137 lines
2.7 KiB
JavaScript
137 lines
2.7 KiB
JavaScript
import { ctx } from './canvas'
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import { randomi } from './utils'
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import RES from './resource'
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const offset = 50
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// Objects
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export class GameObject {
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constructor (x, y, w, h, img) {
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this.x = x
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this.y = y
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this.w = w
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this.h = h
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this.img = img
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this.physical = true
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}
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draw () {
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if (!this.physical) return
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if (this.img.indexOf('#') === 0) {
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ctx.fillStyle = this.img
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ctx.fillRect(ctx.oX + this.x, ctx.oY + this.y, this.w, this.h)
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} else {
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ctx.drawImage(RES.loadImage(this.img, true), ctx.oX + this.x, ctx.oY + this.y, this.w, this.h)
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}
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}
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destroy () {
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this.physical = false
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}
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get weight () {
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return 0.1
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}
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}
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export class Rock extends GameObject {
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constructor (x, y, size) {
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let o = size * 20
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super(x, y, o, o, 'static/rock_' + size + '.png')
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this.size = size
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}
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get weight () {
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return Math.min(0.20 * this.size, 1)
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}
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}
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export class Gold extends GameObject {
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constructor (x, y, size) {
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let o = size * 24
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super(x, y, o, o, 'static/gold_' + size + '.png')
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this.size = size
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}
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get weight () {
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return Math.min(0.25 * this.size, 1)
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}
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}
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export class Diamond extends GameObject {
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constructor (x, y) {
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super(x, y, 16, 16, 'static/diamond.png')
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}
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get weight () {
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return 0.11
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}
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}
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export class Lootbag extends GameObject {
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constructor (x, y) {
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super(x, y, 30, 30, 'static/loot.png')
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}
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get weight () {
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return 0.56
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}
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}
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// Level
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export class Level {
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constructor (id, objects) {
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this.id = id
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this.objects = objects || []
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}
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draw () {
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for (let i in this.objects) {
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this.objects[i].draw()
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}
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}
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static create (index, my, width, height) {
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let objects = []
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let rocks = randomi(4, 12)
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let gold = randomi(4, 12)
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let diamond = randomi(0, 2)
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let loot = randomi(0, 2)
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// Add rocks
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for (let r = 0; r < rocks; r++) {
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let x = randomi(offset, width - offset)
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let y = randomi(offset + my, height - (offset + my))
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let size = randomi(1, 4)
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objects.push(new Rock(x, y, size))
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}
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// Add gold
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for (let r = 0; r < gold; r++) {
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let x = randomi(offset, width - offset)
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let y = randomi(offset + my, height - (offset + my))
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let size = randomi(1, 4)
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objects.push(new Gold(x, y, size))
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}
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// Add diamonds
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for (let r = 0; r < diamond; r++) {
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let x = randomi(offset, width - offset)
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let y = randomi(offset + my, height - (offset + my))
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objects.push(new Diamond(x, y))
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}
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// Add loot
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for (let r = 0; r < loot; r++) {
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let x = randomi(offset, width - offset)
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let y = randomi(offset + my, height - (offset + my))
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objects.push(new Lootbag(x, y))
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}
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let n = new Level(index, objects)
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return n
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}
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}
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