{"id":7009,"date":"2025-06-26T15:47:56","date_gmt":"2025-06-26T13:47:56","guid":{"rendered":"https:\/\/inventi.pl\/?page_id=7009"},"modified":"2025-06-26T16:23:02","modified_gmt":"2025-06-26T14:23:02","slug":"timer","status":"publish","type":"page","link":"https:\/\/inventi.pl\/en\/timer\/","title":{"rendered":"timer"},"content":{"rendered":"
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\n\t\t\t\t\t\r\n\r\n\r\n \r\n OBS Countdown Timer<\/title>\r\n <style>\r\n html, body {\r\n margin: 0;\r\n padding: 0;\r\n background: black;\r\n overflow: hidden;\r\n height: 100%;\r\n font-family: sans-serif;\r\n }\r\n canvas {\r\n display: block;\r\n }\r\n #setupModal {\r\n position: absolute;\r\n top: 0;\r\n left: 0;\r\n width: 100vw;\r\n height: 100vh;\r\n background: rgba(0,0,0,0.9);\r\n color: white;\r\n display: flex;\r\n flex-direction: column;\r\n justify-content: center;\r\n align-items: center;\r\n font-size: 24px;\r\n z-index: 10;\r\n }\r\n #setupModal input[type=\"number\"] {\r\n font-size: 24px;\r\n width: 80px;\r\n margin: 10px;\r\n }\r\n #setupModal label {\r\n margin-top: 10px;\r\n display: flex;\r\n align-items: center;\r\n gap: 8px;\r\n }\r\n #startBtn {\r\n margin-top: 20px;\r\n padding: 10px 30px;\r\n font-size: 20px;\r\n cursor: pointer;\r\n background: orange;\r\n border: none;\r\n color: black;\r\n border-radius: 5px;\r\n }\r\n <\/style>\r\n<\/head>\r\n<body>\r\n<div id=\"setupModal\">\r\n <div>\r\n <label>Enter Minutes: <input type=\"number\" id=\"minutesInput\" value=\"43\" min=\"1\" \/><\/label>\r\n <label><input type=\"checkbox\" id=\"fullMinutesChk\" \/> Full-minute display (MM:00)<\/label>\r\n <button id=\"startBtn\">Start<\/button>\r\n <\/div>\r\n<\/div>\r\n<canvas id=\"timerCanvas\"><\/canvas>\r\n<script>\r\n const defaultFullMinuteMode = false;\r\n\r\n const canvas = document.getElementById(\"timerCanvas\");\r\n const ctx = canvas.getContext(\"2d\");\r\n let width = canvas.width = window.innerWidth;\r\n let height = canvas.height = window.innerHeight;\r\n\r\n let totalSeconds = 0;\r\n let remaining = 0;\r\n let startTime = 0;\r\n let endTime = 0;\r\n let running = false;\r\n let flashing = false;\r\n let flashState = false;\r\n let fullMinuteDisplay = defaultFullMinuteMode;\r\n let autoStartTriggered = false;\r\n\r\n document.getElementById(\"fullMinutesChk\").checked = defaultFullMinuteMode;\r\n\r\n function startCountdown(minutes, useFullMinuteMode) {\r\n fullMinuteDisplay = useFullMinuteMode;\r\n totalSeconds = minutes * 60;\r\n remaining = totalSeconds;\r\n startTime = Date.now();\r\n endTime = startTime + totalSeconds * 1000;\r\n running = true;\r\n document.getElementById(\"setupModal\").style.display = \"none\";\r\n requestAnimationFrame(draw);\r\n }\r\n\r\n document.getElementById(\"startBtn\").onclick = () => {\r\n if (running) return;\r\n const mins = parseInt(document.getElementById(\"minutesInput\").value, 10);\r\n if (!mins || mins < 1) return;\r\n const useFullMinute = document.getElementById(\"fullMinutesChk\").checked;\r\n startCountdown(mins, useFullMinute);\r\n };\r\n\r\n setTimeout(() => {\r\n if (!running) {\r\n autoStartTriggered = true;\r\n startCountdown(42, defaultFullMinuteMode);\r\n }\r\n }, 10000);\r\n\r\n function formatParts(sec) {\r\n const m = Math.floor(sec \/ 60).toString().padStart(2, '0');\r\n const showSeconds = !fullMinuteDisplay || sec <= 59;\r\n const s = showSeconds ? Math.floor(sec % 60).toString().padStart(2, '0') : \"00\";\r\n return [m, \":\", s];\r\n }\r\n\r\n function draw() {\r\n ctx.clearRect(0, 0, width, height);\r\n\r\n ctx.fillStyle = flashing ? (flashState ? \"white\" : \"black\") : \"black\";\r\n ctx.fillRect(0, 0, width, height);\r\n ctx.fillStyle = flashing ? (flashState ? \"black\" : \"white\") : \"white\";\r\n\r\n const fontSize = Math.floor(width * 0.3);\r\n ctx.font = `bold ${fontSize}px sans-serif`;\r\n ctx.textBaseline = \"middle\";\r\n ctx.textAlign = \"left\";\r\n\r\n const [mm, colon, ss] = formatParts(remaining);\r\n const spacing = ctx.measureText(\"88\").width;\r\n const colonWidth = ctx.measureText(\":\").width;\r\n const totalTextWidth = spacing * 2 + colonWidth;\r\n const startX = (width - totalTextWidth) \/ 2;\r\n const centerY = height \/ 2;\r\n\r\n ctx.fillText(mm, startX, centerY);\r\n ctx.fillText(colon, startX + spacing, centerY);\r\n ctx.fillText(ss, startX + spacing + colonWidth, centerY);\r\n\r\n if (!flashing) {\r\n const progress = 1 - (remaining \/ totalSeconds);\r\n const barWidth = width * 0.8;\r\n const barHeight = 80;\r\n const barX = (width - barWidth) \/ 2;\r\n const barY = height * 0.8;\r\n const gap = 30;\r\n const chunk = (barWidth - 3 * gap) \/ 4;\r\n\r\n for (let i = 0; i < 4; i++) {\r\n const x = barX + i * (chunk + gap);\r\n ctx.fillStyle = \"midnightblue\";\r\n ctx.fillRect(x, barY, chunk, barHeight);\r\n }\r\n\r\n ctx.fillStyle = \"orangered\";\r\n const fillPercent = progress * 100;\r\n for (let i = 0; i < 4; i++) {\r\n const x = barX + i * (chunk + gap);\r\n const chunkStartPercent = i * 25;\r\n const chunkEndPercent = (i + 1) * 25;\r\n\r\n if (fillPercent >= chunkEndPercent) {\r\n ctx.fillRect(x, barY, chunk, barHeight);\r\n } else if (fillPercent > chunkStartPercent) {\r\n const percentInChunk = (fillPercent - chunkStartPercent) \/ 25;\r\n ctx.fillRect(x, barY, chunk * percentInChunk, barHeight);\r\n }\r\n }\r\n }\r\n\r\n if (running) {\r\n const now = Date.now();\r\n remaining = Math.max(0, Math.floor((endTime - now) \/ 1000));\r\n if (remaining > 0) {\r\n requestAnimationFrame(draw);\r\n } else {\r\n running = false;\r\n startFlashing();\r\n }\r\n } else if (flashing) {\r\n requestAnimationFrame(draw);\r\n }\r\n }\r\n\r\n function startFlashing() {\r\n flashing = true;\r\n setInterval(() => {\r\n flashState = !flashState;\r\n }, 500);\r\n requestAnimationFrame(draw);\r\n }\r\n\r\n window.onresize = () => {\r\n width = canvas.width = window.innerWidth;\r\n height = canvas.height = window.innerHeight;\r\n if (running || flashing) draw();\r\n };\r\n<\/script>\r\n<\/body>\r\n<\/html>\r\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>OBS Countdown Timer Enter Minutes: Full-minute display (MM:00) Start<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_canvas","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-7009","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>timer < Szkolenia i strategie rozwojowe dla klient\u00f3w korporacyjnych od 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