本文整理汇总了C++中Trackball::computeProjectionMatrix方法的典型用法代码示例。如果您正苦于以下问题：C++ Trackball::computeProjectionMatrix方法的具体用法？C++ Trackball::computeProjectionMatrix怎么用？C++ Trackball::computeProjectionMatrix使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Trackball的用法示例。
在下文中一共展示了Trackball::computeProjectionMatrix方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: render
/** This method is called in the main rendering loop everytime the OpenGL windows has to be refreshed. */
void render(GLFWwindow* window)
{
// clear the buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // clear all buffers
//Draw PointCloud
mBlinn.activate();
glUniformMatrix4fv(mBlinn.getUniformLocation("projection_matrix"),1,false,mCamera.computeProjectionMatrix().data());
glUniformMatrix4fv(mBlinn.getUniformLocation("modelview_matrix"),1,false,mCamera.computeViewMatrix().data());
Vector4f light_pos;
light_pos << mLightPos , 1.0f;
Vector4f light_pos2;
light_pos2 << mLightPos2 , 1.0f;
glUniform4fv(mBlinn.getUniformLocation("light_pos"),1,light_pos.data());
glUniform4fv(mBlinn.getUniformLocation("light_pos2"),1,light_pos2.data());
glUniformMatrix4fv(mBlinn.getUniformLocation("object_matrix"),1,false,/*pc*//*mesh*/mMeshes[mCurrentMesh]->getTransformationMatrix().data());
Matrix3f normal_matrix = (mCamera.computeViewMatrix()*/*pc*//*mesh*/mMeshes[mCurrentMesh]->getTransformationMatrix()).linear().inverse().transpose();
glUniformMatrix3fv(mBlinn.getUniformLocation("normal_matrix"),1,false,normal_matrix.data());
mMeshes[mCurrentMesh]->draw(&mBlinn/*,true*/);
//pc->draw(&mBlinn);
// Vector4f light_pos_mesh;
// mMesh.activate();
// glUniformMatrix4fv(mMesh.getUniformLocation("projection_matrix"),1,false,mCamera.computeProjectionMatrix().data());
// glUniformMatrix4fv(mMesh.getUniformLocation("modelview_matrix"),1,false,mCamera.computeViewMatrix().data());
// light_pos_mesh << mLightPos , 1.0f;
// glUniform4fv(mMesh.getUniformLocation("light_pos"),1,light_pos_mesh.data());
// glUniformMatrix4fv(mMesh.getUniformLocation("object_matrix"),1,false,mesh->getTransformationMatrix().data());
// Matrix3f normal_matrix = (mCamera.computeViewMatrix()*mesh->getTransformationMatrix()).linear().inverse().transpose();
// glUniformMatrix3fv(mMesh.getUniformLocation("normal_matrix"),1,false,normal_matrix.data());
// mesh->draw(&mMesh);
//Draw Octree
if(octreeVisu >= 0)
{
mSimple.activate();
glUniformMatrix4fv(mSimple.getUniformLocation("projection_matrix"),1,false,mCamera.computeProjectionMatrix().data());
glUniformMatrix4fv(mSimple.getUniformLocation("modelview_matrix"),1,false,mCamera.computeViewMatrix().data());
std::vector<AlignedBox3f> aabbs = octree->getAABBs(octreeVisu);
for(unsigned i=0; i<aabbs.size(); ++i)
{
Affine3f object_matrix;
object_matrix = Translation3f(aabbs[i].center()) * Scaling((aabbs[i].max() - aabbs[i].min())/2.0);
glUniformMatrix4fv(mSimple.getUniformLocation("object_matrix"),1,false, object_matrix.data());
wirecube->draw(&mSimple);
}
}
mHole.activate();
glUniformMatrix4fv(mHole.getUniformLocation("object_matrix"),1,false,/*mesh*/mMeshes[mCurrentMesh]->getTransformationMatrix().data());
glUniformMatrix3fv(mHole.getUniformLocation("normal_matrix"),1,false,normal_matrix.data());
//mesh->drawEdges(&mHole);
// check OpenGL errors
GL_TEST_ERR;
glfwSwapBuffers(window);
}示例2: render
/** This method is called in the main rendering loop everytime the OpenGL windows has to be refreshed. */
void render(GLFWwindow* window)
{
// clear the buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // clear all buffers
//Draw PointCloud
mBlinn.activate();
glUniformMatrix4fv(mBlinn.getUniformLocation("projection_matrix"),1,false,mCamera.computeProjectionMatrix().data());
glUniformMatrix4fv(mBlinn.getUniformLocation("modelview_matrix"),1,false,mCamera.computeViewMatrix().data());
Vector4f light_pos;
light_pos << mLightPos , 1.0f;
glUniform4fv(mBlinn.getUniformLocation("light_pos"),1,light_pos.data());
glUniformMatrix4fv(mBlinn.getUniformLocation("object_matrix"),1,false,pc->getTransformationMatrix().data());
Matrix3f normal_matrix = (mCamera.computeViewMatrix()*pc->getTransformationMatrix()).linear().inverse().transpose();
glUniformMatrix3fv(mBlinn.getUniformLocation("normal_matrix"),1,false,normal_matrix.data());
pc->draw(&mBlinn);
//Draw Octree
// mSimple.activate();
//mCamera.updateViewMatrix();
// glUniformMatrix4fv(mSimple.getUniformLocation("projection_matrix"),1,false,mCamera.computeProjectionMatrix().data());
// glUniformMatrix4fv(mSimple.getUniformLocation("modelview_matrix"),1,false,mCamera.computeViewMatrix().data());
glUniformMatrix4fv(mBlinn.getUniformLocation("object_matrix"),1,false, ball->getTransformationMatrix().data());
glUniform3f(mBlinn.getUniformLocation("colorV"),1.f,1.f,1.f);
ball->draw();
glUniform3f(mBlinn.getUniformLocation("colorV"),0.2,0.3,0.8);
mSimple.activate();
glUniformMatrix4fv(mSimple.getUniformLocation("projection_matrix"),1,false,mCamera.computeProjectionMatrix().data());
glUniformMatrix4fv(mSimple.getUniformLocation("modelview_matrix"),1,false,mCamera.computeViewMatrix().data());
glUniformMatrix4fv(mSimple.getUniformLocation("object_matrix"),1,false, surface->getTransformationMatrix().data());
glUniform3f(mSimple.getUniformLocation("color"),1.,0.,0.);
surface->draw();
// glUniform3f(mBlinn.getUniformLocation("colorV"),0.2,0.3,0.8);
if(octreeVisu >= 0)
{
//mSimple.activate();
// glUniformMatrix4fv(mSimple.getUniformLocation("projection_matrix"),1,false,mCamera.computeProjectionMatrix().data());
// glUniformMatrix4fv(mSimple.getUniformLocation("modelview_matrix"),1,false,mCamera.computeViewMatrix().data());
std::vector<AlignedBox3f> aabbs = octree->getAABBs(octreeVisu);
for(unsigned i=0; i<aabbs.size(); ++i)
{
Affine3f object_matrix;
object_matrix = Translation3f(aabbs[i].center()) * Scaling((aabbs[i].max() - aabbs[i].min())/2.0);
glUniformMatrix4fv(mSimple.getUniformLocation("object_matrix"),1,false, object_matrix.data());
wirecube->draw(&mSimple);
}
}
//draw faces
// glUniformMatrix4fv(mSimple.getUniformLocation("projection_matrix"),1,false,mCamera.computeProjectionMatrix().data());
// glUniformMatrix4fv(mSimple.getUniformLocation("modelview_matrix"),1,false,mCamera.computeViewMatrix().data());
// glUniformMatrix4fv(mSimple.getUniformLocation("object_matrix"),1,false, surface->getTransformationMatrix().data());
// glUniform3f(mSimple.getUniformLocation("color"),1.f,0.f,0.f);
// surface->draw();
// glUniform3f(mSimple.getUniformLocation("color"),1.f,1.f,1.f);
// check OpenGL errors
GL_TEST_ERR;
glfwSwapBuffers(window);
}