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Phyllotaxis fix

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Sam
2025-08-06 07:49:08 +12:00
parent 55a9f31464
commit 700f984314
2 changed files with 16 additions and 12 deletions
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2
docs/js/helper.js
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@@ -45,6 +45,8 @@ async function fetchConfig(className) {
],
Phyllotaxis: [
{ type: "range", min: 1, max: 40, defaultValue: 24, property: "width" },
{ type: "range", min: 1, max: 40, defaultValue: 10, property: "size" },
{ type: "range", min: 1, max: 40, defaultValue: 4, property: "sizeMin" },
{ type: "range", min: 0, max: 3141, defaultValue: 0, property: "start" },
{ type: "range", min: 1, max: 10000, defaultValue: 300, property: "nMax" },
{ type: "range", min: 0, max: 2, defaultValue: 0, property: "wave" },

26
docs/js/objects.js
View File

@@ -310,9 +310,11 @@ class Nodal_expanding extends BaseShape {
}
}
class Phyllotaxis extends BaseShape {
constructor(width, start, nMax, wave, colour1, colour2) {
constructor(width, size, sizeMin, start, nMax, wave, colour1, colour2) {
super();
this.width = width;
this.size = size;
this.sizeMin = sizeMin;
this.start = start;
this.nMax = nMax;
this.wave = wave;
@@ -324,7 +326,7 @@ class Phyllotaxis extends BaseShape {
const startColor = [45, 129, 252];
const endColor = [252, 3, 98];
const distanceMultiplier = 3;
const maxIterations = 200;
const maxIterations = this.nMax;
// angle=0;
for (let n = 0; n < maxIterations; n++) {
ctx.beginPath();
@@ -336,7 +338,7 @@ class Phyllotaxis extends BaseShape {
const radius = distanceMultiplier * n;
const xCoord = radius * Math.cos(nAngle) + centerX;
const yCoord = radius * Math.sin(nAngle) + centerY;
ctx.arc(xCoord, yCoord, 8, 0, 2 * Math.PI);
ctx.arc(xCoord, yCoord, this.size, 0, 2 * Math.PI);
ctx.fillStyle = colourToText(nColor);
ctx.fill();
}
@@ -368,7 +370,7 @@ class Phyllotaxis extends BaseShape {
draw(rotation) {
rotation *= (this.speedMultiplier / 300)
rotation += this.start
const sizeMultiplier = this.nMax / (5 - 3)
const sizeMultiplier = this.nMax / this.size + (5 - 3)
if (this.wave === 1) {
this.drawWave(rotation)
}
@@ -385,7 +387,7 @@ class Phyllotaxis extends BaseShape {
const y = r * Math.sin(a) + centerY;
ctx.beginPath();
ctx.arc(x, y, (n / sizeMultiplier) + 3, 0, 2 * Math.PI);
ctx.arc(x, y, (n / sizeMultiplier) + this.sizeMin, 0, 2 * Math.PI);
ctx.fillStyle = ncolour;
// ctx.fillStyle = colourToText(ncolour);
ctx.fill();
@@ -759,13 +761,13 @@ class Countdown extends BaseShape {
secondsUntilDate(targetDate) {
const now = new Date();
// Create the target date specifically in New Zealand timezone (NZST/NZDT)
// Format: YYYY-MM-DDThh:mm:ss+12:00 (NZ standard time)
// The '+12:00' part makes it explicit that we're using NZ timezone
const nzTimeString = targetDate.replace('T', 'T').concat('+12:00');
const target = new Date(nzTimeString);
// Get difference in milliseconds and convert to seconds
const difference = target.getTime() - now.getTime();
return Math.round(difference / 1000);
@@ -796,7 +798,7 @@ class Countdown extends BaseShape {
// elapsedTime *= this.speedMultiplier / 400
let fontSize = 48;
if(ctx.canvas.width < 1000){
if (ctx.canvas.width < 1000) {
fontSize = 24;
}
@@ -824,13 +826,13 @@ class Countdown extends BaseShape {
// Calculate how many seconds are needed to move a single pixel
// Each pixel represents (100/canvasWidth) percent of the total progress
// We need to know how many seconds that percentage represents
const secondsPerPixel = (seconds/canvasWidth);
const secondsPerPixel = (seconds / canvasWidth);
console.log(elapsedTime)
const secondsUntilFirstPixel = secondsPerPixel - (elapsedTime/10);
const secondsUntilFirstPixel = secondsPerPixel - (elapsedTime / 10);
// console.log(secondsUntilFirstPixel)
ctx.fillText("Time until first pixel: " + Math.round(secondsUntilFirstPixel) + " seconds", centerX, centerY + 350);
this.drawProgressBar(percentRounded);
}
}