Exercício 1

Smiley Faces Parte V

This example displays a grid of animated smiley faces, each built from a yellow circle, two eyes, and an arc-based mouth. It demonstrates the rendering of multiple SVG elements using React components structured as reusable nested functions. The code leverages the d3.arc() API to generate the mouth path and guides users through debugging JavaScript errors and applying the children prop for component composition. Each face is rendered identically via a mapped array, producing the visual repetition.

OOscar Muindi

Smiley Face Pt 1

The example displays a grid of eighteen smiling faces, each rendered as a yellow circle with black eyes and a mouth, using React components for the face parts and SVG for drawing. The d3 arc API generates the mouth path, while React maps over a d3.range array to create multiple faces. Eye radius and mouth width vary randomly per face, and a FaceContainer wraps the SVG elements inside a translated group.

Ppaulmojicatech

Smiley Face Part I

This example displays a grid of eighteen smiley faces, each a yellow circle with black outlines, eyes, and an arc-shaped mouth. The faces are generated in React and rendered as SVG elements. The code builds each face from reusable components, including `BackgroundCircle`, `Eyes`, and `Mouth`, with the mouth drawn using a D3 `arc()` path generator. The faces are repeated using `d3.range` and `Math.random` to vary the eye radius, creating slight differences between them. The visualization demonstrates component composition and SVG rendering with React and D3 v7.

JJanna Uutela

Smiley Face

This example shows a grid of smiley faces, each rendered as a yellow circle with black outlines, eyes, and a curved mouth. The faces are generated using React components, with each face composed of separate `BackgroundCircle`, `Eyes`, and `Mouth` parts. D3’s `arc` function creates the mouth shape, while `range` from D3 drives the generation of 18 distinct faces, each with randomized eye and mouth dimensions. The SVG output is centered within a fixed-width container, and the code relies on React’s declarative component structure to assemble each face.

FFrederick O'Brien

Smiley Face Part I

The example displays a grid of eighteen smiley faces, each with a yellow circular background, black outline, two eyes, and a curved mouth. It shows how React components compose reusable SVG elements, with each face generated by mapping over a d3.range array. The faces use randomized eye radius and mouth dimensions, while the mouth shape is drawn using the d3.arc() API with specified start and end angles. The SVG rendering is handled through React’s JSX, with a FaceContainer managing the centered coordinate system.

TTakashi-KK

Smiley Face Part 1

This example displays a grid of 18 randomly generated smiley faces, each rendered as an SVG with a yellow background circle, two eyes, and a curved mouth. Using React components for the face parts and D3’s arc generator for the mouth path, the code applies random values to stroke width, eye offsets and radius, and mouth dimensions, creating varied expressions. The faces are composed via nested components like FaceContainer, BackgroundCircle, Eyes, and Mouth, all assembled and rendered through ReactDOM.

Ttmambrose

Smiley Face

The example displays a grid of 18 cartoon smiley faces, each rendered as a yellow SVG circle with black eyes and a curved mouth. It shows how React components compose reusable SVG elements, where each face is generated from randomized eye radii. The code uses React 18 and D3 v7, specifically the `d3.arc` API to construct the mouth path, with an SVG linear gradient applied to the face backgrounds.

LLily Gaffney

Smiley Face Part I

This example shows a grid of twelve identical smiley faces arranged in rows. Each face uses SVG circles for its yellow background and eyes, while the mouth is drawn with a D3 arc path. The React code assembles the face from modular components, and the d3.range function generates the array of twelve face instances. The rendering uses React’s declarative JSX syntax, with D3 v5 providing the arc geometry for the curved mouth.

VValentine Solonechnyi