How to resolve the algorithm Write language name in 3D ASCII step by step in the Go programming language

Published on 12 May 2024 09:40 PM
#Go

How to resolve the algorithm Write language name in 3D ASCII step by step in the Go programming language

Table of Contents

Problem Statement

Write/display a language's name in 3D ASCII.

(We can leave the definition of "3D ASCII" fuzzy, so long as the result is interesting or amusing, not a cheap hack to satisfy the task.)

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Write language name in 3D ASCII step by step in the Go programming language

This code is written in the Go programming language and defines a custom font rendering function. It takes a string and a font as input and returns the rendered string.

The font type in this code defines the properties of a font, including its height, slant, spacing, and a map of runes (characters) to their corresponding string representations. The render function uses this information to generate a string representation of the input string using the specified font.

Here's a brief explanation of how the render function works:

  1. It initializes an array of strings called rows with a length equal to the height of the font.

  2. If the font has a slant, it adds appropriate spacing to the beginning of each row based on the slant and the current row index.

  3. If the font has positive spacing, it inserts the specified spacing between each character's representation in the rows.

  4. If the font has negative spacing (overlap), it removes the specified number of characters from the beginning of each character's representation in the rows.

  5. Finally, it joins all the rows into a single string, which is the rendered representation of the input string using the specified font.

In the main function, two different fonts are defined, lean and smallKeyboard, and the render function is used to render the string "Go" using each font. The resulting rendered strings are then printed to the console.

This code demonstrates how to create custom fonts and render strings using those fonts in Go. It uses string manipulation techniques to create the character representations and handles spacing and slant adjustments based on the specified font properties.

Source code in the go programming language

package main

import (
    "fmt"
    "strings"
)

var lean = font{
    height:  5,
    slant:   1,
    spacing: 2,
    m: map[rune][]string{
        'G': []string{
            `  _/_/_/`,
            `_/      `,
            `_/  _/_/`,
            `_/    _/`,
            `  _/_/_/`,
        },
        'o': []string{
            `        `,
            `  _/_/  `,
            `_/    _/`,
            `_/    _/`,
            `  _/_/  `,
        },
    }}

var smallKeyboard = font{
    height:  4,
    slant:   0,
    spacing: -1,
    m: map[rune][]string{
        'G': []string{
            ` ____ `,
            `||G ||`,
            `||__||`,
            `|/__\|`,
        },
        'o': []string{
            ` ____ `,
            `||o ||`,
            `||__||`,
            `|/__\|`,
        },
    }}

type font struct {
    height  int
    slant   int
    spacing int
    m       map[rune][]string
}

func render(s string, f font) string {
    rows := make([]string, f.height)
    if f.slant != 0 {
        start := 0
        if f.slant > 0 {
            start = f.height
        }
        for i := range rows {
            rows[i] = strings.Repeat(" ", (start-i)*f.slant)
        }
    }
    if f.spacing >= 0 {
        spacing := strings.Repeat(" ", f.spacing)
        for j, c := range s {
            for i, r := range f.m[c] {
                if j > 0 {
                    r = spacing + r
                }
                rows[i] += r
            }
        }
    } else {
        overlap := -f.spacing
        for j, c := range s {
            for i, r := range f.m[c] {
                if j > 0 {
                    r = r[overlap:]
                }
                rows[i] += r
            }
        }
    }
    return strings.Join(rows, "\n")
}

func main() {
    fmt.Println(render("Go", lean))
    fmt.Println(render("Go", smallKeyboard))
}

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