Three.js Wave Shapes

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{ Scene, PerspectiveCamera, WebGLRenderer, PlaneGeometry, MeshBasicMaterial, Mesh } from \"npm:three\";\n\nexport default async function(req: Request): Promise {\n if (req.method !== \"POST\") {\n return Response.json({ message: \"This function only accepts POST requests.\" }, { status: 400 });\n }\n try {\n const htmlContent = `\n \n \n \n \n \n Three.js Wave Shapes\n \n \n \n \n \n \n \n `;\n return new Response(htmlContent, {\n headers: { \"Content-Type\": \"text/html\" }\n });\n } catch (error) {\n return Response.json({ error: \"An error occurred\", details: error.message }, { status: 500 });\n 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