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main.js
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main.js
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import {
vec2,
vec2sub,
vec2normal,
} from './vec2.mjs'
import {
BallColor,
Zuma,
DEFAULT_RADIUS,
brokenLineEasyInit,
quadraticBezierConverter
} from './zuma.mjs'
/** @type {HTMLCanvasElement} */
let canvas = document.body.getElementsByTagName('canvas')[0];
/** @type {CanvasRenderingContext2D} */
let context = canvas.getContext('2d');
let zuma = new Zuma()
zuma.slices.push({balls: [], speed: 0.1})
for (let i = 0; i < 30; i++) {
let randomColor = BallColor.getRandomColor()
let ball = {radius: DEFAULT_RADIUS, color: randomColor}
ball.position = DEFAULT_RADIUS * 2 * -i - DEFAULT_RADIUS + 1300
zuma.slices[0].balls.unshift(ball)
}
let mousepos = vec2(500, 500)
canvas.addEventListener('mousemove', event => {
let mousevec = vec2(event.offsetX, event.offsetY)
mousepos = mousevec
zuma.gun.direction = vec2normal(vec2sub(mousevec, zuma.gun.pos))
})
canvas.addEventListener('click', event => {
zuma.gunShot()
})
let drawLoop = () => {
context.clearRect(0, 0, canvas.width, canvas.height);
zuma.step()
zuma.draw(context)
requestAnimationFrame(drawLoop)
}
zuma.brokenLine = brokenLineEasyInit([
-DEFAULT_RADIUS, 100,
0, 100,
750, 100,
750, 550,
50, 550,
50, 150,
400, 200,
])
zuma.brokenLine = brokenLineEasyInit([
0, 0,
50, 50,
100, 50,
150, 0,
200, 0,
250, 50,
250, 100,
200, 150,
200, 200,
250, 250,
300, 250,
350, 200,
].map( v => v * 2 ))
zuma.brokenLine = quadraticBezierConverter(zuma.brokenLine)
zuma.step()
drawLoop()