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Feat: Add bristles mode to Yellow Scream (2024) project #36

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Feat: Add bristles mode to Yellow Scream (2024) project #36

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1a5ca3b
wip
hannahilea Apr 17, 2024
8e23739
Merge branch 'main' into hr/brushstrokes
hannahilea Oct 11, 2024
a3974e3
fix merge
hannahilea Oct 11, 2024
4bb29fb
Merge branch 'main' into hr/brushstrokes
hannahilea Nov 6, 2024
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33 changes: 27 additions & 6 deletions projects/yellow-scream/sketch.js
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,9 @@ let mic;
let x;
let y;
let yellowColor;
let yellowColor2;
let bristleColors;
let bristleSeed;
let isPainting = false;
let currentbrushWidth;

Expand All @@ -15,6 +18,7 @@ const params = {
screamThreshold: 10,
brushWidth: 80,
maxBrushYJitter: 0.2,
numBristles: 5,
};

// Set up param gui
Expand All @@ -29,6 +33,7 @@ gui.add(params, 'screamThreshold', 0, 300, 5);
gui.add(params, 'brushSpeed', 0.1, 5, 1);
gui.add(params, 'brushWidth', 1, 100, 5);
gui.add(params, 'maxBrushYJitter', 0, .6, .1);
gui.add(params, 'numBristles', 1, 100, 1);

function setup() {
let availableHeight = 1 + windowHeight - document.getElementById("project-body").offsetTop;
Expand All @@ -55,6 +60,7 @@ function setup() {
function draw() {
// https://stackoverflow.com/questions/55026293/google-chrome-javascript-issue-in-getting-user-audio-the-audiocontext-was-not
getAudioContext().resume();
noStroke();

// Get the overall volume (between 0 and 1.0)
let vol = mic.getLevel() * 1000;
Expand All @@ -63,12 +69,19 @@ function draw() {
// Start a stroke
x = random(windowWidth);
y = random(height);
yellowColor = color(255, 204 + random(-10, 100), 0);

bristleColors = [];
let baseGreen = 204 + random(-10, 100);
for (let i=0; i < params.numBristles; i++) {
bristleColors.push(color(255, baseGreen + random(-5, 5), 0));
// yellowColor = color(255, 204 + random(-10, 100), 0);
// yellowColor2 = color(255, 204 + random(-10, 100), 0);
}
console.log(bristleColors);
isPainting = true;
currentbrushWidth = params.brushWidth + random(-1.0, 1.0);
currentbrushWidth = params.brushWidth + random(-1.0, 1.0); // TODO-future: tweak random amount
} else if (vol > params.screamThreshold && isPainting) {
// Continuing a stroke

x -= params.brushSpeed;
y += random(-params.maxBrushYJitter, params.maxBrushYJitter);
} else if (isPainting) {
Expand All @@ -77,12 +90,20 @@ function draw() {
}

if (isPainting) {
fill(yellowColor);
noStroke();
square(x, y, currentbrushWidth, 0);
drawBrushIncrement();
}
}

function drawBrushIncrement() {
let bristleWidth = currentbrushWidth / bristleColors.length;
for (let i=0; i < bristleColors.length; i++) {
fill(bristleColors[i]);
square(x, y + i * bristleWidth, bristleWidth, 0);
}
}

// TODO - Adjust individual bristle speed and/or starting point

function saveMasterpiece() {
let cnv = document.getElementById("p5-canvas");
let date = new Date().toISOString().split("T")[0];
Expand Down