Built (most) of a bicycle. Still need to add the handlebars though.

.tern-project

@@ -0,0 +1,6 @@
+{
+  "ecmaVersion": 6,
+  "libs": [
+    "browser"
+  ]
+}

Bicycle.js

@@ -0,0 +1,124 @@
+"use strict";
+
+class Bicycle
+{
+	constructor(inPos)
+	{
+		this.pos = inPos;
+		
+		this.wheelLeft = new Wheel(new Vector(-47, 20), 30, 200);
+		this.wheelRight = new Wheel(new Vector(47, 20), 30, 200);
+		
+		this.mainColour = "#4f32d2";
+		this.seatColour = "#312b50";
+		this.seatSize = 10;
+	}
+	
+	update(dt)
+	{
+		this.wheelLeft.update(dt);
+		this.wheelRight.update(dt);
+	}
+	
+	render(context)
+	{
+		context.save();
+		context.translate(this.pos.x, this.pos.y);
+		
+		this.wheelLeft.render(context);
+		this.wheelRight.render(context);
+		
+		// Bicycle frame
+		var pedalPosition = this.wheelRight.pos.clone().subtract(new Vector(35, 0)),
+			seatPosition = pedalPosition.clone().add(new Vector(15, -40));
+		context.beginPath();
+		context.moveTo(this.wheelLeft.pos.x, this.wheelLeft.pos.y);
+		context.lineTo(this.wheelLeft.pos.x + 20, this.wheelLeft.pos.y - 52);
+		context.moveTo(this.wheelLeft.pos.x + 13, this.wheelLeft.pos.y - 35);
+		context.lineTo(pedalPosition.x, pedalPosition.y);
+		context.lineTo(seatPosition.x, seatPosition.y);
+		context.moveTo(pedalPosition.x, pedalPosition.y);
+		context.lineTo(this.wheelRight.pos.x, this.wheelRight.pos.y);
+		context.lineTo(seatPosition.x - 4, seatPosition.y + 10);
+		context.lineTo(this.wheelLeft.pos.x + 14, this.wheelLeft.pos.y - 40);
+		
+		context.lineWidth = 5;
+		context.strokeStyle = this.mainColour;
+		context.stroke();
+		
+		this.renderSeat(context, seatPosition);
+		
+		context.restore();
+	}
+	
+	renderSeat(context, pos)
+	{
+		context.save();
+		context.translate(pos.x - this.seatSize * 0.3, pos.y);
+		context.beginPath();
+		context.moveTo(this.seatSize, -this.seatSize / 2.4);
+		context.lineTo(-this.seatSize * 1.5, 0);
+		context.lineTo(this.seatSize * 1.3, this.seatSize / 2.3);
+		context.closePath();
+		
+		context.fillStyle = this.seatColour;
+		context.fill();
+		
+		context.restore();
+	}
+}
+
+class Wheel
+{
+	constructor(inPos, inRadius, inSpeed)
+	{
+		this.pos = inPos;
+		this.radius = inRadius;
+		this.speed = inSpeed / (Math.PI * 18);
+		
+		this.rotation = 0;
+		
+		this.rimColour = "#1f1e1e";
+		this.spokeColour = "rgb(198, 176, 172)";
+		this.spokeCount = 12;
+		
+		this.spokeSpacing = (Math.PI*2) / this.spokeCount;
+	}
+	
+	update(dt)
+	{
+		this.rotation -= this.speed * dt;
+	}
+	
+	render(context)
+	{
+		context.save();
+		context.translate(this.pos.x, this.pos.y);
+		context.rotate(this.rotation);
+		
+		context.beginPath();
+		for (let r = 0; r < Math.PI; r += this.spokeSpacing)
+		{
+			context.moveTo(this.radius * Math.cos(r), this.radius * Math.sin(r));
+			context.lineTo(this.radius * Math.cos(r + Math.PI), this.radius * Math.sin(r + Math.PI));
+		}
+		
+		context.lineWidth = 1;
+		context.strokeStyle = this.spokeColour;
+		context.stroke();
+		
+		context.beginPath();
+		context.ellipse(0, 0, this.radius * 0.95, this.radius * 0.95, 0, 0, Math.PI * 2, false);
+		context.lineWidth = 3;
+		context.stroke();
+		
+		context.beginPath();
+		context.ellipse(0, 0, this.radius, this.radius, 0, 0, Math.PI * 2, false);
+		
+		context.strokeStyle = this.rimColour;
+		context.lineWidth = 4;
+		context.stroke();
+		
+		context.restore();
+	}
+}

Road.js

@@ -28,8 +28,8 @@ class Road
 		context.fillRect(0, 0, this.size.x, this.size.y);
 		
 		context.beginPath();
-		context.moveTo(0, this.size.y / 2.1);
-		context.lineTo(this.size.x, this.size.y / 2.1);
+		context.moveTo(0, this.size.y / 2.2);
+		context.lineTo(this.size.x, this.size.y / 2.2);
 		
 		context.lineWidth = 5;
 		context.setLineDash([35, 20]);

index.html

@@ -19,5 +19,6 @@
 		<script src="./renderer.js" charset="utf-8"></script>
 		<script src="./HillSet.js" charset="utf-8"></script>
 		<script src="./Road.js" charset="utf-8"></script>
+		<script src="./Bicycle.js" charset="utf-8"></script>
 	</head>
 </html>

renderer.js

@@ -30,6 +30,9 @@ class Renderer
 		this.road = new Road(this.canvas, new Vector(0, this.canvas.height * 0.9));
 		this.visibleObjects.push(this.road);
 		
+		this.bicycle = new Bicycle(new Vector(this.canvas.width / 2, this.canvas.height * 0.9));
+		this.visibleObjects.push(this.bicycle);
+		
 		for (let vobj of this.visibleObjects)
 			vobj.speed = this.speed;
 	}