Turtle graphics

turtle.js

@@ -0,0 +1,116 @@
+// worked on it on Monday Nov 19, 2018 at 930pm
+class Turtle {
+   constructor (x, y) {
+        this.x = x;
+        this.y = y;
+        this.face = 'east';
+        this.coordinates = [this.x, this.y];
+   };
+
+   allPoints() {
+         return this.coordinates
+   };
+
+   forward(steps) {
+     if (this.face === 'east') {
+          for (let i = 0; i < steps; i++) {
+          this.x += 1;
+          this.coordinates.push([this.x, this.y])
+          };
+     } else if (this.face === 'south') {
+          for (let i = 0; i < steps; i++) {
+          this.y += 1;   
+          this.coordinates.push([this.x, this.y])
+          };
+     } else if (this.face === 'west') {
+          for (let i = 0; i < steps; i++) {
+          this.x += -1;
+          this.coordinates.push([this.x, this.y])
+          };
+     } else if (this.face === 'north') {
+          for (let i = 0; i < steps; i++) {
+          this.y += -1
+          this.coordinates.push([this.x, this.y])
+          };
+     };
+     return this; 
+   };
+
+   right() {
+        if (this.face === 'east') {
+             this.face = 'south'
+        } else if (this.face === 'south') {
+             this.face = 'west'
+        } else if (this.face === 'west') {
+             this.face = 'north'
+        } else if (this.face === 'north') {
+             this.face = 'east'
+        };
+      return this;
+     };
+
+   left() {
+         if (this.face === 'east') {
+              this.face = 'north'
+         } else if (this.face === 'north') {
+              this.face = 'west'
+         } else if (this.face === 'west') {
+              this.face = 'south'
+         } else if (this.face === 'south') {
+              this.face = 'east'
+         };
+     return this;
+    }; 
+
+   print() {
+     let allCoordinates = this.coordinates;
+     let maxCoordinates = [];
+     let board = [];
+     let boardString = '';
+
+     findMax (coordinates) {
+       let biggestX = 0
+       let biggestY = 0
+       for (let i = 0; i < coordinates.length; i++){
+          if(coordinates[i][0] > biggestX){
+            biggestX = coordinates[i][0]
+          }
+         };
+       for (let j = 0; j < x.length; j++){
+          if(x[j][1] > biggestY){
+            biggestY = x[j][1]
+          };
+         };
+        maxCoordinates.push([biggestX, biggestY])
+     };
+      findMax(allCoordinates)
+
+     makeBoard (width, height) {
+       for (let i = 0; i<=height; i++){
+         for (let j = 0; j<=width; j++){
+          board.push([j, i])
+         };
+       };
+     };
+      makeBoard (maxCoordinates[0][0], maxCoordinates[0][1])
+
+     printBoard (board, width) {
+          for(let boardPoint = 0; boardPoint < board.length; boardPoint++ ){
+          let currentPoint = board[boardPoint];
+          let isTurtleStep = allCoordinates.find((step) => {
+              return (step[0] === currentPoint[0]) && (step[1] === currentPoint[1])
+            })
+            if (currentPoint[0] === width){  // width - 1?
+              boardString += isTurtleStep ? '* \n' : '0 \n';
+            } else {
+              boardString += isTurtleStep ? '*' : '0';
+            };
+          } ;
+        };
+        printBoard(board, maxCoordinates[0][0]) 
+        console.log(boardString) 
+     };
+};
+
+let Sonic = new Turtle (0,0)
+Sonic.forward(5).right().forward(5).right().forward(5).right().forward(5).print()