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Some refactorings

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This commit is contained in:
Yaski
2012-04-26 17:07:31 +06:00
parent 3e4183293a
commit 1268c217cc
3 changed files with 105 additions and 101 deletions
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10
src/alternativa/engine3d/core/Camera3D.as
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@@ -1096,10 +1096,10 @@ public class Camera3D extends Object3D {
value = 1000 * fpsUpdatePeriod / (time - previousPeriodTime);
if (value > stageFrameRate) value = stageFrameRate;
mod = value * 100 % 100;
fpsTextField.text = int(value) + "." + ((mod >= 10) ? mod : ((mod > 0) ? ("0" + mod) : "00"));
fpsTextField.text = int(value) + "." + ((mod >= 10) ? mod.toString() : ((mod > 0) ? ("0" + mod) : "00"));
value = 1000 / value;
mod = value * 100 % 100;
frameTextField.text = int(value) + "." + ((mod >= 10) ? mod : ((mod > 0) ? ("0" + mod) : "00"));
frameTextField.text = int(value) + "." + ((mod >= 10) ? mod.toString() : ((mod > 0) ? ("0" + mod) : "00"));
previousPeriodTime = time;
fpsUpdateCounter = 0;
}
@@ -1116,14 +1116,14 @@ public class Camera3D extends Object3D {
if (methodTimeCount > 0) {
value = methodTimeSum / methodTimeCount;
mod = value * 100 % 100;
timerTextField.text = int(value) + "." + ((mod >= 10) ? mod : ((mod > 0) ? ("0" + mod) : "00"));
timerTextField.text = int(value) + "." + ((mod >= 10) ? mod.toString() : ((mod > 0) ? ("0" + mod) : "00"));
} else {
timerTextField.text = "";
}
if (cpuTimeCount > 0) {
value = cpuTimeSum / cpuTimeCount;
mod = value * 100 % 100;
cpuTextField.text = int(value) + "." + ((mod >= 10) ? mod : ((mod > 0) ? ("0" + mod) : "00"));
cpuTextField.text = int(value) + "." + ((mod >= 10) ? mod.toString() : ((mod > 0) ? ("0" + mod) : "00"));
} else {
cpuTextField.text = "";
}
@@ -1138,7 +1138,7 @@ public class Camera3D extends Object3D {
var memory:int = System.totalMemory;
value = memory / 1048576;
mod = value * 100 % 100;
memoryTextField.text = int(value) + "." + ((mod >= 10) ? mod : ((mod > 0) ? ("0" + mod) : "00"));
memoryTextField.text = int(value) + "." + ((mod >= 10) ? mod.toString() : ((mod > 0) ? ("0" + mod) : "00"));
// memory plot
if (memory > maxMemory) maxMemory = memory;

5
src/alternativa/engine3d/shadows/DirectionalLightShadow.as
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@@ -30,7 +30,7 @@ package alternativa.engine3d.shadows {
import alternativa.engine3d.resources.ExternalTextureResource;
import alternativa.engine3d.resources.Geometry;
import alternativa.engine3d.resources.TextureResource;
import flash.display3D.Context3D;
import flash.display3D.Context3DProgramType;
import flash.display3D.Context3DTextureFormat;
@@ -56,9 +56,6 @@ package alternativa.engine3d.shadows {
private var renderer:Renderer = new Renderer();
/**
* Debug mode.
*/
/**
* Degree of correcting offset of shadow map space. It need for getting rid of self-shadowing artifacts.
*/

191
src/alternativa/engine3d/shadows/OmniLightShadow.as
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@@ -14,14 +14,12 @@ package alternativa.engine3d.shadows {
import alternativa.engine3d.core.Renderer;
import alternativa.engine3d.core.Transform3D;
import alternativa.engine3d.core.VertexAttributes;
import alternativa.engine3d.core.View;
import alternativa.engine3d.materials.Material;
import alternativa.engine3d.materials.ShaderProgram;
import alternativa.engine3d.materials.TextureMaterial;
import alternativa.engine3d.materials.compiler.Linker;
import alternativa.engine3d.materials.compiler.Procedure;
import alternativa.engine3d.materials.compiler.VariableType;
import alternativa.engine3d.objects.Joint;
import alternativa.engine3d.objects.Mesh;
import alternativa.engine3d.objects.Skin;
import alternativa.engine3d.objects.Surface;
@@ -42,17 +40,22 @@ package alternativa.engine3d.shadows {
public class OmniLightShadow extends Shadow{
/**
* Степень корректирующего смещения пространства карты теней для избавления от артефактов самозатенения.
* Degree of correcting offset of shadow map space. It need for getting rid of self-shadowing artifacts.
*/
public var biasMultiplier:Number = 0.99;
private var renderer:Renderer = new Renderer();
private var radius:Number = 1;
// radius of the light source
private var radius:Number = 100;
// cube map size
private var _mapSize:Number;
private var _pcfOffset:Number;
private var cubeShadowMap:CubeTexture;
// Sides cameras
private var cameras:Vector.<Camera3D> = new Vector.<Camera3D>();
private var debugObject:Mesh;
@@ -60,27 +63,30 @@ package alternativa.engine3d.shadows {
private var _casters:Vector.<Object3D> = new Vector.<Object3D>();
private var cachedContext:Context3D;
private var programs:Dictionary = new Dictionary();
private var actualCasters:Vector.<Object3D> = new Vector.<Object3D>();
private var actualCastersCount:int;
// cube face -> caster
private var edgeCameraToCasterTransform:Transform3D = new Transform3D();
// caster -> cube face
private var casterToEdgedCameraTransform:Transform3D = new Transform3D();
// object -> light
private var objectToLightTransform:Transform3D = new Transform3D();
// casters count in edge
private var prevActualCasterCountForEdge:Vector.<int> = new Vector.<int>(6);
private var cachedContext:Context3D;
private var programs:Dictionary = new Dictionary();
/**
* Создает экземпляр OmniLightShadow.
* @param mapSize Размер карты теней. Должен быть степенью 2.
* @param pcfOffset Смягчение границ тени.
*/
public function OmniLightShadow(mapSize:int = 128, pcfOffset:Number = 0) {
this.mapSize = mapSize;
this.pcfOffset = pcfOffset;
vertexShadowProcedure = getVShader();
type = _pcfOffset > 0 ? "OS" : "os";
fragmentShadowProcedure = _pcfOffset > 0 ? getFShaderPCF() : getFShader();
@@ -89,11 +95,10 @@ package alternativa.engine3d.shadows {
debugMaterial.alpha = 1.0;
for (var i:int = 0; i < 6; i++) {
// создаем камеры
// Create cameras
// TODO: recalculate nearClipping
var cam:Camera3D = new Camera3D(10, radius);
cam.fov = 1.910633237;
cam.view = new View(radius, radius);
cam.renderer = renderer;
cameras[i] = cam;
prevActualCasterCountForEdge[i] = 0;
@@ -124,9 +129,12 @@ package alternativa.engine3d.shadows {
cameras[4].rotationX = 0;
cameras[4].scaleY = -1;
cameras[4].composeTransforms();
}
// TODO: boundBox of light?
// TODO: remove setBoundSize
}
/**
* @private
*/
@@ -134,91 +142,89 @@ package alternativa.engine3d.shadows {
this.radius = value;
for (var i:int = 0; i < 6; i++) {
var cam:Camera3D = cameras[i];
cam.view.width = cam.view.height = int (value);
cam.farClipping = value;
cam.calculateProjection(value,value);
}
}
private function createDebugCube(material:Material, context:Context3D):Mesh{
var mesh:Mesh = new Mesh();
private function createDebugObject(material:Material, context:Context3D):Mesh{
var geometry:Geometry;
var mesh:Mesh;
// TODO: определиться куб или сфера
// var geometry:Geometry = new Geometry(8);
// mesh.geometry = geometry;
//
// var attributes:Array = new Array();
// attributes[0] = VertexAttributes.POSITION;
// attributes[1] = VertexAttributes.POSITION;
// attributes[2] = VertexAttributes.POSITION;
// geometry.addVertexStream(attributes);
//
// geometry.setAttributeValues(VertexAttributes.POSITION, Vector.<Number>([-0.5, -0.5, -0.5,
// 0.5, -0.5, -0.5,
// 0.5, 0.5, -0.5,
// -0.5, 0.5, -0.5,
// -0.5, -0.5, 0.5,
// 0.5, -0.5, 0.5,
// 0.5, 0.5, 0.5,
// -0.5, 0.5, 0.5]));
//
// geometry.indices = Vector.<uint>([ 0, 1, 2, 3, 0, 2, 2, 1, 0, 3, 2, 0,
// 2, 6, 1, 1, 6, 2, 1, 6, 5, 5, 6, 1,
// 6, 4, 5, 5, 4, 6, 6, 4, 7, 7, 4, 6,
// 0, 7, 4, 4, 7, 0, 0, 7, 3, 3, 7, 0,
// 3, 6, 2, 2, 6, 3, 3, 7, 6, 6, 7, 3,
// 0, 5, 1, 1, 5, 0, 0, 4, 5, 5, 4, 0]);
//
// mesh.addSurface(material, 0, 24);
var sphere:GeoSphere = new GeoSphere(1, 4, false);
var geometry:Geometry = sphere.geometry;
mesh.geometry = geometry;
mesh.addSurface(material, 0, geometry.numTriangles);
var isBox:Boolean = false;
if (isBox) {
mesh = new Mesh();
geometry = new Geometry(8);
mesh.geometry = geometry;
geometry.upload(context);
var attributes:Array = new Array();
attributes[0] = VertexAttributes.POSITION;
attributes[1] = VertexAttributes.POSITION;
attributes[2] = VertexAttributes.POSITION;
geometry.addVertexStream(attributes);
geometry.setAttributeValues(VertexAttributes.POSITION, Vector.<Number>([
-0.5, -0.5, -0.5,
0.5, -0.5, -0.5,
0.5, 0.5, -0.5,
-0.5, 0.5, -0.5,
-0.5, -0.5, 0.5,
0.5, -0.5, 0.5,
0.5, 0.5, 0.5,
-0.5, 0.5, 0.5]));
geometry.indices = Vector.<uint>([
0, 1, 2, 3, 0, 2, 2, 1, 0, 3, 2, 0,
2, 6, 1, 1, 6, 2, 1, 6, 5, 5, 6, 1,
6, 4, 5, 5, 4, 6, 6, 4, 7, 7, 4, 6,
0, 7, 4, 4, 7, 0, 0, 7, 3, 3, 7, 0,
3, 6, 2, 2, 6, 3, 3, 7, 6, 6, 7, 3,
0, 5, 1, 1, 5, 0, 0, 4, 5, 5, 4, 0]);
mesh.addSurface(material, 0, 24);
} else {
mesh = new GeoSphere(1, 4, false);
mesh.setMaterialToAllSurfaces(material);
}
mesh.geometry.upload(context);
return mesh;
}
// Вычисление шедоумапы
// Draw in shadow map
override alternativa3d function process(camera:Camera3D):void {
var i:int;
var j:int;
var caster:Object3D;
var context:Context3D = camera.context3D;
var castersCount:int = _casters.length;
// Отсечение кастеров, тени которых не видны
// Обработка смены контекста
// Checking changed context
if (context != cachedContext) {
programs = new Dictionary();
cubeShadowMap = null;
cachedContext = context;
for (i = 0; i < cameras.length; i++) {
cameras[i].context3D = cachedContext;
}
}
// Culling invisible casters
if (cubeShadowMap == null) {
cubeShadowMap = context.createCubeTexture(_mapSize, Context3DTextureFormat.BGRA, true);
debugMaterial.cubeMap = cubeShadowMap;
// TODO: not clear here
for (i = 0; i < 6; i++) {
context.setRenderToTexture(cubeShadowMap, true, 0, i);
context.clear(1, 0, 0, 0.3);
}
}
// предрасчитаем некоторые матрицы трансформации
for (j = 0; j < castersCount; j++) {
caster = _casters[j];
var castersCount:int = _casters.length;
// calculating some transformation matrices
for (i = 0; i < castersCount; i++) {
caster = _casters[i];
if (caster.transformChanged) caster.composeTransforms();
caster.lightToLocalTransform.combine(caster.cameraToLocalTransform, _light.localToCameraTransform);
caster.localToLightTransform.combine(_light.cameraToLocalTransform, caster.localToCameraTransform);
if (caster.childrenList)
calculateChildrenTransforms(caster);
if (caster.childrenList != null) calculateChildrenTransforms(caster);
// TODO: repair skin
// var skin:Skin = caster as Skin;
// if (skin != null) {
// // Расчет матриц джоинтов
@@ -235,10 +241,9 @@ package alternativa.engine3d.shadows {
}
// Пробегаемся по 6-и камерам
// Iterate through six cameras
for (i = 0; i < 6; i++) {
// камера соответствующая грани куба
// Cube side camera
var edgeCamera:Camera3D = cameras[i];
// проверяем, есть ли видимые кастеры попадающие на грань куба
@@ -259,9 +264,9 @@ package alternativa.engine3d.shadows {
}
}
if (actualCastersCount>0){
if (actualCastersCount > 0) {
// Настройка параметров рендеринга:
renderer.camera = edgeCamera;
renderer.camera = camera;
context.setRenderToTexture(cubeShadowMap, true, 0, i);
context.clear(1, 0, 0, 0.0);
@@ -293,7 +298,7 @@ package alternativa.engine3d.shadows {
if (actualCastersCount > 0) {
// Создаем дебаговый объект, если он не создан
if (debugObject == null) {
debugObject = createDebugCube(debugMaterial, camera.context3D);
debugObject = createDebugObject(debugMaterial, camera.context3D);
debugObject.scaleX = debugObject.scaleY = debugObject.scaleZ = radius/12;
debugObject.composeTransforms();
}
@@ -308,21 +313,19 @@ package alternativa.engine3d.shadows {
}
}
// предрасчитывает матрицы для всех детей
// Precalculate children matrices
// localToLightTransform, lightToLocalTransform, transform, и calculateTransform для Joint
private function calculateChildrenTransforms(root:Object3D):void{
var childrenList:Object3D = root.childrenList;
for (var child:Object3D = childrenList; child != null; child = child.next) {
for (var child:Object3D = root.childrenList; child != null; child = child.next) {
// расчет матриц трансформаций для объектов
if (child.transformChanged) child.composeTransforms();
child.localToLightTransform.combine(root.localToLightTransform, child.transform);
child.lightToLocalTransform.combine(child.inverseTransform, root.lightToLocalTransform);
if (child.childrenList)
calculateChildrenTransforms(child);
if (child.childrenList != null) calculateChildrenTransforms(child);
// TODO: repair skin
// // расчет матриц трансформаций для скинов
// var skin:Skin = child as Skin;
// if (skin != null) {
@@ -605,7 +608,7 @@ package alternativa.engine3d.shadows {
shaderArr[line++] = "dp3 t0.x, t0.xyz, c0.xyz"; // декодируем, находим разницу между расстояниями и умножаем ее на большое число
// рассчитываем значение тени
shaderArr[line++] = "sat t0, t0.x";
shaderArr[line++] = "sat t0.x, t0.x";
shaderArr[line++] = "sub o0, c0.w, t0.x";
// shaderArr[line++] = "sat t0.x, t0.x";
@@ -631,33 +634,34 @@ package alternativa.engine3d.shadows {
// допустимо использование временных переменных t0 t1 t2 t3
// v0 - sample
// ищем 2-а перпендикулярных вектора
// calculate 2 ortogonal vectors
// (-y, x, 0)
shaderArr[line++] = "mov t1.xyzw, v0.yxzw";
shaderArr[line++] = "mul t1.xyzw, t1.xyzw, c1.xyzz";
shaderArr[line++] = "crs t0.xyz, v0.xyz, t1.xyz";
// нормируем их
// normalize vectors
shaderArr[line++] = "nrm t0.xyz, t0.xyz";
shaderArr[line++] = "nrm t1.xyz, t1.xyz";
// задаем оффсеты
shaderArr[line++] = "dp3 t3.z, v0.xyz, v0.xyz";
shaderArr[line++] = "sqt t3.z, t3.z"; // w: [0, radius]
shaderArr[line++] = "sqt t3.z, t3.z"; // distance
// apply pcf offset
shaderArr[line++] = "mul t0.w, c1.w, t3.z"; // с1.w = offset/radius
shaderArr[line++] = "mul t0.xyz, t0.xyz, t0.w";
shaderArr[line++] = "mul t1.xyz, t1.xyz, t0.w";
// --------- {13 opcode}
// t0, t1 - перпендикуляры ↑→
// t2 - текущий вектор
// t0, t1 - ortogonals ↑→
// t2 - current vector
// в v0.w, t3.z расстояние до объекта
// t3.xy - результат из текстуры
// t3.w - сумма sat-ов
// t3.z distance to object
// t3.xy - result from shadow map
// t3.w - summ of sat
// первая точка
// first point
shaderArr[line++] = "add t2.xyz, t0.xyz, t1.xyz";
shaderArr[line++] = "mul t2.xyz, t2.xyz, c2.xxx";
shaderArr[line++] = "add t2.xyz, t2.xyz, v0.xyz";
@@ -670,7 +674,7 @@ package alternativa.engine3d.shadows {
//-----
for (j = 1; j<4; j++){
for (j = 1; j < 4; j++) {
shaderArr[line++] = "add t2.xyz, t2.xyz, t1.xyz";
shaderArr[line++] = "tex t3.xy, t2.xyz, s0 <cube, nearest>";
@@ -682,13 +686,13 @@ package alternativa.engine3d.shadows {
//-----
for (i = 0; i<3; i++){
for (i = 0; i < 3; i++) {
shaderArr[line++] = "add t2.xyz, t2.xyz, t0.xyz";
shaderArr[line++] = "tex t3.xy, t2.xyz, s0 <cube, nearest>";
shaderArr[line++] = "dp3 o0." +componentByIndex[0] + ", t3.xyz, c0.xyz"; // декодируем, вычитаем, умножаем на большое число
for (j = 1; j<4; j++){
for (j = 1; j < 4; j++){
shaderArr[line++] = (i%2 == 1)?("add t2.xyz, t2.xyz, t1.xyz"):("sub t2.xyz, t2.xyz, t1.xyz");
shaderArr[line++] = "tex t3.xy, t2.xyz, s0 <cube, nearest>";
@@ -701,13 +705,12 @@ package alternativa.engine3d.shadows {
shaderArr[line++] = "sub o0, c1.y, t3.w";
//--------- {73 opcode}
//--------- {73 opcodes}
return Procedure.compileFromArray(shaderArr, "OmniShadowMapFragment");
}
private static const componentByIndex:Array = ["x", "y", "z", "w"];
/**
* Добавляет <code>object</code> в список объектов, отбрасывающих тень.
* @param object Добавляемый объект.
@@ -718,6 +721,12 @@ package alternativa.engine3d.shadows {
}
}
public function removeCaster(object:Object3D):void {
var index:int = _casters.indexOf(object);
if (index < 0) throw new Error("Caster not found");
_casters[index] = _casters.pop();
}
/**
* Очищает список объектов, отбрасывающих тень.
*/
@@ -790,8 +799,6 @@ import alternativa.engine3d.resources.Geometry;
import flash.display3D.Context3D;
import flash.display3D.Context3DBlendFactor;
import flash.display3D.Context3DProgramType;
import flash.display3D.Program3D;
import flash.display3D.VertexBuffer3D;
import flash.display3D.textures.CubeTexture;
import flash.utils.Dictionary;