Scripting Flash apps: design the language

cause effect essay 123helpme Finally I had a bit of time to go back to the discussion I started about a month ago: dissertation services uk john caruso scripting your flash applications. I spent a bit of time thinking which is the best approach to start discussing this kind of topic; it is not as easy as it seems because the risk is to fall into a too complex discussion that a lot of people won’t benefit from.

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research topics for psychology paper So I decided to start with a simple example that is somehow related to what I’m doing in these months; more examples will come and I’ll analyze different aspects of scripting trying always to keep the discussion as simple as possible even if this may bring me to do avoid some hard to discuss approaches or optimizations.

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buy cialis in ireland Our first scripting language will be an extremely simple language that will be used to website for essays manipulate images (like Pixel Bender does). Obviously the goal is not to write something that can be compared with Pixel Bender, but at least we would like to provide an implementation that will lead to http://www.3solarbids.com/help-with-starting-a-research-paper/ help with starting a research paper scripts as fast as native code (at least we hope so :P).

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what is the best online pharmacy for viagra The first step is to design the language, and to do that we need to do the step zero that is to define the goals we want to achive with the first implementation:

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http://www.dekart.com/?top-10-article-writing-services top 10 article writing services Now that we decided which are the goals, let’s start definign some limitation or features we must include to quickly reach a solution:

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http://www.greedyrooster.it/term-paper-english-linguistics/ Even if briefly, it is quite important to define the goals of our language and then the features, because a lack of design (even if extremely simple and poor as the current one :P) may lead to unexpected issues during implementation.

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mcmaster biopsych thesis Now that we defined those basic pointers, let’s see how the language will look like:

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// Simple crossfade filter
// The crossfade intensity
argument intensity;
/**
* A quick explanation of the used builtins:
*  - in( id, x, y ): gets the ARGB color at x and y of the image identified by id (there can be more than one image as input);
*  - out( id, x, y, color ): sets the ARGB color at x and y for the output image identified by id;
*  - argb( a, r, b, b ): build an ARGB color from its components (clamping and rounding the values as required);
*/
evaluatePixel( x, y )
{
// this kind of assignment is similar to the python unpack assignment
// but extracts the 4 components (ARGB) from a color.
a1, r1, g1, b1 = in( 0, x, y );
a2, r2, g2, b2 = in( 1, x, y );
out( 0, x, y, argb(
( 1 - intensity ) * a1 + intensity * a2,
( 1 - intensity ) * r1 + intensity * r2,
( 1 - intensity ) * g1 + intensity * g2,
( 1 - intensity ) * b1 + intensity * b2 ));
}

source site As a side not, I must say that the language may change during implementation because of unexpected limitations we will find during development.

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see url Next week we will move forward start implementing the language. Stay tuned!

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