Flash creates a complex gradient fill effect

Create a new Flash document and save it as a radialgradient.fla.
Add the following ActionScript to frame 1th of the timeline:

The code is as follows

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This.createemptym Ovieclip ("GRADIENT_MC", 10); var filltype:string = "Radial"; var colors:array = [0xff0000, 0x0000ff]; var alphas:array = [100, 100]; var ratios:array = [0, 0xFF]; var matrix:object = {a:200, b:0, c:0, d:0, e:200, f:0, g:200, h:200, i:1}; var spreadmethod:string = "Reflect"; var interpolationmethod:string = "Linearrgb"; var focalpointratio:number = 0.9; with (GRADIENT_MC) {     Begingradientfill (filltype, colors, alphas, ratios, Matrix, Spreadmethod, Interpolationmethod, Focalpointratio);     moveTo (100, 100);     lineTo (100, 300);     LineTo (300, 300);     lineTo (300, 100);     lineTo (100, 100);     Endfill (); }

The preceding ActionScript code uses the drawing API to create a square on the stage, and then calls the Begingradientfill () method to populate the square with a red and blue circular gradient.

Save the Flash document and select Control > Test movie to test the Flash file.