Silverlight 动画实现--太阳升起、落下

Silverlight 动画实现--太阳升起、落下,第1张

概述这个动画原来是用VS11 beta+SL5做的,回到家用vs2010跑了一下,没跑起来,重新修改了一下,在vs2010+sl5环境下成功。 截图如下: 图片有点大,VS11下的太阳效果更好一点。 思路很简单,波浪的部分是一个Canvas,然后用PahtGeometry填充,就可以设置波浪的背景了,对cavas或者path做个无限循环位移的动画就可以了。太阳升起落下是一个Rotation动画,然后把

这个动画原来是用VS11 beta+SL5做的,回到家用vs2010跑了一下,没跑起来,重新修改了一下,在vs2010+sl5环境下成功。

截图如下:

图片有点大,VS11下的太阳效果更好一点。

思路很简单,波浪的部分是一个Canvas,然后用PahtGeometry填充,就可以设置波浪的背景了,对cavas或者path做个无限循环位移的动画就可以了。太阳升起落下是一个Rotation动画,然后把动画选装的中心点设置为RendertransformOrigin="6.5,0",这个数据可以调整。

源代码可以从这里下载:http://download.csdn.net/detail/coaxhappy/4459305,如果没有分的可以从下面拷贝代码过去,写这个动画的目的就是学习如何从C#代码里控制动画,完成一些稍微复杂的动画和UI *** 作。 

 

代码如下:

MainPage.xaml

<UserControl x:Class="WaterSunshine.MainPage"             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"             xmlns:d="http://schemas.microsoft.com/Expression/blend/2008"             xmlns:ec="http://schemas.microsoft.com/Expression/2010/controls"             xmlns:ed="http://schemas.microsoft.com/Expression/2010/drawing"             xmlns:ee="http://schemas.microsoft.com/Expression/2010/effects"             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"             d:DesignHeight="600"             d:DesignWIDth="1200"             mc:Ignorable="d">    <UserControl.Resources>        <Storyboard x:name="Storyboard3"                    autoReverse="False"                    RepeatBehavior="Forever">            <DoubleAnimationUsingKeyFrames Storyboard.Targetname="pathTest" Storyboard.TargetProperty="(UIElement.Rendertransform).(Compositetransform.TranslateX)">                <EasingDoubleKeyFrame KeyTime="0" Value="-50" />                <EasingDoubleKeyFrame KeyTime="0:0:2" Value="0" />            </DoubleAnimationUsingKeyFrames>        </Storyboard>        <Storyboard x:name="Storyboard1" RepeatBehavior="Forever">            <DoubleAnimationUsingKeyFrames Storyboard.Targetname="ellipse" Storyboard.TargetProperty="(UIElement.Rendertransform).(Compositetransform.Rotation)">                <EasingDoubleKeyFrame KeyTime="0" Value="0" />                <EasingDoubleKeyFrame KeyTime="0:0:12" Value="180" />            </DoubleAnimationUsingKeyFrames>        </Storyboard>    </UserControl.Resources>    <GrID x:name="LayoutRoot"          HorizontalAlignment="Stretch"          VerticalAlignment="Stretch"          Background="White">        <GrID VerticalAlignment="top" d:LayoutOverrIDes="WIDth">            <GrID.Effect>                <!--                    <ee:BloomEffect BaseIntensity="5"                    BaseSaturation="0"                    BloomIntensity="2" />                -->                <DropShadowEffect />            </GrID.Effect>            <GrID.Background>                <linearGradIEntBrush StartPoint="0.5,0" EndPoint="0.5,1">                    <GradIEntStop Offset="0" color="#FF208EEA" />                    <GradIEntStop Offset="1" color="#FFD4FBF2" />                </linearGradIEntBrush>            </GrID.Background>        </GrID>        <Canvas x:name="canvas"                Height="500"                VerticalAlignment="top">            <Canvas.Background>                <linearGradIEntBrush StartPoint="0.5,1">                    <GradIEntStop Offset="0.009" color="#FF1C85EE" />                    <GradIEntStop Offset="1" color="#FFFDFDFD" />                </linearGradIEntBrush>            </Canvas.Background>            <Ellipse x:name="ellipse"                     Canvas.left="50"                     WIDth="100"                     Height="100"                     Canvas.ZIndex="0"                     RendertransformOrigin="6.5,0">                <Ellipse.Rendertransform>                    <Compositetransform />                </Ellipse.Rendertransform>                <Ellipse.Effect>                    <BlurEffect Radius="15" />                </Ellipse.Effect>                <Ellipse.Fill>                    <RadialGradIEntBrush GradIEntOrigin="0.3,0.2">                        <GradIEntStop Offset="0.009" color="#FFEEE4AB" />                        <GradIEntStop Offset="1" color="#FFEAAD0C" />                    </RadialGradIEntBrush>                </Ellipse.Fill>            </Ellipse>            <Path x:name="pathTest"                  HorizontalAlignment="left"                  VerticalAlignment="Stretch"                  Data=""                  Fill="{StaticResource bgBrush}"                  RendertransformOrigin="0.5,0.5"                  strokeThickness="0"                  UseLayoutRounding="False">                <Path.Rendertransform>                    <Compositetransform />                </Path.Rendertransform>            </Path>        </Canvas>    </GrID></UserControl>


 

MainPage.xaml.cs

using System;using System.Collections.Generic;using System.linq;using System.Net;using System.windows;using System.windows.Controls;using System.windows.documents;using System.windows.input;using System.windows.Media;using System.windows.Media.Animation;using System.windows.Shapes;using WaterSunshine.Common;namespace WaterSunshine{    public partial class MainPage : UserControl    {        public MainPage()        {            InitializeComponent();            this.SizeChanged += new SizeChangedEventHandler(MainPage_SizeChanged);        }        voID MainPage_SizeChanged(object sender,SizeChangedEventArgs e)        {            double waveBlockWIDth = LayoutRoot.ActualWIDth + 200;            canvas.WIDth = waveBlockWIDth;            double startpositionX = -100d;            double startpositionY = LayoutRoot.ActualHeight * ConstValue.WAVE_START_POINTION_PROPORTION;            Canvas.Settop(ellipse,LayoutRoot.ActualHeight * 0.9d);            //canvas.margin = new Thickness(-100,-100,0);            pathTest.WIDth = waveBlockWIDth;// LayoutRoot.ActualWIDth + 100;            pathTest.Height = LayoutRoot.ActualHeight;            Point startPoint = new Point(startpositionX,startpositionY);            PathGeometry pathGeometry = pathTest.Data as PathGeometry;            pathGeometry.figures.Clear();            pathGeometry.figures.Insert(0,CreatePathfigure(startPoint,ConstValue.WAVE_HEIGHT_HEIGHT,ConstValue.WAVE_LENGTH,LayoutRoot.ActualWIDth + 200d,ConstValue.WAVE_PATH_stroke_Brush,ConstValue.WAVE_PATH_stroke_THICKnesS));            Pathfigure pathfigureBounds = new Pathfigure();            pathfigureBounds.StartPoint = startPoint;            linesegment linesegment1 = new linesegment();            linesegment1.Point = startPoint;            linesegment linesegment2 = new linesegment();            linesegment2.Point = new Point(startpositionX,LayoutRoot.ActualHeight);            linesegment linesegment3 = new linesegment();            linesegment3.Point = new Point(LayoutRoot.ActualWIDth + 100,LayoutRoot.ActualHeight);            linesegment linesegment4 = new linesegment();            linesegment4.Point = new Point(LayoutRoot.ActualWIDth + 100,startpositionY);            pathfigureBounds.Segments.Add(linesegment1);            pathfigureBounds.Segments.Add(linesegment2);            pathfigureBounds.Segments.Add(linesegment3);            pathfigureBounds.Segments.Add(linesegment4);            pathGeometry.figures.Add(pathfigureBounds);            (this.Resources["Storyboard3"] as Storyboard).Begin();            (this.Resources["Storyboard1"] as Storyboard).Begin();        }        private Pathfigure CreatePathfigure(Point startPoint,double waveHeight,double waveLength,double totalLength,Brush strokeBrush,double strokeThickness)        {            Pathfigure pathfigure = new Pathfigure();            pathfigure.StartPoint = startPoint;            double waveCount = Math.Ceiling((totalLength) / waveLength);            for (int i = 0; i < waveCount; i++)            {                PathSegment pathSegment = CreateWaveSegment(new Point(startPoint.X + i * waveLength,startPoint.Y),waveHeight,waveLength);                pathfigure.Segments.Add(pathSegment);            }            return pathfigure;        }        private PathSegment CreateWaveSegment(Point startPoint,double waveLength)        {            BezIErSegment bezIErSegment = new BezIErSegment();            bezIErSegment.Point1 = new Point(startPoint.X,startPoint.Y);            bezIErSegment.Point2 = new Point(startPoint.X + waveLength / 2d,startPoint.Y + waveHeight);            bezIErSegment.Point3 = new Point(startPoint.X + waveLength,startPoint.Y);            return bezIErSegment;        }    }}


App.xaml

<Application xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"              x:Class="WaterSunshine.App"             >    <Application.Resources>        <ResourceDictionary Source="Resources/theme1.xaml" />    </Application.Resources></Application>


theme1.xaml(拷贝时,注意项目结构Reources/theme1.xaml)

<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">    <linearGradIEntBrush x:Key="bgBrush" StartPoint="0.5,1">        <GradIEntStop Offset="0.009" color="#FF0E8FE8" />        <GradIEntStop Offset="1" color="#FFB0E1F3" />    </linearGradIEntBrush></ResourceDictionary>


ConstValue.cs(Common/ConstValue.cs)

using System;using System.Net;using System.windows;using System.windows.Controls;using System.windows.documents;using System.windows.Ink;using System.windows.input;using System.windows.Media;using System.windows.Media.Animation;using System.windows.Shapes;namespace WaterSunshine.Common{    public class ConstValue    {        public const double WAVE_START_POINTION_PROPORTION = 0.8d;        public const double WAVE_HEIGHT_HEIGHT = 10;        public const double WAVE_LENGTH = 50;        public static Brush WAVE_PATH_stroke_Brush = new SolIDcolorBrush(colors.Black);        public const double WAVE_PATH_stroke_THICKnesS = 0d;    }}
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