main.coffee

WORLD_SIZE = [0..31]
BLOCKS = _([1, 1, 33, 34, 50]).reverse()

class Renderer
	constructor: (@ctx, @grid, @terrain) ->
	render: ->
		for x in WORLD_SIZE
			for y in WORLD_SIZE
				@grid[x][y].render @, {x: x, y: y}
		null
	drawBlock: (pos, id) ->
		[sx, sy] = [(id % 16) * 16, Math.floor(id / 16) * 16]
		@ctx.drawImage(@terrain, sx, sy, 16, 16, pos.x * 16, pos.y * 16, 16, 16)

class World
	constructor: (@renderer) ->

class Block
	constructor: (@id) ->
		@damage = 0
	
	render: (renderer, pos) ->
		renderer.drawBlock(pos, @id)
		if @damage > 0
			renderer.drawBlock(pos, 239 + @damage)
	
	click: ->
		if @damage < 10
			@damage += 1

	
terrain = new Image
terrain.src = 'terrain.png'


noise = new SimplexNoise
grid = []
for x in WORLD_SIZE
	grid[x] = []
	for y in WORLD_SIZE
		grid[x][y] = new Block BLOCKS[Math.floor (1 + noise.noise(x / 10, y / 10)) * BLOCKS.length / 2]
#for x in WORLD_SIZE
#	for y in WORLD_SIZE
#		grid[x][y] = new Block 1

document.addEventListener 'DOMContentLoaded', ->
	canvas = document.getElementById 'cv'
	canvas.addEventListener 'click', (evt) ->
		x = Math.floor(evt.offsetX / 16)
		y = Math.floor(evt.offsetY / 16)
		grid[x][y].click()
	ctx = canvas.getContext '2d'
	renderer = new Renderer(ctx, grid, terrain)
	draw = -> 
		renderer.render()
		setTimeout arguments.callee, 100
	setTimeout draw, 100