<h1>EnlivenMinetest</h1> <h2>Player usage</h2> <canvas id="myCanvas" width="100" height="1540"> <!--style="border:1px solid #c3c3c3;">--> Your browser does not support the canvas element. </canvas> <div style="color:gray" id="outputArea">loading...</div> <script> var start_hour = 0; var start_m = start_hour*60; var start_s = start_m*60; var endbefore_hour = 24; var hour_count = endbefore_hour - start_hour; var hour_width = 60; // 60 pixels per hour var pixels_per_m = hour_width/60.0; var pixels_per_s = pixels_per_m/60.0; var player_name_width = 100; var text_size = 16.0; var row_y_offset = text_size * (22.0/16.0); // if 16px font is drawn at (x,16), line at (x,21) is one pixel away from the bottom of the descenders var border_y = 0.5; //canvas uses 0.5 as middle of pixel var border_start_x = 0.5+player_name_width; var border_x = border_start_x; var text_y = text_size; var text_start_x = 3.5; var players = []; var stats_html = ""; var time_area_width = hour_width*hour_count; var canvas_w = player_name_width + time_area_width; stats_html += '<div>' + hour_count + "hrs * " + hour_width + "px = " + time_area_width + '</div>' stats_html += '<div>' + time_area_width + "px + " + player_name_width + "px player name = " + canvas_w + 'px canvas width</div>' var outputE = document.getElementById("outputArea"); outputE.innerHTML = stats_html; players[0] = {}; players[0].login_time = "16:20:03" players[0].logout_time = "16:28:45" players[0].display_name = "rando" players[1] = {}; players[1].login_time = "16:23:03" players[1].logout_time = "16:22:45" players[1].display_name = "still_on" players[2] = {}; players[2].login_time = "10:23:03" players[2].logout_time = "16:22:45" players[2].display_name = "obsessed" var canvas = document.getElementById("myCanvas"); canvas.width = canvas_w; var ctx = canvas.getContext("2d"); ctx.font = text_size+"px Arial"; var arrayLength = players.length; var text_x; var index = -1; for (var i = 0; index < arrayLength; i++) { text_x = text_start_x; ctx.fillStyle = "#dce5ea"; ctx.fillRect(0, border_y+1.0, player_name_width, row_y_offset-1.0); //ctx.stroke(); ctx.fillStyle = "#000000"; ctx.moveTo(0, border_y); ctx.strokeStyle = "#000000"; ctx.lineTo(canvas_w, border_y); //ctx.stroke(); ctx.fillStyle = "#000000"; if (index==-1) { ctx.font = "bold "+text_size+"px Arial"; ctx.fillText("Name", text_x, text_y); ctx.font = text_size+"px Arial"; text_x = player_name_width+0.5; //ctx.fillStyle = "#000000"; ctx.strokeStyle = "#008000"; for (var hour=0; hour<endbefore_hour; hour++) { ctx.fillStyle = "#B0B0B0"; ctx.moveTo(text_x, border_y); ctx.lineTo(text_x, border_y+row_y_offset-0.5); //ctx.stroke(); ctx.fillText(hour+":00", text_x+3, text_y); text_x += hour_width; } } else { ctx.fillText(players[index].display_name, text_x, text_y); var border_x = border_start_x; var login_places = players[index].login_time.split(':'); var logout_places = players[index].logout_time.split(':'); var login_second = (+login_places[0]) * 60 * 60 + (+login_places[1]) * 60 + (+login_places[2]); var login_m = login_second / 60.0; var logout_second = (+logout_places[0]) * 60 * 60 + (+logout_places[1]) * 60 + (+logout_places[2]); var logout_m = logout_second / 60.0; var left_x = border_x + (login_m-start_m)*pixels_per_m; var right_x = border_x + (logout_m-start_m)*pixels_per_m; if (right_x<left_x) { right_x = canvas_w; //not logged out yet, so end of bar is at end } ctx.fillStyle = "#FF0000"; ctx.fillRect(left_x, border_y+(row_y_offset/3.0), right_x-left_x, row_y_offset/3.0); ctx.fillStyle = "#000000"; ctx.fillText(login_places[0]+":"+login_places[1], left_x, text_y-(row_y_offset/3.0)); ctx.fillStyle = "#808080"; ctx.fillText(logout_places[0]+":"+logout_places[1], right_x, text_y+(row_y_offset/3.0)); } ctx.stroke(); text_y += row_y_offset; border_y += row_y_offset; index++; } </script>