java applet drawstar

畫星星函式

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public void cad_drawstar(Graphics g,int x,int y,int r,int angle) { Graphics2D graph = (Graphics2D)g; double deg,temp1,temp2,temp3,temp4; deg=3.14159/180.0; double pt_x[] = new double[7]; //java 宣告陣列 格式 double pt_y[] = new double[7]; double ptt_x[] = new double[7]; double ptt_y[] = new double[7]; int i,j; for (i=0;i<7;i++){ pt_x[i]=x+r*Math.sin(72.*deg*i+angle*deg); //sin cos 三角函數 使用格式 Math. pt_y[i]=y-r*Math.cos(72.*deg*i+angle*deg); temp1=Math.cos(54.*deg-72.*deg*i-angle*deg); temp2=Math.sin(54.*deg-72.*deg*i-angle*deg); temp3=Math.sin(18.*deg); temp4=Math.cos(36.*deg); ptt_x[i]=x+r*temp3*temp1/temp4; ptt_y[i]=y-r*temp3*temp2/temp4; } for (i=0;i<5;i++){ graph.drawLine((int)pt_x[i],(int)pt_y[i],(int)ptt_x[i],(int)ptt_y[i]); //graph.drawLine 內的點必須是 int 因此把double 等變數強制轉換 j=i+1; graph.drawLine((int)ptt_x[i],(int)ptt_y[i],(int)pt_x[j],(int)pt_y[j]); } }

php call java in cmsimple

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<?php function HelloWorldApp(){ $output="<applet codebase=\"plugins/test\" code=\"HelloWorldApp\" height=\"500\" width=\"500\"></applet>"; return $output; } ?>