From 94a726438631e316a22d727e7c2fad9184a47bee Mon Sep 17 00:00:00 2001 From: David Vereb Date: Thu, 16 Jun 2022 15:11:58 -0400 Subject: [PATCH] Adjustments to follow mouse. --- Makefile | 5 +- Track.cpp | 14 +++++- camera/Camera.cpp | 20 ++++---- camera/Camera.h | 6 +-- main.cpp | 116 ++++++++++++++++++++++++++++------------------ 5 files changed, 100 insertions(+), 61 deletions(-) diff --git a/Makefile b/Makefile index d4b768c..3f3db31 100644 --- a/Makefile +++ b/Makefile @@ -1,4 +1,5 @@ a.out: *.cpp *.h camera/*.cpp camera/*.h - clang++ -std=c++17 -g -o a.out main.cpp \ + clang++ -std=c++14 -g -o a.out main.cpp \ camera/Camera.cpp Track.cpp Xml.cpp \ --lGL -lGLU -lglut -lstdc++fs +-lGL -lGLU -lglut -lstdc++fs \ +#-fsanitize=address -fno-omit-frame-pointer diff --git a/Track.cpp b/Track.cpp index 52a5056..61f7fc3 100644 --- a/Track.cpp +++ b/Track.cpp @@ -155,6 +155,16 @@ void draw(const Track &track) // Draw bike path glBegin(GL_LINE_STRIP); + + srand((long long)(&track)); + float r = rand() % 200 + 50; + float g = rand() % 200 + 50; + float b = rand() % 200 + 50; + r /= 255.0; + g /= 255.0; + b /= 255.0; + glColor3d(r, g, b); + for(auto p : track.points) { // auto val = (50 + (p.ele * 10)) / 180.0; @@ -166,11 +176,11 @@ void draw(const Track &track) // glColor3d(val, val, val); - glColor3d(200, 200, 200); + //glColor3d(200, 200, 200); + glVertex3f(p.lat, p.ele, p.lon); } glEnd(); - glutPostRedisplay(); } diff --git a/camera/Camera.cpp b/camera/Camera.cpp index 201d733..b813f5c 100644 --- a/camera/Camera.cpp +++ b/camera/Camera.cpp @@ -33,7 +33,7 @@ void Camera::Refresh() 0.0,1.0,0.0); // up else gluLookAt(m_x, m_y, m_z, // eye at - 0.0f, 0.0f, 0.0f, // look at + 2.0f, 0.0f, -4.0f, // look at 0.0f, 1.0f, 0.0f); // up // printf("Camera: %f %f %f Direction vector: %f %f %f\n", m_x, m_y, m_z, m_lx, m_ly, m_lz); @@ -45,7 +45,7 @@ void Camera::SetPos(float x, float y, float z) m_y = y; m_z = z; - Refresh(); + // Refresh(); } void Camera::GetPos(float &x, float &y, float &z) @@ -73,7 +73,7 @@ void Camera::SetTarget(Target t, float x, float y, float z) t_z = z; } - Refresh(); + // Refresh(); } void Camera::Move(float incr) @@ -86,7 +86,7 @@ void Camera::Move(float incr) m_y = m_y + incr*ly; m_z = m_z + incr*lz; - Refresh(); + // Refresh(); } void Camera::Strafe(float incr) @@ -94,21 +94,21 @@ void Camera::Strafe(float incr) m_x = m_x + incr*m_strafe_lx; m_y = m_y + incr*m_strafe_ly; - Refresh(); + // Refresh(); } void Camera::Fly(float incr) { m_y = m_y + incr; - Refresh(); + // Refresh(); } void Camera::RotateYaw(float angle) { m_yaw += angle; - Refresh(); + // Refresh(); } void Camera::RotatePitch(float angle) @@ -123,19 +123,19 @@ void Camera::RotatePitch(float angle) if(m_pitch > limit) m_pitch = limit; - Refresh(); + // Refresh(); } void Camera::SetYaw(float angle) { m_yaw = angle; - Refresh(); + // Refresh(); } void Camera::SetPitch(float angle) { m_pitch = angle; - Refresh(); + // Refresh(); } diff --git a/camera/Camera.h b/camera/Camera.h index 5c283de..8f09e0c 100644 --- a/camera/Camera.h +++ b/camera/Camera.h @@ -2,7 +2,7 @@ #define __CAMERA_H__ /* -Generic camera class by Nghia Ho + Generic camera class by Nghia Ho */ class Camera @@ -19,8 +19,8 @@ public: void Init(); void Refresh(); void SetPos(float x, float y, float z); - void GetPos(float &x, float &y, float &z); - void GetDirectionVector(float &x, float &y, float &z); + void GetPos(float &x, float &y, float &z); + void GetDirectionVector(float &x, float &y, float &z); void SetYaw(float angle); void SetPitch(float angle); diff --git a/main.cpp b/main.cpp index 66d66e5..75a9dc6 100644 --- a/main.cpp +++ b/main.cpp @@ -18,6 +18,33 @@ GLfloat light_position[] = {1.0, 1.0, 1.0, 0.0}; /* Infinite light location. */ Camera camera; +void (*passiveMouseFunc)(int x, int y) = [](int x, int y) +{ + static int last_x = x; + static int last_y = y; + + const int diff_x = x - last_x; + const int diff_y = y - last_y; + last_x = x; + last_y = y; + + const int distance = 5; + static float angle_horizontal = 0.0; + static float angle_vertical = 0.0; + angle_horizontal += diff_x / 100.0f; + angle_vertical += diff_y / 100.0f; + + angle_horizontal = fmod(angle_horizontal, 6.283185); + angle_vertical = fmod(angle_vertical, 6.283185); + + float new_x = cos(angle_horizontal); + float new_y = sin(angle_vertical); + float new_z = sin(angle_horizontal); + camera.SetPos(distance * new_x, + distance * 12.5 * new_y, + distance * new_z); +}; + // TODO(dev): // As per https://www.opengl.org/resources/libraries/glut/spec3/node11.html // "Therefore, GLUT programs should not assume the window was created at the specified size or position. @@ -62,45 +89,40 @@ void display() glLineWidth(1.0f); + camera.SetTarget(Camera::Target::POINT); // center //camera.RotateYaw(0.01); - static double asdf = -10.0; - asdf += 0.02; - if(asdf > 15.0) - asdf = -15.0; - // gluLookAt(-15.0, 30.0, -asdf, /* eye is at */ - // 0.0, 5.0, 0.0, /* center is at */ - // 0.0, 1.0, 0.0); /* up is in positive Y direction */ + // static int a = 0; + // if(a < 400) + // { + // camera.RotatePitch(0.03f); + // camera.RotateYaw(0.01f); + // camera.Move(-0.1f); + // if(++a == 200) + // camera.SetTarget(Camera::Target::POINT); // center + // } + // else if(a++ == 400) // ONCE + // { + // static float angle = 0; + // const int distance = 5; + // angle += 0.001f; + // angle = fmod(angle, 360.0); - static int a = 0; - if(a < 400) - { - camera.RotatePitch(0.03f); - camera.RotateYaw(0.01f); - camera.Move(-0.1f); - if(++a == 200) - camera.SetTarget(Camera::Target::POINT); // center - } - else - { - static float angle = 0; - const int distance = 50; - angle += 0.01f; - angle = fmod(angle, 360.0); + // float new_x = cos(angle); + // float new_z = sin(angle); + // camera.SetPos(distance * new_x + 2, + // distance * 12.5, + // distance * new_z - 4); + // } + camera.Refresh(); - float new_x = cos(angle); - float new_z = sin(angle); - camera.SetPos(distance * new_x, - distance, - distance * new_z); - } - - draw_origin(); + // draw_origin(); // DRAW TRACKS: for(auto track : track_groups[random_group].second) draw(*track); + glutPostRedisplay(); glutSwapBuffers(); } @@ -119,13 +141,18 @@ void init() /* Setup the view of the cube. */ glMatrixMode(GL_PROJECTION); - gluPerspective( /* field of view in degree */ 70.0, + gluPerspective( /* field of view in degree */ 90.0, /* aspect ratio */ 1.0, /* Z near */ 1.0, /* Z far */ 1000.0); glMatrixMode(GL_MODELVIEW); gluLookAt(-10.0, 25.0, -10.0, /* eye is at */ 0.0, 0.0, 0.0, /* center is at */ 0.0, 1.0, 0.0); /* up is in positive Y direction */ + + camera.SetTarget(Camera::Target::POINT); // center + + // handle mouse input + glutPassiveMotionFunc(passiveMouseFunc); } int main(int argc, char *argv[]) @@ -197,18 +224,18 @@ int main(int argc, char *argv[]) if(lat_overlap && lon_overlap) { no_changes = false; - track_groups[i].first.min.lat = std::fmin(track_groups[i].first.min.lat, - track_groups[j].first.min.lat); - track_groups[i].first.min.lon = std::fmin(track_groups[i].first.min.lon, - track_groups[j].first.min.lon); - track_groups[i].first.min.ele = std::fmin(track_groups[i].first.min.ele, - track_groups[j].first.min.ele); - track_groups[i].first.max.lat = std::fmax(track_groups[i].first.max.lat, - track_groups[j].first.max.lat); - track_groups[i].first.max.lon = std::fmax(track_groups[i].first.max.lon, - track_groups[j].first.max.lon); - track_groups[i].first.max.ele = std::fmax(track_groups[i].first.max.ele, - track_groups[j].first.max.ele); + track_groups[i].first.min.lat = fmin(track_groups[i].first.min.lat, + track_groups[j].first.min.lat); + track_groups[i].first.min.lon = fmin(track_groups[i].first.min.lon, + track_groups[j].first.min.lon); + track_groups[i].first.min.ele = fmin(track_groups[i].first.min.ele, + track_groups[j].first.min.ele); + track_groups[i].first.max.lat = fmax(track_groups[i].first.max.lat, + track_groups[j].first.max.lat); + track_groups[i].first.max.lon = fmax(track_groups[i].first.max.lon, + track_groups[j].first.max.lon); + track_groups[i].first.max.ele = fmax(track_groups[i].first.max.ele, + track_groups[j].first.max.ele); // std::cout << "first.min.lat: " << track_groups[i].first.min.lat << ", " // << "first.min.lon: " << track_groups[i].first.min.lon << ", " @@ -308,7 +335,8 @@ int main(int argc, char *argv[]) p.lat *= 500; p.lon *= 500; - p.ele *= 0.1; + // p.ele *= 0.001; + p.ele *= 0.01; } } // }