src/geom.h

   1 #pragma once
   2
   3 #define IMGUI_DEFINE_MATH_OPERATORS
   4 #include <imgui.h>
   5 #include <imgui_internal.h>
   6 #include <sstream>
   7
   8 class Rect {
   9 public:
  10     Rect(ImVec2 pos, ImVec2 size) : pos(pos), size(size) {}
  11     Rect(float x, float y, float w, float h) : pos(x, y), size(w, h) {}
  12
  13     ImVec2 pos;
  14     ImVec2 size;
  15
  16     float top() const    { return pos.y; }
  17     float left() const   { return pos.x; }
  18     float bottom() const { return pos.y + size.y; }
  19     float right() const  { return pos.x + size.x; }
  20
  21     bool intersects(const Rect &other) {
  22         return this->left() < other.right() &&
  23                this->right() > other.left() &&
  24                this->top() < other.bottom() &&
  25                this->bottom() > other.top();
  26     }
  27 };
  28
  29 std::ostream &operator<<(std::ostream &os, const ImVec2 &vec);
  30 std::ostream &operator<<(std::ostream &os, const Rect &rect);