sdk/samples/WPFSamples/CompositionTargetRenderingAnimations/cpp/particleeffectexamples/magnetismcanvas.h

   1 //MagnetismCanvas.h file
   2
   3 #pragma once
   4
   5 #include "TimeTracker.h"
   6
   7
   8 using namespace System;
   9 using namespace System::Windows;
  10 using namespace System::Windows::Media;
  11 using namespace System::Windows::Media::Animation;
  12 using namespace System::Windows::Controls;
  13 using namespace System::Collections::Generic;
  14 using namespace System::Windows::Input;
  15
  16 namespace Microsoft {
  17    namespace Samples {
  18       namespace PerFrameAnimations {
  19          public ref class MagnitismCanvas : Canvas {
  20
  21          public:
  22             MagnitismCanvas () ;
  23
  24          public:
  25             property double BorderForce {
  26                double get () ;
  27                void set (double value) ;
  28             }
  29
  30             property double ChildForce {
  31                double get () ;
  32                void set (double value) ;
  33             }
  34
  35             property double Drag {
  36                double get () ;
  37                void set (double value) ;
  38             }
  39
  40          private:
  41             TimeTracker^ _timeTracker;
  42             System::Collections::Generic::Dictionary<System::Windows::UIElement^,System::Windows::Vector>^ _childrenVelocities;
  43             double _borderforce;
  44             double _childforce;
  45             double _drag;
  46
  47
  48          protected:
  49             void UpdateChildren (System::Object^ sender, System::EventArgs^ e) ;
  50
  51          private:
  52             void _initFields () ;
  53             bool AreRectsOverlapping (System::Windows::Rect r1, System::Windows::Rect r2) ;
  54             System::Windows::Point IntersectInsideRect (System::Windows::Rect r, System::Windows::Point raystart, System::Windows::Vector raydir) ;
  55             System::Windows::Vector VectorBetweenRects (System::Windows::Rect r1, System::Windows::Rect r2) ;
  56             System::Windows::Point GetRenderTransformOffset (System::Windows::UIElement^ e) ;
  57             void SetRenderTransformOffset (System::Windows::UIElement^ e, System::Windows::Point offset) ;
  58             System::Windows::Point GetTruePosition (System::Windows::UIElement^ e) ;
  59             void SetTruePosition (System::Windows::UIElement^ e, System::Windows::Point p) ;
  60             System::Windows::Point GetCenter (System::Windows::Rect r) ;
  61
  62          };
  63       }
  64    }
  65 }
  66