VB.Net Tutorial/2D Graphics/Animation

Материал из VB Эксперт
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Animator

Imports System
Imports System.Drawing
Imports System.Collections
Imports System.ruponentModel
Imports System.Windows.Forms
Imports System.Data
public class Animator
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
Public Class Form1
    Inherits System.Windows.Forms.Form
    Private img As Bitmap
    Dim currentlyAnimating As Boolean = False
#Region " Windows Form Designer generated code "
    Public Sub New()
        MyBase.New()
        "This call is required by the Windows Form Designer.
        InitializeComponent()
        "Add any initialization after the InitializeComponent() call
    End Sub
    "Form overrides dispose to clean up the component list.
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub
    "Required by the Windows Form Designer
    Private components As System.ruponentModel.IContainer
    "NOTE: The following procedure is required by the Windows Form Designer
    "It can be modified using the Windows Form Designer.  
    "Do not modify it using the code editor.
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        "
        "Form1
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(536, 349)
        Me.Name = "Form1"
        Me.Text = "Form1"
    End Sub
#End Region
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        img = New Bitmap("yourfile.jpg")
    End Sub
    Public Sub AnimateImage()
        If Not currentlyAnimating Then
            ImageAnimator.Animate(img, New EventHandler(AddressOf OnFrameChanged))
            currentlyAnimating = True
        End If
    End Sub "AnimateImage

    Private Sub OnFrameChanged(ByVal o As Object, ByVal e As EventArgs)
        Me.Invalidate()
    End Sub "OnFrameChanged
    Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
        AnimateImage()
        ImageAnimator.UpdateFrames()
        e.Graphics.DrawImage(Me.img, New Point(0, 0))
    End Sub
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
    End Sub
End Class

Program that animates a series of images

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
Imports System.Collections
public class AnimationBasedOnTimer
   public Shared Sub Main
        Application.Run(New FrmLogoAnimator)
   End Sub
End class
Public Class FrmLogoAnimator
   Inherits System.Windows.Forms.Form
   Private mImages As ArrayList = New ArrayList()
   Private mCount As Integer = 1
   Public Sub New()
      MyBase.New()
      InitializeComponent()
      Dim i As Integer
      For i = 0 To 29
         mImages.Add(Image.FromFile( i & ".gif"))
      Next
      logoPictureBox.Image = CType(mImages(0), Image)
      logoPictureBox.Size = logoPictureBox.Image.Size
   End Sub " New
   Friend WithEvents timer As System.Windows.Forms.Timer
   Friend WithEvents logoPictureBox As _
      System.Windows.Forms.PictureBox
#Region " Windows Form Designer generated code "
   "Form overrides dispose to clean up the component list.
   Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
      If disposing Then
         If Not (components Is Nothing) Then
            components.Dispose()
         End If
      End If
      MyBase.Dispose(disposing)
   End Sub
   Private components As System.ruponentModel.IContainer
   "Required by the Windows Form Designer
   "NOTE: The following procedure is required by the Windows Form Designer
   "It can be modified using the Windows Form Designer.  
   "Do not modify it using the code editor.
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
      Me.ruponents = New System.ruponentModel.Container()
      Me.timer = New System.Windows.Forms.Timer(Me.ruponents)
      Me.logoPictureBox = New System.Windows.Forms.PictureBox()
      Me.SuspendLayout()
      "
      "Timer
      "
      Me.timer.Enabled = True
      "
      "logoPictureBox
      "
      Me.logoPictureBox.Location = New System.Drawing.Point(32, 24)
      Me.logoPictureBox.Name = "logoPictureBox"
      Me.logoPictureBox.Size = New System.Drawing.Size(168, 88)
      Me.logoPictureBox.TabIndex = 0
      Me.logoPictureBox.TabStop = False
      "
      "Form1
      "
      Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
      Me.ClientSize = New System.Drawing.Size(232, 141)
      Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.logoPictureBox})
      Me.Name = "Form1"
      Me.Text = "LogoAnimator"
      Me.ResumeLayout(False)
   End Sub
#End Region
   Private Sub timer_Tick(ByVal sender As System.Object, _
      ByVal e As System.EventArgs) Handles timer.Tick
      mCount = (mCount + 1) Mod 30
      logoPictureBox.Image = CType(mImages(mCount), Image)
   End Sub 
End Class

Scrolling Text by Timer

Imports System.Windows.Forms
public class ScrollingText
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
Public Class Form1
    Inherits System.Windows.Forms.Form
    Public Sub New()
        MyBase.New()
        InitializeComponent()
    End Sub
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub
    Private components As System.ruponentModel.IContainer
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents Button3 As System.Windows.Forms.Button
    Friend WithEvents Timer1 As System.Windows.Forms.Timer
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.ruponents = New System.ruponentModel.Container
        Me.Label1 = New System.Windows.Forms.Label
        Me.Button1 = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        Me.Button3 = New System.Windows.Forms.Button
        Me.Timer1 = New System.Windows.Forms.Timer(Me.ruponents)
        Me.SuspendLayout()
        "
        "Label1
        "
        Me.Label1.Font = New System.Drawing.Font("Microsoft Sans Serif", 15.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Label1.Location = New System.Drawing.Point(32, 32)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(216, 24)
        Me.Label1.TabIndex = 0
        Me.Label1.Text = "Scrolling Text"
        "
        "Button1
        "
        Me.Button1.Location = New System.Drawing.Point(24, 80)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(72, 24)
        Me.Button1.TabIndex = 1
        Me.Button1.Text = "Start"
        "
        "Button2
        "
        Me.Button2.Location = New System.Drawing.Point(112, 80)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(64, 24)
        Me.Button2.TabIndex = 2
        Me.Button2.Text = "Stop"
        "
        "Button3
        "
        Me.Button3.Location = New System.Drawing.Point(192, 80)
        Me.Button3.Name = "Button3"
        Me.Button3.Size = New System.Drawing.Size(72, 24)
        Me.Button3.TabIndex = 3
        Me.Button3.Text = "Exit"
        "
        "Timer1
        "
        Me.Timer1.Interval = 300
        "
        "Form1
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(292, 150)
        Me.Controls.Add(Me.Button3)
        Me.Controls.Add(Me.Button2)
        Me.Controls.Add(Me.Button1)
        Me.Controls.Add(Me.Label1)
        Me.Name = "Form1"
        Me.Text = "Scroll Text"
        Me.ResumeLayout(False)
    End Sub
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Do While Label1.Text.Length < 13
            Label1.Text = Label1.Text & " "
        Loop
        Label1.AutoSize = True
        Timer1.Start()
    End Sub
    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Timer1.Stop()
    End Sub
    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        End
    End Sub
    Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
        Label1.Text = Microsoft.VisualBasic.Right(Label1.Text, 1) & Microsoft.VisualBasic.Left(Label1.Text, Label1.Text.Length - 1)
    End Sub
End Class

Snow Animation

"Visual Basic.Net JingCai Programming 100 Examples
"Author: Yong Zhang
"Publisher: Water Publisher China
"ISBN: 750841156

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class Snow
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
Public Class Form1
    Inherits System.Windows.Forms.Form
    Public Sub New()
        MyBase.New()
        InitializeComponent()
    End Sub
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub
    Private components As System.ruponentModel.IContainer
    Friend WithEvents PictureBox1 As System.Windows.Forms.PictureBox
    Friend WithEvents Timer1 As System.Windows.Forms.Timer
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.ruponents = New System.ruponentModel.Container
        Me.PictureBox1 = New System.Windows.Forms.PictureBox
        Me.Timer1 = New System.Windows.Forms.Timer(Me.ruponents)
        Me.SuspendLayout()
        "
        "PictureBox1
        "
        Me.PictureBox1.Dock = System.Windows.Forms.DockStyle.Fill
        Me.PictureBox1.Location = New System.Drawing.Point(0, 0)
        Me.PictureBox1.Name = "PictureBox1"
        Me.PictureBox1.Size = New System.Drawing.Size(292, 266)
        Me.PictureBox1.TabIndex = 0
        Me.PictureBox1.TabStop = False
        "
        "Timer1
        "
        Me.Timer1.Enabled = True
        Me.Timer1.Interval = 10
        "
        "Form1
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(292, 266)
        Me.Controls.Add(Me.PictureBox1)
        Me.WindowState = System.Windows.Forms.FormWindowState.Maximized
        Me.ResumeLayout(False)
    End Sub
    Dim number, x(), y(), v(), s() As Integer
    Dim t As Random = New Random
    Dim g As System.Drawing.Graphics
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        PictureBox1.Location = Me.Location
        PictureBox1.Size = Me.Size
        PictureBox1.SizeMode = PictureBoxSizeMode.StretchImage
        snow()
    End Sub
    Private Sub snow()
        number = 2000
        ReDim x(number - 1)
        ReDim y(number - 1)
        ReDim v(number - 1)
        ReDim s(number - 1)
        Dim i As Integer
        For i = 0 To number - 1
            Insnow(i)
        Next
    End Sub
    Private Sub Insnow(ByVal i As Integer)
        x(i) = t.Next(0, Me.Width - 1)
        y(i) = t.Next(0, Me.Height * 5 / 7)
        v(i) = t.Next(5, 20)
        s(i) = (t.Next(1, 3) * 100 + t.Next(50, 200)) / 100
    End Sub
    Private Sub PictureBox1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles PictureBox1.Paint
        g = PictureBox1.CreateGraphics
        Dim i As Integer
        For i = 0 To number - 1
            g.FillEllipse(Brushes.White, x(i), y(i), s(i), s(i))
        Next
    End Sub
    Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
        Dim i As Integer
        For i = 0 To number - 1
            y(i) = y(i) + v(i)
            If y(i) >= Me.Height Then
                Insnow(i)
            End If
        Next
        PictureBox1.Invalidate()
    End Sub
End Class