102 lines
2.5 KiB
JavaScript
102 lines
2.5 KiB
JavaScript
let numMax = 50;
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let margin = 5;
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let G;
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function setup() {
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createCanvas(800, 800);
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imageMode(CENTER);
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G = createGraphics(width * 0.8, height * 0.8);
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}
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function draw(){
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background(255);
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let numA = int(map(mouseX, 0, width, 2, numMax));
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let numB = int(map(mouseY, 0, height, 2, numMax));
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let ratio = numB / numA;
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textAlign(LEFT);
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showText(100, 60, 40, "numA = " + numA, 0, this);
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showText(100, 100, 40, "numB = " + numB, 0, this);
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showText(400, 60, 40, "ratio = " + nfc(ratio, 2), 0, this);
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Euclidean(ratio, G);
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image(G, width / 2, height / 2 + height / 20);
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}
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function Euclidean(ratio, g) {
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let xPos = 0;
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let yPos = 0;
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let count = 0;
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let size = g.width;
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g.rectMode(CENTER);
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g.noStroke();
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g.clear();
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while (size > 0.1) {
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count++;
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//カウントが奇数だった場合、x軸方向に次の四角形を描く
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if (count % 2 == 1) {
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let xSize = size * ratio;
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let ySize = size;
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while (xPos + xSize < g.width + 0.1) {
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g.push();
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g.translate(xPos + xSize / 2, yPos + ySize / 2);
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g.fill(100);
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g.textAlign(CENTER, CENTER);
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myRect(0, 0, xSize - margin, ySize - margin, g);
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showText(0, 0, min(xSize, ySize) / 2, count, 255, g);
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g.pop();
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//座標更新（X軸方向に描いた四角形の横の大きさ分だけ＋）
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xPos += xSize;
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}
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//描いた四角形の大きさ分だけ次に描く四角形の大きさを小さくする
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size = g.width - xPos;
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//カウントが偶数だった場合、y軸方向に次の四角形を描く
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} else {
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let xSize = size;
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let ySize = size / ratio;
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while (yPos + ySize < g.width + 0.1) {
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g.push();
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g.translate(xPos + xSize / 2, yPos + ySize / 2);
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g.fill(0);
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g.textAlign(CENTER, CENTER);
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myRect(0, 0, xSize - margin, ySize - margin, g);
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showText(0, 0, min(xSize, ySize) / 2, count, 255, g);
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g.pop();
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//座標更新（Y軸方向に描いた四角形の縦の大きさ分だけ＋）
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yPos += ySize;
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}
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//描いた四角形の大きさ分だけ次に描く四角形の大きさを小さくする
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size = g.width - yPos;
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}
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}
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}
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function showText(cx, cy, size, value, col, g){
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g.push();
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g.translate(cx, cy);
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g.fill(col);
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g.textSize(size);
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g.text(value, 0, 0);
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g.pop();
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}
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function myRect(cx, cy, sx, sy, g) {
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g.push();
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g.translate(cx, cy);
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g.noStroke();
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g.rect(0, 0, sx, sy);
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g.pop();
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} |