VB2008抛物线碰撞侦测问题

请问各位大大..PictureBox1碰撞侦测PictureBox2程式里的抛物线的碰撞侦测都没有反应.请问是程式码哪边有错误碰撞侦测我是放在Timer1_Tick这里.是位置放错还是抛物线的碰撞侦测不能用那种碰撞侦测方式.


Public Class Form1

    '---------- Local structures ----------

    'Positions [位置的变数]
    Structure struc_pos
        Dim x, y As Integer 'Current position [目前的 x,y]
        Dim ini_x, ini_y As Integer 'Initial position [抛物线参考的最初 x,y，就是物理中表示的 x0,y0]
        Dim ang As Single 'Current angle [目前的角度，为碰撞时可转换]
        Dim vx, vy As Single 'Current velocity [目前的速度分量]
        Dim ini_vx, ini_vy As Single 'Initial velocity [一开始的 速度分量，就是物理中表示的 vx0,vy0]
        Dim ini_v As Single 'Initial velocity [一开始的速度]
        Dim g As Single  'Gravity constant [重力常数]
    End Structure

    '---------- Local constants ----------

    'Initial positions
    Const user_ini_v As Single = 90 '[设定一开始的速度(可调整)]
    Const user_ini_x As Integer = 50, user_ini_y As Integer = 500 '[图片一开始的座标(可调整)]

    '---------- Local variables ----------

    'Graphics [绘图]
    Dim g As System.Drawing.Graphics
    Dim dstRect, srcRect As Rectangle

    'List [清单]
    Dim listPic As New List(Of Image) 'List of picture
    Dim listAng As New List(Of Integer) 'List of angle

    'Collection [集合]
    Dim collRep As New Collection

    'Positions [宣告座标的巢状结构]
    Dim pos As struc_pos

    'Flags [旗标]
    Dim stat_moving As Integer 'Status (Pausing->0, Moving->1) [纪录是否在移动]
    Dim stat_ang, max_ang As Integer 'Angle [角度(DEG)，与最大值]
    Dim passedTime, multiTi As Single 'Time [已经过时间，与时间加倍量]

    'Help texts
    Const hlp_1 As String = "(1) 按 ""上"",""下"" 切换角度" & vbNewLine & "(2) 按 ""空白键"" 开始发射/停止" & vbNewLine & vbNewLine & "当物体碰撞到底下边缘才会消失"


    Private Sub Form1_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles Me.KeyDown

        local_kc_dir(e.KeyCode)

    End Sub

    Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

        Dim i As Integer

        '--- Variables ---

        'Position
        With pos
            .g = 9.8
            .ini_v = user_ini_v
        End With

        'Status
        stat_moving = 0
        stat_ang = 6 '[设定一开始是第三张图片，30度的]

        'Time
        multiTi = 15 '[时间加倍量，太低图片会跑很慢]

        '--- List of Images ---
        '[读取图片，并读取角度值]
        max_ang = -1
        For i = 0 To 360 Step 15
            listPic.Add(Image.FromFile("00_" & i & ".gif"))
            listAng.Add(i)
            max_ang += 1
        Next

        '--- Obj. ---

        'PictureBox1
        local_renew_resetpic()
        PictureBox1.Visible = False

        'Timer1
        Timer1.Interval = 50

        '--- Sub ---
        local_change_pic()

    End Sub

    Private Sub Form1_Paint(ByVal sender As System.Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles MyBase.Paint

        dstRect = Me.ClientRectangle
        srcRect = dstRect

        g = e.Graphics

        '--- Picture ---
        dstRect = New Rectangle(New Point(pos.x, pos.y), PictureBox1.Size)

        g.DrawImage(PictureBox1.Image, dstRect, srcRect, GraphicsUnit.Pixe ..

访客只能看到部份内容，免费 加入会员

x0

PictureBox1.Location = New Point(pos.ini_x, pos.ini_y)

这一行取到的值都一样，后续的动作就不会有效果啰。

x0

请问大大那要如何修改才能有碰撞侦测

x0

回 覆 锁 定 ：

  此回覆已被锁定，只有『管理员及回覆者』看的到 !!!

x0