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MyPointsObject.cpp
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MyPointsObject.cpp
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#include "MyPointsObject.h"
MyPointsObject::MyPointsObject(int _id, QGLWidget *_openglWindow)
:DrawObject(_id, GL_POINTS)
{
VAO_ = new QOpenGLVertexArrayObject(_openglWindow);
VAO_->create();
PhongVAO_ = new QOpenGLVertexArrayObject(_openglWindow);
PhongVAO_->create();
RRTVAO_ = new QOpenGLVertexArrayObject(_openglWindow);
RRTVAO_->create();
vertexBuffer_ = new QOpenGLBuffer(QOpenGLBuffer::Type::VertexBuffer);
vertexBuffer_->create();
pointSize_ = 1.0f;
}
MyPointsObject::~MyPointsObject()
{
if (vertexBuffer_ != nullptr) delete vertexBuffer_;
}
void MyPointsObject::SetVertex(std::vector<VBOType> &_vbo)
{
vbo_ = _vbo;
num_vertex_ = vbo_.size();
for (int i = 0; i < num_vertex_; i++)
{
if (_vbo[i].posConf.x < orthoLeft) orthoLeft = _vbo[i].posConf.x;
if (_vbo[i].posConf.x > orthoRight) orthoRight = _vbo[i].posConf.x;
if (_vbo[i].posConf.y < orthoBottom) orthoBottom = _vbo[i].posConf.y;
if (_vbo[i].posConf.y > orthoTop) orthoTop = _vbo[i].posConf.y;
if (_vbo[i].posConf.z < orthoNear) orthoNear = _vbo[i].posConf.z;
if (_vbo[i].posConf.z > orthoFar) orthoFar = _vbo[i].posConf.z;
}
vertexBuffer_->setUsagePattern(QOpenGLBuffer::UsagePattern::DynamicDraw);
vertexBuffer_->bind();
vertexBuffer_->allocate(vbo_.data(), num_vertex_ * sizeof(VBOType));
vertexBuffer_->release();
}
void MyPointsObject::SetPositionToBuffer()
{
if (vbo_.size() == 0) return;
VAO_->bind();
vertexBuffer_->bind();
colorProgram_->enableAttributeArray(colorPositionHandle_);
colorProgram_->setAttributeBuffer(colorPositionHandle_, GL_FLOAT, 0, 3, sizeof(VBOType));
vertexBuffer_->release();
VAO_->release();
PhongVAO_->bind();
vertexBuffer_->bind();
phongProgram_->enableAttributeArray(phongPositionHandle_);
phongProgram_->setAttributeBuffer(phongPositionHandle_, GL_FLOAT, 0, 3, sizeof(VBOType));
vertexBuffer_->release();
PhongVAO_->release();
RRTVAO_->bind();
vertexBuffer_->bind();
renderVertexIdProgram_->enableAttributeArray(renderVertexIdPositionHandle_);
renderVertexIdProgram_->setAttributeBuffer(renderVertexIdPositionHandle_, GL_FLOAT, 0, 3, sizeof(VBOType));
vertexBuffer_->release();
RRTVAO_->release();
}
void MyPointsObject::SetNormalToBuffer()
{
if (vbo_.size() == 0) return;
PhongVAO_->bind();
vertexBuffer_->bind();
phongProgram_->enableAttributeArray(phongNormalHandle_);
phongProgram_->setAttributeBuffer(phongNormalHandle_, GL_FLOAT, 32, 3, sizeof(VBOType));
vertexBuffer_->release();
PhongVAO_->release();
}
void MyPointsObject::SetColorToBuffer()
{
if (vbo_.size() == 0) return;
VAO_->bind();
vertexBuffer_->bind();
colorProgram_->enableAttributeArray(colorColorHandle_);
colorProgram_->setAttributeBuffer(colorColorHandle_, GL_UNSIGNED_BYTE, 16, 4, sizeof(VBOType));
vertexBuffer_->release();
VAO_->release();
}
void MyPointsObject::PhongDraw()
{
if (num_vertex_ == 0) return;
PhongVAO_->bind();
glPointSize(pointSize_);
glDrawArrays(GL_POINTS, 0, num_vertex_);
glPointSize(1.0f);
PhongVAO_->release();
}
void MyPointsObject::ColorDraw()
{
if (num_vertex_ == 0) return;
VAO_->bind();
glPointSize(pointSize_);
glDrawArrays(GL_POINTS, 0, num_vertex_);
glPointSize(1.0f);
VAO_->release();
}
void MyPointsObject::RenderVertexIdDraw()
{
if (num_vertex_ == 0) return;
renderVertexIdProgram_->setUniformValue(renderVertexIdObjectIdHandle_, id_);
RRTVAO_->bind();
glPointSize(1.5f);
glDrawArrays(GL_POINTS, 0, num_vertex_);
glPointSize(1.0f);
RRTVAO_->release();
}