mirror of
https://github.com/Acamaeda/The-Modding-Tree.git
synced 2024-11-22 00:21:32 +00:00
72 lines
No EOL
2.3 KiB
JavaScript
72 lines
No EOL
2.3 KiB
JavaScript
var canvas;
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var ctx;
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window.addEventListener("resize", (_=>resizeCanvas()));
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function retrieveCanvasData() {
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let treeCanv = document.getElementById("treeCanvas")
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let treeTab = document.getElementById("treeTab")
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if (treeCanv===undefined||treeCanv===null) return false;
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if (treeTab===undefined||treeTab===null) return false;
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canvas = treeCanv;
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ctx = canvas.getContext("2d");
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return true;
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}
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function resizeCanvas() {
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if (!retrieveCanvasData()) return
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canvas.width = 0;
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canvas.height = 0;
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canvas.width = document.getElementById("treeTab").scrollWidth;
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canvas.height = document.getElementById("treeTab").scrollHeight;
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drawTree();
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}
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function drawTree() {
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if (!retrieveCanvasData()) return;
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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if (layerUnl('b')) drawTreeBranch("p", "b")
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if (layerUnl('g')) drawTreeBranch("p", "g")
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if (layerUnl('e')) {
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drawTreeBranch("b", "e")
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drawTreeBranch("g", "e")
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}
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if (layerUnl('t')) drawTreeBranch("b", "t")
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if (layerUnl('sb')) drawTreeBranch("b", "sb")
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if (layerUnl('s')) drawTreeBranch("g", "s")
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if (layerUnl('h')) drawTreeBranch("t", "h")
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if (layerUnl('q')) drawTreeBranch("e", "q")
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if (layerUnl('hb')) {
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drawTreeBranch("sb", "hb")
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drawTreeBranch("t", "hb")
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}
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if (layerUnl('ss')) {
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drawTreeBranch("e", "ss")
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drawTreeBranch("s", "ss")
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}
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if (layerUnl('m')) {
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drawTreeBranch("hb", "m")
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drawTreeBranch("h", "m")
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}
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if (layerUnl('ba')) {
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drawTreeBranch("q", "ba")
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drawTreeBranch("ss", "ba")
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}
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needCanvasUpdate = false;
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}
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function drawTreeBranch(num1, num2) { // taken from Antimatter Dimensions & adjusted slightly
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let start = document.getElementById(num1).getBoundingClientRect();
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let end = document.getElementById(num2).getBoundingClientRect();
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let x1 = start.left + (start.width / 2) + (document.getElementById("treeTab").scrollLeft || document.body.scrollLeft);
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let y1 = start.top + (start.height / 2) + (document.getElementById("treeTab").scrollTop || document.body.scrollTop);
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let x2 = end.left + (end.width / 2) + (document.getElementById("treeTab").scrollLeft || document.body.scrollLeft);
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let y2 = end.top + (end.height / 2) + (document.getElementById("treeTab").scrollTop || document.body.scrollTop);
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ctx.lineWidth = 15;
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ctx.beginPath();
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ctx.strokeStyle = "white"
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ctx.moveTo(x1, y1);
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ctx.lineTo(x2, y2);
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ctx.stroke();
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} |