InputEvent InputEvent::xform_by(const Matrix32& p_xform) const {
InputEvent ev=*this;
switch(ev.type) {
case InputEvent::MOUSE_BUTTON: {
Vector2 g = p_xform.xform(Vector2(ev.mouse_button.global_x,ev.mouse_button.global_y));
Vector2 l = p_xform.xform(Vector2(ev.mouse_button.x,ev.mouse_button.y));
ev.mouse_button.x=l.x;
ev.mouse_button.y=l.y;
ev.mouse_button.global_x=g.x;
ev.mouse_button.global_y=g.y;
} break;
case InputEvent::MOUSE_MOTION: {
Vector2 g = p_xform.xform(Vector2(ev.mouse_motion.global_x,ev.mouse_motion.global_y));
Vector2 l = p_xform.xform(Vector2(ev.mouse_motion.x,ev.mouse_motion.y));
Vector2 r = p_xform.basis_xform(Vector2(ev.mouse_motion.relative_x,ev.mouse_motion.relative_y));
Vector2 s = p_xform.basis_xform(Vector2(ev.mouse_motion.speed_x,ev.mouse_motion.speed_y));
ev.mouse_motion.x=l.x;
ev.mouse_motion.y=l.y;
ev.mouse_motion.global_x=g.x;
ev.mouse_motion.global_y=g.y;
ev.mouse_motion.relative_x=r.x;
ev.mouse_motion.relative_y=r.y;
ev.mouse_motion.speed_x=s.x;
ev.mouse_motion.speed_y=s.y;
} break;
case InputEvent::SCREEN_TOUCH: {
Vector2 t = p_xform.xform(Vector2(ev.screen_touch.x,ev.screen_touch.y));
ev.screen_touch.x=t.x;
ev.screen_touch.y=t.y;
} break;
case InputEvent::SCREEN_DRAG: {
Vector2 t = p_xform.xform(Vector2(ev.screen_drag.x,ev.screen_drag.y));
Vector2 r = p_xform.basis_xform(Vector2(ev.screen_drag.relative_x,ev.screen_drag.relative_y));
Vector2 s = p_xform.basis_xform(Vector2(ev.screen_drag.speed_x,ev.screen_drag.speed_y));
ev.screen_drag.x=t.x;
ev.screen_drag.y=t.y;
ev.screen_drag.relative_x=r.x;
ev.screen_drag.relative_y=r.y;
ev.screen_drag.speed_x=s.x;
ev.screen_drag.speed_y=s.y;
} break;
}
return ev;
}
void Polygon2DEditor::_uv_draw() {
Ref<Texture> base_tex = node->get_texture();
if (base_tex.is_null())
return;
Matrix32 mtx;
mtx.elements[2]=-uv_draw_ofs;
mtx.scale_basis(Vector2(uv_draw_zoom,uv_draw_zoom));
VS::get_singleton()->canvas_item_set_clip(uv_edit_draw->get_canvas_item(),true);
VS::get_singleton()->canvas_item_add_set_transform(uv_edit_draw->get_canvas_item(),mtx);
uv_edit_draw->draw_texture(base_tex,Point2());
VS::get_singleton()->canvas_item_add_set_transform(uv_edit_draw->get_canvas_item(),Matrix32());
DVector<Vector2> uvs = node->get_uv();
Ref<Texture> handle = get_icon("EditorHandle","EditorIcons");
Rect2 rect(Point2(),mtx.basis_xform(base_tex->get_size()));
rect.expand_to(mtx.basis_xform(uv_edit_draw->get_size()));
for(int i=0;i<uvs.size();i++) {
int next = (i+1)%uvs.size();
uv_edit_draw->draw_line(mtx.xform(uvs[i]),mtx.xform(uvs[next]),Color(0.9,0.5,0.5),2);
uv_edit_draw->draw_texture(handle,mtx.xform(uvs[i])-handle->get_size()*0.5);
rect.expand_to(mtx.basis_xform(uvs[i]));
}
rect=rect.grow(200);
updating_uv_scroll=true;
uv_hscroll->set_min(rect.pos.x);
uv_hscroll->set_max(rect.pos.x+rect.size.x);
uv_hscroll->set_page(uv_edit_draw->get_size().x);
uv_hscroll->set_val(uv_draw_ofs.x);
uv_hscroll->set_step(0.001);
uv_vscroll->set_min(rect.pos.y);
uv_vscroll->set_max(rect.pos.y+rect.size.y);
uv_vscroll->set_page(uv_edit_draw->get_size().y);
uv_vscroll->set_val(uv_draw_ofs.y);
uv_vscroll->set_step(0.001);
updating_uv_scroll=false;
}
bool BodyPair2DSW::_test_ccd(float p_step,Body2DSW *p_A, int p_shape_A,const Matrix32& p_xform_A,Body2DSW *p_B, int p_shape_B,const Matrix32& p_xform_B,bool p_swap_result) {
Vector2 motion = p_A->get_linear_velocity()*p_step;
real_t mlen = motion.length();
if (mlen<CMP_EPSILON)
return false;
Vector2 mnormal = motion / mlen;
real_t min,max;
p_A->get_shape(p_shape_A)->project_rangev(mnormal,p_xform_A,min,max);
bool fast_object = mlen > (max-min)*0.3; //going too fast in that direction
if (!fast_object) { //did it move enough in this direction to even attempt raycast? let's say it should move more than 1/3 the size of the object in that axis
return false;
}
//cast a segment from support in motion normal, in the same direction of motion by motion length
//support is the worst case collision point, so real collision happened before
int a;
Vector2 s[2];
p_A->get_shape(p_shape_A)->get_supports(p_xform_A.basis_xform(mnormal).normalized(),s,a);
Vector2 from = p_xform_A.xform(s[0]);
Vector2 to = from + motion;
Matrix32 from_inv = p_xform_B.affine_inverse();
Vector2 local_from = from_inv.xform(from-mnormal*mlen*0.1); //start from a little inside the bounding box
Vector2 local_to = from_inv.xform(to);
Vector2 rpos,rnorm;
if (!p_B->get_shape(p_shape_B)->intersect_segment(local_from,local_to,rpos,rnorm))
return false;
//ray hit something
Vector2 hitpos = p_xform_B.xform(rpos);
Vector2 contact_A = to;
Vector2 contact_B = hitpos;
//create a contact
if (p_swap_result)
_contact_added_callback(contact_B,contact_A);
else
_contact_added_callback(contact_A,contact_B);
return true;
}
bool CollisionSolver2DSW::solve_static_line(const Shape2DSW *p_shape_A,const Matrix32& p_transform_A,const Shape2DSW *p_shape_B,const Matrix32& p_transform_B,CallbackResult p_result_callback,void *p_userdata,bool p_swap_result) {
const LineShape2DSW *line = static_cast<const LineShape2DSW*>(p_shape_A);
if (p_shape_B->get_type()==Physics2DServer::SHAPE_LINE)
return false;
Vector2 n = p_transform_A.basis_xform(line->get_normal()).normalized();
Vector2 p = p_transform_A.xform(line->get_normal()*line->get_d());
real_t d = n.dot(p);
Vector2 supports[2];
int support_count;
p_shape_B->get_supports(p_transform_A.affine_inverse().basis_xform(-n).normalized(),supports,support_count);
bool found=false;
for(int i=0;i<support_count;i++) {
supports[i] = p_transform_B.xform( supports[i] );
real_t pd = n.dot(supports[i]);
if (pd>=d)
continue;
found=true;
Vector2 support_A = supports[i] - n*(pd-d);
if (p_result_callback) {
if (p_swap_result)
p_result_callback(supports[i],support_A,p_userdata);
else
p_result_callback(support_A,supports[i],p_userdata);
}
}
return found;
}
void SpriteRegionEditor::_region_draw()
{
Ref<Texture> base_tex = node->get_texture();
if (base_tex.is_null())
return;
Matrix32 mtx;
mtx.elements[2]=-draw_ofs;
mtx.scale_basis(Vector2(draw_zoom,draw_zoom));
VS::get_singleton()->canvas_item_set_clip(edit_draw->get_canvas_item(),true);
VS::get_singleton()->canvas_item_add_set_transform(edit_draw->get_canvas_item(),mtx);
edit_draw->draw_texture(base_tex,Point2());
VS::get_singleton()->canvas_item_add_set_transform(edit_draw->get_canvas_item(),Matrix32());
if (snap_show_grid) {
Size2 s = edit_draw->get_size();
int last_cell;
if (snap_step.x!=0) {
for(int i=0;i<s.width;i++) {
int cell = Math::fast_ftoi(Math::floor((mtx.affine_inverse().xform(Vector2(i,0)).x-snap_offset.x)/snap_step.x));
if (i==0)
last_cell=cell;
if (last_cell!=cell)
edit_draw->draw_line(Point2(i,0),Point2(i,s.height),Color(0.3,0.7,1,0.3));
last_cell=cell;
}
}
if (snap_step.y!=0) {
for(int i=0;i<s.height;i++) {
int cell = Math::fast_ftoi(Math::floor((mtx.affine_inverse().xform(Vector2(0,i)).y-snap_offset.y)/snap_step.y));
if (i==0)
last_cell=cell;
if (last_cell!=cell)
edit_draw->draw_line(Point2(0,i),Point2(s.width,i),Color(0.3,0.7,1,0.3));
last_cell=cell;
}
}
}
Ref<Texture> select_handle = get_icon("EditorHandle","EditorIcons");
Rect2 scroll_rect(Point2(),mtx.basis_xform(base_tex->get_size()));
scroll_rect.expand_to(mtx.basis_xform(edit_draw->get_size()));
Vector2 endpoints[4]={
mtx.basis_xform(rect.pos),
mtx.basis_xform(rect.pos+Vector2(rect.size.x,0)),
mtx.basis_xform(rect.pos+rect.size),
mtx.basis_xform(rect.pos+Vector2(0,rect.size.y))
};
for(int i=0;i<4;i++) {
int prev = (i+3)%4;
int next = (i+1)%4;
Vector2 ofs = ((endpoints[i] - endpoints[prev]).normalized() + ((endpoints[i] - endpoints[next]).normalized())).normalized();
ofs*=1.4144*(select_handle->get_size().width/2);
edit_draw->draw_line(endpoints[i]-draw_ofs, endpoints[next]-draw_ofs, Color(0.9,0.5,0.5), 2);
edit_draw->draw_texture(select_handle,(endpoints[i]+ofs-(select_handle->get_size()/2)).floor()-draw_ofs);
ofs = (endpoints[next]-endpoints[i])/2;
ofs += (endpoints[next]-endpoints[i]).tangent().normalized()*(select_handle->get_size().width/2);
edit_draw->draw_texture(select_handle,(endpoints[i]+ofs-(select_handle->get_size()/2)).floor()-draw_ofs);
scroll_rect.expand_to(endpoints[i]);
}
scroll_rect=scroll_rect.grow(200);
updating_scroll=true;
hscroll->set_min(scroll_rect.pos.x);
hscroll->set_max(scroll_rect.pos.x+scroll_rect.size.x);
hscroll->set_page(edit_draw->get_size().x);
hscroll->set_val(draw_ofs.x);
hscroll->set_step(0.001);
vscroll->set_min(scroll_rect.pos.y);
vscroll->set_max(scroll_rect.pos.y+scroll_rect.size.y);
vscroll->set_page(edit_draw->get_size().y);
vscroll->set_val(draw_ofs.y);
vscroll->set_step(0.001);
updating_scroll=false;
}
bool Path2DEditor::forward_input_event(const InputEvent& p_event) {
if (!node)
return false;
if (!node->is_visible())
return false;
if (!node->get_curve().is_valid())
return false;
switch(p_event.type) {
case InputEvent::MOUSE_BUTTON: {
const InputEventMouseButton &mb=p_event.mouse_button;
Matrix32 xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
Vector2 gpoint = Point2(mb.x,mb.y);
Vector2 cpoint = !mb.mod.alt? snap_point(xform.affine_inverse().xform(gpoint))
: node->get_global_transform().affine_inverse().xform( snap_point(canvas_item_editor->get_canvas_transform().affine_inverse().xform(gpoint)) );
//first check if a point is to be added (segment split)
real_t grab_treshold=EDITOR_DEF("poly_editor/point_grab_radius",8);
// Test move point!!
if ( mb.pressed && action==ACTION_NONE ) {
Ref<Curve2D> curve = node->get_curve();
for(int i=0;i<curve->get_point_count();i++) {
bool pointunder=false;
{
Point2 p = xform.xform( curve->get_point_pos(i) );
if (gpoint.distance_to(p) < grab_treshold ) {
if (mb.button_index==BUTTON_LEFT && !mb.mod.shift && mode==MODE_EDIT) {
action=ACTION_MOVING_POINT;
action_point=i;
moving_from=curve->get_point_pos(i);
moving_screen_from=gpoint;
return true;
} else if ((mb.button_index==BUTTON_RIGHT && mode==MODE_EDIT) || (mb.button_index==BUTTON_LEFT && mode==MODE_DELETE)) {
undo_redo->create_action("Remove Point from Curve");
undo_redo->add_do_method(curve.ptr(),"remove_point",i);
undo_redo->add_undo_method(curve.ptr(),"add_point",curve->get_point_pos(i),curve->get_point_in(i),curve->get_point_out(i),i);
undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
undo_redo->commit_action();
return true;
} else
pointunder=true;
}
}
if (mb.button_index==BUTTON_LEFT && i<(curve->get_point_count()-1)) {
Point2 p = xform.xform( curve->get_point_pos(i)+curve->get_point_out(i) );
if (gpoint.distance_to(p) < grab_treshold && (mode == MODE_EDIT || mode==MODE_EDIT_CURVE) ) {
action=ACTION_MOVING_OUT;
action_point=i;
moving_from=curve->get_point_out(i);
moving_screen_from=gpoint;
return true;
}
}
if (mb.button_index==BUTTON_LEFT && i>0) {
Point2 p = xform.xform( curve->get_point_pos(i)+curve->get_point_in(i) );
if (gpoint.distance_to(p) < grab_treshold && (mode == MODE_EDIT || mode==MODE_EDIT_CURVE)) {
action=ACTION_MOVING_IN;
action_point=i;
moving_from=curve->get_point_in(i);
moving_screen_from=gpoint;
return true;
}
}
if (pointunder)
return true;
}
}
// Test add point in empty space!
if ( mb.pressed && mb.button_index==BUTTON_LEFT && ((mb.mod.command && mode == MODE_EDIT) || mode == MODE_CREATE)) {
Ref<Curve2D> curve = node->get_curve();
undo_redo->create_action("Add Point to Curve");
undo_redo->add_do_method(curve.ptr(),"add_point",cpoint);
undo_redo->add_undo_method(curve.ptr(),"remove_point",curve->get_point_count());
undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
undo_redo->commit_action();
action=ACTION_MOVING_POINT;
action_point=curve->get_point_count()-1;
moving_from=curve->get_point_pos(action_point);
moving_screen_from=gpoint;
canvas_item_editor->get_viewport_control()->update();
return true;
}
if ( !mb.pressed && mb.button_index==BUTTON_LEFT && action!=ACTION_NONE) {
Ref<Curve2D> curve = node->get_curve();
Vector2 new_pos = moving_from + xform.basis_xform( gpoint - moving_screen_from );
switch(action) {
case ACTION_MOVING_POINT: {
undo_redo->create_action("Move Point in Curve");
undo_redo->add_do_method(curve.ptr(),"set_point_pos",action_point,cpoint);
undo_redo->add_undo_method(curve.ptr(),"set_point_pos",action_point,moving_from);
undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
undo_redo->commit_action();
} break;
case ACTION_MOVING_IN: {
undo_redo->create_action("Move In-Control in Curve");
undo_redo->add_do_method(curve.ptr(),"set_point_in",action_point,new_pos);
undo_redo->add_undo_method(curve.ptr(),"set_point_in",action_point,moving_from);
undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
undo_redo->commit_action();
} break;
case ACTION_MOVING_OUT: {
undo_redo->create_action("Move Out-Control in Curve");
undo_redo->add_do_method(curve.ptr(),"set_point_out",action_point,new_pos);
undo_redo->add_undo_method(curve.ptr(),"set_point_out",action_point,moving_from);
undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
undo_redo->commit_action();
} break;
}
action=ACTION_NONE;
return true;
}
#if 0
switch(mode) {
case MODE_CREATE: {
if (mb.button_index==BUTTON_LEFT && mb.pressed) {
if (!wip_active) {
wip.clear();
wip.push_back( snap_point(cpoint) );
wip_active=true;
edited_point_pos=snap_point(cpoint);
canvas_item_editor->update();
edited_point=1;
return true;
} else {
if (wip.size()>1 && xform.xform(wip[0]).distance_to(gpoint)<grab_treshold) {
//wip closed
_wip_close();
return true;
} else {
wip.push_back( snap_point(cpoint) );
edited_point=wip.size();
canvas_item_editor->update();
return true;
//add wip point
}
}
} else if (mb.button_index==BUTTON_RIGHT && mb.pressed && wip_active) {
_wip_close();
}
} break;
case MODE_EDIT: {
if (mb.button_index==BUTTON_LEFT) {
if (mb.pressed) {
if (mb.mod.control) {
if (poly.size() < 3) {
undo_redo->create_action("Edit Poly");
undo_redo->add_undo_method(node,"set_polygon",poly);
poly.push_back(cpoint);
undo_redo->add_do_method(node,"set_polygon",poly);
undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
undo_redo->commit_action();
return true;
}
//search edges
int closest_idx=-1;
Vector2 closest_pos;
real_t closest_dist=1e10;
for(int i=0;i<poly.size();i++) {
Vector2 points[2] ={ xform.xform(poly[i]),
xform.xform(poly[(i+1)%poly.size()]) };
Vector2 cp = Geometry::get_closest_point_to_segment_2d(gpoint,points);
if (cp.distance_squared_to(points[0])<CMP_EPSILON2 || cp.distance_squared_to(points[1])<CMP_EPSILON2)
continue; //not valid to reuse point
real_t d = cp.distance_to(gpoint);
if (d<closest_dist && d<grab_treshold) {
closest_dist=d;
closest_pos=cp;
closest_idx=i;
}
}
if (closest_idx>=0) {
pre_move_edit=poly;
poly.insert(closest_idx+1,snap_point(xform.affine_inverse().xform(closest_pos)));
edited_point=closest_idx+1;
edited_point_pos=snap_point(xform.affine_inverse().xform(closest_pos));
node->set_polygon(poly);
canvas_item_editor->update();
return true;
}
} else {
//look for points to move
int closest_idx=-1;
Vector2 closest_pos;
real_t closest_dist=1e10;
for(int i=0;i<poly.size();i++) {
Vector2 cp =xform.xform(poly[i]);
real_t d = cp.distance_to(gpoint);
if (d<closest_dist && d<grab_treshold) {
closest_dist=d;
closest_pos=cp;
closest_idx=i;
}
}
if (closest_idx>=0) {
pre_move_edit=poly;
edited_point=closest_idx;
edited_point_pos=xform.affine_inverse().xform(closest_pos);
canvas_item_editor->update();
return true;
}
}
} else {
if (edited_point!=-1) {
//apply
ERR_FAIL_INDEX_V(edited_point,poly.size(),false);
poly[edited_point]=edited_point_pos;
undo_redo->create_action("Edit Poly");
undo_redo->add_do_method(node,"set_polygon",poly);
undo_redo->add_undo_method(node,"set_polygon",pre_move_edit);
undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
undo_redo->commit_action();
edited_point=-1;
return true;
}
}
} if (mb.button_index==BUTTON_RIGHT && mb.pressed && edited_point==-1) {
int closest_idx=-1;
Vector2 closest_pos;
real_t closest_dist=1e10;
for(int i=0;i<poly.size();i++) {
Vector2 cp =xform.xform(poly[i]);
real_t d = cp.distance_to(gpoint);
if (d<closest_dist && d<grab_treshold) {
closest_dist=d;
closest_pos=cp;
closest_idx=i;
}
}
if (closest_idx>=0) {
undo_redo->create_action("Edit Poly (Remove Point)");
undo_redo->add_undo_method(node,"set_polygon",poly);
poly.remove(closest_idx);
undo_redo->add_do_method(node,"set_polygon",poly);
undo_redo->add_do_method(canvas_item_editor->get_viewport_control(),"update");
undo_redo->add_undo_method(canvas_item_editor->get_viewport_control(),"update");
undo_redo->commit_action();
return true;
}
}
} break;
}
#endif
} break;
case InputEvent::MOUSE_MOTION: {
const InputEventMouseMotion &mm=p_event.mouse_motion;
if ( action!=ACTION_NONE) {
Matrix32 xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
Vector2 gpoint = Point2(mm.x,mm.y);
Vector2 cpoint = !mm.mod.alt? snap_point(xform.affine_inverse().xform(gpoint))
: node->get_global_transform().affine_inverse().xform( snap_point(canvas_item_editor->get_canvas_transform().affine_inverse().xform(gpoint)) );
Ref<Curve2D> curve = node->get_curve();
Vector2 new_pos = moving_from + xform.basis_xform( gpoint - moving_screen_from );
switch(action) {
case ACTION_MOVING_POINT: {
curve->set_point_pos(action_point,cpoint);
} break;
case ACTION_MOVING_IN: {
curve->set_point_in(action_point,new_pos);
} break;
case ACTION_MOVING_OUT: {
curve->set_point_out(action_point,new_pos);
} break;
}
canvas_item_editor->get_viewport_control()->update();
return true;
}
#if 0
if (edited_point!=-1 && (wip_active || mm.button_mask&BUTTON_MASK_LEFT)) {
Matrix32 xform = canvas_item_editor->get_canvas_transform() * node->get_global_transform();
Vector2 gpoint = Point2(mm.x,mm.y);
edited_point_pos = snap_point(xform.affine_inverse().xform(gpoint));
canvas_item_editor->update();
}
#endif
} break;
}
return false;
}
void Polygon2DEditor::_uv_draw() {
Ref<Texture> base_tex = node->get_texture();
if (base_tex.is_null())
return;
Matrix32 mtx;
mtx.elements[2]=-uv_draw_ofs;
mtx.scale_basis(Vector2(uv_draw_zoom,uv_draw_zoom));
VS::get_singleton()->canvas_item_set_clip(uv_edit_draw->get_canvas_item(),true);
VS::get_singleton()->canvas_item_add_set_transform(uv_edit_draw->get_canvas_item(),mtx);
uv_edit_draw->draw_texture(base_tex,Point2());
VS::get_singleton()->canvas_item_add_set_transform(uv_edit_draw->get_canvas_item(),Matrix32());
if (snap_show_grid) {
Size2 s = uv_edit_draw->get_size();
int last_cell;
if (snap_step.x!=0) {
for(int i=0;i<s.width;i++) {
int cell = Math::fast_ftoi(Math::floor((mtx.affine_inverse().xform(Vector2(i,0)).x-snap_offset.x)/snap_step.x));
if (i==0)
last_cell=cell;
if (last_cell!=cell)
uv_edit_draw->draw_line(Point2(i,0),Point2(i,s.height),Color(0.3,0.7,1,0.3));
last_cell=cell;
}
}
if (snap_step.y!=0) {
for(int i=0;i<s.height;i++) {
int cell = Math::fast_ftoi(Math::floor((mtx.affine_inverse().xform(Vector2(0,i)).y-snap_offset.y)/snap_step.y));
if (i==0)
last_cell=cell;
if (last_cell!=cell)
uv_edit_draw->draw_line(Point2(0,i),Point2(s.width,i),Color(0.3,0.7,1,0.3));
last_cell=cell;
}
}
}
DVector<Vector2> uvs = node->get_uv();
Ref<Texture> handle = get_icon("EditorHandle","EditorIcons");
Rect2 rect(Point2(),mtx.basis_xform(base_tex->get_size()));
rect.expand_to(mtx.basis_xform(uv_edit_draw->get_size()));
for(int i=0;i<uvs.size();i++) {
int next = (i+1)%uvs.size();
uv_edit_draw->draw_line(mtx.xform(uvs[i]),mtx.xform(uvs[next]),Color(0.9,0.5,0.5),2);
uv_edit_draw->draw_texture(handle,mtx.xform(uvs[i])-handle->get_size()*0.5);
rect.expand_to(mtx.basis_xform(uvs[i]));
}
rect=rect.grow(200);
updating_uv_scroll=true;
uv_hscroll->set_min(rect.pos.x);
uv_hscroll->set_max(rect.pos.x+rect.size.x);
uv_hscroll->set_page(uv_edit_draw->get_size().x);
uv_hscroll->set_val(uv_draw_ofs.x);
uv_hscroll->set_step(0.001);
uv_vscroll->set_min(rect.pos.y);
uv_vscroll->set_max(rect.pos.y+rect.size.y);
uv_vscroll->set_page(uv_edit_draw->get_size().y);
uv_vscroll->set_val(uv_draw_ofs.y);
uv_vscroll->set_step(0.001);
updating_uv_scroll=false;
}
void Particles2D::_process_particles(float p_delta) {
if (particles.size()==0 || lifetime==0)
return;
p_delta*=time_scale;
float frame_time=p_delta;
if (emit_timeout > 0) {
time_to_live -= frame_time;
if (time_to_live < 0) {
emitting = false;
_change_notify("config/emitting");
};
};
float next_time = time+frame_time;
if (next_time > lifetime)
next_time=Math::fmod(next_time,lifetime);
Particle *pdata=&particles[0];
int particle_count=particles.size();
Matrix32 xform;
if (!local_space)
xform=get_global_transform();
active_count=0;
DVector<Point2>::Read r;
int emission_point_count=0;
if (emission_points.size()) {
emission_point_count=emission_points.size();
r=emission_points.read();
}
int attractor_count=0;
AttractorCache *attractor_ptr=NULL;
if (attractors.size()) {
if (attractors.size()!=attractor_cache.size()) {
attractor_cache.resize(attractors.size());
}
int idx=0;
Matrix32 m;
if (local_space) {
m= get_global_transform().affine_inverse();
}
for (Set<ParticleAttractor2D*>::Element *E=attractors.front();E;E=E->next()) {
attractor_cache[idx].pos=m.xform( E->get()->get_global_pos() );
attractor_cache[idx].attractor=E->get();
idx++;
}
attractor_ptr=attractor_cache.ptr();
attractor_count=attractor_cache.size();
}
for(int i=0;i<particle_count;i++) {
Particle &p=pdata[i];
float restart_time = (i * lifetime / particle_count) * explosiveness;
bool restart=false;
if ( next_time < time ) {
if (restart_time > time || restart_time < next_time )
restart=true;
} else if (restart_time > time && restart_time < next_time ) {
restart=true;
}
if (restart) {
if (emitting) {
p.pos=emissor_offset;
if (emission_point_count) {
Vector2 ep = r[Math::rand()%emission_point_count];
if (!local_space) {
p.pos=xform.xform(p.pos+ep*extents);
} else {
p.pos+=ep*extents;
}
} else {
if (!local_space) {
p.pos=xform.xform(p.pos+Vector2(Math::random(-extents.x,extents.x),Math::random(-extents.y,extents.y)));
} else {
p.pos+=Vector2(Math::random(-extents.x,extents.x),Math::random(-extents.y,extents.y));
}
}
p.seed=Math::rand() % 12345678;
uint32_t rand_seed=p.seed*(i+1);
float angle = Math::deg2rad(param[PARAM_DIRECTION]+_rand_from_seed(&rand_seed)*param[PARAM_SPREAD]);
p.velocity=Vector2( Math::sin(angle), Math::cos(angle) );
if (!local_space) {
p.velocity = xform.basis_xform(p.velocity).normalized();
}
p.velocity*=param[PARAM_LINEAR_VELOCITY]+param[PARAM_LINEAR_VELOCITY]*_rand_from_seed(&rand_seed)*randomness[PARAM_LINEAR_VELOCITY];
p.velocity+=initial_velocity;
p.active=true;
p.rot=Math::deg2rad(param[PARAM_INITIAL_ANGLE]+param[PARAM_INITIAL_ANGLE]*randomness[PARAM_INITIAL_ANGLE]*_rand_from_seed(&rand_seed));
active_count++;
p.frame=Math::fmod(param[PARAM_ANIM_INITIAL_POS]+randomness[PARAM_ANIM_INITIAL_POS]*_rand_from_seed(&rand_seed),1.0);
} else {
p.active=false;
}
} else {
if (!p.active)
continue;
uint32_t rand_seed=p.seed*(i+1);
Vector2 force;
//apply gravity
float gravity_dir = Math::deg2rad( param[PARAM_GRAVITY_DIRECTION]+180*randomness[PARAM_GRAVITY_DIRECTION]*_rand_from_seed(&rand_seed));
force+=Vector2( Math::sin(gravity_dir), Math::cos(gravity_dir) ) * (param[PARAM_GRAVITY_STRENGTH]+param[PARAM_GRAVITY_STRENGTH]*randomness[PARAM_GRAVITY_STRENGTH]*_rand_from_seed(&rand_seed));
//apply radial
Vector2 rvec = (p.pos - emissor_offset).normalized();
force+=rvec*(param[PARAM_RADIAL_ACCEL]+param[PARAM_RADIAL_ACCEL]*randomness[PARAM_RADIAL_ACCEL]*_rand_from_seed(&rand_seed));
//apply orbit
float orbitvel = (param[PARAM_ORBIT_VELOCITY]+param[PARAM_ORBIT_VELOCITY]*randomness[PARAM_ORBIT_VELOCITY]*_rand_from_seed(&rand_seed));
if (orbitvel!=0) {
Vector2 rel = p.pos - xform.elements[2];
Matrix32 rot(orbitvel*frame_time,Vector2());
p.pos = rot.xform(rel) + xform.elements[2];
}
Vector2 tvec=rvec.tangent();
force+=tvec*(param[PARAM_TANGENTIAL_ACCEL]+param[PARAM_TANGENTIAL_ACCEL]*randomness[PARAM_TANGENTIAL_ACCEL]*_rand_from_seed(&rand_seed));
for(int j=0;j<attractor_count;j++) {
Vector2 vec = (attractor_ptr[j].pos - p.pos);
float vl = vec.length();
if (!attractor_ptr[j].attractor->enabled || vl==0 || vl > attractor_ptr[j].attractor->radius)
continue;
force+=vec*attractor_ptr[j].attractor->gravity;
float fvl = p.velocity.length();
if (fvl && attractor_ptr[j].attractor->absorption) {
Vector2 target = vec.normalized();
p.velocity = p.velocity.normalized().linear_interpolate(target,MIN(frame_time*attractor_ptr[j].attractor->absorption,1))*fvl;
}
if (attractor_ptr[j].attractor->disable_radius && vl < attractor_ptr[j].attractor->disable_radius) {
p.active=false;
}
}
p.velocity+=force*frame_time;
if (param[PARAM_DAMPING]) {
float dmp = param[PARAM_DAMPING]+param[PARAM_DAMPING]*randomness[PARAM_DAMPING]*_rand_from_seed(&rand_seed);
float v = p.velocity.length();
v -= dmp * frame_time;
if (v<=0) {
p.velocity=Vector2();
} else {
p.velocity=p.velocity.normalized() * v;
}
}
p.pos+=p.velocity*frame_time;
p.rot+=Math::lerp(param[PARAM_SPIN_VELOCITY],param[PARAM_SPIN_VELOCITY]*randomness[PARAM_SPIN_VELOCITY]*_rand_from_seed(&rand_seed),randomness[PARAM_SPIN_VELOCITY])*frame_time;
float anim_spd=param[PARAM_ANIM_SPEED_SCALE]+param[PARAM_ANIM_SPEED_SCALE]*randomness[PARAM_ANIM_SPEED_SCALE]*_rand_from_seed(&rand_seed);
p.frame=Math::fposmod(p.frame+(frame_time/lifetime)*anim_spd,1.0);
active_count++;
}
}
time=Math::fmod( time+frame_time, lifetime );
if (!emitting && active_count==0) {
set_process(false);
}
update();
}
