void WireCube::draw(Shader *shader, bool drawEdges)
{
if (!mReady) {
std::cerr<<"Warning: Cube not ready for rendering" << std::endl;
return;
}
glBindVertexArray(mVertexArrayObject);
if(mShader->id() != shader->id()){
specifyVertexData(shader);
}
glDrawElements(GL_LINES, 24*sizeof(int), GL_UNSIGNED_INT, 0);
glBindVertexArray(0);
}
void draw(Shader *shader, bool drawEdges = false){
if (!mReady) {
cerr<<"Warning: Mesh not ready for rendering" << endl;
return;
}
glBindVertexArray(mVao);
if(mShader->id() != shader->id()){
specifyVertexData(shader);
}
drawEdges ? glPolygonMode( GL_FRONT_AND_BACK, GL_LINE ) : glPolygonMode( GL_FRONT_AND_BACK, GL_FILL ) ;
glDrawElements(GL_LINE, mIndicesEdges.size()*sizeof(Vector3i), GL_UNSIGNED_INT, 0);
glBindVertexArray(0);
}
void WireCube::init(Shader *shader)
{
glGenVertexArrays(1, (GLuint *)&mVertexArrayObject);
glBindVertexArray(mVertexArrayObject);
glGenBuffers(1, &mEdges);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, mEdges);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(int)*24, edges, GL_STATIC_DRAW);
glGenBuffers(1, &mPosBuffer);
glBindBuffer(GL_ARRAY_BUFFER, mPosBuffer);
glBufferData(GL_ARRAY_BUFFER, sizeof(float)*24, vertices, GL_STATIC_DRAW);
specifyVertexData(shader);
glBindVertexArray(0);
GL_TEST_ERR;
mReady = true;
}