/**

* Copyright ysle ( http://wonderfl.net/user/ysle )

* MIT License ( http://www.opensource.org/licenses/mit-license.php )

* Downloaded from: http://wonderfl.net/c/qGQZ

* Downloaded from: https://github.com/biliscript-syndicate/examples/blob/master/Sphere.as

*

* --Modified slightly to remove unnecessary code & hardcode screen size/lifeTime

* --Modified so that GlowFilter is added too.

*/

/**

* // Updated script so that we are much more efficient!

* Works well with filters off at 200, 40, 9

* or with filters on at 200, 40, 9 too!

**/

/*** CONFIG ****/

var fill = true;

var wireframe = true;

var filters = false; // change to true to enable filters

var radius = 200;

var detail = 40;

var stripes = 9;

/*** /CONFIG ***/

var unload = $G._get('unload');

if (unload) unload();

Vector3D = ($.createVector3D()).constructor;

var screen = $.createShape({

lifeTime: 1000

});

screen.transform.matrix3D = null;

screen.x = 640 / 2;

screen.y = 400 / 2;

function getR(a, c) {

return Math.sqrt(c * c - a * a);

}

var rules = [

{r:0xff, g:0, b:0, dr:0, dg:1, db:0 },

{r:0xff, g:0xff, b:0, dr: -1, dg:0, db:0 },

{r:0, g:0xff, b:0, dr:0, dg:0, db: +1 },

{r:0, g:0xff, b:0xff, dr:0, dg: -1, db:0 },

{r:0, g:0, b:0xff, dr: +1, dg:0, db:0 },

{r:0xff, g:0, b:0xff, dr:0, dg:0, db: -1 }

];

function getColor(value) {

var d = (value = value % 0x5fa) % 0xff;

var r = rules[(value / 0xff) | 0];

return ((r.r+r.dr*d)<<16)+((r.g+r.dg*d)<<8)+(r.b+r.db*d);

}

var vertices = $.toNumberVector([]);

var indices = $.toIntVector([]);

var uvtData = $.toNumberVector([]);

var projectedVertices = $.toNumberVector([]);

function init() {

var frh = radius * 2 / (stripes * 2 +1);

var yc = -radius;

var rad, last, yUp, yDown, rUp, rDown, i;

for (var s = 0; s < stripes; s++) {

yUp = yc += frh ;

yDown = yc += frh;

rUp = getR(yUp, radius);

rDown = getR(yDown, radius);

i = detail*2*s;

for (var c = 0; c < detail; c++) {

rad = (2 * Math.PI) / detail * c;

vertices.push(Math.cos(rad) * rUp, Math.sin(rad) * rUp, yUp );

vertices.push(Math.cos(rad) * rDown, Math.sin(rad) * rDown, yDown );

last = c == (detail - 1);

indices.push(i + c * 2, i + c * 2 + 1, i + (last?0:c * 2 + 2));

indices.push(i + c * 2 + 1, i + (last?1:c * 2 + 3), i + (last?0:c * 2 + 2));

}

}

uvtData.length = indices.length;

projectedVertices.length = vertices.length / 3 * 2;

projectedVertices.fixed = true;

vertices.fixed = true;

indices.fixed = true;

uvtData.fixed = true;

}

var counter = 0;

var rx = 0;

var ry = 0;

var frames = 0;

var fpsText = $.createComment('', {fontsize:12, lifeTime:1000});

var frameCount = 0;

var nextUpdate = getTimer() + 1000;

var lastTime = getTimer();

var matrix3D = $.createMatrix3D([]);

if(filters)

screen.filters = [$.createGlowFilter(0xff0000,1,40,40,20)];

var mrgb = 0xff0000;

function render() {

var now = getTimer();

frameCount++;

if (now >= nextUpdate) {

fps = ((frameCount / (now - lastTime) * 1000 * 10) | 0) / 10;

fpsText.text = 'FPS:' + fps;

lastTime = now;

frameCount = 0;

nextUpdate = getTimer() + 1000;

}

matrix3D.identity();

matrix3D.prependRotation(rx+=0.5, Vector3D.X_AXIS);

matrix3D.prependRotation(ry+=1.25, Vector3D.Y_AXIS);

$.projectVectors(matrix3D, vertices, projectedVertices, uvtData);

screen.graphics.clear();

var color = getColor(counter++);

if(frameCount === 0 && filters){

var r = Math.floor(color / 65536), g = Math.floor((color % 65536) / 256), b = color % 256;

nmrgb = Utils.rgb(255 * (r > 128 ? 1 : 0), 255 * (g > 128 ? 1 : 0), 255 * (b > 128 ? 1 : 0));

if(nmrgb !== mrgb){

mrgb = nmrgb;

screen.filters = [$.createGlowFilter(mrgb,1,40,40,20)];

}

}

if (wireframe)

screen.graphics.lineStyle(0.4, fill?0xffffff:color,1);

if (fill)

screen.graphics.beginFill(0xffffff);

screen.graphics.drawTriangles(projectedVertices, indices, null, 'negative');

if(fill)

screen.graphics.beginFill(color);

screen.graphics.drawTriangles(projectedVertices, indices, null, 'positive');

screen.graphics.endFill();

}

init();

screen.addEventListener('enterFrame', render);

$G._set('unload', function(){

screen.removeEventListener('enterFrame', render);

ScriptManager.clearEl();

$G._set('unload', undefined);

});