#### How to make a game of PONG in Excel – part #5

In this part of the tutorial, the analysis of the ball movement is continued. The effects of the collision events are introduced in the equations of movement.

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# Excel Unusual

## Science, Engineering, Games in Excel

#
Month: February 2011

#### How to make a game of PONG in Excel – part #5

In this part of the tutorial, the analysis of the ball movement is continued. The effects of the collision events are introduced in the equations of movement.

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#### How to make a game of PONG in Excel – part #4

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#### How to make a game of PONG in Excel – part #3

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#### How to make a game of PONG in Excel – part #2

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#### How to make a game of PONG in Excel – part #1

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#### Casual Introduction to Numerical Methods – spring-mass-damper system model – part#5

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#### Casual Introduction to Numerical Methods – spring-mass-damper system model – part#4

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#### 2D Projectile Motion Tutorial #7

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#### 2D Projectile Motion Tutorial #6

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#### Near-Exponential VBA Conversion

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#### 2D Projectile Motion Tutorial #5

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#### Creating, Sizing, Translating and Rotating 2D Shapes in Excel 2007

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#### Easy Zoom – Chart Axis Scaling Using VBA

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#### 2D Projectile Motion Tutorial #4

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#### 2D Projectile Motion Tutorial #3

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#### 2D Projectile Motion Tutorial #2

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#### Creating a Speedometer in Excel, Part #2 – tutorial

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#### Creating a Speedometer in Excel, Part #1 – tutorial

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#### A Family of Speedometers in Excel

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#### 2D Projectile Motion Tutorial #1

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In this part of the tutorial the analysis of the ball movement is taken farther, to include such effects as bouncing off the walls of the court and collision with the bats.

In this tutorial (which is a continuation of part#2) the kinematics of the ball starts being implemented. Two new macros are being introduced, the “Serve” macro and the “Play” macro.

In this section two bats are created (the opponent’s bat and the player’s bat). The player’s bat movements are controlled by the vertical mouse movement. The geometry of movement, placement and charting of the bats are explained.

This post contains the first part of a series of tutorials demonstrating how to build a lively game of Pong in Excel. The section deals with the bat movement VBA macro, and plotting the “court” or “tennis-table” on a 2D scatter chart.

In this tutorial, most of the calculations for the numerical simulation a SMD (spring-mas-damper) system will be consolidated into a single formula, the coordinate formula. In this case, in order to calculate the coordinate at the end of a any time step, we will need just the coordinates from the previous two time steps and of course the input parameters (constants). These input parameters are: mass, damping ratio, spring constant and time…

This tutorial explains the principles to generating animation for the spring-mass-damper system analyzed in the previous presentations.

In the this tutorial, after we got most of the trajectory calculation concentrated in just two columns, we will write a custom VBA function (dual output) to replace the spreadsheet computations used. This process of starting with very simple models, then refining the calculations and then learning how to write custom functions for those calculations will be extremely useful later for developing more complex models.

This tutorial simplifies the previous model and manages to describe the (x,y) flight coordinates using just two formulas placed on columns D and E. A custom VBA trajectory function will be introduced in the next section which preserves the effects of gravity and aerodynamic drag.

The macro in this tutorial creates a near exponential variable conversion to be used for very large dynamic range input data entry . If for instance, we have to adjust a parameter from 1 to 1 million we can either make a spin button which can go from 1 to 1 million in unity steps (which would take for ever), or implement an exponential scheme. We would like an exponential series of powers of…

This is the next in a series of projectile motion tutorials for creating 2D trajectory models using numerical analysis of projectile dynamics (including aerodynamic drag). The trajectory formulas were derived in the previous tutorial. This post describes the Excel implementation (spreadsheet formulas, VBA code, buttons and charts).

Most of the models on this blog are designed for Excel 2003 or earlier versions. Sometimes however, Excel 2007 or 2010 are the only versions available even though they might be far slower when running these models. This presentation is an introduction to Excel 2007 and it was suggested to me by one of my readers.

In certain models we need to be able to change the scale of the chart axes function of the result of a simulation. Excel charts do have auto-scaling as a default option but sometimes the scaling values we get are not what we need. Another reason against using auto-scaling is that during the time the model runs, the scale self-adjusts and it gives an ever changing, distorted view of the results….

This tutorial derives the formulas of a projectile model taking into account the aerodynamic drag. A finite differences numerical method is used. Though fairly easy to apply and understand, this type of methods can solve much more complex problems than the high-school type approach shown in the previous tutorials. An Excel model will be implemented in the next section.

Now that we have a simple animated projectile motion (previous tutorial) let’s try to add on the chart the three instantaneous speed vectors associated with the projectile. These speed vectors are: the horizontal speed, vertical speed and the total speed vector. The model works in all Excel versions but in 2007 it’s painfully slow.

This part of the tutorial shows you how to animate the model created in the first part. Since it is addressed to beginners, this part of the tutorial will show you in detail how to create buttons and the associated macros for the input data interface and it will also show you how to animate the flight of the projectile and explain the VBA macro behind the animation.

The previous tutorial (first half) explained how to download a speedometer picture from www.flickr.com and how to alter it (delete the needle) using a freeware called Gimp (similar to Photoshop). – The model replaces the deleted needle from the picture with a moving one created from a chart line. – This second half of the tutorial explains the geometry, trigonometry and VBA code used to build a new rotating speedometer…

This is the first half of a tutorial which shows how to create a speedometer in Excel. The model is essentially a 2D scatter chart having as background the picture of a speedometer dial downloaded from www.flickr.com. Before using the photograph you need to erase the arm of the speedometer from the picture using Photoshop or other photo editing software. In the model I replaced the deleted arm with a moving arm created from…

Hi guys, by popular demand, this is a file containing five different animated speedometers and a tachometer (rpm-meter). I can recognize two models: a Toyota Camry and a Ford Crown Victoria. They work great. The rest I am not sure what they are, I would appreciate if you tell me. Just leave a comment. The model works in all versions of Excel. Cheers, George

This part of the tutorial will show you how to create the simplest possible projectile motion model using standard kinematic formulas from the first year of high school. The variable parameters of the model will be: initial height, initial speed and initial angle and time step. “g” – the gravitational constant will be set at 9.81 m/s^2. This model is a static one and it will be animated in the following…