AI-Generated Platformer

Enter a level theme and click Generate.

\n \n \n

\n\n\n\n`;\n}\n\n// --- BACKEND API ---\nconst app = new Hono();\n\napp.get(\"/\", async (c) => {\n const url = new URL(c.req.url);\n const action = c.req.query(\"action\");\n const theme = c.req.query(\"theme\") || \"A classic video game level\";\n\n if (action === \"generateLevel\") {\n try {\n const openai = new OpenAI();\n const completion = await openai.chat.completions.create({\n model: \"gpt-4o\",\n messages: [\n { role: \"system\", content: LEVEL_GENERATOR_PROMPT },\n { role: \"user\", content: `Level Theme: \"${theme}\"` },\n ],\n response_format: { type: \"json_object\" },\n });\n\n const aiResponse = completion.choices[0].message.content;\n\n // Treat AI as untrusted input: Validate the structure before sending\n let levelData;\n try {\n levelData = JSON.parse(aiResponse);\n // A simple validation check\n if (!levelData.playerStart || !levelData.platforms || !levelData.enemies) {\n throw new Error(\"Invalid level structure from AI.\");\n }\n } catch (parseError) {\n console.error(\"AI Response Parse/Validation Error:\", parseError.message);\n console.error(\"Falling back to default level. AI Response was:\", aiResponse);\n levelData = FALLBACK_LEVEL;\n }\n\n return c.json(levelData);\n } catch (error) {\n console.error(\"OpenAI API Error:\", error);\n // If AI fails, provide a safe fallback level\n return c.json(FALLBACK_LEVEL, 500);\n }\n }\n\n const sourceUrl = `https://${url.hostname}${url.pathname}`;\n return c.html(generateHtml(sourceUrl));\n});\n\nexport default app.fetch;","deleted","label","children",[],[150],"files",[148],"counts",{"_173":32,"_174":175,"_176":32,"_177":32},"pulls","branches",1,"forks","envVars","contents",[180],{"_102":149,"_95":150,"_151":152,"_153":-5,"_154":136,"_155":135,"_156":157,"_104":181,"_99":159,"_160":161,"_162":163,"_164":22,"_165":-5,"_98":182},["D",1751353398271],[150],"file","upstreamProject","upstreamBranch","emptyEnvVars","isNew","flags",[],"routes/_app.x.$handle.$name._index",{"_93":94,"_95":96,"_97":-7,"_99":-7,"_100":192,"_178":197,"_200":-7,"_201":-5,"_202":-5,"_169":203,"_207":208},{"_102":103,"_95":96,"_104":193,"_106":-5,"_107":22,"_108":109,"_110":-5,"_111":-5,"_14":112,"_113":-5,"_114":22,"_115":-5,"_116":32,"_16":117,"_118":119,"_120":119,"_121":122,"_123":122,"_124":122,"_125":119,"_126":119,"_23":194,"_130":195,"_133":196,"_145":22},["D",1751353105072],{"_93":94,"_128":129},{"_93":94,"_132":129},{"_99":135,"_95":43,"_102":136,"_137":103,"_138":-5,"_139":-5,"_140":-5,"_141":-5,"_142":-5,"_143":96,"_144":94},[198],{"_102":149,"_95":150,"_151":152,"_153":-5,"_154":136,"_155":135,"_156":157,"_104":181,"_99":159,"_160":161,"_162":163,"_164":22,"_165":-5,"_98":199},[150],"readme","upstream","pull",[204],{"_102":149,"_95":150,"_151":152,"_153":-5,"_154":136,"_155":135,"_156":157,"_104":158,"_99":159,"_160":161,"_162":163,"_164":22,"_165":-5,"_166":205,"_98":206},[],[150],"previews",[204],"actionData","errors"]