diff options
Diffstat (limited to 'src/glwidget.cpp')
| -rwxr-xr-x | src/glwidget.cpp | 122 |
1 files changed, 120 insertions, 2 deletions
diff --git a/src/glwidget.cpp b/src/glwidget.cpp index 8a35a4f..6466e24 100755 --- a/src/glwidget.cpp +++ b/src/glwidget.cpp @@ -3,6 +3,11 @@ #include <QApplication> #include <QKeyEvent> #include <iostream> +#define STB_IMAGE_IMPLEMENTATION + +#include "stb/stb_image.h" + + #define SPEED 1.5 #define ROTATE_SPEED 0.0025 @@ -45,12 +50,20 @@ GLWidget::GLWidget(QWidget *parent) : // Function tick() will be called once per interva connect(&m_intervalTimer, SIGNAL(timeout()), this, SLOT(tick())); + + //m_skybox = new skybox(); } GLWidget::~GLWidget() { if (m_defaultShader != nullptr) delete m_defaultShader; if (m_pointShader != nullptr) delete m_pointShader; + if (m_foamShader != nullptr) delete m_foamShader; + + if (m_skyboxShader != nullptr) delete m_skyboxShader; + //if (m_skybox != nullptr) delete m_skybox; + + } // ================== Basic OpenGL Overrides @@ -64,9 +77,13 @@ void GLWidget::initializeGL() fprintf(stdout, "Successfully initialized GLEW %s\n", glewGetString(GLEW_VERSION)); // Set clear color to white - glClearColor(1, 0.98f, 0.85f, 1); + glClearColor(0, 0, 0, 1); +// glEnable(GL_DEPTH_TEST); +// glEnable(GL_CULL_FACE); +// glEnable(GL_BLEND); +// glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - // Enable depth-testing and backface culling +// // Enable depth-testing and backface culling glEnable(GL_DEPTH_TEST); // glEnable(GL_CULL_FACE); // glCullFace(GL_BACK); @@ -78,9 +95,21 @@ void GLWidget::initializeGL() m_pointShader = new Shader(":resources/shaders/anchorPoint.vert", ":resources/shaders/anchorPoint.geom", ":resources/shaders/anchorPoint.frag"); // m_texture_shader = new Shader(":/resources/shaders/texture.vert", ":/resources/shaders/texture.frag"); m_colorShader = new Shader(":resources/shaders/color.vert", ":resources/shaders/color.frag"); + m_foamShader = new Shader(":resources/shaders/foam.vert", ":resources/shaders/foam.frag"); + m_skyboxShader = new Shader(":resources/shaders/skybox.vert", ":resources/shaders/skybox.frag"); + + + m_halftone_tex = loadTextureFromFile(":resources/images/halftone.png").textureID; + m_foam_tex = loadTextureFromFile(":resources/images/foam3.png").textureID; + + m_causticsShader = new Shader(":resources/shaders/caustics.vert", ":resources/shaders/caustics.frag"); initCaustics(); + + // init skybox stuff + m_skybox.initializeVAO(); + // INITIALIZE TEXTURE STUFF // Prepare filepath @@ -162,6 +191,9 @@ void GLWidget::initializeGL() m_camera.lookAt(eye, target); m_camera.setOrbitPoint(target); m_camera.setPerspective(120, width() / static_cast<float>(height()), nearPlane, farPlane); + m_camera.setPosition(Eigen::Vector3f( 0, + 0, + 0)); m_deltaTimeProvider.start(); m_intervalTimer.start(1000 / 60); @@ -398,8 +430,91 @@ void GLWidget::paintGL() // m_pointShader->setUniform("height", height()); // m_arap.draw(m_pointShader, GL_POINTS); // m_pointShader->unbind(); + + m_foamShader->bind(); + m_foamShader->setUniform("proj", m_camera.getProjection()); + m_foamShader->setUniform("view", m_camera.getView()); + glUniform1f(glGetUniformLocation(m_foamShader->id(), "time"), m_arap.getTime()); + glUniform1f(glGetUniformLocation(m_foamShader->id(), "phaseC"), 1.f); + m_foamShader->setUniform("widthBounds", m_arap.minCorner[0], m_arap.maxCorner[0]); + m_foamShader->setUniform("lengthBounds", m_arap.minCorner[2], m_arap.maxCorner[2]); + + glActiveTexture(GL_TEXTURE5); + glBindTexture(GL_TEXTURE_2D, m_halftone_tex); + glUniform1i(glGetUniformLocation(m_foamShader->id(), "halftone_texture"), 5); + + glActiveTexture(GL_TEXTURE6); + glBindTexture(GL_TEXTURE_2D, m_foam_tex); + glUniform1i(glGetUniformLocation(m_foamShader->id(), "foam_texture"), 6); + + + + + m_arap.drawFoam(m_foamShader, GL_TRIANGLES); + m_foamShader->unbind(); + + // skybox + + + + m_skybox.draw(m_skyboxShader, m_camera); + + + } +TextureData GLWidget::loadTextureFromFile(const char *path) +{ + std::string filename = std::string(path); + + QString filepath = QString(filename.c_str()); + QImage tex_image = QImage(filepath); + tex_image = tex_image.convertToFormat(QImage::Format_RGBA8888); + auto data = tex_image.bits(); + int width = tex_image.width(); + int height = tex_image.height(); + + GLuint textureID; + glGenTextures(1, &textureID); + +// int width, height, nrComponents; +// stbi_set_flip_vertically_on_load(true); +// unsigned char *data = stbi_load(filename.c_str(), &width, &height, &nrComponents, 0); +// stbi_set_flip_vertically_on_load(false); + if (data) + { +// GLenum format; +// if (nrComponents == 1) +// format = GL_RED; +// else if (nrComponents == 3) +// format = GL_RGB; +// else if (nrComponents == 4) +// format = GL_RGBA; + + glBindTexture(GL_TEXTURE_2D, textureID); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, data); + glGenerateMipmap(GL_TEXTURE_2D); + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + +// stbi_image_free(data); + + } + else + { + std::cout << "Texture failed to load at path: " << path << std::endl; +// stbi_image_free(data); + } + + TextureData newtex; + newtex.textureID = textureID; + newtex.height = height; + newtex.width = width; + return newtex; +} void GLWidget::resizeGL(int w, int h) { glViewport(0, 0, w, h); @@ -568,6 +683,8 @@ void GLWidget::tick() { float deltaSeconds = m_deltaTimeProvider.restart() / 1000.f; m_arap.update(deltaSeconds); + // rotate skybox + m_skybox.update(deltaSeconds); // Move camera auto look = m_camera.getLook(); @@ -579,6 +696,7 @@ void GLWidget::tick() moveVec *= deltaSeconds; m_camera.move(moveVec); + // Flag this view for repainting (Qt will call paintGL() soon after) update(); } |