質問編集履歴
3
test
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@@ -1 +1 @@
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1
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放物線
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放物線いどうaaaa
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test
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File without changes
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2
ミスコード
test
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File without changes
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test
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@@ -3,111 +3,3 @@
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3
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何度も試行錯誤しましたができませんでした。
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4
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5
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解決策を教えてください。
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6
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public partial class FormBallshoot : Form
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9
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{
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10
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double ballPos_x;
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-
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double ballPos_y;
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double ballSpeed_x;
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double ballSpeed_y;
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int ballRadius;
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public FormBallshoot()
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{
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double v = 10;
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double deg = 30;
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double g = 9.8;
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double t = 1;
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t++;
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InitializeComponent();
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40
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this.ballPos_x = 10;
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this.ballPos_y = 600;
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44
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this.ballSpeed_x = v * t * Math.Cos(deg * Math.PI / 180);
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46
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this.ballSpeed_y = v * t * Math.Sin(deg * Math.PI / 180) - 0.5 * g * t * t;
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48
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//this.ballSpeed = new Vector(5, -5);
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50
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this.ballRadius = 10;
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52
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55
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Timer timer = new Timer();
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timer.Interval = 30;
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timer.Tick += new EventHandler(Update);
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-
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timer.Start();
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}
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private void Update(object sender, EventArgs e)
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{
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ballPos_x += ballSpeed_x;
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ballPos_y += ballSpeed_y;
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Invalidate();
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}
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private void endToolStripMenuItem_Click(object sender, EventArgs e)
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{
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Close();
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-
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}
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private void Draw_Figuare(object sender, PaintEventArgs e)
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{
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98
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e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
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100
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101
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//円を描画する
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102
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103
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SolidBrush brush = new SolidBrush(Color.Red);
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104
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105
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float px = (float)this.ballPos_x - this.ballRadius;
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106
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107
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float py = (float)this.ballPos_y - this.ballRadius;
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108
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e.Graphics.FillEllipse(brush, px, py, this.ballRadius * 2, this.ballRadius * 2);
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110
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-
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111
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}
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112
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-
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113
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}
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1
y方向の式
test
CHANGED
|
File without changes
|
test
CHANGED
|
@@ -44,7 +44,7 @@
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44
44
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45
45
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this.ballSpeed_x = v * t * Math.Cos(deg * Math.PI / 180);
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46
46
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47
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-
this.ballSpeed_y =
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47
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+
this.ballSpeed_y = v * t * Math.Sin(deg * Math.PI / 180) - 0.5 * g * t * t;
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48
48
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49
49
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//this.ballSpeed = new Vector(5, -5);
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50
50
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