/* main function in embree namespace */
int main(int argc, char** argv)
{
/* for best performance set FTZ and DAZ flags in MXCSR control and status register */
_MM_SET_FLUSH_ZERO_MODE(_MM_FLUSH_ZERO_ON);
_MM_SET_DENORMALS_ZERO_MODE(_MM_DENORMALS_ZERO_ON);
/* initialize ray tracing core and force bvh4.triangle4v hierarchy for triangles */
rtcInit("tri_accel=bvh4.triangle4v");
/* set error handler */
rtcSetErrorFunction(error_handler);
/* create scene */
g_scene = rtcNewScene(RTC_SCENE_STATIC,RTC_INTERSECT1);
addCube(g_scene,Vec3fa(-1,0,0));
addCube(g_scene,Vec3fa(1,0,0));
addCube(g_scene,Vec3fa(0,0,-1));
addCube(g_scene,Vec3fa(0,0,1));
addHair(g_scene);
addGroundPlane(g_scene);
rtcCommit (g_scene);
/* print triangle BVH */
print_bvh(g_scene);
/* cleanup */
rtcDeleteScene (g_scene);
rtcExit();
return 0;
}
void CubeValidator::addScan(std::vector<Cube> cubes)
{
numOfScans++;
for (std::vector<Cube>::iterator it = cubes.begin(); it != cubes.end(); it++)
addCube(*it);
cleanup();
}
/* called by the C++ code for initialization */
extern "C" void device_init (char* cfg)
{
/* create new Embree device */
g_device = rtcNewDevice(cfg);
error_handler(nullptr,rtcDeviceGetError(g_device));
/* set error handler */
rtcDeviceSetErrorFunction2(g_device,error_handler,nullptr);
/* create scene */
RTCAlgorithmFlags aflags;
if (g_mode == MODE_NORMAL) aflags = RTC_INTERSECT1;
else aflags = RTC_INTERSECT1 | RTC_INTERSECT_STREAM;
g_scene = rtcDeviceNewScene(g_device, RTC_SCENE_STATIC | RTC_SCENE_HIGH_QUALITY,aflags);
/* add cube */
addCube(g_scene,Vec3fa(0.0f,0.0f,0.0f),Vec3fa(10.0f,1.0f,1.0f),45.0f);
//addSubdivCube(g_scene);
/* add ground plane */
addGroundPlane(g_scene);
/* commit changes to scene */
rtcCommit (g_scene);
/* set start render mode */
if (g_mode == MODE_NORMAL) renderTile = renderTileStandard;
else renderTile = renderTileStandardStream;
key_pressed_handler = device_key_pressed_default;
}
/* called by the C++ code for initialization */
extern "C" void device_init (int8* cfg)
{
/* initialize ray tracing core */
rtcInit(cfg);
/* set error handler */
rtcSetErrorFunction(error_handler);
/* create scene */
g_scene = rtcNewScene(RTC_SCENE_DYNAMIC | RTC_SCENE_ROBUST,RTC_INTERSECT1);
/* add cube */
addCube(g_scene);
/* add ground plane */
addGroundPlane(g_scene);
/* commit changes to scene */
#if !defined(PARALLEL_COMMIT)
rtcCommit (g_scene);
#else
launch[ getNumHWThreads() ] parallelCommit(g_scene);
#endif
/* set start render mode */
renderPixel = renderPixelStandard;
}
/* called by the C++ code for initialization */
extern "C" void device_init (char* cfg)
{
/* create new Embree device */
g_device = rtcNewDevice(cfg);
/* configure the size of the software cache used for subdivision geometry */
rtcDeviceSetParameter1i(g_device,RTC_SOFTWARE_CACHE_SIZE,100*1024*1024);
/* set error handler */
rtcDeviceSetErrorFunction(g_device,error_handler);
/* create scene */
g_scene = rtcDeviceNewScene(g_device,RTC_SCENE_DYNAMIC | RTC_SCENE_ROBUST,RTC_INTERSECT1 | RTC_INTERPOLATE);
/* add ground plane */
addGroundPlane(g_scene);
/* add cube */
addCube(g_scene);
/* commit changes to scene */
rtcCommit (g_scene);
/* set start render mode */
renderPixel = renderPixelStandard;
key_pressed_handler = device_key_pressed_default;
}
static void makeCubes(std::vector<cube> &cubes, MString &name, MStatus *stat)
{
MFnMesh fnMesh;
MObject result;
MFloatPointArray points;
MIntArray faceCounts;
MIntArray faceConnects;
int index_offset = 0;
for (std::vector<cube>::iterator cit = cubes.begin(); cit != cubes.end(); ++cit)
{
point3 diag = cit->diagonal();
float scale = diag.x;
point3 pos = cit->start + (diag * .5f);
MFloatVector mpos(pos.x, pos.y, pos.z);
addCube(scale, mpos, index_offset * (8), points, faceCounts, faceConnects);
index_offset += 1;
}
unsigned int vtx_cnt = points.length();
unsigned int face_cnt = faceCounts.length();
MObject newMesh =
fnMesh.create(
/* numVertices */ vtx_cnt,
/* numFaces */ face_cnt,
points,
faceCounts,
faceConnects,
MObject::kNullObj,
stat);
/* Harden all edges. */
int n_edges = fnMesh.numEdges(stat);
for (int i = 0; i < n_edges; ++i)
{
fnMesh.setEdgeSmoothing(i, false);
}
fnMesh.cleanupEdgeSmoothing(); /* Must be called after editing edges. */
fnMesh.updateSurface();
/* Assign Shader. */
MSelectionList sel_list;
if (!MFAIL(sel_list.add("initialShadingGroup")))
{
MObject set_obj;
sel_list.getDependNode(0, set_obj);
MFnSet set(set_obj);
set.addMember(newMesh);
}
/* Give it a swanky name. */
MFnDagNode parent(fnMesh.parent(0));
name = parent.setName("polyMengerSponge", false, stat);
}
/* Top */
addLine(pOcc, x, y + h, z + d, x, y, z + d, x, y, z + d - .1f);
addLine(pOcc, x + w, y + h, z + d, x, y + h, z + d, x, y + h, z + d - .1f);
addLine(pOcc, x + w, y, z + d, x + w, y + h, z + d, x + w, y + h, z + d - .1f);
addLine(pOcc, x, y, z + d, x + w, y, z + d, x + w, y, z + d - .1f);
addLine(pOcc, x, y, z + d, x, y + h, z + d, x + .1f, y, z + d);
addLine(pOcc, x, y + h, z + d, x + w, y + h, z + d, x, y + h - .1f, z + d);
addLine(pOcc, x + w, y + h, z + d, x + w, y, z + d, x + w - .1f, y + h, z + d);
addLine(pOcc, x + w, y, z + d, x, y, z + d, x + w, y + .1f, z + d);
}
#if 0 /* No longer used */
void
addCubeCentered(Occluder * pOcc, float x, float y, float z, float w, float h, float d)
{
x -= w / 2.0f;
y -= h / 2.0f;
z -= d / 2.0f;
addCube(pOcc, x, y, z, w, h, d);
}
/**
* Draw a bounding box centered at (0,0,0) and translate and rotate it accordingly
*/
void visualization::DetectionVisualizer::visualizeBox(const detection::BoundingBox &box, const string id,
const Vec3f &translation,
const Eigen::Quaternionf &rotation)
{
removeShape(id);
addCube(translation, rotation,
box.getSize3D()[0],
box.getSize3D()[1],
box.getSize3D()[2],
id);
}
void Viewport::display() {
processEvents(); // 处理鼠标、键盘事件等相关回调
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // 清空当前Viewport中的缓冲
glLoadIdentity(); // 重置为单位矩阵
// 初始化相机的基本属性
glRotatef(camera.rotation.x, 1, 0, 0);
glRotatef(camera.rotation.y, 0, 1, 0);
glRotatef(camera.rotation.z, 0, 0, 1);
// 设置平移矩阵变换
glTranslatef(-camera.position.x, -camera.position.y, camera.position.z);
// 绘制一个三角形
glBegin(GL_TRIANGLES);
glColor3f(1.0, 0.0, 0.0);
glVertex3f(-1, 0, -3);
glColor3f(0.0, 1.0, -3);
glVertex3f(0, 2, -3);
glColor3f(0.0, 0.0, 1.0);
glVertex3f(1, 0, -3);
glEnd();
addCube(); // 绘制一个立方体
// Resources::load();
glBindTexture(GL_TEXTURE_2D, Resources::tex->textureID); // 绑定材质
glBegin(GL_QUADS);
glColor3f(1, 1, 1);
glTexCoord2f(100, 100);
glVertex3f(100, 0, 100);
glTexCoord2f(100, -100);
glVertex3f(-100, 0, 100);
glTexCoord2f(-100, -100);
glVertex3f(-100, 0, -100);
glTexCoord2f(-100, 100);
glVertex3f(100, 0, -100);
glEnd();
glBindTexture(GL_TEXTURE_2D, 0); // 结束绑定
glutSwapBuffers(); // 双缓冲显示模式
}
void NGLScene::keyPressEvent(QKeyEvent *_event)
{
// this method is called every time the main window recives a key event.
// we then switch on the key value and set the camera in the NGLScene
switch (_event->key())
{
// escape key to quite
case Qt::Key_Escape : QGuiApplication::exit(EXIT_SUCCESS); break;
// turn on wirframe rendering
case Qt::Key_W : glPolygonMode(GL_FRONT_AND_BACK,GL_LINE); break;
// turn off wire frame
case Qt::Key_S : glPolygonMode(GL_FRONT_AND_BACK,GL_FILL); break;
// show full screen
case Qt::Key_F : showFullScreen(); break;
// show windowed
case Qt::Key_N : showNormal(); break;
case Qt::Key_Space : m_car->reset(); break;
case Qt::Key_X : stepAnimation(); break;
case Qt::Key_1 : addCube(); break;
case Qt::Key_2 : addSphere(); break;
case Qt::Key_3 : addCapsule(); break;
case Qt::Key_4 : addCylinder(); break;
case Qt::Key_5 : addCone(); break;
case Qt::Key_6 : addMesh(TEAPOT); break;
case Qt::Key_7 : addMesh(APPLE); break;
/* case Qt::Key_Left : m_physics->addImpulse(ngl::Vec3(-5,0.0f,0.0f)); break;
case Qt::Key_Right : m_physics->addImpulse(ngl::Vec3(5.0f,0.0f,0.0f)); break;
case Qt::Key_Up : m_physics->addImpulse(ngl::Vec3(0.0f,5.0f,0.0f)); break;
case Qt::Key_Down : m_physics->addImpulse(ngl::Vec3(0.0f,-5.0f,0.0f)); break;
*/
case Qt::Key_Left : m_car->left(); break;
case Qt::Key_Right : m_car->right(); break;
case Qt::Key_Up : m_car->accelerate(); break;
case Qt::Key_Down : m_car->stop(); break;
case Qt::Key_B : toggleBBox(); break;
case Qt::Key_R : toggleRandomPlace(); break;
case Qt::Key_0 : resetSim(); break;
default : break;
}
// finally update the GLWindow and re-draw
//if (isExposed())
renderNow();
}
/* called by the C++ code for initialization */
extern "C" void device_init (char* cfg)
{
/* create scene */
g_scene = rtcNewScene(g_device);
rtcSetSceneFlags(g_scene,RTC_SCENE_FLAG_ROBUST);
/* add ground plane */
addGroundPlane(g_scene);
/* add cube */
addCube(g_scene);
/* commit changes to scene */
rtcCommitScene (g_scene);
/* set start render mode */
renderTile = renderTileStandard;
key_pressed_handler = device_key_pressed_default;
}
/* called by the C++ code for initialization */
extern "C" void device_init (int8* cfg)
{
/* initialize ray tracing core */
rtcInit(cfg);
/* create scene */
g_scene = rtcNewScene(RTC_SCENE_STATIC,RTC_INTERSECT1);
/* add cube */
addCube(g_scene);
/* add ground plane */
addGroundPlane(g_scene);
/* commit changes to scene */
rtcCommit (g_scene);
/* set start render mode */
renderPixel = renderPixelStandard;
}
/* called by the C++ code for initialization */
extern "C" void device_init (int8* cfg)
{
/* initialize ray tracing core */
rtcInit(cfg);
/* set error handler */
rtcSetErrorFunction(error_handler);
/* create scene */
g_scene = rtcNewScene(RTC_SCENE_DYNAMIC | RTC_SCENE_ROBUST,RTC_INTERSECT1);
/* add cube */
addCube(g_scene);
/* add ground plane */
addGroundPlane(g_scene);
/* set start render mode */
renderPixel = renderPixelStandard;
}
Renderer::Renderer(CubemapSource* cubemapSource)
:
al::OmniApp("AlloPlayer", false, 2048), resizeCtx(nullptr), cubemapSource(cubemapSource),
cubemap(nullptr), newCubemap(false)
{
nav().smooth(0.8);
// set up cube
cube.color(1,1,1,1);
cube.primitive(al::Graphics::TRIANGLES);
addCube(cube);
for (int i = 0; i < cube.vertices().size(); ++i) {
float f = (float)i / cube.vertices().size();
cube.color(al::Color(al::HSV(f, 1 - f, 1), 1));
}
cube.generateNormals();
// set up sphere
sphere.primitive(al::Graphics::TRIANGLES);
addSphere(sphere, 1.0, 32, 32);
for (int i = 0; i < sphere.vertices().size(); ++i) {
float f = (float)i / sphere.vertices().size();
sphere.color(al::Color(al::HSV(f, 1 - f, 1), 1));
}
sphere.generateNormals();
// set up light
light.ambient(al::Color(0.4, 0.4, 0.4, 1.0));
light.pos(5, 5, 5);
std::function<void (CubemapSource*, StereoCubemap*)> callback = boost::bind(&Renderer::onNextCubemap,
this,
_1,
_2);
cubemapSource->setOnNextCubemap(callback);
}
void Chunk::build()
{
Batch batch;
batch.start();
for (uint8_t x = 0; x < 16 ; x++)
{
for (uint8_t y = 0; y < 16; y++)
{
for (uint8_t z = 0; z < 16; z++)
{
if (getBlockId(x, y, z) == 0) continue;
if (getBlockId(x + 1, y, z) != 0 &&
getBlockId(x, y + 1, z) != 0 &&
getBlockId(x, y, z + 1) != 0 &&
getBlockId(x - 1, y, z) != 0 &&
getBlockId(x, y - 1, z) != 0 &&
getBlockId(x, y, z - 1) != 0) continue;
addCube(batch, x, y, z);
}
}
}
mesh_.generateMesh(batch);
}
Cube *Molecule::addCube()
{
Q_D(const Molecule);
return addCube(d->cubes.size());
}
void InstancedSponge::makeSponge(
unsigned recursion, const vector<float> & position, float size) {
if (recursion == 0) {
addCube(position, size);
} else {
recursion-=1;
size/=3.0f;
float trans = size*2;
// TOP
makeSponge(recursion,
{position[0], position[1]+trans, position[2]+trans}, size);
makeSponge(recursion,
{position[0]-trans, position[1]+trans, position[2]}, size);
makeSponge(recursion,
{position[0], position[1]+trans, position[2]-trans}, size);
makeSponge(recursion,
{position[0]+trans, position[1]+trans, position[2]}, size);
makeSponge(recursion,
{position[0]+trans, position[1]+trans, position[2]+trans},
size);
makeSponge(recursion,
{position[0]+trans, position[1]+trans, position[2]-trans},
size);
makeSponge(recursion,
{position[0]-trans, position[1]+trans, position[2]+trans},
size);
makeSponge(recursion,
{position[0]-trans, position[1]+trans, position[2]-trans},
size);
// MIDDLE
makeSponge(recursion,
{position[0]+trans, position[1], position[2]+trans}, size);
makeSponge(recursion,
{position[0]+trans, position[1], position[2]-trans}, size);
makeSponge(recursion,
{position[0]-trans, position[1], position[2]+trans}, size);
makeSponge(recursion,
{position[0]-trans, position[1], position[2]-trans}, size);
// BOTTOM
makeSponge(recursion,
{position[0], position[1]-trans, position[2]+trans}, size);
makeSponge(recursion,
{position[0], position[1]-trans, position[2]-trans}, size);
makeSponge(recursion,
{position[0]+trans, position[1]-trans, position[2]}, size);
makeSponge(recursion,
{position[0]-trans, position[1]-trans, position[2]}, size);
makeSponge(recursion,
{position[0]+trans, position[1]-trans, position[2]+trans},
size);
makeSponge(recursion,
{position[0]+trans, position[1]-trans, position[2]-trans},
size);
makeSponge(recursion,
{position[0]-trans, position[1]-trans, position[2]+trans},
size);
makeSponge(recursion,
{position[0]-trans, position[1]-trans, position[2]-trans},
size);
}
}
void GeometryTerrain::addLight(glm::vec3& position_)
{
sm_singleton->lightPosition = glm::vec4(position_, 1);
addCube(position_, 1);
}
