@@ -8,13 +8,17 @@
package alternativa . engine3d . shadows {
import alternativa . engine3d . alternativa3d ;
import alternativa . engine3d . core . Camera3D ;
import alternativa . engine3d . core . DrawUnit ;
import alternativa . engine3d . core . BoundBox ;
import alternativa . engine3d . core . Camera3D ;
import alternativa . engine3d . core . CullingPlane ;
import alternativa . engine3d . core . DrawUnit ;
import alternativa . engine3d . core . Object3D ;
import alternativa . engine3d . core . Renderer ;
import alternativa . engine3d . core . Transform3D ;
import alternativa . engine3d . core . VertexAttributes ;
import alternativa . engine3d . materials . Material ;
import alternativa . engine3d . lights . OmniLight ;
import alternativa . engine3d . lights . OmniLight ;
import alternativa . engine3d . materials . Material ;
import alternativa . engine3d . materials . ShaderProgram ;
import alternativa . engine3d . materials . TextureMaterial ;
import alternativa . engine3d . materials . compiler . Linker ;
@@ -36,7 +40,9 @@ package alternativa.engine3d.shadows {
import flash . display3D . textures . CubeTexture ;
import flash . utils . Dictionary ;
use namespace alternativa3d ;
import spark . effects . easing . Elastic ;
use namespace alternativa3d ;
public class OmniLightShadow extends Shadow {
@@ -52,6 +58,7 @@ package alternativa.engine3d.shadows {
// cube map size
private var _mapSize : Number ;
private var _pcfOffset : Number ;
private var cubeShadowMap : CubeTexture ;
@@ -64,6 +71,9 @@ package alternativa.engine3d.shadows {
private var _casters : Vector . < Object3D > = new Vector . < Object3D > ();
private var castersInLight : Vector . < Object3D > = new Vector . < Object3D > ();
private var castersInLightCount : int ;
private var actualCasters : Vector . < Object3D > = new Vector . < Object3D > ();
private var actualCastersCount : int ;
@@ -74,7 +84,7 @@ package alternativa.engine3d.shadows {
// object -> light
private var objectToLightTransform : Transform3D = new Transform3D ();
// casters count in edge
private var prevActualCasterCountForEdge : Vector . < int > = new Vector . < int > ( 6 ) ;
private var prevActualCastersMask : int
private var cachedContext : Context3D ;
private var programs : Dictionary = new Dictionary ();
@@ -85,6 +95,13 @@ package alternativa.engine3d.shadows {
* @param pcfOffset Смягчение границ тени.
*/
public function OmniLightShadow ( mapSize : int = 128 , pcfOffset : Number = 0 ) {
sections = new SectionPlane ();
sections . next = new SectionPlane ();
sections . next . next = new SectionPlane ();
sections . next . next . next = new SectionPlane ();
sections . next . next . next . next = new SectionPlane ();
sections . next . next . next . next . next = new SectionPlane ();
this . mapSize = mapSize ;
this . pcfOffset = pcfOffset ;
@@ -93,7 +110,7 @@ package alternativa.engine3d.shadows {
fragmentShadowProcedure = _pcfOffset > 0 ? getFShaderPCF () : getFShader ();
debugMaterial = new ShadowDebugMaterial ();
debugMaterial . alpha = 1.0 ;
debugMaterial . alpha = 0.3 ;
for ( var i : int = 0 ; i < 6 ; i ++ ) {
// Create cameras
@@ -101,8 +118,6 @@ package alternativa.engine3d.shadows {
var cam : Camera3D = new Camera3D ( 10 , radius );
cam . fov = 1.910633237 ;
cameras [ i ] = cam ;
prevActualCasterCountForEdge [ i ] = 0 ;
}
// Left
@@ -131,27 +146,16 @@ package alternativa.engine3d.shadows {
cameras [ 4 ]. scaleY = - 1 ;
cameras [ 4 ]. composeTransforms ();
// DUBFLR
// TODO: boundBox of light?
// TODO: remove setBoundSize
// TODO: overwrite calculateFrustum function or setTransformConstants function
// TODO: 2 step culling. 1-culling by radius for light. 2-culling for current camera by 4 planes
}
/**
* @private
*/
alternativa3d function setBoundSize ( value : Number ) : void {
this . radius = value ;
for ( var i : int = 0 ; i < 6 ; i ++ ) {
var cam : Camera3D = cameras [ i ];
cam . farClipping = value ;
cam . calculateProjection ( value , value );
}
}
private function createDebugObject ( material : Material , context : Context3D ) : Mesh {
var geometry : Geometry ;
var mesh : Mesh ;
// TODO: определиться куб или сфера
var isBox : Boolean = false ;
if ( isBox ) {
mesh = new Mesh ();
@@ -207,77 +211,89 @@ package alternativa.engine3d.shadows {
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 );
}
prevActualCastersMask = 63 ;
}
// Calculate parameters
radius = OmniLight ( _light ). attenuationEnd ;
for ( i = 0 ; i < 6 ; i ++ ) {
var cam : Camera3D = cameras [ i ];
cam . farClipping = radius ;
cam . calculateProjection ( radius , radius );
}
var castersCount : int = _casters . length ;
// calculating some transformation matrices
// TODO: skip invisible objects
actualCastersCount = 0 ;
for ( i = 0 ; i < castersCount ; i ++ ) {
caster = _casters [ i ];
if ( caster . transformChanged ) caster . composeTransforms () ;
caster . lightToLocalTransform . combin e( caster . cameraToLocalTransform , _light . localToCameraTransform );
caster . localToLightTransform . combine ( _light . cameraToLocalTransform , caster . localToCameraTransform ) ;
var skin : Skin = caster as Skin ;
if ( skin != null ) {
// Calculate joints matrices
for ( var child : Object3D = skin . childrenList ; child != null ; child = child . next ) {
if ( child . transformChanged ) child . composeTransforms ();
// Write transformToSkin matrix to localToGlobalTransform property
child . localToGlobalTransform . copy ( child . transform );
if ( child is Joint ) {
Joint ( child ). calculateTransform ();
}
skin . calculateJointsTransforms ( child );
}
var visible : Boolean = caster . visible
var parent : Object3D = caster . _parent ;
whil e ( visible && parent != null ) {
visible = parent . visible
parent = parent . _parent ;
}
if ( caster . childrenList != null ) calculateChildrenTransforms ( caster );
if ( visible ) {
// calculate transform matrices
_light . lightToObjectTransform . combine ( caster . cameraToLocalTransform , _light . localToCameraTransform );
caster . localToLightTransform . combine ( _light . cameraToLocalTransform , caster . localToCameraTransform );
// collect actualCasters for light
if ( caster . boundBox == null || OmniLight ( _light ). checkBound ( caster )){
actualCasters [ actualCastersCount ] = caster ;
actualCastersCount ++;
if ( caster . boundBox != null ) {
// 1 - calculate planes in object space
calculatePlanes ( _light . lightToObjectTransform );
// 2 - check object location cameras (sections)
caster . cameras = recognizeObjectCameras ( caster . boundBox );
}
} else {
caster . cameras = 63 ;
}
// update Skin Joints matrices
var skin : Skin = caster as Skin ;
if ( skin != null ) {
// Calculate joints matrices
for ( var child : Object3D = skin . childrenList ; child != null ; child = child . next ) {
if ( child . transformChanged ) child . composeTransforms ();
// Write transformToSkin matrix to localToGlobalTransform property
child . localToGlobalTransform . copy ( child . transform );
if ( child is Joint ) {
Joint ( child ). calculateTransform ();
}
skin . calculateJointsTransforms ( child );
}
}
if ( caster . childrenList != null ) collectActualChildren ( caster );
}
}
// Iterate through six cameras
for ( i = 0 ; i < 6 ; i ++ ) {
// Cube side camera
var edgeCamera : Camera3D = cameras [ i ];
// проверяем, есть ли видимые кастеры попадающие на грань куба
actualCastersCount = 0 ;
numCulled = 0 ;
// var flipX:Boolean = edgeCamera.scaleX < 0;
// var flipY:Boolean = edgeCamera.scaleY < 0;
// edgeCamera.scaleX = 1;
// edgeCamera.scaleY = 1;
// edgeCamera.composeTransforms();
var flipX : Boolean = . < 0 ;
var flipY : Boolean = . < 0 ;
. scaleX = 1 ;
edgeCamera . scaleY = 1 ;
edgeCamera . composeTransforms ();
for ( j = 0 ; j < castersCount ; j ++ ) {
caster = _casters [ j ];
var visible : Boolean = caster . visible ;
var parent : Object3D = caster . _parent ;
while ( visible && parent != null ) {
visible = parent . visible ;
parent = parent . _parent ;
}
if ( visible ) {
// Проверка куллинга
// формируем actualCasters
calculateVisibility ( caster , edgeCamera );
}
}
// trace("face:" + i + " culled:" + numCulled + " rest:" + actualCastersCount);
if ( flipX ) edgeCamera . scaleX = - 1 ;
if ( flipY ) edgeCamera . scaleY = - 1 ;
edgeCamera . composeTransforms ();
// if (flipX) edgeCamera. scaleX = -1;
// if (flipY) edgeCamera. scaleY = -1;
// edgeCamera.composeTransforms();
var edgeBit : int = ( 1 << i );
if ( actualCastersCount > 0 ) {
// Настройка параметров рендеринга:
renderer . camera = camera ;
@@ -287,33 +303,59 @@ package alternativa.engine3d.shadows {
// Пробегаемся по кастерам
for ( j = 0 ; j < actualCastersCount ; j ++ ) {
caster = actualCasters [ j ];
// собираем матрицу перевода из кастера в пространство edgeCamera
casterToEdgedCameraTransform . combine ( edgeCamera . inverseTransform , caster . localToLightTransform );
// Собираем драуколлы для кастера и е г о
collectDraws ( context , caster , );
// Проверить находится ли кастер в зоне 4-х
if ( caster . cameras & edgeBit ) {
// собираем матрицу перевода из кастера в пространство edgeCamera
casterToEdgedCameraTransform . combine ( edgeCamera . inverseTransform , caster . localToLightTransform );
// Собираем драуколлы для кастера и е г о
collectDraws ( context , caster , edgeCamera );
}
}
if ( renderer . drawUnits . length == 0 ) context . clear ( 0 , 0 , 0 , 0.0 );
// Отрисовка дроуколов
renderer . render ( context );
prevActualCastersMask |= edgeBit ;
}
else {
// Если относительно одной из камер ничего не менялось, не вызываем отрисовочный вызов
if ( prevActualCasterCountForEdge [ i ] != 0 ){
if ( prevActualCastersMask & edgeBit ){
context . setRenderToTexture ( cubeShadowMap , false , 0 , i );
context . clear ( 1 , 0 , 0 , 0 );
context . clear ( 0 , 0 , 0 , 0 );
prevActualCastersMask &= ~ edgeBit ;
}
}
prevActualCasterCountForEdge [ i ] = actualCastersCount ;
}
context . setRenderToBackBuffer ();
// // Пробегаемся по кастерам
// for (j = 0; j < actualCastersCount; j++) {
// caster = actualCasters[j];
// caster.culling &= 0x8000003F;
//
// // Проверить находится ли кастер в зоне 4-х
// if (caster.culling & (edgeBit << 8)) {
// // собираем матрицу перевода из кастера в пространство edgeCamera
// casterToEdgedCameraTransform.combine(edgeCamera.inverseTransform, caster.localToLightTransform);
// // Собираем драуколлы для кастера и е г о
// collectDraws(context, caster, edgeCamera);
// }
// }
if ( debug ) {
if ( actualCastersCount > 0 ) {
if ( actualCastersCount > 0 || true ) {
// TODO: draw debug mesh always (DirectionalLightShadow)
// Создаем дебаговый объект, если он не создан
if ( debugObject == null ) {
debugObject = createDebugObject ( debugMaterial , camera . context3D );
debugObject . scaleX = debugObject . scaleY = debugObject . scaleZ = radius / 12 ;
// TODO: select wright radius
// debugObject.scaleX = debugObject.scaleY = debugObject.scaleZ = radius/12;
debugObject . scaleX = debugObject . scaleY = debugObject . scaleZ = radius ;
debugObject . composeTransforms ();
}
@@ -327,69 +369,205 @@ package alternativa.engine3d.shadows {
}
}
// Precalculate children matrices
// localToLightTransform, lightToLocalTransform, transform, и calculateTransform для Joint
private function calculateChildrenTransforms ( root : Object3D ) : void {
for ( var child : Object3D = root . childrenList ; child != null ; child = child . next ) {
private var sections : SectionPlane ;
// расчет матриц трансформаций для объектов
// if (child.transformChanged) child.composeTransforms();
// child.localToLightTransform.combine(root.localToLightTransform, child.transform);
// child.lightToLocalTransform.combine(child.inverseTransform, root.lightToLocalTransform);
private function calculatePlanes ( lightToObjectTransform : Transform3D ) : void {
var planeRU : SectionPlane = sections ;
var planeLU : SectionPlane = sections . next ;
child . lightToLocalTransform . combine ( child . cameraToLocalTransform , _light . localToCameraTransform ) ;
child . localToLightTransform . combine ( _light . cameraToLocalTransform , child . localToCameraTransform ) ;
sections . x = 0.707
sections . z = 0.707
sections . offset = sections . x * lightToObjectTransform . d + sections . z * lightToObjectTransform . l ;
var skin : Skin = child as Skin ;
if ( skin != null ) {
// Calculate joints matrices
for ( var skinChild : Object3D = skin . childrenList ; skinChild != null ; skinChild = skinChild . next ) {
if ( skinChild . transformChanged ) skinChild . composeTransforms ();
// Write transformToSkin matrix to localToGlobalTransform property
skinChild . localToGlobalTransform . copy ( skinChild . transform );
if ( skinChild is Joint ) {
Joint ( skinChild ). calculateTransform () ;
//var RIGHT_SIDE:int = 0;
sections . frontCameras = 0x11 ;
sections . backCameras = 0x22 ;
// sections.unused = 0x33;
sections . unused = 0 xC ;
planeLU . x = - 0.707 ;
planeLU . z = 0.707
planeLU . offset = planeLU . x * lightToObjectTransform . d + planeLU . z * lightToObjectTransform . l ;
planeLU . frontCameras = 0x12 ;
planeLU . backCameras = 0x21 ;
planeLU . unused = 0 xC ;
// var nearPlane:CullingPlane = sections;
// var farPlane:CullingPlane = nearPlane.next;
// var leftPlane:CullingPlane = farPlane.next;
// var rightPlane:CullingPlane = leftPlane.next;
// var topPlane:CullingPlane = rightPlane.next;
// var bottomPlane:CullingPlane = topPlane.next;
//
// var fa:Number = transform.a * correctionX;
// var fe:Number = transform.e * correctionX;
// var fi:Number = transform.i * correctionX;
// var fb:Number = transform.b * correctionY;
// var ff:Number = transform.f * correctionY;
// var fj:Number = transform.j * correctionY;
//
// var ax:Number = -fa - fb + transform.c;
// var ay:Number = -fe - ff + transform.g;
// var az:Number = -fi - fj + transform.k;
// var bx:Number = fa - fb + transform.c;
// var by:Number = fe - ff + transform.g;
// var bz:Number = fi - fj + transform.k;
// topPlane.x = bz * ay - by * az;
// topPlane.y = bx * az - bz * ax;
// topPlane.z = by * ax - bx * ay;
// topPlane.offset = transform.d * topPlane.x + transform.h * topPlane.y + transform.l * topPlane.z;
// // Right plane.
// ax = bx;
// ay = by;
// az = bz;
// bx = fa + fb + transform.c;
// by = fe + ff + transform.g;
// bz = fi + fj + transform.k;
// rightPlane.x = bz * ay - by * az;
// rightPlane.y = bx * az - bz * ax;
// rightPlane.z = by * ax - bx * ay;
// rightPlane.offset = transform.d * rightPlane.x + transform.h * rightPlane.y + transform.l * rightPlane.z;
// // Bottom plane.
// ax = bx;
// ay = by;
// az = bz;
// bx = -fa + fb + transform.c;
// by = -fe + ff + transform.g;
// bz = -fi + fj + transform.k;
// bottomPlane.x = bz*ay - by*az;
// bottomPlane.y = bx*az - bz*ax;
// bottomPlane.z = by*ax - bx*ay;
// bottomPlane.offset = transform.d*bottomPlane.x + transform.h*bottomPlane.y + transform.l*bottomPlane.z;
// // Left plane.
// ax = bx;
// ay = by;
// az = bz;
// bx = -fa - fb + transform.c;
// by = -fe - ff + transform.g;
// bz = -fi - fj + transform.k;
// leftPlane.x = bz*ay - by*az;
// leftPlane.y = bx*az - bz*ax;
// leftPlane.z = by*ax - bx*ay;
// leftPlane.offset = transform.d*leftPlane.x + transform.h*leftPlane.y + transform.l*leftPlane.z;
}
private function recognizeObjectCameras ( bb : BoundBox ) : int {
var culling : int = 63 ;
for ( var plane : SectionPlane = sections ; plane != null ; plane = plane . next ) {
var result : int = 0 ;
if ( plane . x >= 0 )
if ( plane . y >= 0 )
if ( plane . z >= 0 ) {
if ( bb . maxX * plane . x + bb . maxY * plane . y + bb . maxZ * plane . z >= plane . offset ) result = plane . frontCameras ;
if ( bb . minX * plane . x + bb . minY * plane . y + bb . minZ * plane . z < plane . offset ) result |= plane . backCameras ;
} else {
if ( bb . maxX * plane . x + bb . maxY * plane . y + bb . minZ * plane . z >= plane . offset ) result = plane . frontCameras ;
if ( bb . minX * plane . x + bb . minY * plane . y + bb . maxZ * plane . z < plane . offset ) result |= plane . backCameras ;
}
skin . calculateJointsTransforms ( skinChild );
else
if ( plane . z >= 0 ) {
if ( bb . maxX * plane . x + bb . minY * plane . y + bb . maxZ * plane . z >= plane . offset ) result = plane . frontCameras ;
if ( bb . minX * plane . x + bb . maxY * plane . y + bb . minZ * plane . z < plane . offset ) result |= plane . backCameras ;
} else {
if ( bb . maxX * plane . x + bb . minY * plane . y + bb . minZ * plane . z >= plane . offset ) result = plane . frontCameras ;
if ( bb . minX * plane . x + bb . maxY * plane . y + bb . maxZ * plane . z < plane . offset ) result |= plane . backCameras ;
}
else if ( plane . y >= 0 )
if ( plane . z >= 0 ) {
if ( bb . minX * plane . x + bb . maxY * plane . y + bb . maxZ * plane . z >= plane . offset ) result = plane . frontCameras ;
if ( bb . maxX * plane . x + bb . minY * plane . y + bb . minZ * plane . z < plane . offset ) result |= plane . backCameras ;
} else {
if ( bb . minX * plane . x + bb . maxY * plane . y + bb . minZ * plane . z >= plane . offset ) result = plane . frontCameras ;
if ( bb . maxX * plane . x + bb . minY * plane . y + bb . maxZ * plane . z < plane . offset ) result |= plane . backCameras ;
}
}
if ( child . childrenList != null ) calculateChildrenTransforms ( child ) ;
}
}
private static var numCulled : int ;
// собирает список actualCasters для одной из 6-и камер
private function calculateVisibility ( root : Object3D , camera : Camera3D ) : void {
var casterCulling : int ;
if ( root . visible ) {
// Вычисляем результат кулинга для объекта
if ( root . boundBox != null ) {
edgeCameraToCasterTransform . combine ( root . lightToLocalTransform , camera . transform );
camera . calculateFrustum ( edgeCameraToCasterTransform );
casterCulling = root . boundBox . checkFrustumCulling ( camera . frustum , 63 );
else if ( plane . z >= 0 ) {
if ( bb . minX * plane . x + bb . minY * plane . y + bb . maxZ * plane . z >= plane . offset ) result = plane . frontCameras ;
if ( bb . maxX * plane . x + bb . maxY * plane . y + bb . minZ * plane . z < plane . offset ) result |= plane . backCameras
} else {
casterCulling = 63 ;
if ( bb . minX * plane . x + bb . minY * plane . y + bb . minZ * plane . z >= plane . offset ) result = plane . frontCameras ;
if ( bb . maxX * plane . x + bb . maxY * plane . y + bb . maxZ * plane . z < plane . offset ) result |= plane . backCameras ;
}
culling &= result | plane . unused ;
}
return culling ;
}
if ( casterCulling <= 0 ) numCulled ++;
private function collectActualChildren ( root : Object3D ) : void {
for ( var child : Object3D = root . childrenList ; child != null ; child = child . next ) {
if ( child . visible ){
// calculate transform matrices
_light . lightToObjectTransform . combine ( child . cameraToLocalTransform , _light . localToCameraTransform );
child . localToLightTransform . combine ( _light . cameraToLocalTransform , child . localToCameraTransform );
// добавляем кастер в список актуальных кастеров
if ( casterCulling >= 0 )
actualCasters [ actualCastersCount ] = root ;
actualCastersCount ++
}
// collect actualCasters for light
if ( child . boundBox == null || OmniLight ( _light ). checkBound ( child )) {
actualCasters [ actualCastersCount ] = child ;
actualCastersCount ++;
// Если есть дочерние объекты,
// Проверяем их на кулинг
for ( var child : Object3D = root . childrenList ; child != null ; child = child . next ) {
calculateVisibility ( child , camera );
if ( child . boundBox != null ) {
// 1 - calculate planes in object space
calculatePlanes ( _light . lightToObjectTransform );
// 2 - check object location cameras (sections)
child . cameras = recognizeObjectCameras ( child . boundBox );
}
} else {
child . cameras = 63 ;
}
// update Skin Joints matrices
var skin : Skin = child as Skin ;
if ( skin != null ) {
// Calculate joints matrices
for ( var skinChild : Object3D = skin . childrenList ; skinChild != null ; skinChild = skinChild . next ) {
if ( skinChild . transformChanged ) skinChild . composeTransforms ();
// Write transformToSkin matrix to localToGlobalTransform property
skinChild . localToGlobalTransform . copy ( skinChild . transform );
if ( skinChild is Joint ) {
Joint ( skinChild ). calculateTransform ();
}
skin . calculateJointsTransforms ( skinChild );
}
}
if ( child . childrenList != null ) collectActualChildren ( child );
}
}
}
// // собирает список actualCasters для одной из 6-и камер
// private function calculateVisibility(root:Object3D, camera:Camera3D):void{
// var casterCulling:int;
//
// if (root.visible) {
// // Вычисляем результат кулинга для объекта
// if (root.boundBox != null) {
// edgeCameraToCasterTransform.combine(root.lightToLocalTransform, camera.transform);
// camera.calculateFrustum(edgeCameraToCasterTransform);
// casterCulling = root.boundBox.checkFrustumCulling(camera.frustum, 63);
// } else {
// casterCulling = 63;
// }
//
// if (casterCulling <= 0) numCulled++;
//
// // добавляем кастер в список актуальных кастеров
// if (casterCulling >= 0) {
// actualCasters[actualCastersCount] = root;
// actualCastersCount++
// }
//
// // Если есть дочерние объекты,
// // Проверяем их на кулинг
// for (var child:Object3D = root.childrenList; child != null; child = child.next) {
// calculateVisibility(child, camera);
// }
// }
// }
private function collectDraws ( context : Context3D , caster : Object3D , edgeCamera : Camera3D ) : void {
// если объект является мешем, собираем для него дроуколы
var mesh : Mesh = caster as Mesh ;
@@ -587,10 +765,10 @@ package alternativa.engine3d.shadows {
// Устанавливаем коеффициенты
// TODO: сделать множитель более корректный. Возможно 65536 (разрешающая способность глубины буфера).
if ( _pcfOffset > 0 ) {
var offset : Number = Math . tan ( _pcfOffset /180*Math.PI)/ 3 ;
var offset : Number = _pcfOffset * 0.0175 ; //TODO: make equivalent 1 offset ~ 1 degree
drawUnit . setFragmentConstantsFromNumbers ( fragmentLinker . getVariableIndex ( "cPCFOffsets" ) , - 3 /2, 1/ 16 , 0 , 0 );
drawUnit . setFragmentConstantsFromNumbers ( fragmentLinker . getVariableIndex ( "cConstants" ) , - 1 , 1 , 0 , offset / radius );
drawUnit . setFragmentConstantsFromNumbers ( fragmentLinker . getVariableIndex ( "cConstants" ) , - 1 , 1 , 0 , offset );
drawUnit . setFragmentConstantsFromNumbers ( fragmentLinker . getVariableIndex ( "cDecode" ) , - 10000 , - 10000 /255, biasMultiplier*10000/ radius , 10 );
}
else {
@@ -781,6 +959,7 @@ package alternativa.engine3d.shadows {
/**
* Смещение Percentage Closer Filtering. Этот способ фильтрации используется для смягчения границ тени.
* 1 pcfOffset equivalent 1 degree for all blur
*/
public function get pcfOffset () : Number {
return _pcfOffset ;
@@ -816,6 +995,7 @@ import alternativa.engine3d.resources.Geometry;
import flash . display3D . Context3D ;
import flash . display3D . Context3DBlendFactor ;
import flash . display3D . Context3DProgramType ;
import flash . display3D . Context3DTriangleFace ;
import flash . display3D . VertexBuffer3D ;
import flash . display3D . textures . CubeTexture ;
import flash . utils . Dictionary ;
@@ -869,17 +1049,35 @@ class ShadowDebugMaterial extends Material {
drawUnit . setProjectionConstants ( camera , program . vertexShader . getVariableIndex ( "cProjMatrix" ) , object . localToCameraTransform );
drawUnit . setFragmentConstantsFromNumbers ( program . fragmentShader . getVariableIndex ( "cDecode" ) , 1 , 1 / 255 , 0 , alpha );
drawUnit . setTextureAt ( program . fragmentShader . getVariableIndex ( "sCubeMap" ) , cubeMap );
// TODO: draw two-sided debug mesh
var drawUnit2 : DrawUnit = camera . renderer . createDrawUnit ( object , program . program , geometry . _indexBuffer , surface . indexBegin , surface . numTriangles , program );
// Установка стримов
drawUnit2 . setVertexBufferAt ( program . vertexShader . getVariableIndex ( "aPosition" ) , positionBuffer , geometry . _attributesOffsets [ VertexAttributes . POSITION ] , VertexAttributes . FORMATS [ VertexAttributes . POSITION ]);
// Установка констант
drawUnit2 . setProjectionConstants ( camera , program . vertexShader . getVariableIndex ( "cProjMatrix" ) , object . localToCameraTransform );
drawUnit2 . setFragmentConstantsFromNumbers ( program . fragmentShader . getVariableIndex ( "cDecode" ) , 1 , 1 / 255 , 0 , alpha );
drawUnit2 . setTextureAt ( program . fragmentShader . getVariableIndex ( "sCubeMap" ) , cubeMap );
drawUnit2 . culling = Context3DTriangleFace . BACK ;
// Отправка на отрисовку
if ( alpha < 1 ) {
drawUnit . blendSource = Context3DBlendFactor . SOURCE_ALPHA ;
drawUnit . blendDestination = Context3DBlendFactor . ONE_MINUS_SOURCE_ALPHA ;
drawUnit2 . blendSource = Context3DBlendFactor . SOURCE_ALPHA ;
drawUnit2 . blendDestination = Context3DBlendFactor . ONE_MINUS_SOURCE_ALPHA ;
camera . renderer . addDrawUnit ( drawUnit2 , objectRenderPriority >= 0 ? objectRenderPriority : Renderer . TRANSPARENT_SORT );
camera . renderer . addDrawUnit ( drawUnit , objectRenderPriority >= 0 ? objectRenderPriority : Renderer . TRANSPARENT_SORT );
} else {
camera . renderer . addDrawUnit ( drawUnit2 , objectRenderPriority >= 0 ? objectRenderPriority : Renderer . OPAQUE );
camera . renderer . addDrawUnit ( drawUnit , objectRenderPriority >= 0 ? objectRenderPriority : Renderer . OPAQUE );
}
}
private function copyDrawUnit ( source : DrawUnit , dest : DrawUnit ) : void {
}
private function setupProgram ( object : Object3D ) : ShaderProgram {
var vertexLinker : Linker = new Linker ( Context3DProgramType . VERTEX );
var positionVar : String = "aPosition" ;
@@ -911,3 +1109,17 @@ class ShadowDebugMaterial extends Material {
}
class SectionPlane {
public var x : Number = 0 ;
public var y : Number = 0 ;
public var z : Number = 0 ;
public var offset : Number = 0 ;
public var next : SectionPlane ;
public var frontCameras : int ;
public var backCameras : int ;
public var unused : int = 63 ;
}
Leonid Gaev