DrawableBlock.js -- taken from https://github.com/AlphaGit/random-javascript/blob/90e6540100631e1a3ae590c3bde4a21b74f7abd9/arkanoid-canvas/arkanoid.js

DrawableBlock.js

// DrawableBlock: DrawableEntityBase
DrawableBlock.prototype = Object.create(DrawableEntityBase.prototype);
DrawableBlock.prototype.constructor = DrawableEntityBase;
function DrawableBlock(drawingContext, color, posX, posY, height, width) {
    DrawableEntityBase.call(this, drawingContext, color);
    var self = this;
    
    self.posX = posX;
    self.posY = posY;
    self.height = height;
    self.width = width;
    
    self.draw = function() {
        self.ctx.fillStyle = color;
        self.ctx.fillRect(self.posX, self.posY, self.height, self.width);
    };
    
    return {
        draw: self.draw
    };
}