3d.txt

来自「应用flash做的3d旋转的源代码」· 文本 代码 · 共 55 行

function init() {
 _root.createEmptyMovieClip("pad", 1);
 pad._x = 270;
 pad._y = 200;
}
ya = Math.PI;
fl = 150;
x = new Array(-100, 100, 100, -100, -100, 100, 100, -100);
y = new Array(-100, -100, 100, 100, -100, -100, 100, 100);
z = new Array(-100, -100, -100, -100, 100, 100, 100, 100);
xp = new Array();
yp = new Array();
function square(x1, y1, x2, y2, x3, y3, x4, y4, col) {
 pad.beginFill(col, 50);
 pad.lineStyle(1, 0, 100);
 pad.moveTo(x1, y1);
 pad.lineTo(x2, y2);
 pad.lineTo(x3, y3);
 pad.lineTo(x4, y4);
 pad.lineTo(x1, y1);
 pad.endFill();
}
_root.onEnterFrame = function() {
 init();
 cosxa = Math.cos(xa);
 sinxa = Math.sin(xa);
 cosya = Math.cos(ya);
 sinya = Math.sin(ya);
 xa += pad._ymouse/1000;
 ya += pad._xmouse/1000;
 for (i=0; i<8; i++) {
  ypt = cosxa*y[i]-sinxa*z[i];
  zpt = cosxa*z[i]+sinxa*y[i];
  xpt = cosya*x[i]-sinya*zpt;
  zpt = cosya*zpt+sinya*x[i];
  scale = fl/(fl+zpt+200);
  xp[i] = xpt*scale;
  yp[i] = ypt*scale;
 }
 square(xp[0], yp[0], xp[1], yp[1], xp[2], yp[2], xp[3], yp[3], 0xff0000);
 square(xp[0], yp[0], xp[3], yp[3], xp[7], yp[7], xp[4], yp[4], 0x00ff00);
 square(xp[4], yp[4], xp[5], yp[5], xp[6], yp[6], xp[7], yp[7], 0x0000ff);
 square(xp[1], yp[1], xp[2], yp[2], xp[6], yp[6], xp[5], yp[5], 0xff00ff);
 square(xp[0], yp[0], xp[1], yp[1], xp[5], yp[5], xp[4], yp[4], 0xffff00);
 square(xp[2], yp[2], xp[3], yp[3], xp[7], yp[7], xp[6], yp[6], 0x00ffff);
};
_root.onMouseDown = function() {
 _root.draw = true;
};
_root.onMouseUp = function() {
 _root.draw = up;
};
stop()