void LineObject::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* /*widget*/)
{
QGraphicsScene* objScene = scene();
if(!objScene) return;
QPen paintPen = pen();
painter->setPen(paintPen);
updateRubber(painter);
if(option->state & QStyle::State_Selected) { paintPen.setStyle(Qt::DashLine); }
if(objScene->property(ENABLE_LWT).toBool()) { paintPen = lineWeightPen(); }
painter->setPen(paintPen);
if(objectRubberMode() != OBJ_RUBBER_LINE) painter->drawLine(line());
//TODO: This is the initial concept for what realistic rendering be like. It's somewhat decent but needs improvement.
if(objScene->property(ENABLE_LWT).toBool() && objScene->property(ENABLE_REAL).toBool())
{
painter->setPen(objectColor().darker(150)); //TODO: Improve this for black and dark colors
QPainterPathStroker stroker;
stroker.setWidth(0.35);
stroker.setCapStyle(Qt::RoundCap);
stroker.setJoinStyle(Qt::RoundJoin);
QPainterPath realPath = stroker.createStroke(path());
painter->drawPath(realPath);
QLinearGradient grad(mapFromScene(objectMidPoint()), mapFromScene(objectEndPoint1()));
grad.setColorAt(0, objectColor());
grad.setColorAt(1, objectColor().darker(150)); //TODO: Improve this for black and dark colors
grad.setSpread(QGradient::ReflectSpread);
painter->fillPath(realPath, QBrush(grad));
}
}
int main(int argc, const char * argv[]) {
CommonSettings Settings;
GLFWwindow *window = Settings.CreateWindow();
if (nullptr == window) {
std::cout << "Create window failed." << std::endl;
glfwTerminate();
return -1;
}
glfwSetKeyCallback(window, key_callback);
glfwSetCursorPosCallback(window, mouse_callback);
glfwSetScrollCallback(window, scroll_callback);
GLfloat vertices[] = {
0.5f, 0.5f, 0.5f, 0.0f, 0.0f, 1.0f,
0.5f, -0.5f, 0.5f, 0.0f, 0.0f, 1.0f,
-0.5f, -0.5f, 0.5f, 0.0f, 0.0f, 1.0f,
0.5f, 0.5f, 0.5f, 0.0f, 0.0f, 1.0f,
-0.5f, -0.5f, 0.5f, 0.0f, 0.0f, 1.0f,
-0.5f, 0.5f, 0.5f, 0.0f, 0.0f, 1.0f,
0.5f, 0.5f, -0.5f, 1.0f, 0.0f, 0.0f,
0.5f, -0.5f, -0.5f, 1.0f, 0.0f, 0.0f,
0.5f, -0.5f, 0.5f, 1.0f, 0.0f, 0.0f,
0.5f, 0.5f, -0.5f, 1.0f, 0.0f, 0.0f,
0.5f, -0.5f, 0.5f, 1.0f, 0.0f, 0.0f,
0.5f, 0.5f, 0.5f, 1.0f, 0.0f, 0.0f,
-0.5f, 0.5f, -0.5f, 0.0f, 0.0f, -1.0f,
-0.5f, -0.5f, -0.5f, 0.0f, 0.0f, -1.0f,
0.5f, -0.5f, -0.5f, 0.0f, 0.0f, -1.0f,
-0.5f, 0.5f, -0.5f, 0.0f, 0.0f, -1.0f,
0.5f, -0.5f, -0.5f, 0.0f, 0.0f, -1.0f,
0.5f, 0.5f, -0.5f, 0.0f, 0.0f, -1.0f,
-0.5f, 0.5f, 0.5f, -1.0f, 0.0f, 0.0f,
-0.5f, -0.5f, 0.5f, -1.0f, 0.0f, 0.0f,
-0.5f, -0.5f, -0.5f, -1.0f, 0.0f, 0.0f,
-0.5f, 0.5f, 0.5f, -1.0f, 0.0f, 0.0f,
-0.5f, -0.5f, -0.5f, -1.0f, 0.0f, 0.0f,
-0.5f, 0.5f, -0.5f, -1.0f, 0.0f, 0.0f,
0.5f, 0.5f, -0.5f, 0.0f, 1.0f, 0.0f,
0.5f, 0.5f, 0.5f, 0.0f, 1.0f, 0.0f,
-0.5f, 0.5f, 0.5f, 0.0f, 1.0f, 0.0f,
0.5f, 0.5f, -0.5f, 0.0f, 1.0f, 0.0f,
-0.5f, 0.5f, 0.5f, 0.0f, 1.0f, 0.0f,
-0.5f, 0.5f, -0.5f, 0.0f, 1.0f, 0.0f,
0.5f, -0.5f, 0.5f, 0.0f, -1.0f, 0.0f,
0.5f, -0.5f, -0.5f, 0.0f, -1.0f, 0.0f,
-0.5f, -0.5f, -0.5f, 0.0f, -1.0f, 0.0f,
0.5f, -0.5f, 0.5f, 0.0f, -1.0f, 0.0f,
-0.5f, -0.5f, -0.5f, 0.0f, -1.0f, 0.0f,
-0.5f, -0.5f, 0.5f, 0.0f, -1.0f, 0.0f,
};
GLuint VAO, VBO;
glGenVertexArrays(1, &VAO);
glGenBuffers(1, &VBO);
glBindVertexArray(VAO);
glBindBuffer(GL_ARRAY_BUFFER, VBO);
glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(GLfloat), (GLvoid*)0);
glEnableVertexAttribArray(0);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(GLfloat), (GLvoid*)(3 * sizeof(GLfloat)));
glEnableVertexAttribArray(1);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindVertexArray(0);
GLuint lightVAO;
glGenVertexArrays(1, &lightVAO);
glBindVertexArray(lightVAO);
glBindBuffer(GL_ARRAY_BUFFER, VBO);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(GLfloat), (GLvoid*)0);
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glBindVertexArray(0);
#ifdef __APPLE__
string path = "/Basic Lighting/2/";
#else
string path = "\\Basic Lighting\\2\\";
#endif
ShaderReader shader(Settings.CCExercisesPath(path + "EX_L_BL_2.vs").c_str(), Settings.CCExercisesPath(path + "EX_L_BL_2.fs").c_str());
ShaderReader lightShader(Settings.CCExercisesPath(path + "EX_L_BL_2_light.vs").c_str(), Settings.CCExercisesPath(path + "EX_L_BL_2_light.fs").c_str());
glm::mat4 modelMat;
glm::mat4 viewMat;
glm::mat4 projMat;
GLint width, height;
glfwGetFramebufferSize(window, &width, &height);
glm::vec3 lightPos(1.2f, 1.0f, 2.0f);
glm::vec3 lightColor(1.0f, 1.0f, 1.0f);
glm::vec3 objectColor(1.0f, 0.5f, 0.31f);
shader.Use();
GLint modelLoc = glGetUniformLocation(shader.GetProgram(), "modelMat");
GLint viewLoc = glGetUniformLocation(shader.GetProgram(), "viewMat");
GLint projLoc = glGetUniformLocation(shader.GetProgram(), "projMat");
GLint lightColorLoc = glGetUniformLocation(shader.GetProgram(), "lightColor");
GLint objectColorLoc = glGetUniformLocation(shader.GetProgram(), "objectColor");
GLint lightPosLoc = glGetUniformLocation(shader.GetProgram(), "lightPos");
GLint viewPosLoc = glGetUniformLocation(shader.GetProgram(), "viewPos");
lightShader.Use();
GLint lightModelLoc = glGetUniformLocation(lightShader.GetProgram(), "modelMat");
GLint lightViewLoc = glGetUniformLocation(lightShader.GetProgram(), "viewMat");
GLint lightProjLoc = glGetUniformLocation(lightShader.GetProgram(), "projMat");
GLint lightLightColorLoc = glGetUniformLocation(lightShader.GetProgram(), "lightColor");
while (!glfwWindowShouldClose(window)) {
glfwPollEvents();
do_movement();
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
GLfloat currentTime = glfwGetTime();
deltaTime = currentTime - lastFrame;
lastFrame = currentTime;
viewMat = cam.getViewMatrix();
projMat = glm::perspective(cam.getZoom(), (GLfloat)width / height, 0.1f, 100.0f);
shader.Use();
modelMat = glm::mat4();
glUniformMatrix4fv(modelLoc, 1, GL_FALSE, glm::value_ptr(modelMat));
glUniformMatrix4fv(viewLoc, 1, GL_FALSE, glm::value_ptr(viewMat));
glUniformMatrix4fv(projLoc, 1, GL_FALSE, glm::value_ptr(projMat));
glUniform3f(lightColorLoc, lightColor.x, lightColor.y, lightColor.z);
glUniform3f(objectColorLoc, objectColor.x, objectColor.y, objectColor.z);
glUniform3f(lightPosLoc, lightPos.x, lightPos.y, lightPos.z);
glUniform3f(viewPosLoc, cam.getPosition().x, cam.getPosition().y, cam.getPosition().z);
glBindVertexArray(VAO);
glDrawArrays(GL_TRIANGLES, 0, 36);
glBindVertexArray(0);
lightShader.Use();
modelMat = glm::mat4();
modelMat = glm::translate(modelMat, glm::vec3(lightPos.x, lightPos.y, lightPos.z));
modelMat = glm::scale(modelMat, glm::vec3(0.2f));
glUniformMatrix4fv(lightModelLoc, 1, GL_FALSE, glm::value_ptr(modelMat));
glUniformMatrix4fv(lightViewLoc, 1, GL_FALSE, glm::value_ptr(viewMat));
glUniformMatrix4fv(lightProjLoc, 1, GL_FALSE, glm::value_ptr(projMat));
glUniform3f(lightLightColorLoc, lightColor.x, lightColor.y, lightColor.z);
glBindVertexArray(lightVAO);
glDrawArrays(GL_TRIANGLES, 0, 36);
glBindVertexArray(0);
glfwSwapBuffers(window);
}
glfwTerminate();
return 0;
}
