{{mainObject}}
{"klassen":[{"name":"SinusKosinus","code":"class SinusKosinus implements ActionListener{\n\t\n\tGUI gui=new GUI(this);\n\tTimer timer;\n\tint alpha=0;\n\tpublic static void main(String[] args){\n\t\tnew SinusKosinus();\n\t}\n\t\n\tSinusKosinus(){\n\t\ttimer=new Timer(50,this);\n\t\ttimer.setActionCommand(\"tick\");\n\t\tredraw();\n\t}\n\t\n\tvoid redraw(){\n\t\tGraphics2D g=(Graphics2D) gui.zeichnen.getGraphics();\n\t\tint w,h;\n\t\tDimension d=gui.zeichnen.getSize();\n\t\tw=d.width;\n\t\th=d.height;\n\t\tg.clearRect(0,0,w,h);\n\t\tint ox=(int) Math.round(0.5*w);\n\t\tint oy=(int) Math.round(0.5*h);\n\t\tint r1=(int) Math.round(0.45*w);\n\t\tint r2=(int) Math.round(0.45*h);\n\t\tint r;\n\t\tif(r1<r2){\n\t\t\tr=r1;\n\t\t}else{\n\t\t\tr=r2;\n\t\t}\n\t\tint l=ox-r;\n\t\tint t=oy-r;\n\t\tg.setStroke(new BasicStroke(1));\n\t\tg.setColor(Color.black);\n\t\tg.drawLine(0,oy,w,oy);\n\t\tg.drawLine(ox,0,ox,h);\n\t\tg.setStroke(new BasicStroke(3));\n\t\tg.setColor(Color.black);\n\t\tg.drawOval(l,t,r*2,r*2);\n\t\tg.setColor(Color.red);\n\t\tg.setStroke(new BasicStroke(5));\n\t\tg.drawArc(l,t,r*2,r*2,0,alpha);\n\t\tint x,y;\n\t\tint c=(int) (Math.cos(alpha*Math.PI/180)*r);\n\t\tx=ox+c;\n\t\tint s=(int) (Math.sin(alpha*Math.PI/180)*r);\n\t\ty=oy-s;\n\t\tg.setColor(Color.blue);\n\t\tg.drawLine(ox,y,ox,oy);\n\t\tg.setColor(Color.green);\n\t\tg.drawLine(ox,oy,x,oy);\n\t\tg.setColor(Color.red);\n\t\tg.drawLine(ox,oy,x,y);\n\t\talpha++;\n\t\tif(alpha==360){\n\t\t\talpha=0;\n\t\t}\n\t}\n\t\n\tpublic void actionPerformed(ActionEvent ev){\n\t\tString s=ev.getActionCommand();\n\t\tif(s.equals(\"start\")){\n\t\t\ttimer.start();\n\t\t\tgui.start.setText(\"Pause\");\n\t\t\tgui.start.setActionCommand(\"pause\");\n\t\t}else if(s.equals(\"stop\")){\n\t\t\ttimer.stop();\n\t\t\tgui.start.setText(\"Start\");\n\t\t\tgui.start.setActionCommand(\"start\");\n\t\t\talpha=0;\n\t\t\tredraw();\n\t\t}else if(s.equals(\"pause\")){\n\t\t\ttimer.stop();\n\t\t\tgui.start.setText(\"Start\");\n\t\t\tgui.start.setActionCommand(\"start\");\n\t\t}else if(s.equals(\"tick\")){\n\t\t\tredraw();\n\t\t}\n\t}\n}"}],"gui":{"name":"GUI","code":"<jframe name=\"fenster\" layout=\"border\">\n\t<jpanel name=\"zeichnen\" area=\"center\">\n\t \n\t</jpanel>\n\t<jpanel area=\"south\" layout=\"hbox\">\n\t <jbutton name=\"start\" command=\"start\">Start</jbutton>\n\t <jbutton name=\"stop\" command=\"stop\">Stop</jbutton>\n\t</jpanel>\n</jframe>"}}