DynamicArena/pentagon-chart.html at master · MommaWatasu/DynamicArena · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
<!DOCTYPE html>
<html lang="ja">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>五角形レーダーチャート編集ツール</title>
    <style>
        body {
            font-family: 'Helvetica Neue', Arial, sans-serif;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 20px;
            background-color: #f5f5f5;
        }

        h1 {
            color: #333;
            margin-bottom: 30px;
        }

        .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 40px;
            max-width: 1000px;
        }

        .chart-container {
            position: relative;
            width: 400px;
            height: 400px;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            padding: 20px;
        }

        .controls {
            display: flex;
            flex-direction: column;
            width: 300px;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            padding: 20px;
        }

        .control-group {
            margin-bottom: 15px;
        }

        label {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 5px;
            font-weight: bold;
            color: #555;
        }

        input[type="range"] {
            width: 100%;
        }

        .value-display {
            font-weight: bold;
            margin-left: 10px;
            width: 20px;
            text-align: center;
        }

        .axis-name-input {
            width: 100%;
            padding: 5px;
            margin-top: 5px;
            border: 1px solid #ddd;
            border-radius: 4px;
        }

        canvas {
            display: block;
            margin: 0 auto;
        }
    </style>
</head>
<body>
    <h1>五角形レーダーチャート編集ツール</h1>

    <div class="container">
        <div class="chart-container">
            <canvas id="radarChart" width="360" height="360"></canvas>
        </div>

        <div class="controls">
            <div class="control-group">
                <label>
                    軸1: <input type="text" class="axis-name-input" id="axis1Name" value="能力A" placeholder="軸の名前">
                </label>
                <label>
                    <input type="range" id="value1" min="1" max="5" value="3" step="1">
                    <span class="value-display" id="value1Display">3</span>
                </label>
            </div>

            <div class="control-group">
                <label>
                    軸2: <input type="text" class="axis-name-input" id="axis2Name" value="能力B" placeholder="軸の名前">
                </label>
                <label>
                    <input type="range" id="value2" min="1" max="5" value="4" step="1">
                    <span class="value-display" id="value2Display">4</span>
                </label>
            </div>

            <div class="control-group">
                <label>
                    軸3: <input type="text" class="axis-name-input" id="axis3Name" value="能力C" placeholder="軸の名前">
                </label>
                <label>
                    <input type="range" id="value3" min="1" max="5" value="2" step="1">
                    <span class="value-display" id="value3Display">2</span>
                </label>
            </div>

            <div class="control-group">
                <label>
                    軸4: <input type="text" class="axis-name-input" id="axis4Name" value="能力D" placeholder="軸の名前">
                </label>
                <label>
                    <input type="range" id="value4" min="1" max="5" value="5" step="1">
                    <span class="value-display" id="value4Display">5</span>
                </label>
            </div>

            <div class="control-group">
                <label>
                    軸5: <input type="text" class="axis-name-input" id="axis5Name" value="能力E" placeholder="軸の名前">
                </label>
                <label>
                    <input type="range" id="value5" min="1" max="5" value="3" step="1">
                    <span class="value-display" id="value5Display">3</span>
                </label>
            </div>
        </div>
    </div>

    <script>
        // キャンバスと2Dコンテキストを取得
        const canvas = document.getElementById('radarChart');
        const ctx = canvas.getContext('2d');

        // チャートの中心点と最大半径
        const centerX = canvas.width / 2;
        const centerY = canvas.height / 2;
        const maxRadius = Math.min(centerX, centerY) - 40;

        // スライダーとその表示値への参照を取得
        const sliders = [
            document.getElementById('value1'),
            document.getElementById('value2'),
            document.getElementById('value3'),
            document.getElementById('value4'),
            document.getElementById('value5')
        ];

        const valueDisplays = [
            document.getElementById('value1Display'),
            document.getElementById('value2Display'),
            document.getElementById('value3Display'),
            document.getElementById('value4Display'),
            document.getElementById('value5Display')
        ];

        const axisNameInputs = [
            document.getElementById('axis1Name'),
            document.getElementById('axis2Name'),
            document.getElementById('axis3Name'),
            document.getElementById('axis4Name'),
            document.getElementById('axis5Name')
        ];

        // イベントリスナーを設定
        sliders.forEach((slider, index) => {
            slider.addEventListener('input', () => {
                valueDisplays[index].textContent = slider.value;
                drawChart();
            });
        });

        axisNameInputs.forEach(input => {
            input.addEventListener('input', drawChart);
        });


        // レーダーチャートを描画する関数
        function drawChart() {
            // キャンバスをクリア
            ctx.clearRect(0, 0, canvas.width, canvas.height);

            // 背景グリッドの描画
            drawGrid();

            // 軸の値を取得
            const values = sliders.map(slider => parseInt(slider.value));

            // 軸の名前を取得
            const axisNames = axisNameInputs.map(input => input.value);

            // 軸のラベルを描画
            drawAxisLabels(axisNames);

            // データのポリゴンを描画
            drawDataPolygon(values);
        }

        // 背景グリッドを描画する関数
        function drawGrid() {
            const maxValue = 5;

            // 5つの同心円を描画（値の1〜5に対応）
            for (let value = 1; value <= maxValue; value++) {
                const radius = (value / maxValue) * maxRadius;

                ctx.beginPath();
                ctx.arc(centerX, centerY, radius, 0, 2 * Math.PI);
                ctx.strokeStyle = '#ddd';
                ctx.lineWidth = 1;
                ctx.stroke();

                // 値のラベルを描画（最も外側の円のみ）
                if (value === maxValue) {
                    ctx.fillStyle = '#999';
                    ctx.font = '12px Arial';
                    ctx.textAlign = 'center';
                    ctx.fillText(value.toString(), centerX, centerY - radius - 5);
                }
            }

            // 5つの軸線を描画
            for (let i = 0; i < 5; i++) {
                const angle = (i * 2 * Math.PI / 5) - Math.PI / 2;
                const x = centerX + maxRadius * Math.cos(angle);
                const y = centerY + maxRadius * Math.sin(angle);

                ctx.beginPath();
                ctx.moveTo(centerX, centerY);
                ctx.lineTo(x, y);
                ctx.strokeStyle = '#ddd';
                ctx.lineWidth = 1;
                ctx.stroke();
            }
        }

        // 軸のラベルを描画する関数
        function drawAxisLabels(axisNames) {
            ctx.fillStyle = '#333';
            ctx.font = 'bold 14px Arial';
            ctx.textAlign = 'center';

            for (let i = 0; i < 5; i++) {
                const angle = (i * 2 * Math.PI / 5) - Math.PI / 2;
                const labelDistance = maxRadius + 25;
                const x = centerX + labelDistance * Math.cos(angle);
                const y = centerY + labelDistance * Math.sin(angle);

                ctx.fillText(axisNames[i], x, y);
            }
        }

        // データのポリゴンを描画する関数
        function drawDataPolygon(values) {
            const maxValue = 5;

            // ポリゴンを描画
            ctx.beginPath();

            for (let i = 0; i < 5; i++) {
                const angle = (i * 2 * Math.PI / 5) - Math.PI / 2;
                const value = values[i];
                const radius = (value / maxValue) * maxRadius;
                const x = centerX + radius * Math.cos(angle);
                const y = centerY + radius * Math.sin(angle);

                if (i === 0) {
                    ctx.moveTo(x, y);
                } else {
                    ctx.lineTo(x, y);
                }
            }

            // ポリゴンを閉じる
            ctx.closePath();

            // ポリゴンを塗りつぶす
            ctx.fillStyle = 'rgba(78, 115, 223, 0.5)';
            ctx.fill();

            // ポリゴンの境界線を描画
            ctx.strokeStyle = 'rgba(78, 115, 223, 1)';
            ctx.lineWidth = 2;
            ctx.stroke();

            // データポイントを描画
            for (let i = 0; i < 5; i++) {
                const angle = (i * 2 * Math.PI / 5) - Math.PI / 2;
                const value = values[i];
                const radius = (value / maxValue) * maxRadius;
                const x = centerX + radius * Math.cos(angle);
                const y = centerY + radius * Math.sin(angle);

                ctx.beginPath();
                ctx.arc(x, y, 5, 0, 2 * Math.PI);
                ctx.fillStyle = 'rgba(78, 115, 223, 1)';
                ctx.fill();
                ctx.stroke();

                // 値を表示
                const labelRadius = radius + 15;
                const labelX = centerX + labelRadius * Math.cos(angle);
                const labelY = centerY + labelRadius * Math.sin(angle);

                ctx.fillStyle = '#000';
                ctx.font = 'bold 14px Arial';
                ctx.textAlign = 'center';
                ctx.fillText(value.toString(), labelX, labelY);
            }
        }

        // 初期描画
        drawChart();
    </script>
</body>
</html>