本文整理汇总了C++中Matrix32::scale_basis方法的典型用法代码示例。如果您正苦于以下问题：C++ Matrix32::scale_basis方法的具体用法？C++ Matrix32::scale_basis怎么用？C++ Matrix32::scale_basis使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Matrix32的用法示例。
在下文中一共展示了Matrix32::scale_basis方法的7个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: rect
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;
}示例2: _region_draw
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;
}示例3: _region_input
void SpriteRegionEditor::_region_input(const InputEvent& p_input)
{
Matrix32 mtx;
mtx.elements[2]=-draw_ofs;
mtx.scale_basis(Vector2(draw_zoom,draw_zoom));
Vector2 endpoints[8]={
mtx.xform(rect.pos)+Vector2(-4,-4),
mtx.xform(rect.pos+Vector2(rect.size.x/2,0))+Vector2(0,-4),
mtx.xform(rect.pos+Vector2(rect.size.x,0))+Vector2(4,-4),
mtx.xform(rect.pos+Vector2(rect.size.x,rect.size.y/2))+Vector2(4,0),
mtx.xform(rect.pos+rect.size)+Vector2(4,4),
mtx.xform(rect.pos+Vector2(rect.size.x/2,rect.size.y))+Vector2(0,4),
mtx.xform(rect.pos+Vector2(0,rect.size.y))+Vector2(-4,4),
mtx.xform(rect.pos+Vector2(0,rect.size.y/2))+Vector2(-4,0)
};
if (p_input.type==InputEvent::MOUSE_BUTTON) {
const InputEventMouseButton &mb=p_input.mouse_button;
if (mb.button_index==BUTTON_LEFT) {
if (mb.pressed) {
drag_from=mtx.affine_inverse().xform(Vector2(mb.x,mb.y));
drag_from=snap_point(drag_from);
drag=true;
rect_prev=node->get_region_rect();
drag_index=-1;
for(int i=0;i<8;i++) {
Vector2 tuv=endpoints[i];
if (tuv.distance_to(Vector2(mb.x,mb.y))<8) {
drag_index=i;
creating = false;
}
}
if (drag_index==-1) {
creating = true;
rect = Rect2(drag_from,Size2());
}
} else if (drag) {
undo_redo->create_action(TTR("Set region_rect"));
undo_redo->add_do_method(node,"set_region_rect",node->get_region_rect());
undo_redo->add_undo_method(node,"set_region_rect",rect_prev);
undo_redo->add_do_method(edit_draw,"update");
undo_redo->add_undo_method(edit_draw,"update");
undo_redo->commit_action();
drag=false;
}
} else if (mb.button_index==BUTTON_RIGHT && mb.pressed) {
if (drag) {
drag=false;
node->set_region_rect(rect_prev);
rect=rect_prev;
edit_draw->update();
}
} else if (mb.button_index==BUTTON_WHEEL_UP && mb.pressed) {
zoom->set_val( zoom->get_val()/0.9 );
} else if (mb.button_index==BUTTON_WHEEL_DOWN && mb.pressed) {
zoom->set_val( zoom->get_val()*0.9);
}
} else if (p_input.type==InputEvent::MOUSE_MOTION) {
const InputEventMouseMotion &mm=p_input.mouse_motion;
if (mm.button_mask&BUTTON_MASK_MIDDLE || Input::get_singleton()->is_key_pressed(KEY_SPACE)) {
Vector2 draged(mm.relative_x,mm.relative_y);
hscroll->set_val( hscroll->get_val()-draged.x );
vscroll->set_val( vscroll->get_val()-draged.y );
} else if (drag) {
Vector2 new_pos = mtx.affine_inverse().xform(Vector2(mm.x,mm.y));
new_pos = snap_point(new_pos);
if (creating) {
rect = Rect2(drag_from,Size2());
rect.expand_to(new_pos);
node->set_region_rect(rect);
edit_draw->update();
return;
}
switch(drag_index) {
//.........这里部分代码省略.........
示例4: screen_rect
//.........这里部分代码省略.........
camera_pos.y = MAX( camera_pos.y, (new_camera_pos.y - screen_size.y * 0.5 * drag_margin[MARGIN_TOP]));
} else {
if (v_ofs<0) {
camera_pos.y = new_camera_pos.y + screen_size.y * 0.5 * drag_margin[MARGIN_TOP] * v_ofs;
} else {
camera_pos.y = new_camera_pos.y + screen_size.y * 0.5 * drag_margin[MARGIN_BOTTOM] * v_ofs;
}
}
} else if (anchor_mode==ANCHOR_MODE_FIXED_TOP_LEFT){
camera_pos=new_camera_pos;
}
if (smoothing_enabled && !get_tree()->is_editor_hint()) {
float c = smoothing*get_fixed_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());
float 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 (screen_rect.pos.x + screen_rect.size.x > limit[MARGIN_RIGHT])
screen_rect.pos.x = limit[MARGIN_RIGHT] - screen_rect.size.x;
if (screen_rect.pos.y + screen_rect.size.y > limit[MARGIN_BOTTOM])
screen_rect.pos.y = limit[MARGIN_BOTTOM] - screen_rect.size.y;
if (screen_rect.pos.x < limit[MARGIN_LEFT])
screen_rect.pos.x=limit[MARGIN_LEFT];
if (screen_rect.pos.y < limit[MARGIN_TOP])
screen_rect.pos.y =limit[MARGIN_TOP];
if (offset!=Vector2()) {
screen_rect.pos+=offset;
if (screen_rect.pos.x + screen_rect.size.x > limit[MARGIN_RIGHT])
screen_rect.pos.x = limit[MARGIN_RIGHT] - screen_rect.size.x;
if (screen_rect.pos.y + screen_rect.size.y > limit[MARGIN_BOTTOM])
screen_rect.pos.y = limit[MARGIN_BOTTOM] - screen_rect.size.y;
if (screen_rect.pos.x < limit[MARGIN_LEFT])
screen_rect.pos.x=limit[MARGIN_LEFT];
if (screen_rect.pos.y < limit[MARGIN_TOP])
screen_rect.pos.y =limit[MARGIN_TOP];
}
camera_screen_center=screen_rect.pos+screen_rect.size*0.5;
Matrix32 xform;
if(rotating){
xform.set_rotation(angle);
}
xform.scale_basis(zoom);
xform.set_origin(screen_rect.pos/*.floor()*/);
/*
if (0) {
xform = get_global_transform() * xform;
} else {
xform.elements[2]+=get_global_transform().get_origin();
}
*/
return (xform).affine_inverse();
}示例5: rect
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;
}示例6: if
void Polygon2DEditor::_uv_input(const InputEvent& p_input) {
Matrix32 mtx;
mtx.elements[2]=-uv_draw_ofs;
mtx.scale_basis(Vector2(uv_draw_zoom,uv_draw_zoom));
if (p_input.type==InputEvent::MOUSE_BUTTON) {
const InputEventMouseButton &mb=p_input.mouse_button;
if (mb.button_index==BUTTON_LEFT) {
if (mb.pressed) {
uv_drag_from=Vector2(mb.x,mb.y);
uv_drag=true;
uv_prev=node->get_uv();
uv_move_current=uv_mode;
if (uv_move_current==UV_MODE_EDIT_POINT) {
if (mb.mod.shift && mb.mod.command)
uv_move_current=UV_MODE_SCALE;
else if (mb.mod.shift)
uv_move_current=UV_MODE_MOVE;
else if (mb.mod.command)
uv_move_current=UV_MODE_ROTATE;
}
if (uv_move_current==UV_MODE_EDIT_POINT) {
uv_drag_index=-1;
for(int i=0;i<uv_prev.size();i++) {
Vector2 tuv=mtx.xform(uv_prev[i]);
if (tuv.distance_to(Vector2(mb.x,mb.y))<8) {
uv_drag_from=tuv;
uv_drag_index=i;
}
}
if (uv_drag_index==-1) {
uv_drag=false;
}
}
} else if (uv_drag) {
undo_redo->create_action("Transform UV Map");
undo_redo->add_do_method(node,"set_uv",node->get_uv());
undo_redo->add_undo_method(node,"set_uv",uv_prev);
undo_redo->add_do_method(uv_edit_draw,"update");
undo_redo->add_undo_method(uv_edit_draw,"update");
undo_redo->commit_action();
uv_drag=false;
}
} else if (mb.button_index==BUTTON_RIGHT && mb.pressed) {
if (uv_drag) {
uv_drag=false;
node->set_uv(uv_prev);
uv_edit_draw->update();
}
} else if (mb.button_index==BUTTON_WHEEL_UP && mb.pressed) {
uv_zoom->set_val( uv_zoom->get_val()/0.9 );
} else if (mb.button_index==BUTTON_WHEEL_DOWN && mb.pressed) {
uv_zoom->set_val( uv_zoom->get_val()*0.9);
}
} else if (p_input.type==InputEvent::MOUSE_MOTION) {
const InputEventMouseMotion &mm=p_input.mouse_motion;
if (mm.button_mask&BUTTON_MASK_MIDDLE || Input::get_singleton()->is_key_pressed(KEY_SPACE)) {
Vector2 drag(mm.relative_x,mm.relative_y);
uv_hscroll->set_val( uv_hscroll->get_val()-drag.x );
uv_vscroll->set_val( uv_vscroll->get_val()-drag.y );
} else if (uv_drag) {
Vector2 uv_drag_to=snap_point(Vector2(mm.x,mm.y));
Vector2 drag = mtx.affine_inverse().xform(uv_drag_to) - mtx.affine_inverse().xform(uv_drag_from);
switch(uv_move_current) {
case UV_MODE_EDIT_POINT: {
DVector<Vector2> uv_new=uv_prev;
uv_new.set( uv_drag_index, uv_new[uv_drag_index]+drag );
node->set_uv(uv_new);
//.........这里部分代码省略.........
示例7: size
//.........这里部分代码省略.........
float ptime = ((float)i / particle_count)*explosiveness;
if (ptime<time_pos)
ptime=time_pos-ptime;
else
ptime=(1.0-ptime)+time_pos;
uint32_t rand_seed=p.seed*(i+1);
Color color;
if(color_ramp.is_valid())
{
color = color_ramp->get_color_at_offset(ptime);
} else
{
color = default_color;
}
{
float huerand=_rand_from_seed(&rand_seed);
float huerot = param[PARAM_HUE_VARIATION] + randomness[PARAM_HUE_VARIATION] * huerand;
if (Math::abs(huerot) > CMP_EPSILON) {
float h=color.get_h();
float s=color.get_s();
float v=color.get_v();
float a=color.a;
//float preh=h;
h+=huerot;
h=Math::abs(Math::fposmod(h,1.0));
//print_line("rand: "+rtos(randomness[PARAM_HUE_VARIATION])+" rand: "+rtos(huerand));
//print_line(itos(i)+":hue: "+rtos(preh)+" + "+rtos(huerot)+" = "+rtos(h));
color.set_hsv(h,s,v);
color.a=a;
}
}
float initial_size = param[PARAM_INITIAL_SIZE]+param[PARAM_INITIAL_SIZE]*_rand_from_seed(&rand_seed)*randomness[PARAM_FINAL_SIZE];
float final_size = param[PARAM_FINAL_SIZE]+param[PARAM_FINAL_SIZE]*_rand_from_seed(&rand_seed)*randomness[PARAM_FINAL_SIZE];
float size_mult=initial_size*(1.0-ptime) + final_size*ptime;
//Size2 rectsize=size * size_mult;
//rectsize=rectsize.floor();
//Rect2 r = Rect2(Vecto,rectsize);
Matrix32 xform;
if (p.rot) {
xform.set_rotation(p.rot);
xform.translate(-size*size_mult/2.0);
xform.elements[2]+=p.pos;
} else {
xform.elements[2]=-size*size_mult/2.0;
xform.elements[2]+=p.pos;
}
if (!local_space) {
xform = invxform * xform;
}
xform.scale_basis(Size2(size_mult,size_mult));
VisualServer::get_singleton()->canvas_item_add_set_transform(ci,xform);
if (texrid.is_valid()) {
Rect2 src_rect;
src_rect.size=size;
if (total_frames>1) {
int frame = Math::fast_ftoi(Math::floor(p.frame*total_frames)) % total_frames;
src_rect.pos.x = size.x * (frame%h_frames);
src_rect.pos.y = size.y * (frame/h_frames);
}
texture->draw_rect_region(ci,Rect2(Point2(),size),src_rect,color);
//VisualServer::get_singleton()->canvas_item_add_texture_rect(ci,r,texrid,false,color);
} else {
VisualServer::get_singleton()->canvas_item_add_rect(ci,Rect2(Point2(),size),color);
}
}
} break;
}
}