diff --git a/Lsystem.js b/Lsystem.js
new file mode 100644
index 0000000..a7642d2
--- /dev/null
+++ b/Lsystem.js
@@ -0,0 +1,60 @@
+class LSystem {
+
+constructor(axiom, rule) {
+ this.axiom = axiom;
+ this.rule = rule;
+}
+buildSequence(depth) {
+ let result = this.axiom;
+ for (let i = 0; i < depth; i++) {
+ let sequence1 = "";
+ for (let j = 0; j < result.length; j++) {
+ if (this.rule[result[j]] === undefined)
+ sequence1 += result[j];
+ else
+ sequence1 += this.rule[result[j]];
+ }
+ result = sequence1;
+ }
+ return result;
+}
+}
+
+const snowflacke = new LSystem("[F]+[F]+[F]+[F]+[F]+[F]", {"F" : "F[+FF][-FF]FF[+F][-F]FF"});
+const bush = new LSystem("F", {"F" : "-F+F+[+F-F-]-[-F+F+F]"});
+function drawFractal(fractal, context, startPos) {
+context.beginPath();
+if(fractal == "bush") {
+ drawFigure(startPos, context, {system : bush, depth : 5, length : 10, angle : Math.PI/8})
+}
+else{
+ drawFigure(startPos, context, {system : snowflacke, depth : 3, length : 3, angle : Math.PI/3})
+}
+context.stroke();
+}
+
+function drawFigure(position, context, figure) {
+ const sequence = figure.system.buildSequence(figure.depth);
+ const actions = buidRulesRunner(context, position, figure.length, figure.angle);
+ for (let i = 0; i < sequence.length; i++) {
+ if (actions[sequence[i]] != undefined)
+ actions[sequence[i]]();
+ }
+}
+
+function buidRulesRunner(drawingContext, startPos, length, angle) {
+let position = startPos;
+let stack = [];
+let alphabet = {};
+alphabet['F'] = () => {
+ drawingContext.moveTo(position.x, position.y);
+ position.x += Math.cos(position.angle) * length;
+ position.y += Math.sin(position.angle) * length;
+ drawingContext.lineTo(position.x, position.y);
+}
+alphabet['+'] = () => position.angle += angle;
+alphabet['-'] = () => position.angle -= angle;
+alphabet['['] = () => stack.push({x: position.x, y:position.y, angle: position.angle });
+alphabet[']'] = () => position = stack.pop();
+return alphabet;
+}
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diff --git a/index.html b/index.html
index 39a9d04..9c1486d 100644
--- a/index.html
+++ b/index.html
@@ -3,108 +3,17 @@
-
+
-
-
-
-
+
\ No newline at end of file