forked from: forked from: BumpMap
// forked from Teh's forked from: BumpMap
// forked from psyark's BumpMap
package {
import flash.display.BitmapData;
import flash.events.Event;
import flash.display.Sprite;
import flash.filters.ColorMatrixFilter;
import flash.filters.ShaderFilter;
import flash.geom.ColorTransform;
import flash.geom.Matrix3D;
import flash.geom.PerspectiveProjection;
import flash.geom.Utils3D;
import flash.geom.Vector3D;
[SWF(width=465,height=465,frameRate=60,backgroundColor=0x111111)]
public class BumpMap extends Sprite {
private var vertices:Vector.<Number> = new Vector.<Number>(0, false);
private var projected:Vector.<Number> = new Vector.<Number>(0, false);
private var indices:Vector.<int> = new Vector.<int>(0, false);
private var uvtData:Vector.<Number> = new Vector.<Number>(0, false);
private var projection:PerspectiveProjection = new PerspectiveProjection();
private var count:uint = 0;
private var heightMap:BitmapData = new HeightMap();
private var normalMap:BitmapData;
private var texture:BitmapData = new BitmapData(256, 256, false, 0);
public function BumpMap() {
x = y = 465 / 2;
vertices.push(-300, +300, 0, +300, +300, 0, +300, -300, 0, -300, -300, 0);
uvtData.push(0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0);
indices.push(0, 1, 2, 2, 3, 0);
projection.fieldOfView = 60;
var h2nShader:HeightToNormalShader = new HeightToNormalShader();
h2nShader.data.multiplier.value = [10];
normalMap = new BitmapData(256, 256, false, 0);
normalMap.applyFilter(heightMap, heightMap.rect, heightMap.rect.topLeft, new ShaderFilter(h2nShader));
addEventListener(Event.ENTER_FRAME, enterFrame);
}
private function enterFrame(event:Event):void {
var view:Matrix3D = new Matrix3D();
view.appendRotation(Math.cos(count * 0.017) * 60, Vector3D.X_AXIS);
view.appendRotation(Math.cos(count * 0.031) * 60, Vector3D.Y_AXIS);
var light:Vector3D = view.transformVector(Vector3D.Z_AXIS);
view.appendTranslation(0, 0, 850);
view.append(projection.toMatrix3D());
Utils3D.projectVectors(view, vertices, projected, uvtData);
var lighting:ColorMatrixFilter = new ColorMatrixFilter([
2 * light.x, 2 * light.y, light.z, 0, (light.x + light.y ) * -0xFF,
2 * light.x, 2 * light.y, light.z, 0, (light.x + light.y ) * -0xFF,
2 * light.x, 2 * light.y, light.z, 0, (light.x + light.y ) * -0xFF,
0, 0, 0, 1, 0
]);
texture.applyFilter(normalMap, normalMap.rect, normalMap.rect.topLeft, lighting);
graphics.clear();
graphics.beginBitmapFill(texture, null, false, true);
graphics.drawTriangles(projected, indices, uvtData);
count++;
}
}
}
import flash.display.BitmapData;
import flash.display.Shader;
import flash.display.Sprite;
import flash.text.TextField;
import flash.geom.ColorTransform;
import flash.geom.Rectangle;
import flash.geom.Matrix;
import flash.filters.GlowFilter;
import flash.utils.ByteArray;
import mx.utils.Base64Decoder;
class HeightToNormalShader extends Shader {
protected var base64:String = "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";
public function HeightToNormalShader() {
var decoder:Base64Decoder = new Base64Decoder();
decoder.decode(base64);
super(decoder.drain());
}
}
class HeightMap extends BitmapData {
public function HeightMap() {
super(256, 256, true, 0);
perlinNoise(64, 64, 4, Math.random() * 100, false, true, 0, true);
colorTransform(rect, new ColorTransform(1.5, 1.5, 1.5, 1, -0x40, -0x40, -0x40));
fillRect(new Rectangle(0, 52, 256, 152), 0xFF808080);
draw(new Pattern());
}
}
class Pattern extends Sprite {
public function Pattern() {
var label:TextField = new TextField();
label.autoSize = "left";
label.htmlText = '<p align="center"><font face="_sans" size="58" color="#ffffff" letterspacing="-4"><b>BUMP\nMAPPING</b></font></p>';
label.x = 256 - label.width >> 1;
label.y = 256 - label.height >> 1;
label.filters = [new GlowFilter(0x000000, 1, 4, 4, 2, 3, true)];
addChild(label);
var mtx:Matrix = new Matrix();
var colors:Array = [0xFFFFFF, 0x000000];
var alphas:Array = [1, 1];
var ratios:Array = [0x00, 0xFF];
for (var i:uint=1; i<8; i++) {
mtx.createGradientBox(20, 20, 0, i * 32 - 10, 26 - 10);
graphics.beginGradientFill("radial", colors, alphas, ratios, mtx);
graphics.drawCircle(i * 32, 26, 10);
graphics.endFill();
mtx.createGradientBox(20, 20, 0, i * 32 - 10, 230 - 10);
graphics.beginGradientFill("radial", colors, alphas, ratios, mtx);
graphics.drawCircle(i * 32, 230, 10);
graphics.endFill();
}
}
}