Vector3 Camera::project_position(const Point2& p_point) const {
if (!is_inside_tree()) {
ERR_EXPLAIN("Camera is not inside scene.");
ERR_FAIL_COND_V(!is_inside_tree(),Vector3());
}
Size2 viewport_size = get_viewport()->get_visible_rect().size;
CameraMatrix cm;
if (mode==PROJECTION_ORTHOGONAL)
cm.set_orthogonal(size,viewport_size.get_aspect(),near,far,keep_aspect==KEEP_WIDTH);
else
cm.set_perspective(fov,viewport_size.get_aspect(),near,far,keep_aspect==KEEP_WIDTH);
Size2 vp_size;
cm.get_viewport_size(vp_size.x,vp_size.y);
Vector2 point;
point.x = (p_point.x/viewport_size.x) * 2.0 - 1.0;
point.y = (1.0-(p_point.y/viewport_size.y)) * 2.0 - 1.0;
point*=vp_size;
Vector3 p(point.x,point.y,-near);
return get_camera_transform().xform(p);
}
Vector3 ARVRCamera::project_position(const Point2 &p_point) const {
// get our ARVRServer
ARVRServer *arvr_server = ARVRServer::get_singleton();
ERR_FAIL_NULL_V(arvr_server, Vector3());
Ref<ARVRInterface> arvr_interface = arvr_server->get_primary_interface();
if (arvr_interface.is_null()) {
// we might be in the editor or have VR turned off, just call superclass
return Camera::project_position(p_point);
}
if (!is_inside_tree()) {
ERR_EXPLAIN("Camera is not inside scene.");
ERR_FAIL_COND_V(!is_inside_tree(), Vector3());
};
Size2 viewport_size = get_viewport()->get_visible_rect().size;
CameraMatrix cm = arvr_interface->get_projection_for_eye(ARVRInterface::EYE_MONO, viewport_size.aspect(), get_znear(), get_zfar());
Size2 vp_size;
cm.get_viewport_size(vp_size.x, vp_size.y);
Vector2 point;
point.x = (p_point.x / viewport_size.x) * 2.0 - 1.0;
point.y = (1.0 - (p_point.y / viewport_size.y)) * 2.0 - 1.0;
point *= vp_size;
Vector3 p(point.x, point.y, -get_znear());
return get_camera_transform().xform(p);
};
Point2 Camera::unproject_position(const Vector3& p_pos) const {
if (!is_inside_tree()) {
ERR_EXPLAIN("Camera is not inside scene.");
ERR_FAIL_COND_V(!is_inside_tree(),Vector2());
}
Size2 viewport_size = get_viewport()->get_visible_rect().size;
CameraMatrix cm;
if (mode==PROJECTION_ORTHOGONAL)
cm.set_orthogonal(size,viewport_size.get_aspect(),near,far,keep_aspect==KEEP_WIDTH);
else
cm.set_perspective(fov,viewport_size.get_aspect(),near,far,keep_aspect==KEEP_WIDTH);
Plane p(get_camera_transform().xform_inv(p_pos),1.0);
p=cm.xform4(p);
p.normal/=p.d;
Point2 res;
res.x = (p.normal.x * 0.5 + 0.5) * viewport_size.x;
res.y = (-p.normal.y * 0.5 + 0.5) * viewport_size.y;
return res;
}
Point2 ARVRCamera::unproject_position(const Vector3 &p_pos) const {
// get our ARVRServer
ARVRServer *arvr_server = ARVRServer::get_singleton();
ERR_FAIL_NULL_V(arvr_server, Vector2());
Ref<ARVRInterface> arvr_interface = arvr_server->get_primary_interface();
if (arvr_interface.is_null()) {
// we might be in the editor or have VR turned off, just call superclass
return Camera::unproject_position(p_pos);
}
if (!is_inside_tree()) {
ERR_EXPLAIN("Camera is not inside scene.");
ERR_FAIL_COND_V(!is_inside_tree(), Vector2());
};
Size2 viewport_size = get_viewport()->get_visible_rect().size;
CameraMatrix cm = arvr_interface->get_projection_for_eye(ARVRInterface::EYE_MONO, viewport_size.aspect(), get_znear(), get_zfar());
Plane p(get_camera_transform().xform_inv(p_pos), 1.0);
p = cm.xform4(p);
p.normal /= p.d;
Point2 res;
res.x = (p.normal.x * 0.5 + 0.5) * viewport_size.x;
res.y = (-p.normal.y * 0.5 + 0.5) * viewport_size.y;
return res;
};
void Camera::look_at(const Vector3& p_target, const Vector3& p_up_normal) {
Transform lookat;
lookat.origin=get_camera_transform().origin;
lookat=lookat.looking_at(p_target,p_up_normal);
set_global_transform(lookat);
}
void Camera2D::_update_scroll() {
if (!is_inside_tree())
return;
if (get_tree()->is_editor_hint()) {
update(); //will just be drawn
return;
}
if (current) {
ERR_FAIL_COND(custom_viewport && !ObjectDB::get_instance(custom_viewport_id));
Matrix32 xform = get_camera_transform();
if (viewport) {
viewport->set_canvas_transform(xform);
}
Size2 screen_size = viewport->get_visible_rect().size;
Point2 screen_offset = (anchor_mode == ANCHOR_MODE_DRAG_CENTER ? (screen_size * 0.5) : Point2());
get_tree()->call_group(SceneTree::GROUP_CALL_REALTIME, group_name, "_camera_moved", xform, screen_offset);
};
}
Vector3 Camera::project_ray_origin(const Point2& p_pos) const {
if (!is_inside_tree()) {
ERR_EXPLAIN("Camera is not inside scene.");
ERR_FAIL_COND_V(!is_inside_tree(),Vector3());
}
#if 0
Size2 viewport_size = get_viewport()->get_visible_rect().size;
Vector2 cpos = p_pos;
#else
Size2 viewport_size = get_viewport()->get_camera_rect_size();
Vector2 cpos = get_viewport()->get_camera_coords(p_pos);
#endif
ERR_FAIL_COND_V( viewport_size.y == 0, Vector3() );
// float aspect = viewport_size.x / viewport_size.y;
if (mode == PROJECTION_PERSPECTIVE) {
return get_camera_transform().origin;
} else {
Vector2 pos = cpos / viewport_size;
float vsize,hsize;
if (keep_aspect==KEEP_WIDTH) {
vsize = size/viewport_size.get_aspect();
hsize = size;
} else {
hsize = size*viewport_size.get_aspect();
vsize = size;
}
Vector3 ray;
ray.x = pos.x * (hsize) - hsize/2;
ray.y = (1.0 - pos.y) * (vsize) - vsize/2;
ray.z = -near;
ray = get_camera_transform().xform(ray);
return ray;
};
};
Vector<Plane> Camera::get_frustum() const {
ERR_FAIL_COND_V(!is_inside_world(), Vector<Plane>());
Size2 viewport_size = get_viewport()->get_visible_rect().size;
CameraMatrix cm;
if (mode == PROJECTION_PERSPECTIVE)
cm.set_perspective(fov, viewport_size.aspect(), near, far, keep_aspect == KEEP_WIDTH);
else
cm.set_orthogonal(size, viewport_size.aspect(), near, far, keep_aspect == KEEP_WIDTH);
return cm.get_projection_planes(get_camera_transform());
}
Vector<Plane> ARVRCamera::get_frustum() const {
// get our ARVRServer
ARVRServer *arvr_server = ARVRServer::get_singleton();
ERR_FAIL_NULL_V(arvr_server, Vector<Plane>());
Ref<ARVRInterface> arvr_interface = arvr_server->get_primary_interface();
ERR_FAIL_COND_V(arvr_interface.is_null(), Vector<Plane>());
ERR_FAIL_COND_V(!is_inside_world(), Vector<Plane>());
Size2 viewport_size = get_viewport()->get_visible_rect().size;
CameraMatrix cm = arvr_interface->get_projection_for_eye(ARVRInterface::EYE_MONO, viewport_size.aspect(), get_znear(), get_zfar());
return cm.get_projection_planes(get_camera_transform());
};
void Camera::_update_camera() {
Transform tr = get_camera_transform();
tr.origin += tr.basis.get_axis(1) * v_offset;
tr.origin += tr.basis.get_axis(0) * h_offset;
VisualServer::get_singleton()->camera_set_transform(camera, tr);
// here goes listener stuff
// if (viewport_ptr && is_inside_scene() && is_current())
// get_viewport()->_camera_transform_changed_notify();
if (is_inside_tree() && is_current()) {
get_viewport()->_camera_transform_changed_notify();
}
if (is_current() && get_world().is_valid()) {
get_world()->_update_camera(this);
}
}
void Camera::_update_camera() {
Transform tr = get_camera_transform();
VisualServer::get_singleton()->camera_set_transform( camera, tr );
// here goes listener stuff
// if (viewport_ptr && is_inside_scene() && is_current())
// viewport_ptr->_camera_transform_changed_notify();
if (is_inside_scene() && is_current()) {
if (viewport_ptr) {
viewport_ptr->_camera_transform_changed_notify();
}
}
if (is_current() && get_world().is_valid()) {
get_world()->_update_camera(this);
}
}
void Camera2D::_update_scroll() {
if (!is_inside_tree())
return;
if (get_tree()->is_editor_hint()) {
update(); //will just be drawn
return;
}
if (current) {
Matrix32 xform = get_camera_transform();
RID vp = viewport->get_viewport();
if (viewport) {
viewport->set_canvas_transform( xform );
}
get_tree()->call_group(SceneTree::GROUP_CALL_REALTIME,group_name,"_camera_moved",xform);
};
}
void Camera2D::_update_scroll() {
if (!is_inside_tree())
return;
if (Engine::get_singleton()->is_editor_hint()) {
update(); //will just be drawn
return;
}
if (current) {
ERR_FAIL_COND(custom_viewport && !ObjectDB::get_instance(custom_viewport_id));
Transform2D xform = get_camera_transform();
if (viewport) {
viewport->set_canvas_transform(xform);
}
get_tree()->call_group_flags(SceneTree::GROUP_CALL_REALTIME, group_name, "_camera_moved", xform);
};
}
Vector3 Camera::project_ray_normal(const Point2& p_pos) const {
Vector3 ray = project_local_ray_normal(p_pos);
return get_camera_transform().basis.xform(ray).normalized();
};
void Camera2D::_notification(int p_what) {
switch(p_what) {
case NOTIFICATION_FIXED_PROCESS: {
_update_scroll();
} break;
case NOTIFICATION_TRANSFORM_CHANGED: {
if (!is_fixed_processing())
_update_scroll();
} break;
case NOTIFICATION_ENTER_TREE: {
viewport = NULL;
Node *n=this;
while(n){
viewport = n->cast_to<Viewport>();
if (viewport)
break;
n=n->get_parent();
}
canvas = get_canvas();
RID vp = viewport->get_viewport();
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_scroll();
first=true;
} break;
case NOTIFICATION_EXIT_TREE: {
if (is_current()) {
if (viewport) {
viewport->set_canvas_transform( Matrix32() );
}
}
remove_from_group(group_name);
remove_from_group(canvas_group_name);
viewport=NULL;
} break;
case NOTIFICATION_DRAW: {
if (!is_inside_tree() || !get_tree()->is_editor_hint())
break;
Color area_axis_color(0.5, 0.42, 0.87, 0.63);
float area_axis_width = 1;
if(current)
area_axis_width = 3;
Matrix32 inv_camera_transform = get_camera_transform().affine_inverse();
Size2 screen_size = get_viewport_rect().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))
};
Matrix32 inv_transform = get_transform().affine_inverse(); // undo global space
draw_set_transform(inv_transform.get_origin(), inv_transform.get_rotation(), inv_transform.get_scale());
for(int i=0;i<4;i++) {
draw_line(screen_endpoints[i], screen_endpoints[(i+1)%4], area_axis_color, area_axis_width);
}
} break;
}
}
void Camera2D::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_FIXED_PROCESS: {
_update_scroll();
} break;
case NOTIFICATION_TRANSFORM_CHANGED: {
if (!is_fixed_processing())
_update_scroll();
} break;
case NOTIFICATION_ENTER_TREE: {
if (custom_viewport && ObjectDB::get_instance(custom_viewport_id)) {
viewport = custom_viewport;
} else {
viewport = get_viewport();
}
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);
if (Engine::get_singleton()->is_editor_hint()) {
set_fixed_process(false);
}
_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());
}
}
remove_from_group(group_name);
remove_from_group(canvas_group_name);
viewport = NULL;
} break;
case NOTIFICATION_DRAW: {
if (!is_inside_tree() || !Engine::get_singleton()->is_editor_hint())
break;
if (screen_drawing_enabled) {
Color area_axis_color(0.5, 0.42, 0.87, 0.63);
float area_axis_width = 1;
if (is_current()) {
area_axis_width = 3;
area_axis_color.a = 0.83;
}
Transform2D inv_camera_transform = get_camera_transform().affine_inverse();
Size2 screen_size = get_viewport_rect().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, 0.63);
float limit_drawing_width = 1;
if (is_current()) {
limit_drawing_color.a = 0.83;
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[MARGIN_LEFT], limit[MARGIN_TOP]) - camera_origin) / camera_scale,
(Vector2(limit[MARGIN_RIGHT], limit[MARGIN_TOP]) - camera_origin) / camera_scale,
(Vector2(limit[MARGIN_RIGHT], limit[MARGIN_BOTTOM]) - camera_origin) / camera_scale,
(Vector2(limit[MARGIN_LEFT], limit[MARGIN_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, 1, 1, 0.63);
float margin_drawing_width = 1;
if (is_current()) {
margin_drawing_width = 3;
margin_drawing_color.a = 0.83;
}
Transform2D inv_camera_transform = get_camera_transform().affine_inverse();
Size2 screen_size = get_viewport_rect().size;
Vector2 margin_endpoints[4] = {
inv_camera_transform.xform(Vector2((screen_size.width / 2) - ((screen_size.width / 2) * drag_margin[MARGIN_LEFT]), (screen_size.height / 2) - ((screen_size.height / 2) * drag_margin[MARGIN_TOP]))),
inv_camera_transform.xform(Vector2((screen_size.width / 2) + ((screen_size.width / 2) * drag_margin[MARGIN_RIGHT]), (screen_size.height / 2) - ((screen_size.height / 2) * drag_margin[MARGIN_TOP]))),
inv_camera_transform.xform(Vector2((screen_size.width / 2) + ((screen_size.width / 2) * drag_margin[MARGIN_RIGHT]), (screen_size.height / 2) + ((screen_size.height / 2) * drag_margin[MARGIN_BOTTOM]))),
inv_camera_transform.xform(Vector2((screen_size.width / 2) - ((screen_size.width / 2) * drag_margin[MARGIN_LEFT]), (screen_size.height / 2) + ((screen_size.height / 2) * drag_margin[MARGIN_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;
}
}
