50 lines
932 B
JavaScript
50 lines
932 B
JavaScript
let fr = 10;
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let redCircleX = -99;
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let redCircleY = -99;
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let redCircleRadius = 5;
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let redCircleDiameter = redCircleRadius;
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function setup() {
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createCanvas(400, 400);
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background(220);
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frameRate(fr);
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}
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function draw() {
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background(220);
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const white = color(255, 255, 255);
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const black = color(0, 0, 0);
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const red = color(255, 0, 0);
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// NOTE: resume to 500
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for (var i = 0; i < 500; i++) {
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var circleX = random(400);
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var circleY = random(400);
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redCircleRadius = redCircleDiameter / 2;
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stroke(black);
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fill(white);
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circle(circleX, circleY, 5);
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}
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if (redCircleDiameter < 200) {
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stroke(red);
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noFill();
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circle(redCircleX, redCircleY, redCircleDiameter);
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redCircleDiameter += 10;
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} else {
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// red circle enlarge done
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redCircleX = -99;
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redCircley = -99;
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}
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}
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function mousePressed() {
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redCircleX = mouseX;
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redCircleY = mouseY;
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redCircleDiameter = 5;
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}
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