第二步,接受控制:Form的KeyPReview屬性要設(shè)為true,在Form_KeyPress函數(shù)中通過改變?nèi)肿兞縞x來控制賽車的位置。
第三步,Diml1(22)AsInteger注釋:每層跑道左邊有幾個(gè)方塊
Diml2(22)AsInteger注釋:每層跑道右邊有幾個(gè)方塊
DimcxAsSingle注釋:賽車的在x軸的位置
PrivateSubCommand1_Click()
cx=Width/2-3*D/2
cy=Height-D
drawcar
Fori=1To20
l1(i)=0
l2(i)=0
drawway(i)
Nexti
Timer1.Enabled=True
EndSub
PrivateSubdrawcar()
Line(cx,BT-100)-Step(3*D,D),BackColor,BF
Line(cx D,BT-200)-Step(D,D),BackColor,BF注釋:先擦
Line(cx,BT-100)-Step(3*D,D),RGB(225,0,0),BF
Line(cx D,BT-200)-Step(D,D),RGB(225,0,0),BF
EndSub
PrivateSubdrawway(n)
Line(Width/2-3*D/2-2*D,BT-n*D)-Step(7*D,D),BackColor,BF
注釋:先擦后畫
Line(Width/2-3*D/2-2*D,BT-n*D)-Step(l1(n)*D,D),,BF
Line(Width/2-3*D/2 5*D,BT-n*D)-Step(-l2(n)*D,D),,BF
EndSub
PrivateSubForm_KeyPress(KeyAsciiAsInteger)
SelectCaseKeyAscii
CaseAsc("a"),Asc("A")
cx=cx-D
CaseAsc("s"),Asc("S")
cx=cx D
EndSelect
EndSub
PrivateSubTimer1_Timer()
Randomize
Fori=1To19
l1(i)=l1(i 1)
l2(i)=l2(i 1)
drawway(i)
Nexti
Do
l1(20)=Int(Rnd*5)
l2(20)=Int(Rnd*5)
LoopUntil((l1(20) l2(20)<=4)And(l1(20)-l1(19)<=1)And_
(l2(20)-l2(19)<=1)And(l1(19) l2(20)<=4)And_
(l1(20) l2(19)<=4))注釋:這里生成新一層跑道,
注釋:注意要篩去玩家不可能通過的情況!
drawway(20)
注釋:以上畫出跑道
drawcar
test
EndSub
PrivateSubtest()
If3.5*D-Width/2 cx If3.5*D-Width/2 cx D If3.5*D-(cx 3*D-Width/2) If3.5*D-(cx 2*D-Width/2)
EndSub
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