File size: 6,521 Bytes
78475cb
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Backdrop Template Generator</title>
    <style>
        body {
            margin: 20px;
            font-family: monospace;
            background: #222;
            color: #fff;
        }
        canvas {
            border: 2px solid #fff;
            image-rendering: pixelated;
            image-rendering: crisp-edges;
            display: block;
            margin: 20px 0;
        }
        button {
            background: #4CAF50;
            color: white;
            padding: 10px 20px;
            border: none;
            cursor: pointer;
            font-family: monospace;
            font-size: 14px;
            margin: 5px;
        }
        button:hover {
            background: #45a049;
        }
        .info {
            background: #333;
            padding: 15px;
            margin: 10px 0;
            border-left: 4px solid #4CAF50;
        }
    </style>
</head>
<body>
    <h1>Tetris Backdrop Template Generator</h1>
    
    <div class="info">
        <h3>Instructions:</h3>
        <ol>
            <li>Click "Download Template" to save the template image</li>
            <li>Open the template in your image editor (Photoshop, GIMP, etc.)</li>
            <li>The <strong style="color: #000;">BLACK area with MAGENTA border</strong> is the play area (80×160 pixels)</li>
            <li>The play area will be BLACK in-game, so design around it</li>
            <li>Create your artwork on layers below the template</li>
            <li>Delete the template layer when done</li>
            <li>Export as 256×224 PNG</li>
            <li>Save to <code>public/assets/backdrops/level-X/backdrop.png</code></li>
        </ol>
    </div>

    <canvas id="template" width="256" height="224"></canvas>
    
    <button onclick="downloadTemplate()">Download Template (BACKDROP-TEMPLATE.png)</button>
    <button onclick="downloadBlankTemplate()">Download Blank Template (no labels)</button>
    
    <div class="info">
        <h3>Specifications:</h3>
        <ul>
            <li><strong>Total Size:</strong> 256 × 224 pixels</li>
            <li><strong>Play Area Position:</strong> X: 88, Y: 32</li>
            <li><strong>Play Area Size:</strong> 80 × 160 pixels</li>
            <li><strong>Grid:</strong> 10 blocks wide × 20 blocks tall</li>
            <li><strong>Block Size:</strong> 8 × 8 pixels</li>
        </ul>
    </div>

    <script>
        const canvas = document.getElementById('template');
        const ctx = canvas.getContext('2d');

        function drawTemplate(includeLabels = true) {
            // Background - light gray
            ctx.fillStyle = '#CCCCCC';
            ctx.fillRect(0, 0, 256, 224);

            // Play area - BLACK (as it appears in game)
            ctx.fillStyle = '#000000';
            ctx.fillRect(88, 32, 80, 160);

            // Magenta outline to show the boundary clearly
            ctx.strokeStyle = '#FF00FF';
            ctx.lineWidth = 2;
            ctx.strokeRect(88, 32, 80, 160);
            
            // Add grid lines in play area (light gray on black)
            ctx.strokeStyle = '#444444';
            ctx.lineWidth = 1;
            // Vertical lines every 8 pixels
            for (let x = 88; x <= 168; x += 8) {
                ctx.beginPath();
                ctx.moveTo(x, 32);
                ctx.lineTo(x, 192);
                ctx.stroke();
            }
            // Horizontal lines every 8 pixels
            for (let y = 32; y <= 192; y += 8) {
                ctx.beginPath();
                ctx.moveTo(88, y);
                ctx.lineTo(168, y);
                ctx.stroke();
            }
            
            if (includeLabels) {
                // Add labels
                ctx.fillStyle = '#000000';
                ctx.font = 'bold 12px monospace';
                ctx.fillText('TETRIS BACKDROP TEMPLATE', 30, 15);
                
                ctx.font = '10px monospace';
                ctx.fillText('256 x 224 pixels', 85, 215);
                
                // Play area label
                ctx.fillStyle = '#00FF00';
                ctx.font = 'bold 10px monospace';
                ctx.fillText('PLAY AREA', 100, 110);
                ctx.fillText('(BLACK)', 105, 122);
                ctx.fillText('80 x 160', 105, 134);
                
                // Coordinates
                ctx.fillStyle = '#000000';
                ctx.font = '8px monospace';
                ctx.fillText('(88,32)', 90, 28);
                ctx.fillText('(168,192)', 130, 200);
                
                // UI area labels
                ctx.fillStyle = '#666666';
                ctx.font = '8px monospace';
                ctx.fillText('SCORE/LEVEL', 10, 20);
                ctx.fillText('AREA', 10, 30);
                ctx.fillText('NEXT PIECE', 185, 20);
                ctx.fillText('AREA', 185, 30);
            }
            
            // Corner markers
            ctx.fillStyle = '#FF0000';
            const markerSize = 6;
            ctx.fillRect(88 - markerSize/2, 32 - markerSize/2, markerSize, markerSize);
            ctx.fillRect(168 - markerSize/2, 32 - markerSize/2, markerSize, markerSize);
            ctx.fillRect(88 - markerSize/2, 192 - markerSize/2, markerSize, markerSize);
            ctx.fillRect(168 - markerSize/2, 192 - markerSize/2, markerSize, markerSize);
        }

        function downloadTemplate() {
            ctx.clearRect(0, 0, 256, 224);
            drawTemplate(true);
            
            canvas.toBlob(function(blob) {
                const url = URL.createObjectURL(blob);
                const a = document.createElement('a');
                a.href = url;
                a.download = 'BACKDROP-TEMPLATE.png';
                a.click();
                URL.revokeObjectURL(url);
            });
        }

        function downloadBlankTemplate() {
            ctx.clearRect(0, 0, 256, 224);
            drawTemplate(false);
            
            canvas.toBlob(function(blob) {
                const url = URL.createObjectURL(blob);
                const a = document.createElement('a');
                a.href = url;
                a.download = 'BACKDROP-TEMPLATE-BLANK.png';
                a.click();
                URL.revokeObjectURL(url);
            });
        }

        // Draw initial template
        drawTemplate(true);
    </script>
</body>
</html>