Scripts: Flash :: Actionscript motions :: Library Article #1
Developer's Section
Create a Simple Motion
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Simple techniques to create a simple motion in actionscript.
Actionscript is the programming language used to create motions for your .swf animation files. To start with, let's define what an animation is:
What is an animation?
To give life to; fill with life any images you may have.
How can we create an animation?
To make, design, or produce ( a cartoon, for example) so as to create the illusion of motion.
let's create some actionScript code that can represent motions using simple lines:
 | Code Snippet 1 |
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init();
function init()
{
//define x, y points for our object moving
var movingPoints:Array = new Array();
for(var u = 0; u < 50; u++)
{
movingPoints[u] = new Object();
movingPoints[u].x = Math.random() * Stage.width;
movingPoints[u].y = Math.random() * Stage.height;
}
lineStyle(1,0,100);
//now move to the first point
moveTo(movingPoints[0].x, movingPoints[0].y);
//and loop through each next successive pair
for( z = 1; z < movingPoints.length; z+=5)
{
//move to the next points
//1: straight line
lineTo(movingPoints[z].x, movingPoints[z].y);
//2:or curve line
curveTo(movingPoints[z].x, movingPoints[z].y,
movingPoints[z + 1].x, movingPoints[z + 1].y);
}
}
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