KnilchWeb/main.ts
leopold 18805dfaac Implemented the Click Handeling
Implemented Clicks effecting neigbours
2020-01-09 16:11:08 +01:00

133 lines
No EOL
4.5 KiB
TypeScript

function initGrid(gridsize: number): boolean[][] {
var grid: Array<Array<boolean>> = new Array(gridsize);
for (var i = 0; i < gridsize; i++) {
grid[i] = new Array(gridsize);
for(var k = 0; k < gridsize; k++) {
grid[i][k] = false
}
}
return grid
}
//ctx.rect(0,0,c.width/gridsize, c.height/gridsize);
function getCursorPositionOnCanvas(canvas: HTMLCanvasElement, event: any) {
const rect = canvas.getBoundingClientRect();
const x = event.clientX - rect.left;
const y = event.clientY - rect.top;
return { x, y };
}
function drawPointOnCanvas(
canvas: HTMLCanvasElement,
event: any,
ctx: CanvasRenderingContext2D
) {
var pos = getCursorPositionOnCanvas(canvas, event);
ctx.moveTo(pos.x, pos.y);
ctx.lineTo(pos.x + 1, pos.y + 1);
ctx.stroke();
}
function resizeCanvas(canvas: HTMLCanvasElement) {
canvas.width = (window.innerHeight / 100) * 90;
canvas.height = (window.innerHeight / 100) * 90;
}
function drawGrid(gridsize: number, grid: boolean[][], c: HTMLCanvasElement, ctx: CanvasRenderingContext2D){
var knilchon : HTMLImageElement = new Image()
knilchon.src = 'knilch.png'
knilchon.onload = (e: Event) => {
var knilchoff : HTMLImageElement = new Image()
knilchoff.src = 'knilchoff.png'
knilchoff.onload = (e: Event) => {
for (var i: number = 0; i <= gridsize; i++) {
for (var k: number = 0; k <= gridsize; k++) {
if (grid[i][k] == true) {
ctx.fillStyle = "#50C88C"
ctx.fillRect(
(i * c.width) / gridsize,
(k * c.height) / gridsize,
c.width / gridsize,
c.height / gridsize
);
ctx.drawImage(knilchon,(i * c.width) / gridsize,(k * c.height) / gridsize,c.width / gridsize,c.height / gridsize);
} else {
ctx.fillStyle = "#C85050"
ctx.fillRect(
(i * c.width) / gridsize,
(k * c.height) / gridsize,
c.width / gridsize,
c.height / gridsize
);
ctx.drawImage(knilchoff,(i * c.width) / gridsize,(k * c.height) / gridsize,c.width / gridsize,c.height / gridsize);
}
}
}
ctx.stroke();
}
}
}
function populateGrid (grid: boolean[][],gridsize):boolean[][]{
for (var i: number = 0; i < gridsize; i++) {
for (var k: number = 0; k < gridsize; k++) {
if (Math.random() > 0.5) {
grid[i][k] = true
} else {
grid[i][k] = false
}
}
}
return grid
}
function togglebool(bool:boolean):boolean {
if (bool == true) {
return false
}
return true
}
function handelClicks(c: HTMLCanvasElement,e: Event,gridsize: number,grid: boolean[][],ctx: CanvasRenderingContext2D){
var pos = getCursorPositionOnCanvas(c,e)
for (var i: number = 0; i < gridsize; i++) {
for (var k: number = 0; k < gridsize; k++) {
if (pos.x > i * c.width/gridsize && pos.x < i* c.width/gridsize + c.width/gridsize){
if (pos.y > k * c.height/gridsize && pos.y < k* c.height/gridsize + c.width/gridsize){
grid[i][k] = togglebool(grid[i][k])
if (i != 0) {
grid[i-1][k] = togglebool(grid[i-1][k])
}
if (k != 0) {
grid[i][k-1] = togglebool(grid[i][k-1])
}
if (i != gridsize-1) {
grid[i+1][k] = togglebool(grid[i+1][k])
}
if (k != gridsize-1) {
grid[i][k+1] = togglebool(grid[i][k+1])
}
}
}
}
}
drawGrid(gridsize,grid,c,ctx)
}
function bodyLoad() {
var gridsize: number = 3;
var grid : boolean[][] = initGrid(gridsize)
grid = populateGrid(grid, gridsize)
var c: HTMLCanvasElement = document.getElementById(
"Game"
) as HTMLCanvasElement;
resizeCanvas(c);
c.addEventListener("mousedown", function(e) {
handelClicks(c, e,gridsize,grid, ctx);
});
var ctx = c.getContext("2d");
ctx.moveTo(0, 0);
drawGrid(gridsize,grid,c,ctx)
}