Sierpinski’s Gasket Triangle in JavaScript

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I wrote the Sierpinski’s Gasket Triangle in JavaScript, but I feel the code can be better, especially from L32 to L47. Could you make it more organized?

    var canvas = document.getElementById('chaos');

    var ctx = canvas.getContext('2d');

    

    const GenerateRand = () => Math.floor(Math.random() * 7);

    const updateDot = (x, y, point) => {

      let X = Math.min(x,point.x)+(Math.max(x,point.x)-Math.min(x,point.x))/2;

      let Y = Math.min(y,point.y)+(Math.max(y,point.y)-Math.min(y,point.y))/2;

      return {x: X, y: Y};

    }

    const createDot = (obj) => {

      ctx.beginPath();

      ctx.arc(obj.x, obj.y, 1, 0, 2 * Math.PI, false);

      ctx.lineWidth = 1;

      ctx.strokeStyle = '#fc3';

      ctx.stroke();

    }

    

    const pA = {x: canvas.width/2, y: 5};

    const pB = {x: 5, y: canvas.height-5} 

    const pC = {x: canvas.width-5, y: canvas.height-5}

    

    createDot(pA);

    createDot(pB);

    createDot(pC);

    

    const begin = (iterations) => {

      let x = canvas.width/4;

      let y = canvas.height/2;

        for(let i=0;i<iterations;i++) {

        createDot({x, y});

        let randN = GenerateRand();

        if(randN == 1 || randN == 2) {

          const currentDot = updateDot(x, y, pA);

          x = currentDot.x;

          y = currentDot.y;

        }

        else if(randN == 3 || randN == 4) {

          const currentDot = updateDot(x, y, pB);

          x = currentDot.x;

          y = currentDot.y;

        }

        else if(randN == 5 || randN == 6){

          const currentDot = updateDot(x, y, pC);

          x = currentDot.x;

          y = currentDot.y;

        }

      }

    }

    

    let time=0;

    let timer = setInterval(() => {

       if(time >= 500) return clearInterval(timer)

       begin(500);

       time++;

    }, 200);

<div>

      <canvas id="chaos" width="500" height="500"></canvas>

    </div>

edited 5 mins ago

Jamal♦

30.2k11115226

asked 14 mins ago

Zeyad Etman

1185

add a comment |

up vote
0
down vote

favorite

I wrote the Sierpinski’s Gasket Triangle in JavaScript, but I feel the code can be better, especially from L32 to L47. Could you make it more organized?

    var canvas = document.getElementById('chaos');

    var ctx = canvas.getContext('2d');

    

    const GenerateRand = () => Math.floor(Math.random() * 7);

    const updateDot = (x, y, point) => {

      let X = Math.min(x,point.x)+(Math.max(x,point.x)-Math.min(x,point.x))/2;

      let Y = Math.min(y,point.y)+(Math.max(y,point.y)-Math.min(y,point.y))/2;

      return {x: X, y: Y};

    }

    const createDot = (obj) => {

      ctx.beginPath();

      ctx.arc(obj.x, obj.y, 1, 0, 2 * Math.PI, false);

      ctx.lineWidth = 1;

      ctx.strokeStyle = '#fc3';

      ctx.stroke();

    }

    

    const pA = {x: canvas.width/2, y: 5};

    const pB = {x: 5, y: canvas.height-5} 

    const pC = {x: canvas.width-5, y: canvas.height-5}

    

    createDot(pA);

    createDot(pB);

    createDot(pC);

    

    const begin = (iterations) => {

      let x = canvas.width/4;

      let y = canvas.height/2;

        for(let i=0;i<iterations;i++) {

        createDot({x, y});

        let randN = GenerateRand();

        if(randN == 1 || randN == 2) {

          const currentDot = updateDot(x, y, pA);

          x = currentDot.x;

          y = currentDot.y;

        }

        else if(randN == 3 || randN == 4) {

          const currentDot = updateDot(x, y, pB);

          x = currentDot.x;

          y = currentDot.y;

        }

        else if(randN == 5 || randN == 6){

          const currentDot = updateDot(x, y, pC);

          x = currentDot.x;

          y = currentDot.y;

        }

      }

    }

    

    let time=0;

    let timer = setInterval(() => {

       if(time >= 500) return clearInterval(timer)

       begin(500);

       time++;

    }, 200);

<div>

      <canvas id="chaos" width="500" height="500"></canvas>

    </div>

edited 5 mins ago

Jamal♦

30.2k11115226

asked 14 mins ago

Zeyad Etman

1185

add a comment |

up vote
0
down vote

favorite

I wrote the Sierpinski’s Gasket Triangle in JavaScript, but I feel the code can be better, especially from L32 to L47. Could you make it more organized?

    var canvas = document.getElementById('chaos');

    var ctx = canvas.getContext('2d');

    

    const GenerateRand = () => Math.floor(Math.random() * 7);

    const updateDot = (x, y, point) => {

      let X = Math.min(x,point.x)+(Math.max(x,point.x)-Math.min(x,point.x))/2;

      let Y = Math.min(y,point.y)+(Math.max(y,point.y)-Math.min(y,point.y))/2;

      return {x: X, y: Y};

    }

    const createDot = (obj) => {

      ctx.beginPath();

      ctx.arc(obj.x, obj.y, 1, 0, 2 * Math.PI, false);

      ctx.lineWidth = 1;

      ctx.strokeStyle = '#fc3';

      ctx.stroke();

    }

    

    const pA = {x: canvas.width/2, y: 5};

    const pB = {x: 5, y: canvas.height-5} 

    const pC = {x: canvas.width-5, y: canvas.height-5}

    

    createDot(pA);

    createDot(pB);

    createDot(pC);

    

    const begin = (iterations) => {

      let x = canvas.width/4;

      let y = canvas.height/2;

        for(let i=0;i<iterations;i++) {

        createDot({x, y});

        let randN = GenerateRand();

        if(randN == 1 || randN == 2) {

          const currentDot = updateDot(x, y, pA);

          x = currentDot.x;

          y = currentDot.y;

        }

        else if(randN == 3 || randN == 4) {

          const currentDot = updateDot(x, y, pB);

          x = currentDot.x;

          y = currentDot.y;

        }

        else if(randN == 5 || randN == 6){

          const currentDot = updateDot(x, y, pC);

          x = currentDot.x;

          y = currentDot.y;

        }

      }

    }

    

    let time=0;

    let timer = setInterval(() => {

       if(time >= 500) return clearInterval(timer)

       begin(500);

       time++;

    }, 200);

<div>

      <canvas id="chaos" width="500" height="500"></canvas>

    </div>

edited 5 mins ago

Jamal♦

30.2k11115226

asked 14 mins ago

Zeyad Etman

1185

I wrote the Sierpinski’s Gasket Triangle in JavaScript, but I feel the code can be better, especially from L32 to L47. Could you make it more organized?

    var canvas = document.getElementById('chaos');

    var ctx = canvas.getContext('2d');

    

    const GenerateRand = () => Math.floor(Math.random() * 7);

    const updateDot = (x, y, point) => {

      let X = Math.min(x,point.x)+(Math.max(x,point.x)-Math.min(x,point.x))/2;

      let Y = Math.min(y,point.y)+(Math.max(y,point.y)-Math.min(y,point.y))/2;

      return {x: X, y: Y};

    }

    const createDot = (obj) => {

      ctx.beginPath();

      ctx.arc(obj.x, obj.y, 1, 0, 2 * Math.PI, false);

      ctx.lineWidth = 1;

      ctx.strokeStyle = '#fc3';

      ctx.stroke();

    }

    

    const pA = {x: canvas.width/2, y: 5};

    const pB = {x: 5, y: canvas.height-5} 

    const pC = {x: canvas.width-5, y: canvas.height-5}

    

    createDot(pA);

    createDot(pB);

    createDot(pC);

    

    const begin = (iterations) => {

      let x = canvas.width/4;

      let y = canvas.height/2;

        for(let i=0;i<iterations;i++) {

        createDot({x, y});

        let randN = GenerateRand();

        if(randN == 1 || randN == 2) {

          const currentDot = updateDot(x, y, pA);

          x = currentDot.x;

          y = currentDot.y;

        }

        else if(randN == 3 || randN == 4) {

          const currentDot = updateDot(x, y, pB);

          x = currentDot.x;

          y = currentDot.y;

        }

        else if(randN == 5 || randN == 6){

          const currentDot = updateDot(x, y, pC);

          x = currentDot.x;

          y = currentDot.y;

        }

      }

    }

    

    let time=0;

    let timer = setInterval(() => {

       if(time >= 500) return clearInterval(timer)

       begin(500);

       time++;

    }, 200);

<div>

      <canvas id="chaos" width="500" height="500"></canvas>

    </div>

    var canvas = document.getElementById('chaos');

    var ctx = canvas.getContext('2d');

    

    const GenerateRand = () => Math.floor(Math.random() * 7);

    const updateDot = (x, y, point) => {

      let X = Math.min(x,point.x)+(Math.max(x,point.x)-Math.min(x,point.x))/2;

      let Y = Math.min(y,point.y)+(Math.max(y,point.y)-Math.min(y,point.y))/2;

      return {x: X, y: Y};

    }

    const createDot = (obj) => {

      ctx.beginPath();

      ctx.arc(obj.x, obj.y, 1, 0, 2 * Math.PI, false);

      ctx.lineWidth = 1;

      ctx.strokeStyle = '#fc3';

      ctx.stroke();

    }

    

    const pA = {x: canvas.width/2, y: 5};

    const pB = {x: 5, y: canvas.height-5} 

    const pC = {x: canvas.width-5, y: canvas.height-5}

    

    createDot(pA);

    createDot(pB);

    createDot(pC);

    

    const begin = (iterations) => {

      let x = canvas.width/4;

      let y = canvas.height/2;

        for(let i=0;i<iterations;i++) {

        createDot({x, y});

        let randN = GenerateRand();

        if(randN == 1 || randN == 2) {

          const currentDot = updateDot(x, y, pA);

          x = currentDot.x;

          y = currentDot.y;

        }

        else if(randN == 3 || randN == 4) {

          const currentDot = updateDot(x, y, pB);

          x = currentDot.x;

          y = currentDot.y;

        }

        else if(randN == 5 || randN == 6){

          const currentDot = updateDot(x, y, pC);

          x = currentDot.x;

          y = currentDot.y;

        }

      }

    }

    

    let time=0;

    let timer = setInterval(() => {

       if(time >= 500) return clearInterval(timer)

       begin(500);

       time++;

    }, 200);

<div>

      <canvas id="chaos" width="500" height="500"></canvas>

    </div>

    var canvas = document.getElementById('chaos');

    var ctx = canvas.getContext('2d');

    

    const GenerateRand = () => Math.floor(Math.random() * 7);

    const updateDot = (x, y, point) => {

      let X = Math.min(x,point.x)+(Math.max(x,point.x)-Math.min(x,point.x))/2;

      let Y = Math.min(y,point.y)+(Math.max(y,point.y)-Math.min(y,point.y))/2;

      return {x: X, y: Y};

    }

    const createDot = (obj) => {

      ctx.beginPath();

      ctx.arc(obj.x, obj.y, 1, 0, 2 * Math.PI, false);

      ctx.lineWidth = 1;

      ctx.strokeStyle = '#fc3';

      ctx.stroke();

    }

    

    const pA = {x: canvas.width/2, y: 5};

    const pB = {x: 5, y: canvas.height-5} 

    const pC = {x: canvas.width-5, y: canvas.height-5}

    

    createDot(pA);

    createDot(pB);

    createDot(pC);

    

    const begin = (iterations) => {

      let x = canvas.width/4;

      let y = canvas.height/2;

        for(let i=0;i<iterations;i++) {

        createDot({x, y});

        let randN = GenerateRand();

        if(randN == 1 || randN == 2) {

          const currentDot = updateDot(x, y, pA);

          x = currentDot.x;

          y = currentDot.y;

        }

        else if(randN == 3 || randN == 4) {

          const currentDot = updateDot(x, y, pB);

          x = currentDot.x;

          y = currentDot.y;

        }

        else if(randN == 5 || randN == 6){

          const currentDot = updateDot(x, y, pC);

          x = currentDot.x;

          y = currentDot.y;

        }

      }

    }

    

    let time=0;

    let timer = setInterval(() => {

       if(time >= 500) return clearInterval(timer)

       begin(500);

       time++;

    }, 200);

<div>

      <canvas id="chaos" width="500" height="500"></canvas>

    </div>

javascript

edited 5 mins ago

Jamal♦

30.2k11115226

asked 14 mins ago

Zeyad Etman

1185

edited 5 mins ago

Jamal♦

30.2k11115226

asked 14 mins ago

Zeyad Etman

1185

edited 5 mins ago

Jamal♦

30.2k11115226

edited 5 mins ago

Jamal♦

30.2k11115226

edited 5 mins ago

Jamal♦

30.2k11115226

asked 14 mins ago

Zeyad Etman

1185

asked 14 mins ago

Zeyad Etman

1185

asked 14 mins ago

Zeyad Etman

1185

add a comment |

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oldest

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