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Add solo transforms

flam3.js
Bradlee Speice 2023-07-04 18:25:31 +00:00
parent f3c463360e
commit ce4fdd154a
7 changed files with 181 additions and 87 deletions
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4
posts/2023/06/flam3/0-utility.tsx
View File

@ -41,7 +41,7 @@ export function randomInteger(min: number, max: number) {
return Math.floor(Math.random() * (max - min)) + min;
}
export function weightedChoice<T>(choices: [number, T][]) {
export function weightedChoice<T>(choices: [number, T][]): [number, T] {
const weightSum = choices.reduce(
(current, [weight, _t]) => current + weight,
0
@ -51,7 +51,7 @@ export function weightedChoice<T>(choices: [number, T][]) {
for (var i = 0; i < choices.length; i++) {
const [weight, t] = choices[i];
if (choice < weight) {
return t;
return [i, t];
}
choice -= weight;

6
posts/2023/06/flam3/2a-variations.ts
View File

@ -80,12 +80,12 @@ export class Flame {
constructor(public readonly transforms: [number, Transform][]) {}
step() {
const transform = weightedChoice(this.transforms);
step(): void {
const [_index, transform] = weightedChoice(this.transforms);
[this.x, this.y] = transform.apply(this.x, this.y);
}
current() {
current(): [number, number] {
return [this.x, this.y];
}
}

2
posts/2023/06/flam3/2c-final.ts
View File

@ -26,7 +26,7 @@ export class FlameFinal extends Flame {
[this.x, this.y] = this.final.apply(this.x, this.y);
}
override current() {
override current(): [number, number] {
if (!this.didLog) {
this.didLog = true;
console.trace(`Getting final xform to plot`);

86
posts/2023/06/flam3/4a-solo.ts Normal file
View File

@ -0,0 +1,86 @@
import { weightedChoice } from "./0-utility";
import {
transform1,
transform1Weight,
transform2Weight,
transform3,
transform3Weight,
} from "./2a-variations";
import { transform2Post } from "./2b-post";
import { FlameFinal, transformFinal } from "./2c-final";
import { AccumulateLogarithmic } from "./3c-logarithmic";
export class AccumulateSolo extends AccumulateLogarithmic {
constructor(
width: number,
height: number,
public readonly soloTransform: number
) {
super(width, height);
}
accumulateWithIndex(x: number, y: number, index: number) {
if (index === this.soloTransform) {
super.accumulate(x, y);
}
}
}
export class FlameIndex extends FlameFinal {
protected index: number = -1;
step() {
const [index, transform] = weightedChoice(this.transforms);
this.index = index;
[this.x, this.y] = transform.apply(this.x, this.y);
}
currentWithIndex(): [number, number, number] {
const [finalX, finalY] = this.final.apply(this.x, this.y);
return [finalX, finalY, this.index];
}
}
export function render(
flame: FlameIndex,
quality: number,
accumulator: AccumulateSolo,
image: ImageData
) {
const iterations = quality * image.width * image.height;
for (var i = 0; i < iterations; i++) {
flame.step();
if (i > 20) {
const [flameX, flameY, index] = flame.currentWithIndex();
accumulator.accumulateWithIndex(flameX, flameY, index);
}
}
accumulator.render(image);
}
export const flameIndex = new FlameIndex(
[
[transform1Weight, transform1],
[transform2Weight, transform2Post],
[transform3Weight, transform3],
],
transformFinal
);
export function renderTransform1(image: ImageData) {
const accumulateTransform1 = new AccumulateSolo(image.width, image.height, 0);
render(flameIndex, 10, accumulateTransform1, image);
}
export function renderTransform2(image: ImageData) {
const accumulateTransform2 = new AccumulateSolo(image.width, image.height, 1);
render(flameIndex, 10, accumulateTransform2, image);
}
export function renderTransform3(image: ImageData) {
const accumulateTransform3 = new AccumulateSolo(image.width, image.height, 2);
render(flameIndex, 10, accumulateTransform3, image);
}

12
posts/2023/06/flam3/index.tsx
View File

@ -8,6 +8,11 @@ import { renderFinal } from "./2c-final";
import { renderBinary } from "./3a-binary";
import { renderLinear } from "./3b-linear";
import { renderLogarithmic } from "./3c-logarithmic";
import {
renderTransform1,
renderTransform2,
renderTransform3,
} from "./4a-solo";
export default function () {
const Layout = Blog({
@ -17,7 +22,7 @@ export default function () {
});
return (
<Layout>
<div>
{/* <div>
<Canvas f={gasket} />
<Canvas f={renderBaseline} />
</div>
@ -28,7 +33,10 @@ export default function () {
<div>
<Canvas f={renderLinear} />
<Canvas f={renderLogarithmic} />
</div>
</div> */}
<Canvas f={renderTransform1} />
<Canvas f={renderTransform2} />
<Canvas f={renderTransform3} />
</Layout>
);
}

78
posts/2023/06/flam3/variations.bak
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@ -1,43 +1,4 @@
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<xform weight="0.564534951145298" color="0" julia="1" coefs="-1.381068 1.381068 -1.381068 -1.381068 0 0" />
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80
posts/2023/06/flam3/variations.flame
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