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

   1 //FireworkEffect.h file
   2 #pragma once
   3
   4 #include "OverlayRenderDecorator.h"
   5 #include "TimeTracker.h"
   6
   7 using namespace System;
   8 using namespace System::Windows;
   9 using namespace System::Windows::Media;
  10 using namespace System::Windows::Media::Animation;
  11 using namespace System::Windows::Controls;
  12 using namespace System::Collections::Generic;
  13 using namespace System::Windows::Input;
  14
  15 namespace Microsoft {
  16    namespace Samples {
  17       namespace PerFrameAnimations {
  18          private ref class Particle {
  19          public:
  20             Point Location;
  21             Vector Velocity;
  22             System::DateTime LifeTime;
  23             System::DateTime DeathTime;
  24             Color StartColor;
  25             Color EndColor;
  26             double Diameter;
  27          };
  28
  29          public ref class FireworkEffect : OverlayRenderDecorator {
  30
  31          private:
  32             List<Particle^>^ _particles;
  33             bool _bounceOffContainer;
  34             Vector _gravity;
  35             bool _gravitateToMouse;
  36             double _gravitateScale;
  37             bool _mouseDropsParticles;
  38             double _secondsUntilDrop;
  39             Point _lastMousePosition;
  40             TimeTracker^ _timeTracker;
  41
  42          protected: System::Random^ _random;
  43
  44          public:
  45             FireworkEffect () ;
  46             static initonly DependencyProperty^ RadiusProperty = DependencyProperty::Register("RadiusBase", double::typeid, FireworkEffect::typeid, gcnew FrameworkPropertyMetadata(15.0));
  47             static initonly DependencyProperty^ RadiusVariationProperty = DependencyProperty::Register("RadiusVariation", double::typeid, FireworkEffect::typeid, gcnew FrameworkPropertyMetadata(5.0));
  48             static initonly DependencyProperty^ StartColorProperty = DependencyProperty::Register("StartColor", Color::typeid, FireworkEffect::typeid, gcnew FrameworkPropertyMetadata(Color::FromArgb(245, 200, 50, 20)));
  49             static initonly DependencyProperty^ EndColorProperty = DependencyProperty::Register("EndColor", Color::typeid, FireworkEffect::typeid, gcnew FrameworkPropertyMetadata(Color::FromArgb(100, 200, 255, 20)));
  50             static initonly DependencyProperty^ StartColorVariationProperty = DependencyProperty::Register("StartColorVariation", Color::typeid, FireworkEffect::typeid, gcnew FrameworkPropertyMetadata(Color::FromArgb(10, 55, 50, 20)));
  51             static initonly DependencyProperty^ EndColorVariationProperty = DependencyProperty::Register("EndColorVariation", Color::typeid, FireworkEffect::typeid, gcnew FrameworkPropertyMetadata(Color::FromArgb(50, 20, 100, 20)));
  52             static initonly DependencyProperty^ MouseDropDelayProperty = DependencyProperty::Register("MouseDropDelay", double::typeid, FireworkEffect::typeid, gcnew FrameworkPropertyMetadata(0.1));
  53             static initonly DependencyProperty^ MouseDropDelayVariationProperty = DependencyProperty::Register("MouseDropDelayVariation", double::typeid, FireworkEffect::typeid, gcnew FrameworkPropertyMetadata(0.05));
  54             static initonly DependencyProperty^ ClickBurstSizeProperty = DependencyProperty::Register("ClickBurstSize", int::typeid, Microsoft::Samples::PerFrameAnimations::FireworkEffect::typeid, gcnew FrameworkPropertyMetadata(30));
  55
  56             //#region Public Properties
  57          public:
  58             property double Radius {
  59                double get () ;
  60                void set (double value) ;
  61             }
  62
  63             property double RadiusVariation {
  64                double get () ;
  65                void set (double value) ;
  66             }
  67
  68             property Color StartColor {
  69                Color get () ;
  70                void set (Color value) ;
  71             }
  72
  73             property Color EndColor {
  74                Color get () ;
  75                void set (Color value) ;
  76             }
  77
  78             property Color StartColorVariation {
  79                Color get () ;
  80                void set (Color value) ;
  81             }
  82
  83             property Color EndColorVariation {
  84                Color get () ;
  85                void set (Color value) ;
  86             }
  87
  88             property bool BounceOffContainer {
  89                bool get () ;
  90                void set (bool value) ;
  91             }
  92
  93             property bool GravitateToMouse {
  94                bool get () ;
  95                void set (bool value) ;
  96             }
  97
  98             property double GravitateScale {
  99                double get () ;
 100                void set (double value) ;
 101             }
 102
 103             property bool MouseDropsParticles {
 104                bool get () ;
 105                void set (bool value) ;
 106             }
 107
 108             property double MouseDropDelay {
 109                double get () ;
 110                void set (double value) ;
 111             }
 112
 113             property double MouseDropDelayVariation {
 114                double get () ;
 115                void set (double value) ;
 116             }
 117
 118             property int ClickBurstSize {
 119                int get () ;
 120                void set (int value) ;
 121             }
 122
 123
 124          protected:
 125             virtual void OnAttachChild (UIElement^ child) override ;
 126             virtual void OnDetachChild (UIElement^ child) override ;
 127             void OnFrameCallback (System::Object^ sender, System::EventArgs^ e) ;
 128             virtual void UpdateParticles (double deltatime) ;
 129             virtual void OnOverlayRender (DrawingContext^ drawingContext) override ;
 130
 131          private:
 132             void _initFields () ;
 133             void OnMouseMove (System::Object^ sender, Input::MouseEventArgs^ e) ;
 134             void OnMouseLeftButtonUp (System::Object^ sender, Input::MouseButtonEventArgs^ e) ;
 135
 136          public:
 137             void AddRandomBurst () ;
 138             void AddRandomBurst (Point location) ;
 139             void AddRandomBurst (Point location, int count) ;
 140          };
 141       }
 142    }
 143 }
 144