Java basic drawing technology. The Java drawing coordinate system of tank wars (II.)

　　　　Function: Draw the tank on the coordinate system

1 /*2 * Function: Tank Game of 1.03 * 1. Draw a tank4  * */5  PackageCom.tank;6 7 Importjavax.swing.*;8 9 Importjava.awt.*;Ten  Public classDemo2extendsjframe{ One  A     /** -      * @paramargs -      */ theMypanel MP =NULL; -      Public Static voidMain (string[] args) { -         //TODO auto-generated Method Stub -Demo2 demo2=NewDemo2 (); +     } -      +     //constructor Function A      PublicDemo2 () at     { -MP =NewMypanel (); -          -          This. Add (MP); -          This. SetSize (400,300); -          This. Setdefaultcloseoperation (jframe.exit_on_close); in          This. setvisible (true); -     } to  + } -  the //my panel * classMypanelextendsJPanel $ {Panax Notoginseng     //define a tank of mine -Hero Hero =NULL; the      +     //constructor Function A      PublicMypanel () the     { +Hero =NewHero (10,10); -     } $      $     //overriding the Paint function -      Public voidPaint (Graphics g) -     { the         Super. Paint (g); -G.fillrect (0,0,400, 300);Wuyi          This. Drawtank (Hero.getx (), Hero.gety (), g, 0, 1); the     } -     //draw the function of a tank Wu      Public voidDrawtank (intXintY,graphics G,intDirectinttype) -     { About         //determine what type of tank (enemy or own) $         Switch(type) -         { -          Case0: - G.setcolor (Color.cyan); A              Break; +          Case1: the G.setcolor (color.yellow); -              Break; $         } the          the         //Judging Direction the         Switch(direct) the         { -             //Upward in              Case0: the                  the                 //draw my tank (then encapsulate it into a function) About                 //1. Draw the left rectangle theG.fill3drect (x, Y, 5, 30,false); the                 //2. Draw the right rectangle theG.fill3drect (x+15, Y, 5, 30,false); +                 //3. Draw the middle rectangle -G.fill3drect (x+5, Y+5, 10, 20,false); the                 //4. Draw a circleBayiG.filloval (x+5, y+10, 10, 10); the                 //5. Draw the outlet theG.drawline (x+10, y+15, x+10, y); -                  Break; -         } the     } the } the  the //Tank Class - classTank the { the     //indicates the horizontal axis of the tank the     intX=0;94      the     //from the ordinate of the tank the     intY=0; the      Public intGetX () {98         returnx; About     } -      Public voidSetX (intx) {101          This. x =x;102     }103      Public intGetY () {104         returny; the     }106      Public voidSety (inty) {107          This. y =y;108     }109      PublicTank (intXinty) the     {111          This. x=x; the          This. y=y;113     } the } the  the //my tank.117 classHeroextendsTank118 {119      PublicHero (intXinty) -     {121         Super(x, y);122     }123}

Java basic drawing technology. The Java drawing coordinate system of tank wars (II.)