56 lines
1.0 KiB
JavaScript
56 lines
1.0 KiB
JavaScript
import {
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World,
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Color,
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Pico8,
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Group,
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Circle,
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Random,
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Vector2,
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degToRad,
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} from "../artworld/index.js";
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let world = new World("mainCanvas");
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window.world = world;
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class Ball extends Circle {
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constructor() {
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super(world);
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this.speed = new Vector2(0, Random.between(9, 15));
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}
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update() {
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this.move(this.speed);
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if (this.worldPos.y > world.height + 20) {
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this.y(-20);
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}
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}
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}
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class GravityBall extends Circle {
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constructor() {
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super(world);
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this.accel = new Vector2(0, 0.5);
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this.speed = Vector2.random(0, 5);
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}
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update() {
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this.speed = this.speed.add(this.accel);
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this.move(this.speed);
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if (this.worldPos.y > world.height - 10) {
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this.speed = this.speed.scale(-0.98); // bounce w/ dampening
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this.y(world.height - 10.01);
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}
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}
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}
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for (let i = 0; i < 21; i++) {
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new Ball()
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.pos(new Vector2(40 * i, 0))
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.radius(10)
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.fill(Pico8.BLUE);
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new GravityBall()
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.pos(new Vector2(20 + 40 * i, 0))
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.radius(10)
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.fill(Pico8.PURPLE);
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}
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world.loopStep();
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