98 lines
2.3 KiB
JavaScript
98 lines
2.3 KiB
JavaScript
var world = Array.from(Array(24), () => new Array(24));
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for (x = 0; x < 24; x++){
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for (y = 0; y < 24; 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 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];
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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.width = 576;
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canvas.height = 576;
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var ctx = canvas.getContext('2d');
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generateWorld()
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ctx.drawImage(background, 0, 0); // DRAW THE IMAGE TO THE CANVAS.
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let x, y = 0
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for(x = 0; x < getBlockDimensions()[0]; x++){
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for(y = 0; y < getBlockDimensions()[1]; y++){
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if (world[x][y].type == 0) {
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ctx.drawImage(tiles[0], x*24,y*24)
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} else if (world[x][y].type == 1) {
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ctx.drawImage(tiles[2], x*24,y*24)
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}
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if (world[x][y].type == 2) {
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ctx.drawImage(tiles[1], x*24,y*24)
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}
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if (world[x][y].structure == 1) {
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ctx.drawImage(tiles[3], x*24,y*24)
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}
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}
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}
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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 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 < getBlockDimensions()[0]; x++){
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for(y = 0; y < getBlockDimensions()[1]; y++){
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var value = (noise.perlin2(x/3.0, y/3.0))*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 < 20; i){
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x = randomNumber(0,24);
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y = randomNumber(0,24);
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if (world[x][y].type == 0) {
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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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console.log(world)
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}
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