Actionscript3.0ã¢ãã¡ã¼ã·ã§ã³ãåèã«ããscriptographerã§ã®3Dã®ã¹ã±ããã flã¯ç¦ç¹è·é¢ã§ãvpXãvpYã¯æ¶å¤±ç¹(vanishing point)ã ball3D.js //A4 size var w = 596; var h = 842; var back = document.createRectangle(new Rectangle(0, 0, w, h)); back.style.fill.color = new RGBColor(0, 0, 0); var fl = 250; var vpX = w/2; var vpY = h/2; var numBalls = 1000; function drawBall(x, y, z, rad) { if(z > -fl) { var scale = fl / (fl+z); x = vpX + x *


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