From 9b83919815f6a6ce5d73da1c28483970d0ca5589 Mon Sep 17 00:00:00 2001 From: unknown Date: Wed, 3 Feb 2021 14:22:28 -0600 Subject: added dev/MinGfx/ --- dev/MinGfx/tests/gui_plus_opengl/CMakeLists.txt | 44 +++ .../tests/gui_plus_opengl/gui_plus_opengl.cc | 374 +++++++++++++++++++++ dev/MinGfx/tests/gui_plus_opengl/gui_plus_opengl.h | 96 ++++++ dev/MinGfx/tests/gui_plus_opengl/main.cc | 25 ++ 4 files changed, 539 insertions(+) create mode 100644 dev/MinGfx/tests/gui_plus_opengl/CMakeLists.txt create mode 100644 dev/MinGfx/tests/gui_plus_opengl/gui_plus_opengl.cc create mode 100644 dev/MinGfx/tests/gui_plus_opengl/gui_plus_opengl.h create mode 100644 dev/MinGfx/tests/gui_plus_opengl/main.cc (limited to 'dev/MinGfx/tests/gui_plus_opengl') diff --git a/dev/MinGfx/tests/gui_plus_opengl/CMakeLists.txt b/dev/MinGfx/tests/gui_plus_opengl/CMakeLists.txt new file mode 100644 index 0000000..5e49e7c --- /dev/null +++ b/dev/MinGfx/tests/gui_plus_opengl/CMakeLists.txt @@ -0,0 +1,44 @@ +# This file is part of the MinGfx cmake build system. +# See the main MinGfx/CMakeLists.txt file for details. + +project(mingfx-test-gui-plus-opengl) + + +# Source: +set (SOURCEFILES + gui_plus_opengl.cc + main.cc +) +set (HEADERFILES + gui_plus_opengl.h +) +set (CONFIGFILES +) + + +# Define the target +add_executable(${PROJECT_NAME} ${HEADERFILES} ${SOURCEFILES}) + + +# Add dependency on libMinGfx: +target_include_directories(${PROJECT_NAME} PUBLIC ../../src) +target_link_libraries(${PROJECT_NAME} PUBLIC MinGfx) + +# Add external dependency on NanoGUI +include(AutoBuildNanoGUI) +AutoBuild_use_package_NanoGUI(${PROJECT_NAME} PUBLIC) + + + +# Installation: +install(TARGETS ${PROJECT_NAME} + RUNTIME DESTINATION ${INSTALL_BIN_DEST} + COMPONENT Tests) + + +# For better organization when using an IDE with folder structures: +set_property(TARGET ${PROJECT_NAME} PROPERTY FOLDER "Tests") +source_group("Header Files" FILES ${HEADERFILES}) +set_source_files_properties(${CONFIGFILES} PROPERTIES HEADER_FILE_ONLY TRUE) +source_group("Config Files" FILES ${CONFIGFILES}) + diff --git a/dev/MinGfx/tests/gui_plus_opengl/gui_plus_opengl.cc b/dev/MinGfx/tests/gui_plus_opengl/gui_plus_opengl.cc new file mode 100644 index 0000000..be83d2e --- /dev/null +++ b/dev/MinGfx/tests/gui_plus_opengl/gui_plus_opengl.cc @@ -0,0 +1,374 @@ +/* + Copyright (c) 2017,2018 Regents of the University of Minnesota. + All Rights Reserved. + See corresponding header file for details. + */ + + +#define _USE_MATH_DEFINES +#include "gui_plus_opengl.h" +#include "default_shader.h" +#include "mesh.h" +#include "shader_program.h" +#include "texture2d.h" +#include "text_shader.h" +#include "unicam.h" + + +#pragma warning (push) +#pragma warning (disable : 6001) +#pragma warning (disable : 6011) +#pragma warning (disable : 6262) +#pragma warning (disable : 6385) +#pragma warning (disable : 6387) +#pragma warning (disable : 26450) +#pragma warning (disable : 26451) +#pragma warning (disable : 26453) +#pragma warning (disable : 26495) +#pragma warning (disable : 26812) +#include +#pragma warning (pop) + +#include + + +QuickShapes *qs; +Ray pickRay; + + +GLuint vbo, vao, vshader, fshader, shaderProgram; +float model[16]; +GLuint texID = 0; + +Mesh mesh1, mesh2; +ShaderProgram shaderprog1; +Texture2D tex1; + +DefaultShader dShader; +DefaultShader::MaterialProperties mat1; + +Matrix4 P,V; + +UniCam uniCam; + +Point2 mpos; + + +TextShader ts; + + + +GuiPlusOpenGL::GuiPlusOpenGL() : GraphicsApp(1024,768, "Circle Simulation") { + + InitGraphicsContext(); + + simTime_ = 0.0; + paused_ = false; + pauseBtn_ = NULL; + + int i; + i = mesh1.AddTriangle(Point3(0,0,0), Point3(1,0,0), Point3(1,1,0)); + mesh1.SetNormals(i, Vector3(0,0,1), Vector3(0,0,1), Vector3(0,0,1)); + mesh1.SetTexCoords(i, 0, Point2(0,0), Point2(1,0), Point2(1,1)); + i = mesh1.AddTriangle(Point3(0,0,0), Point3(1,1,0), Point3(0,1,0)); + mesh1.SetNormals(i, Vector3(0,0,1), Vector3(0,0,1), Vector3(0,0,1)); + mesh1.SetTexCoords(i, 0, Point2(0,0), Point2(1,1), Point2(0,1)); + + //i = mesh1.AppendTriangle(Point3(0,0,0), Point3(0,0,1), Point3(1,1,0)); + //mesh1.SetNormals(i, Vector3(0,0,1), Vector3(0,0,1), Vector3(0,0,1)); +} + + + + +GuiPlusOpenGL::~GuiPlusOpenGL() { + +} + +void GuiPlusOpenGL::InitNanoGUI() { + nanogui::FormHelper *gui = new nanogui::FormHelper(screen()); + nanogui::ref window = gui->addWindow(Eigen::Vector2i(10, 10), "Simulation Controls"); + pauseBtn_ = gui->addButton("Pause", std::bind(&GuiPlusOpenGL::OnPauseBtnPressed, this)); + gui->addButton("Restart", std::bind(&GuiPlusOpenGL::OnRestartBtnPressed, this)); + + screen()->performLayout(); +} + + + +void GuiPlusOpenGL::UpdateSimulation(double dt) { + if (!paused_) { + simTime_ += dt; + //std::cout << "Update Simulation " << simTime_ << std::endl; + } + uniCam.AdvanceAnimation(dt); +} + + +void GuiPlusOpenGL::OnRestartBtnPressed() { + simTime_ = 0.0; +} + +void GuiPlusOpenGL::OnPauseBtnPressed() { + paused_ = !paused_; + if (paused_) { + pauseBtn_->setCaption("Play"); + } + else { + pauseBtn_->setCaption("Pause"); + } +} + + + +void GuiPlusOpenGL::OnMouseMove(const Point2 &pos, const Vector2 &delta) { + //std::cout << "Mouse moved to " << pos << " delta from last frame " << delta << std::endl; + + Point2 mouseInNDC = PixelsToNormalizedDeviceCoords(pos); + Point3 filmplanePt = GfxMath::ScreenToNearPlane(uniCam.view_matrix(), P, mouseInNDC); + + Matrix4 camMat = uniCam.view_matrix().Inverse(); + Point3 eye = camMat.ColumnToPoint3(3); + + pickRay = Ray(eye, filmplanePt - eye); + + mpos = pos; +} + +void GuiPlusOpenGL::OnLeftMouseDown(const Point2 &pos) { + //std::cout << "Left mouse button down at " << pos << std::endl; + + Point2 mouseInNDC = PixelsToNormalizedDeviceCoords(pos); + float mouseZ = ReadZValueAtPixel(pos); + uniCam.OnButtonDown(mouseInNDC, mouseZ); + +} + +void GuiPlusOpenGL::OnLeftMouseDrag(const Point2 &pos, const Vector2 &delta) { + //std::cout << "Mouse dragged (left button) to " << pos << " delta from last frame " << delta << std::endl; + + Point2 mouseInNDC = PixelsToNormalizedDeviceCoords(pos); + uniCam.OnDrag(mouseInNDC); +} + +void GuiPlusOpenGL::OnLeftMouseUp(const Point2 &pos) { + //std::cout << "Left mouse button up at " << pos << std::endl; + + Point2 mouseInNDC = PixelsToNormalizedDeviceCoords(pos); + uniCam.OnButtonUp(mouseInNDC); + +} + + +void GuiPlusOpenGL::OnMiddleMouseDown(const Point2 &pos) { + //std::cout << "Middle mouse button down at " << pos << std::endl; +} + +void GuiPlusOpenGL::OnMiddleMouseDrag(const Point2 &pos, const Vector2 &delta) { + //std::cout << "Mouse dragged (middle button) to " << pos << " delta from last frame " << delta << std::endl; +} + +void GuiPlusOpenGL::OnMiddleMouseUp(const Point2 &pos) { + //std::cout << "Middle mouse button up at " << pos << std::endl; +} + + +void GuiPlusOpenGL::OnRightMouseDown(const Point2 &pos) { + //std::cout << "Right mouse button down at " << pos << std::endl; +} + +void GuiPlusOpenGL::OnRightMouseDrag(const Point2 &pos, const Vector2 &delta) { + //std::cout << "Mouse dragged (right button) to " << pos << " delta from last frame " << delta << std::endl; + Point2 mouseInNDC = PixelsToNormalizedDeviceCoords(pos); + Point3 filmplanePt = GfxMath::ScreenToNearPlane(uniCam.view_matrix(), P, mouseInNDC); + + Matrix4 camMat = uniCam.view_matrix().Inverse(); + Point3 eye = camMat.ColumnToPoint3(3); + + pickRay = Ray(eye, filmplanePt - eye); +} + +void GuiPlusOpenGL::OnRightMouseUp(const Point2 &pos) { + //std::cout << "Right mouse button up at " << pos << std::endl; +} + + + +void GuiPlusOpenGL::OnKeyDown(const char *c, int modifiers) { + //std::cout << "Key DOWN (" << c << ") modifiers=" << modifiers << std::endl; +} + +void GuiPlusOpenGL::OnKeyUp(const char *c, int modifiers) { + //std::cout << "Key UP (" << c << ") modifiers=" << modifiers << std::endl; +} + +void GuiPlusOpenGL::OnSpecialKeyDown(int key, int scancode, int modifiers) { + //std::cout << "Special Key DOWN key=" << key << " scancode=" << scancode << " modifiers=" << modifiers << std::endl; +} + +void GuiPlusOpenGL::OnSpecialKeyUp(int key, int scancode, int modifiers) { + //std::cout << "Special Key UP key=" << key << " scancode=" << scancode << " modifiers=" << modifiers << std::endl; +} + + +void GuiPlusOpenGL::DrawUsingNanoVG(NVGcontext *ctx) { + + // example of drawing some circles + + nvgBeginPath(ctx); + nvgCircle(ctx, 512.0f+50.0f*std::cosf((float)simTime_), 350.0f+200.0f*std::sinf((float)simTime_), 50.0f); + nvgFillColor(ctx, nvgRGBA(100,100,255,200)); + nvgFill(ctx); + nvgStrokeColor(ctx, nvgRGBA(0,0,0,255)); + nvgStroke(ctx); + + nvgBeginPath(ctx); + nvgCircle(ctx, 512.0f+200.0f*std::cosf((float)simTime_), 350.0f+50.0f*std::sinf((float)simTime_), 50.0f); + nvgFillColor(ctx, nvgRGBA(255,100,100,200)); + nvgFill(ctx); + nvgStrokeColor(ctx, nvgRGBA(0,0,0,255)); + nvgStroke(ctx); + +} + + +void GuiPlusOpenGL::InitOpenGL() { + std::string fname = Platform::FindMinGfxDataFile("Futura_Medium_BT.ttf"); + ts.Init(fname, 42); + + qs = new QuickShapes(); + + P = Matrix4::Perspective(60.0f, aspect_ratio(), 0.1f, 10.0f); + V = Matrix4::LookAt(Point3(0,0,3), Point3(0,0,0), Vector3(0,1,0)); + uniCam.set_view_matrix(V); + + mesh1.UpdateGPUMemory(); + + mesh2.LoadFromOBJ(Platform::FindMinGfxDataFile("teapot.obj")); + std::vector xforms; + for (float x=-4.0; x <= 4.0; x += 1.0) { + //xforms.push_back(Matrix4()); + xforms.push_back(Matrix4::Translation(Vector3(x,0,0))); + } + mesh2.SetInstanceTransforms(xforms); + + + tex1.InitFromFile(Platform::FindMinGfxDataFile("test.png")); + mat1.surface_texture = tex1; + + DefaultShader::LightProperties l; + l.position = Point3(-10, 5, 5); + l.diffuse_intensity = Color(1,0,0); + dShader.AddLight(l); +} + + +void GuiPlusOpenGL::DrawUsingOpenGL() { + + V = uniCam.view_matrix(); + Matrix4 M = Matrix4::Translation(Vector3(-1,0,0)) * Matrix4::Scale(Vector3(0.5, 0.5, 0.5)); + + // Draw several quick shapes + float col[3] = {0.4f, 0.4f, 0.8f}; + Matrix4 M2 = Matrix4::Translation(Vector3(1.0f, 1.5f, 0.0f))*Matrix4::Scale(Vector3(0.2f, 0.2f, 0.2f)); + qs->DrawSphere(M2, V, P, col); + + M2 = Matrix4::Translation(Vector3(0,-0.5,0)) * M2; + qs->DrawCylinder(M2, V, P, col); + + M2 = Matrix4::Translation(Vector3(0,-0.5,0)) * M2; + qs->DrawCone(M2, V, P, col); + + M2 = Matrix4::Translation(Vector3(0,-0.5,0)) * M2; + qs->DrawCube(M2, V, P, col); + + M2 = Matrix4::Translation(Vector3(0,-0.5,0)) * M2; + qs->DrawBrush(M2, V, P, col); + + M2 = Matrix4::Translation(Vector3(0,-0.5,0)) * M2; + qs->DrawSquare(M2, V, P, col); + + M2 = Matrix4::Translation(Vector3(0,-0.5,0)) * M2; + qs->DrawSquare(M2, V, P, col, tex1); + + + qs->DrawArrow(Matrix4(), V, P, col, Point3(0,0,0), Vector3(-1,1.5,0), 0.01f); + + qs->DrawLineSegment(Matrix4(), V, P, col, Point3(0,0,0), Point3(1, 1.5, 0), 0.01f); + + qs->DrawAxes(Matrix4(), V, P); + + dShader.Draw(Matrix4(), V, P, &mesh1, mat1); + dShader.Draw(Matrix4(), V, P, &mesh2, DefaultShader::MaterialProperties()); + + + float t; + Point3 p; + int id; + if (pickRay.IntersectMesh(mesh1, &t, &p, &id)) { + M2 = Matrix4::Translation(p - Point3::Origin()) * Matrix4::Scale(Vector3(0.025f, 0.025f, 0.025f)); + qs->DrawSphere(M2, V, P, Color(1,0,1)); + } + if (pickRay.IntersectMesh(mesh2, &t, &p, &id)) { + M2 = Matrix4::Translation(p - Point3::Origin()) * Matrix4::Scale(Vector3(0.025f, 0.025f, 0.025f)); + qs->DrawSphere(M2, V, P, Color(1,1,0)); + } + + uniCam.Draw(P); + + + Matrix4 M3 = Matrix4::Translation(Vector3(-1,0,0)); + TextShader::TextFormat f; + + + f.color = Color(1,1,0); + f.h_align = TextShader::HorizAlign::HORIZ_ALIGN_CENTER; + f.v_align = TextShader::VertAlign::VERT_ALIGN_TOP; + ts.Draw3D(M3, V, P, "TOPgg", f, true); + + f.color = Color(0,1,1); + f.h_align = TextShader::HorizAlign::HORIZ_ALIGN_CENTER; + f.v_align = TextShader::VertAlign::VERT_ALIGN_CENTER; + ts.Draw3D(M3, V, P, "V_CENTERyy", f, true); + + f.color = Color(1,0,1); + f.h_align = TextShader::HorizAlign::HORIZ_ALIGN_CENTER; + f.v_align = TextShader::VertAlign::VERT_ALIGN_BOTTOM; + ts.Draw3D(M3, V, P, "BOTTOMgg", f, true); + + f.color = Color(1,1,1); + f.h_align = TextShader::HorizAlign::HORIZ_ALIGN_CENTER; + f.v_align = TextShader::VertAlign::VERT_ALIGN_BASELINE; + ts.Draw3D(M3, V, P, "Hello good buddy", f, true); + + qs->DrawLineSegment(M3, V, P, col, Point3(0,0,0), Point3(1, 0, 0), 0.01f); + + M3 = M3 * Matrix4::Translation(Vector3(0,0.5,0)); + + + f.color = Color(1,0,0); + f.h_align = TextShader::HorizAlign::HORIZ_ALIGN_LEFT; + f.v_align = TextShader::VertAlign::VERT_ALIGN_TOP; + ts.Draw3D(M3, V, P, "LEFT", f, true); + + f.color = Color(0,1,0); + f.h_align = TextShader::HorizAlign::HORIZ_ALIGN_CENTER; + f.v_align = TextShader::VertAlign::VERT_ALIGN_TOP; + ts.Draw3D(M3, V, P, "CENTER", f, true); + + f.color = Color(0,0,1); + f.h_align = TextShader::HorizAlign::HORIZ_ALIGN_RIGHT; + f.v_align = TextShader::VertAlign::VERT_ALIGN_TOP; + ts.Draw3D(M3, V, P, "RIGHT", f, true); + + + M3 = Matrix4::Translation(Vector3(0,0,1)); + f.color = Color(1,1,1); + f.h_align = TextShader::HorizAlign::HORIZ_ALIGN_CENTER; + f.v_align = TextShader::VertAlign::VERT_ALIGN_BASELINE; + f.size = 0.25; + ts.Draw3D(M3, V, P, "Hello good buddy", f, true); + + + //std::cout << mpos << " z = " << z_value_at_pixel(mpos) << std::endl; +} diff --git a/dev/MinGfx/tests/gui_plus_opengl/gui_plus_opengl.h b/dev/MinGfx/tests/gui_plus_opengl/gui_plus_opengl.h new file mode 100644 index 0000000..faf3580 --- /dev/null +++ b/dev/MinGfx/tests/gui_plus_opengl/gui_plus_opengl.h @@ -0,0 +1,96 @@ +/* + This file is part of the MinGfx Project. + + Copyright (c) 2017,2018 Regents of the University of Minnesota. + All Rights Reserved. + + Original Author(s) of this File: + Dan Keefe, 2018, University of Minnesota + + Author(s) of Significant Updates/Modifications to the File: + ... + */ + +#include +using namespace mingfx; + + +/** An application that opens up a window that includes a few buttons + for controlling the simulation and can be used to draw circles and + other computer graphics. + + After constructing a new CircleViewer, call Run() to start and + run the application. Run() will not return until the application + window is closed. Make sure that you call cs3081::InitGraphics() + before creating the RobotViewer app. Example: + + ``` + int main(int argc, char **argv) { + cs3081::InitGraphics(); + cs3081::CircleViewer *app = new cs3081::CircleViewer(); + app->Run(); + cs3081::ShutdownGraphics(); + return 0; + } + ``` + + While the window is open UpdateSimulation() will be called + repeatedly, once per frame. Fill this in to update your simulation + or perform any other processing that should happen over time as the + simulation progresses. + + Fill in the On*() methods as desired to respond to user input events. + + Fill in the Draw*() methods to draw graphics to the screen using + either the nanovg library or raw OpenGL. +*/ +class GuiPlusOpenGL : public GraphicsApp { +public: + GuiPlusOpenGL(); + ~GuiPlusOpenGL(); + + void InitNanoGUI(); + + void UpdateSimulation(double dt); + + + void OnRestartBtnPressed(); + void OnPauseBtnPressed(); + + + void OnMouseMove(const Point2 &pos, const Vector2 &delta); + + void OnLeftMouseDown(const Point2 &pos); + void OnLeftMouseDrag(const Point2 &pos, const Vector2 &delta); + void OnLeftMouseUp(const Point2 &pos); + + void OnMiddleMouseDown(const Point2 &pos); + void OnMiddleMouseDrag(const Point2 &pos, const Vector2 &delta); + void OnMiddleMouseUp(const Point2 &pos); + + void OnRightMouseDown(const Point2 &pos); + void OnRightMouseDrag(const Point2 &pos, const Vector2 &delta); + void OnRightMouseUp(const Point2 &pos); + + + + void OnKeyDown(const char *c, int modifiers); + + void OnKeyUp(const char *c, int modifiers); + + void OnSpecialKeyDown(int key, int scancode, int modifiers); + + void OnSpecialKeyUp(int key, int scancode, int modifiers); + + + void DrawUsingNanoVG(NVGcontext *ctx); + + void InitOpenGL(); + + void DrawUsingOpenGL(); + +private: + double simTime_; + bool paused_; + nanogui::Button *pauseBtn_; +}; diff --git a/dev/MinGfx/tests/gui_plus_opengl/main.cc b/dev/MinGfx/tests/gui_plus_opengl/main.cc new file mode 100644 index 0000000..e520953 --- /dev/null +++ b/dev/MinGfx/tests/gui_plus_opengl/main.cc @@ -0,0 +1,25 @@ +/* + This file is part of the MinGfx Project. + + Copyright (c) 2017,2018 Regents of the University of Minnesota. + All Rights Reserved. + + Original Author(s) of this File: + Dan Keefe, 2018, University of Minnesota + + Author(s) of Significant Updates/Modifications to the File: + ... + */ + +#include +#include "gui_plus_opengl.h" + + +int main(int argc, char **argv) { + + GuiPlusOpenGL *app = new GuiPlusOpenGL(); + app->Run(); + + return 0; +} + -- cgit v1.2.3