Előnézeti kép:
A kód:
(Ezt egy tetszőleges nevű .html kiterjesztésű fájlba beletehetjük)
<html>
<head>
<title>ORA MUTATOS</title>
<canvas id="my_canvas" width="520" height="510" ></canvas>
</head>
<body>
<script>
var angle_jump=6;
var dt= new Date();
sec = dt.getSeconds()*angle_jump;
var min=dt.getMinutes();
min=min*angle_jump;
min=min + (sec/360)
var hour=dt.getHours();
hour=hour*30;
hour=hour + (min/12);
var ang_second=90-sec;
var ang_minute=90-min;
var ang_hour=90-hour;
var r=160;
//var my_canvas=$('#my_canvas').get(0)
var my_canvas=document.getElementById("my_canvas");
var gctx = my_canvas.getContext("2d");
var x=my_canvas.width/2;
var y=my_canvas.height/2;
speed=1000;
arc_angle=10;// angle of oppisite end of second niddle
////////////
my_function=function my_function(){
gctx.clearRect(0, 0, my_canvas.width,my_canvas.height);
///////////////////
gctx.moveTo(x+r*1.4,y);
gctx.strokeStyle= '#d28c23';
gctx.lineWidth=30;
gctx.shadowColor = 'black';
gctx.shadowOffsetX=5;
gctx.shadowOffsetY=5;
gctx.shadowBlur = 15;
gctx.arc(x,y,r*1.4,0,2*Math.PI);
gctx.stroke(); ///Outer circle
////////////////////
gctx.lineWidth=1;
//////////// To show number indicating Hours ///////////
var h=2;
var x_gap=-5;
var y_gap=5;
for(j=0;j<360;j += angle_jump){
j_radian=j*(Math.PI/180);
gctx.beginPath()
gctx.strokeStyle= '#464623';
if((j % (5*angle_jump))==0){
var y1_out=y+ 1.1*r*Math.sin(j_radian);
var x1_out=x+ 1.1*r*Math.cos(j_radian);
var y1_text=y+ 1*r*Math.sin(j_radian);
var x1_text=x+ 1*r*Math.cos(j_radian);
//h=h+5;
if(h<12){
h=h+1; // to show hour
}else{
h=1;
}
gctx.font = '36px serif';
if(y_gap<15){y_gap=y_gap+1;}
x_gap=x_gap-1;
void gctx.fillText(h,x1_text+x_gap, y1_text+y_gap);
}else{
var y1_out=y+ 1.15*r*Math.sin(j_radian);
var x1_out=x+ 1.15*r*Math.cos(j_radian);
}
var y2_out=y+ 1.2*r*Math.sin(j_radian);
var x2_out=x+ 1.2*r*Math.cos(j_radian);
gctx.moveTo(x1_out,y1_out);
gctx.lineTo(x2_out,y2_out);
gctx.stroke();
}
/////////////////////
gctx.beginPath()
gctx.strokeStyle= '#46d2f5'; // border color of the second needle
var startAngle=(1/180) * (360-ang_second); // In degree
var a_end_ang=(1/180) * (360-(ang_second + 180 -arc_angle));
var a_start_ang=(1/180) *(360-(ang_second + 180 + arc_angle));
var y1=y+ r*Math.sin(startAngle*Math.PI);
var x1=x+ r*Math.cos(startAngle*Math.PI);
gctx.moveTo(x1,y1); // Coordinate of tip of the needle
gctx.arc(x,y,0.3*r,a_start_ang*Math.PI,a_end_ang*Math.PI);
gctx.lineTo(x1,y1); // Full second needle path
gctx.fillStyle = '#46d2f5'; // fill colour of the second needle
gctx.fill();
gctx.stroke(); // draw the second needle
//////////////////////////////////
///////////Minute Needle//////////
gctx.beginPath()
gctx.strokeStyle= '#f5d200'; // border color of the minute needle
var startAngle=(1/180) * (360-ang_minute); // In degree
var a_end_ang=(1/180) * (360-(ang_minute + 180 -arc_angle));
var a_start_ang=(1/180) *(360-(ang_minute + 180 + arc_angle));
var y1=y+ 0.9*r*Math.sin(startAngle*Math.PI);
var x1=x+ 0.9*r*Math.cos(startAngle*Math.PI);
gctx.moveTo(x1,y1); // Coordinate of tip of the needle
gctx.arc(x,y,0.3*r,a_start_ang*Math.PI,a_end_ang*Math.PI);
gctx.lineTo(x1,y1); // Full minute needle path
gctx.fillStyle = '#f5d200'; // fill colour of the minute needle
gctx.fill();
gctx.stroke(); // draw the minute needle
//////////////////////////////////
///////////hour Needle//////////
gctx.beginPath()
gctx.strokeStyle= '#f52300'; // border color of the hour needle
var startAngle=(1/180) * (360-ang_hour); // In degree
var a_end_ang=(1/180) * (360-(ang_hour + 180 -(arc_angle*2)));
var a_start_ang=(1/180) *(360-(ang_hour + 180 + (arc_angle*2)));
var y1=y+ 0.8*r*Math.sin(startAngle*Math.PI);
var x1=x+ 0.8*r*Math.cos(startAngle*Math.PI);
gctx.moveTo(x1,y1); // Coordinate of tip of the needle
gctx.arc(x,y,0.15*r,a_start_ang*Math.PI,a_end_ang*Math.PI);
gctx.lineTo(x1,y1); // Full hour needle path
gctx.fillStyle = '#f52300'; // fill colour of the hour needle
gctx.fill();
gctx.stroke(); // draw the hour needle
//////////////////////////////////
/// small Circle at center of the clock
gctx.beginPath()
gctx.strokeStyle= '#000000';
gctx.arc(x,y,3,0,2*Math.PI);
gctx.fillStyle = '#ff00ff';
gctx.fill();
gctx.stroke();
my_function2();
}
////////
my_function2=function my_function2(){
if(ang_second > -264){
ang_second=ang_second-angle_jump;
my_time=setTimeout('my_function()',speed)
//$('#d1').html("ang_second: " + ang_second + "<br>ang_minute" + ang_minute + "<br>ang_hour" + ang_hour);
}else{
ang_second=90;
if(ang_minute > -264){
ang_minute=ang_minute - angle_jump;
}else{
ang_minute=90;
ang_hour=ang_hour-angle_jump;
}
my_time=setTimeout('my_function()',speed)
}
}
/////////
my_function();
</script>
</body>
</html>
