78 lines
2.0 KiB
HTML
78 lines
2.0 KiB
HTML
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<!doctype html>
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<html>
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<head>
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<title>Hex Builder</title>
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<style>
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body {
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margin: 0;
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background-color: #fffffe;
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}
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#game-canvas {
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position: absolute;
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width: 100%;
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height: 100%;
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}
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</style>
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</head>
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<body>
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<canvas id="game-canvas" width="800" height="600"></canvas>
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<script>
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const canvas = document.getElementById("game-canvas");
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const ctx = canvas.getContext("2d");
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const hex_radius = 30;
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const hex_height = Math.sqrt(3) * hex_radius;
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canvas.width = document.documentElement.clientWidth;
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canvas.height = document.documentElement.clientHeight;
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ctx.fillStyle = "rgb(200 200 255)";
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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const draw_half_hex = (center_x, center_y) => {
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var x0 = center_x - hex_radius;
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var y0 = center_y;
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var x1 = x0 + hex_radius / 2;
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var y1 = y0 - hex_height / 2;
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var x2 = x1 + hex_radius;
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var y2 = y1;
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var x3 = center_x + hex_radius;
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var y3 = center_y;
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ctx.beginPath();
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ctx.moveTo(x0, y0);
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ctx.lineTo(x1, y1);
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ctx.lineTo(x2, y2);
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ctx.lineTo(x3, y3);
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ctx.stroke();
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};
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const draw_grid = (pan_x, pan_y) => {
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var x = 0;
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var y = 0;
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var line = 0;
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ctx.strokeStyle = "rgb(255 255 255)";
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while (y < canvas.height) {
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x = (line % 2 == 0) ? 0 : 1.5 * hex_radius;
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while (x < canvas.width) {
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draw_half_hex(x, y);
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x += 3 * hex_radius;
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}
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y += hex_height / 2;
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line += 1;
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}
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console.log("Grid done");
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};
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draw_grid(0, 0);
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</script>
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</body>
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</html>
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