Zorn/src/Features/Milieu.astro
2024-12-02 19:15:09 -05:00

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Text

---
const {
PlayerName,
MilieuMode,
MilieuSpeed,
MilieuBlur,
MilieuScale,
} = Astro.props
---
<canvas id="zorn-canvas-1"/>
<canvas id="zorn-canvas-2"/>
{
()=> {
if (MilieuMode === "Default") {
return <style is:global>.video-container canvas {position: absolute}</style>
} else if (MilieuMode === "Fullscreen") {
return <style is:global>.video-container canvas {position: fixed}</style>
}
}
}
<style is:global define:vars={{MilieuScale, MilieuBlur}}>
.video-container canvas {
transform: scale(var(--MilieuScale));
filter: blur(var(--MilieuBlur))
}
</style>
<script define:vars={{PlayerName, MilieuSpeed }}>
/**
* @licstart The following is the entire license notice for the
* JavaScript code in this page.
*
* Copyright (C) 2024 SudoVanilla
*
*
* The JavaScript code in this page is free software: you can
* redistribute it and/or modify it under the terms of the GNU
* General Public License (GNU GPL) as published by the Free Software
* Foundation, either version 3 of the License, or (at your option)
* any later version. The code is distributed WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU GPL for more details.
*
* As additional permission under GNU GPL version 3 section 7, you
* may distribute non-source (e.g., minimized or compacted) forms of
* that code without the copy of the GNU GPL normally required by
* section 4, provided you include this license notice and a URL
* through which recipients can access the Corresponding Source.
*
* @licend The above is the entire license notice
* for the JavaScript code in this page.
*
*/
//https://gist.sudovanilla.org/Korbs/ambient-video-effect
var Player = document.querySelector('#zorn-player-' + PlayerName + ' video')
var FirstCanvas = document.getElementById("zorn-canvas-1")
var SecondCanvas = document.getElementById("zorn-canvas-2")
var FirstCtx = FirstCanvas.getContext("2d")
var SecondCtx = SecondCanvas.getContext("2d")
const FrameInterval = MilieuSpeed
const CanvasOpacity = "0.4"
let IntervalId
let FirstFrame = true
const Draw = () => {
if (FirstFrame) {
FirstCtx.drawImage(Player, 0, 0, FirstCanvas.width, FirstCanvas.height)
ToFirstCanvas()
} else {
SecondCtx.drawImage(Player, 0, 0, SecondCanvas.width, SecondCanvas.height)
ToSecondCanvas()
}
FirstFrame = !FirstFrame
}
const ToFirstCanvas = () => {
FirstCanvas.style.opacity = CanvasOpacity
SecondCanvas.style.opacity = "0"
}
const ToSecondCanvas = () => {
SecondCanvas.style.opacity = CanvasOpacity
FirstCanvas.style.opacity = "0"
}
const StartDrawing = () => {IntervalId = window.setInterval(Draw, FrameInterval)}
const PauseDrawing = () => {if (IntervalId) window.clearInterval(IntervalId)}
const init = () => {
Player.pause()
Player.play()
Player.addEventListener("play", StartDrawing, false)
Player.addEventListener("pause", PauseDrawing, false)
Player.addEventListener("ended", PauseDrawing, false)
FirstCanvas.style.transition = SecondCanvas.style.transition = `opacity ${FrameInterval}ms`
}
const cleanup = () => {
Player.removeEventListener("play", StartDrawing)
Player.removeEventListener("pause", PauseDrawing)
Player.removeEventListener("ended", PauseDrawing)
PauseDrawing()
}
window.addEventListener("load", init)
window.addEventListener("unload", cleanup)
</script>