margin_drawing_enabled"), &Camera2D::is_margin_drawing_enabled);
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "offset"), "set_offset", "get_offset");
ADD_PROPERTY(PropertyInfo(Variant::INT, "anchor_mode", PROPERTY_HINT_ENUM, "Fixed TopLeft,Drag Center"), "set_anchor_mode", "get_anchor_mode");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "rotating"), "set_rotating", "is_rotating");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "current"), "set_current", "is_current");
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "zoom"), "set_zoom", "get_zoom");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "custom_viewport", PROPERTY_HINT_RESOURCE_TYPE, "Viewport", PROPERTY_USAGE_NONE), "set_custom_viewport", "get_custom_viewport");
ADD_PROPERTY(PropertyInfo(Variant::INT, "process_callback", PROPERTY_HINT_ENUM, "Physics,Idle"), "set_process_callback", "get_process_callback");
ADD_GROUP("Limit", "limit_");
ADD_PROPERTYI(PropertyInfo(Variant::INT, "limit_left"), "set_limit", "get_limit", SIDE_LEFT);
ADD_PROPERTYI(PropertyInfo(Variant::INT, "limit_top"), "set_limit", "get_limit", SIDE_TOP);
ADD_PROPERTYI(PropertyInfo(Variant::INT, "limit_right"), "set_limit", "get_limit", SIDE_RIGHT);
ADD_PROPERTYI(PropertyInfo(Variant::INT, "limit_bottom"), "set_limit", "get_limit", SIDE_BOTTOM);
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "limit_smoothed"), "set_limit_smoothing_enabled", "is_limit_smoothing_enabled");
ADD_GROUP("Smoothing", "smoothing_");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "smoothing_enabled"), "set_enable_follow_smoothing", "is_follow_smoothing_enabled");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "smoothing_speed"), "set_follow_smoothing", "get_follow_smoothing");
ADD_GROUP("Drag", "drag_");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "drag_horizontal_enabled"), "set_drag_horizontal_enabled", "is_drag_horizontal_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "drag_vertical_enabled"), "set_drag_vertical_enabled", "is_drag_vertical_enabled");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "drag_horizontal_offset", PROPERTY_HINT_RANGE, "-1,1,0.01"), "set_drag_horizontal_offset", "get_drag_horizontal_offset");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "drag_vertical_offset", PROPERTY_HINT_RANGE, "-1,1,0.01"), "set_drag_vertical_offset", "get_drag_vertical_offset");
ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "drag_left_margin", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_drag_margin", "get_drag_margin", SIDE_LEFT);
ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "drag_top_margin", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_drag_margin", "get_drag_margin", SIDE_TOP);
ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "drag_right_margin", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_drag_margin", "get_drag_margin", SIDE_RIGHT);
ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "drag_bottom_margin", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_drag_margin", "get_drag_margin", SIDE_BOTTOM);
ADD_GROUP("Editor", "editor_");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "editor_draw_screen"), "set_screen_drawing_enabled", "is_screen_drawing_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "editor_draw_limits"), "set_limit_drawing_enabled", "is_limit_drawing_enabled");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "editor_draw_drag_margin"), "set_margin_drawing_enabled", "is_margin_drawing_enabled");
BIND_ENUM_CONSTANT(ANCHOR_MODE_FIXED_TOP_LEFT);
BIND_ENUM_CONSTANT(ANCHOR_MODE_DRAG_CENTER);
BIND_ENUM_CONSTANT(CAMERA2D_PROCESS_PHYSICS);
BIND_ENUM_CONSTANT(CAMERA2D_PROCESS_IDLE);
}
Camera2D::Camera2D() {
limit[SIDE_LEFT] = -10000000;
limit[SIDE_TOP] = -10000000;
limit[SIDE_RIGHT] = 10000000;
limit[SIDE_BOTTOM] = 10000000;
drag_margin[SIDE_LEFT] = 0.2;
drag_margin[SIDE_TOP] = 0.2;
drag_margin[SIDE_RIGHT] = 0.2;
drag_margin[SIDE_BOTTOM] = 0.2;
set_notify_transform(true);
}
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