272d0b9b08
+ Nice style
140 lines
3.4 KiB
JavaScript
140 lines
3.4 KiB
JavaScript
const perlinScale = 3;
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tileSize = 24;
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const gridSize = [18, 18];
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var cash = 99;
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var world = Array.from(Array(gridSize[0]), () => new Array(gridSize[1]));
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for (x = 0; x < gridSize[0]; x++){
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for (y = 0; y < gridSize[1]; y++){
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world[x][y] = {type: 0, structure: 0}
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}
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}
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window.onload = function () {
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// GET THE IMAGE.
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var city = new Image();
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city.src = 'city.png';
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var rock = new Image();
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rock.src = 'rock.png';
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var background = new Image();
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var grass = new Image();
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grass.src = 'grass.png'
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var sea = new Image();
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sea.src = 'sea.png'
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var hills = new Image();
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hills.src = 'hills.png'
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tiles = [grass,hills,sea,rock,city];
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background.src = 'background.png';
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// WAIT TILL IMAGE IS LOADED.
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background.onload = function () {
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fill_canvas(); // FILL THE CANVAS WITH THE IMAGE.
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}
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function fill_canvas() {
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// CREATE CANVAS CONTEXT.
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var canvas = document.getElementById('canvas');
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canvas.addEventListener("mousedown", function(e)
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{
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getMousePosition(canvas, e);
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});
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canvas.width = tileSize*gridSize[0];
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canvas.height = tileSize*gridSize[1];
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var ctx = canvas.getContext('2d');
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generateWorld()
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render(ctx)
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updateUI();
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}
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}
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function getBlockDimensions(){
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return [canvas.width/24, canvas.height/24]
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}
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function randomNumber(min, max) {
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return Math.floor(Math.random() * (max - min) + min);
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}
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function render(ctx) { // DRAW THE IMAGE TO THE CANVAS.
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let x, y = 0
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for(x = 0; x < gridSize[0]; x++){
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for(y = 0; y < gridSize[1]; y++){
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const xu = x*tileSize;
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const yu = y*tileSize;
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if (world[x][y].type == 0) {
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ctx.drawImage(tiles[0], xu,yu)
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} else if (world[x][y].type == 1) {
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ctx.drawImage(tiles[2], xu,yu)
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}
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if (world[x][y].type == 2) {
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ctx.drawImage(tiles[1], xu,yu)
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}
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if (world[x][y].structure == 1) {
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ctx.drawImage(tiles[3], xu,yu)
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}
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if (world[x][y].structure == 2) {
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ctx.drawImage(tiles[4], xu,yu)
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}
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}
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}
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console.log("image Rendered")
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}
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function updateUI(){
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document.getElementById("cash").innerHTML = ("$" + cash);
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}
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function generateWorld(){
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let x, y = 0
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noise.seed(Math.random())
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for(x = 0; x < gridSize[0]; x++){
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for(y = 0; y < gridSize[1]; y++){
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var value = (noise.perlin2(x/perlinScale, y/perlinScale))*10;
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if (value >= -3) {
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world[x][y].type = 0
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} else if (value < -3) {
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world[x][y].type = 1
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}
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if (value > 1.4) {
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world[x][y].type = 2
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}
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}
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}
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for (i = 0; i < gridSize[0]*gridSize[1]/15; i){
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x = randomNumber(0,gridSize[0]);
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y = randomNumber(0,gridSize[1]);
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if (world[x][y].type != 1) {
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i++;
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world[x][y].structure = 1
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}
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}
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}
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function getMousePosition(canvas, event) {
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// Get mouse position on canvas
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const rect = canvas.getBoundingClientRect();
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const x = event.clientX - rect.left;
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const y = event.clientY - rect.top;
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const xu = Math.floor(x/tileSize)
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const yu = Math.floor(y/tileSize)
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// Convert canvas coordinates to usable coordinates within the coordinate system
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console.log("Click!")
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const tile = world[xu][yu];
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if (tile.type != 1 && tile.structure != 1 && cash > 10) {
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tile.structure = 2
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cash = cash - 10;
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updateUI();
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render(document.getElementById('canvas').getContext('2d'))
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}
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}
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