各位先進,有一個問題困惱著我寫程式

我有一條直線,有起始點(x1,y1)跟終點座標(x2,y2),現在我要把這條直線切成十等份,並算出十等份上所有的座標.

我目前作法是(x1 x2)*(1/10) x1
(y1 y2)*(1/10) y1

但是座標不會再直線上,請教各位先進,有什麼辦法可以讓切十等份且座標都在線上.

謝謝

我的程式沒有使用小數點
如果需要請自行修改喔~~~
請參考↓↓↓


[code cpp]
//---------------------------------------------------------------------------
#include
#pragma hdrstop
#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 * Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent * Owner): TForm(Owner){}
//---------------------------------------------------------------------------
void __fastcall TForm1::FormMouseDown(TObject * Sender, TMouseButton Button, TShiftState Shift, int X, int Y)
{
if (Button == mbLeft)
{
Canvas->MoveTo(X, Y);
Canvas->LineTo(X, Y);
edt1->Text = X;
edt2->Text = Y;
}
}
//---------------------------------------------------------------------------
void __fastcall TForm1::FormMouseUp(TObject * Sender, TMouseButton Button, TShiftState Shift, int X, int Y)
{
int abc, def;
if (Button == mbLeft)
{
Canvas->LineTo(X, Y);
edt3->Text = X;
edt4->Text = Y;
abc = ((edt3->Text) - (edt1->Text)) / 10;
def = ((edt4->Text) - (edt2->Text)) / 10;
edt5->Text = abc StrToInt(edt1->Text);
edt7->Text = abc * 2 StrToInt(edt1->Text);
edt9->Text = abc * 3 StrToInt(edt1->Text);
edt11->Text = abc * 4 StrToInt(edt1->Text);
edt13->Text = abc * 5 StrToInt(edt1->Text);
edt15->Text = abc * 6 StrToInt(edt1->Text);
edt17->Text = abc * 7 StrToInt(edt1->Text);
edt19->Text = abc * 8 StrToInt(edt1->Text);
edt21->Text = abc * 9 StrToInt(edt1->Text);
edt23->Text = abc * 10 StrToInt(edt1->Text);
edt6->Text = def StrToInt(edt2->Text);
edt8->Text = def * 2 StrToInt(edt2->Text);
edt10->Text = def * 3 StrToInt(edt2->Text);
edt12->Text = def * 4 StrToInt(edt2->Text);
edt14->Text = def * 5 StrToInt(edt2->Text);
edt16->Text = def * 6 StrToInt(edt2->Text);
edt18->Text = def * 7 StrToInt(edt2->Text);
edt20->Text = def * 8 StrToInt(edt2->Text);
edt22->Text = def * 9 StrToInt(edt2->Text);
edt24->Text = def * 10 StrToInt(edt2->Text);
}
}
//---------------------------------------------------------------------------[/code]

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燒毛崴