-
Notifications
You must be signed in to change notification settings - Fork 22
/
ImplSceneVisualGroup.hpp
227 lines (193 loc) · 9.61 KB
/
ImplSceneVisualGroup.hpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
#ifndef IMPL_SCENE_VISUAL_GROUPNew_H
#define IMPL_SCENE_VISUAL_GROUPNew_H
#include <set>
#include <GisMath/GisMath.h>
#include <Inner/Common/ImplSceneGroup.hpp>
#include <Inner/ILoadResource.h>
#include <Plot/Map/IMapLocation.h>
#include <osgDB/WriteFile>
/**
* 实现ISceneVisualGroupNew的接口
*/
template <typename T>
class ImplSceneVisualGroupNew:public ImplSceneGroup<T>
{
public:
CONSTRUCTOR(ImplSceneVisualGroupNew,ImplSceneGroup<T>)
protected:
void InitNode()
{
ImplSceneNode<T>::InitNode();
m_pTexture2D = new osg::Texture2D;
m_pTexture2D->setTextureSize(1024, 1024);
m_pTexture2D->setInternalFormat(GL_DEPTH_COMPONENT);
m_pTexture2D->setSourceFormat(GL_DEPTH_COMPONENT);
m_pTexture2D->setSourceType(GL_FLOAT);
m_pTexture2D->setFilter(osg::Texture2D::MIN_FILTER, osg::Texture2D::LINEAR);
m_pTexture2D->setFilter(osg::Texture2D::MAG_FILTER, osg::Texture2D::LINEAR);
m_pTexture2D->setWrap(osg::Texture::WRAP_S, osg::Texture::CLAMP_TO_EDGE);
m_pTexture2D->setWrap(osg::Texture::WRAP_T, osg::Texture::CLAMP_TO_EDGE);
m_pCamera = new osg::Camera();
m_pCamera->setReferenceFrame(osg::Transform::ABSOLUTE_RF);
m_pCamera->setComputeNearFarMode(osg::Camera::DO_NOT_COMPUTE_NEAR_FAR);
m_pCamera->setRenderTargetImplementation(osg::Camera::FRAME_BUFFER_OBJECT);
m_pCamera->setRenderOrder(osg::Camera::PRE_RENDER);
m_pCamera->setViewport(0, 0, 1024, 1024);
m_pCamera->attach(osg::Camera::DEPTH_BUFFER, m_pTexture2D.get());
// osg::Image* pImage = new osg::Image;
// pImage->allocateImage(1024,1024,1,GL_RGBA,GL_UNSIGNED_BYTE);
// m_pCamera->attach(osg::Camera::COLOR_BUFFER,pImage);
// m_pCamera->setPostDrawCallback(new MyCameraPostDrawCallback(pImage));
m_pTextureProjMatrix = new osg::Uniform(osg::Uniform::FLOAT_MAT4,"textureProjMatrix");
m_pTextureViewMatrix = new osg::Uniform(osg::Uniform::FLOAT_MAT4,"textureViewMatrix");
m_pHiddenColor = new osg::Uniform("hiddenColor", osg::Vec4(1.0, 0.0, 0.0, 1.0));
m_pVisibleColor = new osg::Uniform("visibleColor", osg::Vec4(0.0, 1.0, 0.0, 1.0));
m_pDepthTexture = new osg::Uniform("depthTexture",1);
m_pDepthTexture = new osg::Uniform("depthTexture",1);
m_pFar = new osg::Uniform(osg::Uniform::FLOAT,"fFar");
m_pNear = new osg::Uniform(osg::Uniform::FLOAT,"fNear");
m_pCamera->getOrCreateStateSet()->setDefine("VISUAL_CAMERA");
ImplSceneGroup<T>::SetGroupNode(m_pCamera.get());
}
/// 更新
void FrameCall()
{
if(m_bParameterChanged||m_bChildInsert)
{
/// 设置投影矩阵
m_pCamera->setProjectionMatrixAsPerspective(T::m_dFovy,T::m_dAspect,
T::m_stViewPoint.fDistance*1e-4,T::m_stViewPoint.fDistance);
m_pFar->set(T::m_stViewPoint.fDistance);
m_pNear->set(float(T::m_stViewPoint.fDistance*1e-4));
IMapLocation* temp_Location=nullptr;
for(auto one : m_listInsertChild)
{
for(auto oneSceneNode :this->m_setChildNode)
{
if(one == oneSceneNode->AsOsgSceneNode()->GetRealNode())
{
oneSceneNode->StateSet()|=VISUAL_STATE;
one->setStateSet(T::m_pSceneGraph->ResouceLoader()->GetOrCreateStateSet(oneSceneNode->StateSet()));
temp_Location=dynamic_cast<IMapLocation*>(oneSceneNode);
}
}
if(temp_Location)
{
//摄像机位置
ScenePos temp_CameraPos=T::m_stViewPoint.stPos;
//模型的位置
ScenePos temp_LocationPos=temp_Location->GeoPos();
//模型的经纬度或者是XYZ(与T::m_bIsGeoPos有关)
double temp_LocalX,temp_LocalY,temp_LocalZ;
temp_LocalX=temp_LocalY=temp_LocalZ=0;
temp_LocalX=temp_LocationPos.dX;
temp_LocalY=temp_LocationPos.dY;
temp_LocalZ=temp_LocationPos.dZ;
//calculate camera location pos
osg::Vec3d eye,center,up;
// 位置是否是地理信息 xyz
if(T::m_bIsGeoPos)
{
//摄像机：局部东北天坐标 转换成 全局坐标 的转换矩阵
Math::CMatrix local2Global = GisMath::LOCAL2GLOBAL(T::m_stViewPoint.stPos.dX*DD2R,T::m_stViewPoint.stPos.dY*DD2R);
//摄像机： 计算射线方线
Math::CVector vLocal = Math::CVecMat::VecPolar((90-T::m_stViewPoint.fAzimuth)*DD2R,T::m_stViewPoint.fElev*DD2R
,T::m_stViewPoint.fDistance);
//得出摄像机的
Math::CVector vGlobal=local2Global*vLocal;
// 将摄像机的经纬度转成 xyz
double dX,dY,dZ;
GisMath::LBH2XYZ(T::m_stViewPoint.stPos.dX*DD2R,T::m_stViewPoint.stPos.dY*DD2R,T::m_stViewPoint.stPos.dZ,
dX,dY,dZ);
//计算摄像机中心点xyz
vGlobal(0) += dX;
vGlobal(1) += dY;
vGlobal(2) += dZ;
//摄像机的位置-模型位置=相对的位置（xyz）
ScenePos tempPos;
tempPos.dX=dX-temp_LocalX;
tempPos.dY=dY-temp_LocalY;
tempPos.dZ=dZ-temp_LocalZ;
eye.set(tempPos.dX,tempPos.dY,tempPos.dZ);
//计算摄像机中心点相对位置（xyz)
tempPos.dX=vGlobal.GetX()-temp_LocalX;
tempPos.dY=vGlobal.GetY()-temp_LocalY;
tempPos.dZ=vGlobal.GetZ()-temp_LocalZ;
center.set(tempPos.dX,tempPos.dY,tempPos.dZ);
//计算上方点位置
vLocal.Set(0,0,1);
vGlobal = local2Global*vLocal;
tempPos.dX=vGlobal.GetX();
tempPos.dY=vGlobal.GetY();
tempPos.dZ=vGlobal.GetZ();
up.set(tempPos.dX,tempPos.dY,tempPos.dZ);
}
else
{
eye.set(T::m_stViewPoint.stPos.dX-temp_LocalX,
T::m_stViewPoint.stPos.dY-temp_LocalY,
T::m_stViewPoint.stPos.dZ-temp_LocalZ);
Math::CVector vLocal = Math::CVecMat::VecPolar(
(90-T::m_stViewPoint.fAzimuth)*DD2R,
T::m_stViewPoint.fElev*DD2R,
T::m_stViewPoint.fDistance);
center.set(T::m_stViewPoint.stPos.dX+vLocal.GetX()-temp_LocalX,
T::m_stViewPoint.stPos.dY+vLocal.GetY()-temp_LocalY,
T::m_stViewPoint.stPos.dZ+vLocal.GetZ()-temp_LocalZ);
up.set(0.,0.,1.);
}
m_pCamera->setViewMatrixAsLookAt(eye,center,up);
m_pTextureViewMatrix->set(m_pCamera->getViewMatrix());
m_pTextureProjMatrix->set(m_pCamera->getProjectionMatrix());
//m_bParameterChanged=false;
}
one->getOrCreateStateSet()->setTextureAttribute(1, m_pTexture2D.get());
one->getOrCreateStateSet()->addUniform(m_pTextureProjMatrix);
one->getOrCreateStateSet()->addUniform(m_pTextureViewMatrix);
one->getOrCreateStateSet()->addUniform(m_pDepthTexture);
one->getOrCreateStateSet()->addUniform(m_pVisibleColor);
one->getOrCreateStateSet()->addUniform(m_pHiddenColor);
one->getOrCreateStateSet()->addUniform(m_pFar);
one->getOrCreateStateSet()->addUniform(m_pNear);
}
m_listInsertChild.clear();
m_bChildInsert=false;
}
ImplSceneGroup<T>::FrameCall();
}
/// 增加了一个节点
void InsertChildNode(osg::Node* pNode)
{
SET_TRUE_NODE_UPDATE(m_bChildInsert)
m_listInsertChild.push_back(pNode);
}
/// 删除了一个节点
void RemoveChildNode(osg::Node* pNode)
{
for(auto oneSceneNode :this->m_setChildNode)
{
if(pNode == oneSceneNode->AsOsgSceneNode()->GetRealNode())
{
oneSceneNode->RemoveStateSet(VISUAL_STATE);
break;
}
}
}
/// 参数更新
void ParameterChanged()SET_TRUE_NODE_UPDATE(m_bParameterChanged)
protected:
osg::observer_ptr<osg::Camera> m_pCamera;
osg::ref_ptr<osg::Image> m_pImage;
osg::ref_ptr<osg::Texture2D> m_pTexture2D;
osg::ref_ptr<osg::Uniform> m_pTextureViewMatrix;
osg::ref_ptr<osg::Uniform> m_pTextureProjMatrix;
osg::ref_ptr<osg::Uniform> m_pDepthTexture;
osg::ref_ptr<osg::Uniform> m_pVisibleColor;
osg::ref_ptr<osg::Uniform> m_pHiddenColor;
osg::ref_ptr<osg::Uniform> m_pFar;
osg::ref_ptr<osg::Uniform> m_pNear;
std::list<osg::ref_ptr<osg::Node>> m_listInsertChild;
bool m_bParameterChanged{false};
bool m_bChildInsert{false};
};
#endif // IMPL_SCENE_GROUP_H