本文整理汇总了C++中Rect2::intersects方法的典型用法代码示例。如果您正苦于以下问题：C++ Rect2::intersects方法的具体用法？C++ Rect2::intersects怎么用？C++ Rect2::intersects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Rect2的用法示例。
在下文中一共展示了Rect2::intersects方法的8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:
int BroadPhase2DBasic::cull_aabb(const Rect2 &p_aabb, CollisionObject2DSW **p_results, int p_max_results, int *p_result_indices) {
int rc = 0;
for (Map<ID, Element>::Element *E = element_map.front(); E; E = E->next()) {
const Rect2 aabb = E->get().aabb;
if (aabb.intersects(p_aabb)) {
p_results[rc] = E->get().owner;
p_result_indices[rc] = E->get().subindex;
rc++;
if (rc >= p_max_results)
break;
}
}
return rc;
}示例2:
int BroadPhase2DHashGrid::cull_aabb(const Rect2 &p_aabb, CollisionObject2DSW **p_results, int p_max_results, int *p_result_indices) {
pass++;
Point2i from = (p_aabb.position / cell_size).floor();
Point2i to = ((p_aabb.position + p_aabb.size) / cell_size).floor();
int cullcount = 0;
for (int i = from.x; i <= to.x; i++) {
for (int j = from.y; j <= to.y; j++) {
_cull<true, false>(Point2i(i, j), p_aabb, Point2(), Point2(), p_results, p_max_results, p_result_indices, cullcount);
}
}
for (Map<Element *, RC>::Element *E = large_elements.front(); E; E = E->next()) {
if (cullcount >= p_max_results)
break;
if (E->key()->pass == pass)
continue;
E->key()->pass = pass;
if (!p_aabb.intersects(E->key()->aabb))
continue;
/*
if (!E->key()->aabb.intersects_segment(p_from,p_to))
continue;
*/
p_results[cullcount] = E->key()->owner;
p_result_indices[cullcount] = E->key()->subindex;
cullcount++;
}
return cullcount;
}示例3: draw_rect_region
void LargeTexture::draw_rect_region(RID p_canvas_item,const Rect2& p_rect, const Rect2& p_src_rect,const Color& p_modulate, bool p_transpose) const {
//tiling not supported for this
if (p_src_rect.size.x==0 || p_src_rect.size.y==0)
return;
Size2 scale = p_rect.size/p_src_rect.size;
for(int i=0;i<pieces.size();i++) {
// TODO
Rect2 rect( pieces[i].offset, pieces[i].texture->get_size());
if (!p_src_rect.intersects(rect))
continue;
Rect2 local = p_src_rect.clip(rect);
Rect2 target = local;
target.size*=scale;
target.pos=p_rect.pos+(p_src_rect.pos+rect.pos)*scale;
local.pos-=rect.pos;
pieces[i].texture->draw_rect_region(p_canvas_item,target,local,p_modulate,p_transpose);
}
}示例4:
void BroadPhase2DHashGrid::_cull(const Point2i p_cell,const Rect2& p_aabb,const Point2& p_from, const Point2& p_to,CollisionObject2DSW** p_results,int p_max_results,int *p_result_indices,int &index) {
PosKey pk;
pk.x=p_cell.x;
pk.y=p_cell.y;
uint32_t idx = pk.hash() % hash_table_size;
PosBin *pb = hash_table[idx];
while (pb) {
if (pb->key == pk) {
break;
}
pb=pb->next;
}
if (!pb)
return;
for(Map<Element*,RC>::Element *E=pb->object_set.front();E;E=E->next()) {
if (index>=p_max_results)
break;
if (E->key()->pass==pass)
continue;
E->key()->pass=pass;
if (use_aabb && !p_aabb.intersects(E->key()->aabb))
continue;
if (use_segment && !E->key()->aabb.intersects_segment(p_from,p_to))
continue;
p_results[index]=E->key()->owner;
p_result_indices[index]=E->key()->subindex;
index++;
}
for(Map<Element*,RC>::Element *E=pb->static_object_set.front();E;E=E->next()) {
if (index>=p_max_results)
break;
if (E->key()->pass==pass)
continue;
if (use_aabb && !p_aabb.intersects(E->key()->aabb)) {
continue;
}
if (use_segment && !E->key()->aabb.intersects_segment(p_from,p_to))
continue;
E->key()->pass=pass;
p_results[index]=E->key()->owner;
p_result_indices[index]=E->key()->subindex;
index++;
}
}示例5: _render_canvas_item
void VisualServerCanvas::_render_canvas_item(Item *p_canvas_item, const Transform2D &p_transform, const Rect2 &p_clip_rect, const Color &p_modulate, int p_z, RasterizerCanvas::Item **z_list, RasterizerCanvas::Item **z_last_list, Item *p_canvas_clip, Item *p_material_owner) {
Item *ci = p_canvas_item;
if (!ci->visible)
return;
Rect2 rect = ci->get_rect();
Transform2D xform = p_transform * ci->xform;
Rect2 global_rect = xform.xform(rect);
global_rect.pos += p_clip_rect.pos;
if (ci->use_parent_material && p_material_owner)
ci->material_owner = p_material_owner;
else {
p_material_owner = ci;
ci->material_owner = NULL;
}
Color modulate(ci->modulate.r * p_modulate.r, ci->modulate.g * p_modulate.g, ci->modulate.b * p_modulate.b, ci->modulate.a * p_modulate.a);
if (modulate.a < 0.007)
return;
int child_item_count = ci->child_items.size();
Item **child_items = (Item **)alloca(child_item_count * sizeof(Item *));
copymem(child_items, ci->child_items.ptr(), child_item_count * sizeof(Item *));
if (ci->clip) {
if (p_canvas_clip != NULL) {
ci->final_clip_rect = p_canvas_clip->final_clip_rect.clip(global_rect);
} else {
ci->final_clip_rect = global_rect;
}
ci->final_clip_owner = ci;
} else {
ci->final_clip_owner = p_canvas_clip;
}
if (ci->sort_y) {
SortArray<Item *, ItemPtrSort> sorter;
sorter.sort(child_items, child_item_count);
}
if (ci->z_relative)
p_z = CLAMP(p_z + ci->z, VS::CANVAS_ITEM_Z_MIN, VS::CANVAS_ITEM_Z_MAX);
else
p_z = ci->z;
for (int i = 0; i < child_item_count; i++) {
if (!child_items[i]->behind)
continue;
_render_canvas_item(child_items[i], xform, p_clip_rect, modulate, p_z, z_list, z_last_list, (Item *)ci->final_clip_owner, p_material_owner);
}
if (ci->copy_back_buffer) {
ci->copy_back_buffer->screen_rect = xform.xform(ci->copy_back_buffer->rect).clip(p_clip_rect);
}
if ((!ci->commands.empty() && p_clip_rect.intersects(global_rect)) || ci->vp_render || ci->copy_back_buffer) {
//something to draw?
ci->final_transform = xform;
ci->final_modulate = Color(modulate.r * ci->self_modulate.r, modulate.g * ci->self_modulate.g, modulate.b * ci->self_modulate.b, modulate.a * ci->self_modulate.a);
ci->global_rect_cache = global_rect;
ci->global_rect_cache.pos -= p_clip_rect.pos;
ci->light_masked = false;
int zidx = p_z - VS::CANVAS_ITEM_Z_MIN;
if (z_last_list[zidx]) {
z_last_list[zidx]->next = ci;
z_last_list[zidx] = ci;
} else {
z_list[zidx] = ci;
z_last_list[zidx] = ci;
}
ci->next = NULL;
}
for (int i = 0; i < child_item_count; i++) {
if (child_items[i]->behind)
continue;
_render_canvas_item(child_items[i], xform, p_clip_rect, modulate, p_z, z_list, z_last_list, (Item *)ci->final_clip_owner, p_material_owner);
}
}示例6: _gui_input
void GraphEdit::_gui_input(const Ref<InputEvent> &p_ev) {
Ref<InputEventMouseMotion> mm = p_ev;
if (mm.is_valid() && (mm->get_button_mask() & BUTTON_MASK_MIDDLE || (mm->get_button_mask() & BUTTON_MASK_LEFT && Input::get_singleton()->is_key_pressed(KEY_SPACE)))) {
h_scroll->set_value(h_scroll->get_value() - mm->get_relative().x);
v_scroll->set_value(v_scroll->get_value() - mm->get_relative().y);
}
if (mm.is_valid() && dragging) {
just_selected = true;
// TODO: Remove local mouse pos hack if/when InputEventMouseMotion is fixed to support floats
//drag_accum+=Vector2(mm->get_relative().x,mm->get_relative().y);
drag_accum = get_local_mouse_position() - drag_origin;
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
if (gn && gn->is_selected()) {
Vector2 pos = (gn->get_drag_from() * zoom + drag_accum) / zoom;
if (is_using_snap()) {
int snap = get_snap();
pos = pos.snapped(Vector2(snap, snap));
}
gn->set_offset(pos);
}
}
}
if (mm.is_valid() && box_selecting) {
box_selecting_to = get_local_mouse_position();
box_selecting_rect = Rect2(MIN(box_selecting_from.x, box_selecting_to.x),
MIN(box_selecting_from.y, box_selecting_to.y),
ABS(box_selecting_from.x - box_selecting_to.x),
ABS(box_selecting_from.y - box_selecting_to.y));
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
if (!gn)
continue;
Rect2 r = gn->get_rect();
r.size *= zoom;
bool in_box = r.intersects(box_selecting_rect);
if (in_box)
gn->set_selected(box_selection_mode_aditive);
else
gn->set_selected(previus_selected.find(gn) != NULL);
}
top_layer->update();
}
Ref<InputEventMouseButton> b = p_ev;
if (b.is_valid()) {
if (b->get_button_index() == BUTTON_RIGHT && b->is_pressed()) {
if (box_selecting) {
box_selecting = false;
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
if (!gn)
continue;
gn->set_selected(previus_selected.find(gn) != NULL);
}
top_layer->update();
} else {
if (connecting) {
connecting = false;
top_layer->update();
} else {
emit_signal("popup_request", b->get_global_position());
}
}
}
if (b->get_button_index() == BUTTON_LEFT && !b->is_pressed() && dragging) {
if (!just_selected && drag_accum == Vector2() && Input::get_singleton()->is_key_pressed(KEY_CONTROL)) {
//deselect current node
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn = Object::cast_to<GraphNode>(get_child(i));
if (gn) {
Rect2 r = gn->get_rect();
r.size *= zoom;
if (r.has_point(get_local_mouse_position()))
gn->set_selected(false);
}
}
}
if (drag_accum != Vector2()) {
emit_signal("_begin_node_move");
//.........这里部分代码省略.........
示例7: ss
void ConcavePolygonShape2DSW::cull(const Rect2& p_local_aabb,Callback p_callback,void* p_userdata) const {
uint32_t* stack = (uint32_t*)alloca(sizeof(int)*bvh_depth);
enum {
TEST_AABB_BIT=0,
VISIT_LEFT_BIT=1,
VISIT_RIGHT_BIT=2,
VISIT_DONE_BIT=3,
VISITED_BIT_SHIFT=29,
NODE_IDX_MASK=(1<<VISITED_BIT_SHIFT)-1,
VISITED_BIT_MASK=~NODE_IDX_MASK,
};
//for(int i=0;i<bvh_depth;i++)
// stack[i]=0;
int level=0;
const Segment *segmentptr=&segments[0];
const Vector2 *pointptr=&points[0];
const BVH *bvhptr = &bvh[0];
int pos=bvh.size()-1;
stack[0]=0;
while(true) {
uint32_t node = stack[level]&NODE_IDX_MASK;
const BVH &b = bvhptr[ node ];
switch(stack[level]>>VISITED_BIT_SHIFT) {
case TEST_AABB_BIT: {
bool valid = p_local_aabb.intersects(b.aabb);
if (!valid) {
stack[level]=(VISIT_DONE_BIT<<VISITED_BIT_SHIFT)|node;
} else {
if (b.left<0) {
const Segment &s=segmentptr[ b.right ];
Vector2 a = pointptr[ s.points[0] ];
Vector2 b = pointptr[ s.points[1] ];
SegmentShape2DSW ss(a,b,(b-a).tangent().normalized());
p_callback(p_userdata,&ss);
stack[level]=(VISIT_DONE_BIT<<VISITED_BIT_SHIFT)|node;
} else {
stack[level]=(VISIT_LEFT_BIT<<VISITED_BIT_SHIFT)|node;
}
}
} continue;
case VISIT_LEFT_BIT: {
stack[level]=(VISIT_RIGHT_BIT<<VISITED_BIT_SHIFT)|node;
stack[level+1]=b.left|TEST_AABB_BIT;
level++;
} continue;
case VISIT_RIGHT_BIT: {
stack[level]=(VISIT_DONE_BIT<<VISITED_BIT_SHIFT)|node;
stack[level+1]=b.right|TEST_AABB_BIT;
level++;
} continue;
case VISIT_DONE_BIT: {
if (level==0)
return;
else
level--;
} continue;
}
}
}示例8: _gui_input
void GraphEdit::_gui_input(const InputEvent &p_ev) {
if (p_ev.type == InputEvent::MOUSE_MOTION && (p_ev.mouse_motion.button_mask & BUTTON_MASK_MIDDLE || (p_ev.mouse_motion.button_mask & BUTTON_MASK_LEFT && Input::get_singleton()->is_key_pressed(KEY_SPACE)))) {
h_scroll->set_value(h_scroll->get_value() - p_ev.mouse_motion.relative_x);
v_scroll->set_value(v_scroll->get_value() - p_ev.mouse_motion.relative_y);
}
if (p_ev.type == InputEvent::MOUSE_MOTION && dragging) {
just_selected = true;
// TODO: Remove local mouse pos hack if/when InputEventMouseMotion is fixed to support floats
//drag_accum+=Vector2(p_ev.mouse_motion.relative_x,p_ev.mouse_motion.relative_y);
drag_accum = get_local_mouse_pos() - drag_origin;
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn = get_child(i)->cast_to<GraphNode>();
if (gn && gn->is_selected()) {
Vector2 pos = (gn->get_drag_from() * zoom + drag_accum) / zoom;
if (is_using_snap()) {
int snap = get_snap();
pos = pos.snapped(Vector2(snap, snap));
}
gn->set_offset(pos);
}
}
}
if (p_ev.type == InputEvent::MOUSE_MOTION && box_selecting) {
box_selecting_to = get_local_mouse_pos();
box_selecting_rect = Rect2(MIN(box_selecting_from.x, box_selecting_to.x),
MIN(box_selecting_from.y, box_selecting_to.y),
ABS(box_selecting_from.x - box_selecting_to.x),
ABS(box_selecting_from.y - box_selecting_to.y));
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn = get_child(i)->cast_to<GraphNode>();
if (!gn)
continue;
Rect2 r = gn->get_rect();
r.size *= zoom;
bool in_box = r.intersects(box_selecting_rect);
if (in_box)
gn->set_selected(box_selection_mode_aditive);
else
gn->set_selected(previus_selected.find(gn) != NULL);
}
top_layer->update();
}
if (p_ev.type == InputEvent::MOUSE_BUTTON) {
const InputEventMouseButton &b = p_ev.mouse_button;
if (b.button_index == BUTTON_RIGHT && b.pressed) {
if (box_selecting) {
box_selecting = false;
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn = get_child(i)->cast_to<GraphNode>();
if (!gn)
continue;
gn->set_selected(previus_selected.find(gn) != NULL);
}
top_layer->update();
} else {
if (connecting) {
connecting = false;
top_layer->update();
} else {
emit_signal("popup_request", Vector2(b.global_x, b.global_y));
}
}
}
if (b.button_index == BUTTON_LEFT && !b.pressed && dragging) {
if (!just_selected && drag_accum == Vector2() && Input::get_singleton()->is_key_pressed(KEY_CONTROL)) {
//deselect current node
for (int i = get_child_count() - 1; i >= 0; i--) {
GraphNode *gn = get_child(i)->cast_to<GraphNode>();
if (gn) {
Rect2 r = gn->get_rect();
r.size *= zoom;
if (r.has_point(get_local_mouse_pos()))
gn->set_selected(false);
}
}
}
if (drag_accum != Vector2()) {
emit_signal("_begin_node_move");
//.........这里部分代码省略.........