## How Flappy Bird Was Made

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### A Journey back in time..

In 2013 a game was released that in the following year would take the world by storm. A young Vietnamese programmer named Dong Nguyen released a game that he would later remove from the App store from guilt of overuse and the addictive nature of the game. That game was Fla...

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## So what is a force?

Simply:

`A vector that causes an object with mass to accelerate.`

All objects with mass experience force. Some common forces: gravity, tension, spring, buoyancy, air resistance.

These are things we want to model within our code to create a dynamic simulation of the real wor...

## Acceleration

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This year has really got off to a flying start. I'm super busy at work and school and I have been squeezing in non work related learning when I can. I have had to do more database work at my day job so I have been wrapping my head around that which has stunted my progress with the Nature of Code.

T...

## More Vectors

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As expected my schedule is only getting busier, however I have been squeezing in some learning on my lunch breaks. I learnt a little more about vectors and vector math this week so I'm sharing my notes.

Last post I looked at add a vectors together to vectors, let's remind ourselves how that works...

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## What is a vector?

In the Euclidean sense a vector is something that has magnitude and direction.

The size of the vector is the magnitude and the direction is the angle in relation to an x axis running adjacent to the vector.

A vector doesn't necessarily have to be expressed as a magnitude and...

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## Making the random numbers seem more organic.

But there is another mathematical tool that we have at our disposal to make some nice sets of numbers. Enter:

## Perlin Noise

Perlin Noise allows us to make smooth randomness, It was originally developed to create textures in 3d graphics. Let's say we...

## Custom Distribution : Controlling the Random

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Last time I looked at how Normal Distrobution can make make random numbers consistently closer to the mean.

Let's customize the distribution a little.

Back to cacti, say we wanted to model a mature group of cacti that are all very tall.

We might create a function like this:

We would just p...

## Normal Distribution : Taming the Random

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In post one I looked a random walker, a small dot that moved across the screen based on a number between 0 - 3.

Although It worked, It didn't move in a way that seemed natural. It was, well, too random.

Wouldn't it be great to generate sets of numbers that seem more naturally distributed.

W...

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## What is Probability?

Probability is the measure of the likelihood that an event will occur. It is a way to evaluate a given set of scenarios and decide how often will event x happen.

Lets look at an example in code:

### Random Walker

See the Pen Random Walker by Adam Harpur (@harps116) on C...