VerdenAlgo/index.html at main · HorvathStefanDaniel/VerdenAlgo · GitHub

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<!DOCTYPE html>
<html>

<body>
	<canvas id="myCanvas2" width="1920" height="1080" style="border:3px solid #d3d3d3;">
        Your browser does not support the HTML5 canvas tag.</canvas>

    <canvas id="myCanvas" width="1920" height="1080" style="border:3px solid #d3d3d3;">
        Your browser does not support the HTML5 canvas tag.</canvas>


	<script src="https://unpkg.com/js-logger/src/logger.min.js"></script>

    <script>
		Logger.useDefaults();

        var c = document.getElementById("myCanvas");
        var ctx = c.getContext("2d");

		var width = c.width;	//just made it take these values directly from the canvas
		var height = c.height;

		var sizey = height;		//maximum size, acts kind of like the canvas
		var sizex = width;
		var sploches = 5000;
		var upperLimitRandomTrees = 600; //default 5, multiplicative. This is the thing that actually fills up the array.

        var arr = new Array(sizex);            // create an empty array of length `M`
        for (var i = 0; i < sizex; i++) {
            arr[i] = new Array(sizey);        // make each element an array
        }


        const getRandomColor = () => {
            const randomColor = Math.floor(Math.random() * 16777215).toString(16);
            return "#" + randomColor;
        }

        function getDistance(xA, yA, xB, yB) {
            var xDiff = xA - xB;
            var yDiff = yA - yB;

            return Math.sqrt(xDiff * xDiff + yDiff * yDiff);
        }

        //var topMostCoordinates;
		/*
        var treesToPlant;
        for (var i = 0; i < sploches; i++) {			//this is going to make a new sploch, generating a new random colour and then puttin those pixels in the arr
            ctx.fillStyle = getRandomColor();


            var availablePlaces = [];


            for (var x = 0; x < arr.length; x++) {
                for (var y = 0; y < arr.length; y++) {
                    if (!arr[x][y]) {
                            availablePlaces.push([x, y]);
                }
            }
        }


            availablePlaces.sort(function (a, b) { return getDistance(a[0], a[1], 0, 0) - getDistance(b[0], b[1], 0, 0) });
            var topMostLeft = availablePlaces[0];


            availablePlaces.sort(function (a, b) { return getDistance(a[0], a[1], topMostLeft[0], topMostLeft[1]) - getDistance(b[0], b[1], topMostLeft[0], topMostLeft[1]) });


            var treesToPlant = Math.ceil(Math.random() * upperLimitRandomTrees) + 50;
            for (var trees = 0; trees < treesToPlant; trees++) {
                var coordinates = availablePlaces[0];
                availablePlaces.shift();
                ctx.fillRect(coordinates[0], coordinates[1], 1, 1);
                arr[coordinates[0]][coordinates[1]] = true;
            }
        }


                //for(var row )
				*/

		var c2 = document.getElementById("myCanvas2");
        var ctx2 = c2.getContext("2d");

		var arr2 = new Array(sizex);
			for (var i = 0; i < sizex; i++) {
				arr2[i] = new Array(sizey);        // make each element an array
        }

		for(a = 0;a<sizex; a++)
			for(b=0;b<sizey; b++)
				arr2[a][b] = false;

		//will use the same variables as the other canvas ****************************************************************************************************** new canvas code starts here


		var myX = Math.ceil(sizex/2);
		var myY = Math.ceil(sizey/2);

		const getRandomColor2 = () => {
            const randomColor = Math.floor(Math.random() * 16777215).toString(16);
            return "#" + randomColor;
        }

		//ctx2.fillStyle = getRandomColor2();

		//ctx2.fillRect(midP[0],midP[1], 1, 1);

		for (var i = 0; i < sploches; i++) {			//this is going to make a new sploch, generating a new random colour and then puttin those pixels in the arr
				ctx2.fillStyle = getRandomColor();

				var treesToPlant = Math.ceil(Math.random() * upperLimitRandomTrees) + 10;	//get random nr for trees to plant

				var toMove = 0;

				//here needs to find the postion closest to the middle that has value = false and set that to myX and myY

				if(toMove == 0){
					arr2[myX][myY] = true;
					ctx2.fillRect(myX,myY,1,1);
					toMove++;
					treesToPlant--;
				}

				do{


				if(toMove % 2 == 1){
					for(var tempMove = 0; tempMove< toMove; tempMove++)
					{				//move right
					if(treesToPlant > 0)			// These ifs need an else statement for bouncing back off the edges correctly
						if(myX+1<width)				// These ifs need an else statement for bouncing back off the edges correctly
							if(!arr2[myX+1][myY])
							{
							myX++;			//need checks for out of bounds and for overlapping existing trees

							arr2[myX][myY] = true;
							ctx2.fillRect(myX,myY,1,1);

							treesToPlant--;	//gonna need an if that checks if there are actually any trees left to plant
							}
							else{
							myX++;
							}
					}


					for(var tempMove = 0; tempMove< toMove; tempMove++)
					{				//move down
						if(treesToPlant > 0)
							if(myY+1<width)
								if(!arr2[myX][myY+1])
								{
								myY++;			//need checks for out of bounds and for overlapping existing trees

								arr2[myX][myY] = true;
								ctx2.fillRect(myX,myY,1,1);

								treesToPlant--;	//gonna need an if that checks if there are actually any trees left to plant
								}
								else{
								myY++;
								}
					}
				}


				if(toMove % 2 == 0){


					for(var tempMove = 0; tempMove< toMove; tempMove++)
					{				//move left
					if(treesToPlant > 0)
						if(myX-1>0)
							if(!arr2[myX-1][myY])
							{
							myX--;			//need checks for out of bounds and for overlapping existing trees

							arr2[myX][myY] = true;
							ctx2.fillRect(myX,myY,1,1);

							treesToPlant--;	//gonna need an if that checks if there are actually any trees left to plant
							}
							else{
								myX--;
							}
					}


					for(var tempMove = 0; tempMove< toMove; tempMove++)
					{				//move up
					if(treesToPlant > 0)
						if(myY-1>0)
							if(!arr2[myX][myY-1])
							{
							myY--;			//need checks for out of bounds and for overlapping existing trees

							arr2[myX][myY] = true;
							ctx2.fillRect(myX,myY,1,1);

							treesToPlant--;	//gonna need an if that checks if there are actually any trees left to plant
							}
							else{
								myY--;
							}
					}


				}


				treesToPlant--;
				toMove++;

				}while(treesToPlant>0)
			}


    </script>

</body>

</html>