63 lines
1.5 KiB
JavaScript
63 lines
1.5 KiB
JavaScript
class Walker {
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constructor(x = 0, y = 0) {
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this.t = createVector(0, 10000)
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this.position = createVector(x, y)
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this.velocity = createVector(0, 0)
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this.accelaration = createVector(0, 0)
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this.topSpeed = 50
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}
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step() {
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this.accelaration = createVector(
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map(noise(this.t.x), 0, 1, -1, 1),
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map(noise(this.t.y), 0, 1, -1, 1)
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).normalize()
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this.accelaration.mult(50)
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const dt = deltaTime/1000
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this.velocity.add(p5.Vector.mult(this.accelaration, dt))
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this.velocity.limit(this.topSpeed)
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this.position.add(p5.Vector.mult(this.velocity, dt))
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this.t.add(createVector(dt, dt))
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if (this.position.x < 0) {
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this.position.x += width
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}
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if (this.position.x > width) {
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this.position.x -= width
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}
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if (this.position.y < 0) {
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this.position.y += height
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}
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if (this.position.y > height) {
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this.position.y -= height
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}
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}
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draw() {
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stroke(0)
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line(
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this.position.x, this.position.y,
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this.position.x + this.accelaration.x,
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this.position.y + this.accelaration.y
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)
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circle(this.position.x, this.position.y, 20)
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}
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}
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let walker
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function setup() {
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createCanvas(640, 240)
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background(255)
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walker = new Walker(width/2, height/2)
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}
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function draw() {
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background(255)
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walker.step()
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walker.draw()
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}
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