void CrowdTool::handleMenu()
{
if (imguiCheck("Create Agents", m_mode == TOOLMODE_CREATE))
m_mode = TOOLMODE_CREATE;
if (imguiCheck("Move Target", m_mode == TOOLMODE_MOVE_TARGET))
m_mode = TOOLMODE_MOVE_TARGET;
imguiSeparator();
if (m_mode == TOOLMODE_CREATE)
{
imguiValue("Click to add agents.");
imguiValue("Shift+Click to remove.");
}
else if (m_mode == TOOLMODE_MOVE_TARGET)
{
imguiValue("Click to set move target.");
imguiValue("Shift+Click to adjust target.");
imguiValue("Adjusting uses special pathfinder");
imguiValue("which is really fast to change the");
imguiValue("target in small increments.");
}
imguiSeparator();
imguiSeparator();
if (imguiCollapse("Options", 0, m_expandOptions))
m_expandOptions = !m_expandOptions;
if (m_expandOptions)
{
imguiIndent();
if (imguiCheck("Optimize Visibility", m_optimizeVis))
m_optimizeVis = !m_optimizeVis;
if (imguiCheck("Optimize Topology", m_optimizeTopo))
m_optimizeTopo = !m_optimizeTopo;
if (imguiCheck("Anticipate Turns", m_anticipateTurns))
m_anticipateTurns = !m_anticipateTurns;
if (imguiCheck("Use VO", m_useVO))
m_useVO = !m_useVO;
if (imguiCheck("Drunk Move", m_drunkMove))
m_drunkMove = !m_drunkMove;
imguiUnindent();
}
if (imguiCollapse("Debug Draw", 0, m_expandDebugDraw))
m_expandDebugDraw = !m_expandDebugDraw;
if (m_expandDebugDraw)
{
imguiIndent();
if (imguiCheck("Show Labels", m_showLabels))
m_showLabels = !m_showLabels;
if (imguiCheck("Show Corners", m_showCorners))
m_showCorners = !m_showCorners;
if (imguiCheck("Show Targets", m_showTargets))
m_showTargets = !m_showTargets;
if (imguiCheck("Show Collision Segs", m_showCollisionSegments))
m_showCollisionSegments = !m_showCollisionSegments;
if (imguiCheck("Show Path", m_showPath))
m_showPath = !m_showPath;
if (imguiCheck("Show VO", m_showVO))
m_showVO = !m_showVO;
if (imguiCheck("Show Path Optimization", m_showOpt))
m_showOpt = !m_showOpt;
if (imguiCheck("Show Prox Grid", m_showGrid))
m_showGrid = !m_showGrid;
if (imguiCheck("Show Nodes", m_showNodes))
m_showNodes = !m_showNodes;
if (imguiCheck("Show Perf Graph", m_showPerfGraph))
m_showPerfGraph = !m_showPerfGraph;
imguiUnindent();
}
}
bool TestCase::handleRenderOverlay(double* proj, double* model, int* view)
{
GLdouble x, y, z;
char text[64], subtext[64];
int n = 0;
static const float LABEL_DIST = 1.0f;
for (Test* iter = m_tests; iter; iter = iter->next)
{
float pt[3], dir[3];
if (iter->nstraight)
{
dtVcopy(pt, &iter->straight[3]);
if (dtVdist(pt, iter->spos) > LABEL_DIST)
{
dtVsub(dir, pt, iter->spos);
dtVnormalize(dir);
dtVmad(pt, iter->spos, dir, LABEL_DIST);
}
pt[1]+=0.5f;
}
else
{
dtVsub(dir, iter->epos, iter->spos);
dtVnormalize(dir);
dtVmad(pt, iter->spos, dir, LABEL_DIST);
pt[1]+=0.5f;
}
if (gluProject((GLdouble)pt[0], (GLdouble)pt[1], (GLdouble)pt[2],
model, proj, view, &x, &y, &z))
{
snprintf(text, 64, "Path %d\n", n);
unsigned int col = imguiRGBA(0,0,0,128);
if (iter->expand)
col = imguiRGBA(255,192,0,220);
imguiDrawText((int)x, (int)(y-25), IMGUI_ALIGN_CENTER, text, col);
}
n++;
}
static int resScroll = 0;
bool mouseOverMenu = imguiBeginScrollArea("Test Results", 10, view[3] - 10 - 350, 200, 350, &resScroll);
// mouseOverMenu = true;
n = 0;
for (Test* iter = m_tests; iter; iter = iter->next)
{
const int total = iter->findNearestPolyTime + iter->findPathTime + iter->findStraightPathTime;
snprintf(subtext, 64, "%.4f ms", (float)total/1000.0f);
snprintf(text, 64, "Path %d", n);
if (imguiCollapse(text, subtext, iter->expand))
iter->expand = !iter->expand;
if (iter->expand)
{
snprintf(text, 64, "Poly: %.4f ms", (float)iter->findNearestPolyTime/1000.0f);
imguiValue(text);
snprintf(text, 64, "Path: %.4f ms", (float)iter->findPathTime/1000.0f);
imguiValue(text);
snprintf(text, 64, "Straight: %.4f ms", (float)iter->findStraightPathTime/1000.0f);
imguiValue(text);
imguiSeparator();
}
n++;
}
imguiEndScrollArea();
return mouseOverMenu;
}
void CrowdTool::handleMenu()
{
if (!m_state)
return;
CrowdToolParams* params = m_state->getToolParams();
if (imguiCheck("Create Agents", m_mode == TOOLMODE_CREATE))
m_mode = TOOLMODE_CREATE;
if (imguiCheck("Move Target", m_mode == TOOLMODE_MOVE_TARGET))
m_mode = TOOLMODE_MOVE_TARGET;
if (imguiCheck("Select Agent", m_mode == TOOLMODE_SELECT))
m_mode = TOOLMODE_SELECT;
if (imguiCheck("Toggle Polys", m_mode == TOOLMODE_TOGGLE_POLYS))
m_mode = TOOLMODE_TOGGLE_POLYS;
imguiSeparatorLine();
if (imguiCollapse("Options", 0, params->m_expandOptions))
params->m_expandOptions = !params->m_expandOptions;
if (params->m_expandOptions)
{
imguiIndent();
if (imguiCheck("Optimize Visibility", params->m_optimizeVis))
{
params->m_optimizeVis = !params->m_optimizeVis;
m_state->updateAgentParams();
}
if (imguiCheck("Optimize Topology", params->m_optimizeTopo))
{
params->m_optimizeTopo = !params->m_optimizeTopo;
m_state->updateAgentParams();
}
if (imguiCheck("Anticipate Turns", params->m_anticipateTurns))
{
params->m_anticipateTurns = !params->m_anticipateTurns;
m_state->updateAgentParams();
}
if (imguiCheck("Obstacle Avoidance", params->m_obstacleAvoidance))
{
params->m_obstacleAvoidance = !params->m_obstacleAvoidance;
m_state->updateAgentParams();
}
if (imguiSlider("Avoidance Quality", ¶ms->m_obstacleAvoidanceType, 0.0f, 3.0f, 1.0f))
{
m_state->updateAgentParams();
}
if (imguiCheck("Separation", params->m_separation))
{
params->m_separation = !params->m_separation;
m_state->updateAgentParams();
}
if (imguiSlider("Separation Weight", ¶ms->m_separationWeight, 0.0f, 20.0f, 0.01f))
{
m_state->updateAgentParams();
}
imguiUnindent();
}
if (imguiCollapse("Selected Debug Draw", 0, params->m_expandSelectedDebugDraw))
params->m_expandSelectedDebugDraw = !params->m_expandSelectedDebugDraw;
if (params->m_expandSelectedDebugDraw)
{
imguiIndent();
if (imguiCheck("Show Corners", params->m_showCorners))
params->m_showCorners = !params->m_showCorners;
if (imguiCheck("Show Collision Segs", params->m_showCollisionSegments))
params->m_showCollisionSegments = !params->m_showCollisionSegments;
if (imguiCheck("Show Path", params->m_showPath))
params->m_showPath = !params->m_showPath;
if (imguiCheck("Show VO", params->m_showVO))
params->m_showVO = !params->m_showVO;
if (imguiCheck("Show Path Optimization", params->m_showOpt))
params->m_showOpt = !params->m_showOpt;
if (imguiCheck("Show Neighbours", params->m_showNeis))
params->m_showNeis = !params->m_showNeis;
imguiUnindent();
}
if (imguiCollapse("Debug Draw", 0, params->m_expandDebugDraw))
params->m_expandDebugDraw = !params->m_expandDebugDraw;
if (params->m_expandDebugDraw)
{
imguiIndent();
if (imguiCheck("Show Labels", params->m_showLabels))
params->m_showLabels = !params->m_showLabels;
if (imguiCheck("Show Prox Grid", params->m_showGrid))
params->m_showGrid = !params->m_showGrid;
if (imguiCheck("Show Nodes", params->m_showNodes))
params->m_showNodes = !params->m_showNodes;
if (imguiCheck("Show Perf Graph", params->m_showPerfGraph))
params->m_showPerfGraph = !params->m_showPerfGraph;
if (imguiCheck("Show Detail All", params->m_showDetailAll))
params->m_showDetailAll = !params->m_showDetailAll;
imguiUnindent();
}
}
int main( int argc, char **argv )
{
int width = 1024, height=768;
// Initialise GLFW
if( !glfwInit() )
{
fprintf( stderr, "Failed to initialize GLFW\n" );
exit( EXIT_FAILURE );
}
// Open a window and create its OpenGL context
if( !glfwOpenWindow( width, height, 0,0,0,0, 24,0, GLFW_WINDOW ) )
{
fprintf( stderr, "Failed to open GLFW window\n" );
glfwTerminate();
exit( EXIT_FAILURE );
}
glfwSetWindowTitle( "imgui sample imguiRenderGL2" );
GLenum err = glewInit();
if (GLEW_OK != err)
{
/* Problem: glewInit failed, something is seriously wrong. */
fprintf(stderr, "Error: %s\n", glewGetErrorString(err));
exit( EXIT_FAILURE );
}
// Ensure we can capture the escape key being pressed below
glfwEnable( GLFW_STICKY_KEYS );
// Enable vertical sync (on cards that support it)
glfwSwapInterval( 1 );
// Init UI
if (!imguiRenderGLInit("DroidSans.ttf"))
{
fprintf(stderr, "Could not init GUI renderer.\n");
exit(EXIT_FAILURE);
}
glClearColor(0.8f, 0.8f, 0.8f, 1.f);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDisable(GL_DEPTH_TEST);
// imgui states
bool checked1 = false;
bool checked2 = false;
bool checked3 = true;
bool checked4 = false;
float value1 = 50.f;
float value2 = 30.f;
int scrollarea1 = 0;
int scrollarea2 = 0;
// glfw scrolling
int glfwscroll = 0;
do
{
glfwGetWindowSize(&width, &height);
glViewport(0, 0, width, height);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Mouse states
unsigned char mousebutton = 0;
int currentglfwscroll = glfwGetMouseWheel();
int mscroll = 0;
if (currentglfwscroll < glfwscroll)
mscroll = 2;
if (currentglfwscroll > glfwscroll)
mscroll = -2;
glfwscroll = currentglfwscroll;
int mousex; int mousey;
glfwGetMousePos(&mousex, &mousey);
mousey = height - mousey;
int leftButton = glfwGetMouseButton( GLFW_MOUSE_BUTTON_LEFT );
int rightButton = glfwGetMouseButton( GLFW_MOUSE_BUTTON_RIGHT );
int middleButton = glfwGetMouseButton( GLFW_MOUSE_BUTTON_MIDDLE );
int toggle = 0;
if( leftButton == GLFW_PRESS )
mousebutton |= IMGUI_MBUT_LEFT;
// Draw UI
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
float projection[16] = { 2.f/width, 0.f, 0.f, 0.f,
0.f, 2.f/height, 0.f, 0.f,
0.f, 0.f, -2.f, 0.f,
-1.f, -1.f, -1.f, 1.f };
glLoadMatrixf(projection);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glUseProgram(0);
imguiBeginFrame(mousex, mousey, mousebutton, mscroll);
imguiBeginScrollArea("Scroll area", 10, 10, width / 5, height - 20, &scrollarea1);
imguiSeparatorLine();
imguiSeparator();
imguiButton("Button");
imguiButton("Disabled button", false);
imguiItem("Item");
imguiItem("Disabled item", false);
toggle = imguiCheck("Checkbox", checked1);
if (toggle)
checked1 = !checked1;
toggle = imguiCheck("Disabled checkbox", checked2, false);
if (toggle)
checked2 = !checked2;
toggle = imguiCollapse("Collapse", "subtext", checked3);
if (checked3)
{
imguiIndent();
imguiLabel("Collapsible element");
imguiUnindent();
}
if (toggle)
checked3 = !checked3;
toggle = imguiCollapse("Disabled collapse", "subtext", checked4, false);
if (toggle)
checked4 = !checked4;
imguiLabel("Label");
imguiValue("Value");
imguiSlider("Slider", &value1, 0.f, 100.f, 1.f);
imguiSlider("Disabled slider", &value2, 0.f, 100.f, 1.f, false);
imguiIndent();
imguiLabel("Indented");
imguiUnindent();
imguiLabel("Unindented");
imguiEndScrollArea();
imguiBeginScrollArea("Scroll area", 20 + width / 5, 500, width / 5, height - 510, &scrollarea2);
imguiSeparatorLine();
imguiSeparator();
for (int i = 0; i < 100; ++i)
imguiLabel("A wall of text");
imguiEndScrollArea();
imguiEndFrame();
imguiDrawText(30 + width / 5 * 2, height - 20, IMGUI_ALIGN_LEFT, "Free text", imguiRGBA(32,192, 32,192));
imguiDrawText(30 + width / 5 * 2 + 100, height - 40, IMGUI_ALIGN_RIGHT, "Free text", imguiRGBA(32, 32, 192, 192));
imguiDrawText(30 + width / 5 * 2 + 50, height - 60, IMGUI_ALIGN_CENTER, "Free text", imguiRGBA(192, 32, 32,192));
imguiDrawLine(30 + width / 5 * 2, height - 80, 30 + width / 5 * 2 + 100, height - 60, 1.f, imguiRGBA(32,192, 32,192));
imguiDrawLine(30 + width / 5 * 2, height - 100, 30 + width / 5 * 2 + 100, height - 80, 2.f, imguiRGBA(32, 32, 192, 192));
imguiDrawLine(30 + width / 5 * 2, height - 120, 30 + width / 5 * 2 + 100, height - 100, 3.f, imguiRGBA(192, 32, 32,192));
imguiDrawRoundedRect(30 + width / 5 * 2, height - 240, 100, 100, 5.f, imguiRGBA(32,192, 32,192));
imguiDrawRoundedRect(30 + width / 5 * 2, height - 350, 100, 100, 10.f, imguiRGBA(32, 32, 192, 192));
imguiDrawRoundedRect(30 + width / 5 * 2, height - 470, 100, 100, 20.f, imguiRGBA(192, 32, 32,192));
imguiDrawRect(30 + width / 5 * 2, height - 590, 100, 100, imguiRGBA(32, 192, 32, 192));
imguiDrawRect(30 + width / 5 * 2, height - 710, 100, 100, imguiRGBA(32, 32, 192, 192));
imguiDrawRect(30 + width / 5 * 2, height - 830, 100, 100, imguiRGBA(192, 32, 32,192));
imguiRenderGLDraw(width, height);
// Check for errors
GLenum err = glGetError();
if(err != GL_NO_ERROR)
{
fprintf(stderr, "OpenGL Error : %s\n", gluErrorString(err));
}
// Swap buffers
glfwSwapBuffers();
} // Check if the ESC key was pressed or the window was closed
while( glfwGetKey( GLFW_KEY_ESC ) != GLFW_PRESS &&
glfwGetWindowParam( GLFW_OPENED ) );
// Clean UI
imguiRenderGLDestroy();
// Close OpenGL window and terminate GLFW
glfwTerminate();
exit( EXIT_SUCCESS );
}
int main( int argc, char **argv )
{
int width = 1024, height=768;
float widthf = (float) width, heightf = (float) height;
double t;
float fps = 0.f;
// Initialise GLFW
if( !glfwInit() )
{
fprintf( stderr, "Failed to initialize GLFW\n" );
exit( EXIT_FAILURE );
}
// Force core profile on Mac OSX
#ifdef __APPLE__
glfwOpenWindowHint(GLFW_OPENGL_VERSION_MAJOR, 3);
glfwOpenWindowHint(GLFW_OPENGL_VERSION_MINOR, 2);
glfwOpenWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
glfwOpenWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
#endif
// Open a window and create its OpenGL context
if( !glfwOpenWindow( width, height, 0,0,0,0, 24, 0, GLFW_WINDOW ) )
{
fprintf( stderr, "Failed to open GLFW window\n" );
glfwTerminate();
exit( EXIT_FAILURE );
}
glfwSetWindowTitle( "002_forward_a" );
// Core profile is flagged as experimental in glew
#ifdef __APPLE__
glewExperimental = GL_TRUE;
#endif
GLenum err = glewInit();
if (GLEW_OK != err)
{
/* Problem: glewInit failed, something is seriously wrong. */
fprintf(stderr, "Error: %s\n", glewGetErrorString(err));
exit( EXIT_FAILURE );
}
// Ensure we can capture the escape key being pressed below
glfwEnable( GLFW_STICKY_KEYS );
// Enable vertical sync (on cards that support it)
glfwSwapInterval( 1 );
GLenum glerr = GL_NO_ERROR;
glerr = glGetError();
if (!imguiRenderGLInit(DroidSans_ttf, DroidSans_ttf_len))
{
fprintf(stderr, "Could not init GUI renderer.\n");
exit(EXIT_FAILURE);
}
// Init viewer structures
Camera camera;
camera_defaults(camera);
GUIStates guiStates;
init_gui_states(guiStates);
// GUI
float intensity = 1.0;
// Load images and upload textures
GLuint textures[3];
glGenTextures(3, textures);
int x;
int y;
int comp;
unsigned char * diffuse = stbi_load("textures/spnza_bricks_a_diff.tga", &x, &y, &comp, 3);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, textures[0]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, x, y, 0, GL_RGB, GL_UNSIGNED_BYTE, diffuse);
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);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
fprintf(stderr, "Diffuse %dx%d:%d\n", x, y, comp);
unsigned char * spec = stbi_load("textures/spnza_bricks_a_spec.tga", &x, &y, &comp, 1);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, textures[1]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RED, x, y, 0, GL_RED, GL_UNSIGNED_BYTE, spec);
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);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
fprintf(stderr, "Spec %dx%d:%d\n", x, y, comp);
// Try to load and compile shader
ShaderGLSL shader;
const char * shaderFile = "002/1.glsl";
//int status = load_shader_from_file(shader, shaderFile, ShaderGLSL::VERTEX_SHADER | ShaderGLSL::FRAGMENT_SHADER | ShaderGLSL::GEOMETRY_SHADER);
int status = load_shader_from_file(shader, shaderFile, ShaderGLSL::VERTEX_SHADER | ShaderGLSL::FRAGMENT_SHADER);
if ( status == -1 )
{
fprintf(stderr, "Error on loading %s\n", shaderFile);
exit( EXIT_FAILURE );
}
// Apply shader
GLuint program = shader.program;
glUseProgram(program);
GLuint projectionLocation = glGetUniformLocation(program, "Projection");
GLuint viewLocation = glGetUniformLocation(program, "View");
GLuint objectLocation = glGetUniformLocation(program, "Object");
GLuint timeLocation = glGetUniformLocation(program, "Time");
GLuint diffuseLocation = glGetUniformLocation(program, "Diffuse");
GLuint specLocation = glGetUniformLocation(program, "Spec");
GLuint intensityLocation = glGetUniformLocation(program, "Intensity");
GLuint cameraPositionLocation = glGetUniformLocation(program, "CameraPosition");
GLuint lightPositionLocation = glGetUniformLocation(program, "LightPosition");
GLuint lightIntensityLocation = glGetUniformLocation(program, "LightIntensity");
GLuint diffuseColorLocation = glGetUniformLocation(program, "DiffuseColor");
GLuint specularColorLocation = glGetUniformLocation(program, "SpecularColor");
GLuint specularFactorLocation = glGetUniformLocation(program, "SpecularFactor");
GLuint lightPositionLocation2 = glGetUniformLocation(program, "LightPosition2");
GLuint lightIntensityLocation2 = glGetUniformLocation(program, "LightIntensity2");
GLuint diffuseColorLocation2 = glGetUniformLocation(program, "DiffuseColor2");
GLuint specularColorLocation2 = glGetUniformLocation(program, "SpecularColor2");
GLuint specularFactorLocation2 = glGetUniformLocation(program, "SpecularFactor2");
GLuint spotLightExternalAngleLocation = glGetUniformLocation(program, "SpotLightExternalAngle");
GLuint spotLightInternalAngleLocation = glGetUniformLocation(program, "SpotLightInternalAngle");
// Load geometry
int cube_triangleCount = 12;
int cube_triangleList[] = {0, 1, 2, 2, 1, 3, 4, 5, 6, 6, 5, 7, 8, 9, 10, 10, 9, 11, 12, 13, 14, 14, 13, 15, 16, 17, 18, 19, 17, 20, 21, 22, 23, 24, 25, 26, };
float cube_uvs[] = {0.f, 0.f, 0.f, 1.f, 1.f, 0.f, 1.f, 1.f, 0.f, 0.f, 0.f, 1.f, 1.f, 0.f, 1.f, 1.f, 0.f, 0.f, 0.f, 1.f, 1.f, 0.f, 1.f, 1.f, 0.f, 0.f, 0.f, 1.f, 1.f, 0.f, 1.f, 1.f, 0.f, 0.f, 0.f, 1.f, 1.f, 0.f, 1.f, 0.f, 1.f, 1.f, 0.f, 1.f, 1.f, 1.f, 0.f, 0.f, 0.f, 0.f, 1.f, 1.f, 1.f, 0.f, };
float cube_vertices[] = {-0.5, -0.5, 0.5, 0.5, -0.5, 0.5, -0.5, 0.5, 0.5, 0.5, 0.5, 0.5, -0.5, 0.5, 0.5, 0.5, 0.5, 0.5, -0.5, 0.5, -0.5, 0.5, 0.5, -0.5, -0.5, 0.5, -0.5, 0.5, 0.5, -0.5, -0.5, -0.5, -0.5, 0.5, -0.5, -0.5, -0.5, -0.5, -0.5, 0.5, -0.5, -0.5, -0.5, -0.5, 0.5, 0.5, -0.5, 0.5, 0.5, -0.5, 0.5, 0.5, -0.5, -0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, -0.5, -0.5, -0.5, -0.5, -0.5, -0.5, 0.5, -0.5, 0.5, -0.5, -0.5, 0.5, -0.5, -0.5, -0.5, 0.5, -0.5, 0.5, 0.5 };
float cube_normals[] = {0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, };
int plane_triangleCount = 2;
int plane_triangleList[] = {0, 1, 2, 2, 1, 3};
float plane_uvs[] = {0.f, 0.f, 0.f, 10.f, 10.f, 0.f, 10.f, 10.f};
float plane_vertices[] = {-50.0, -1.0, 50.0, 50.0, -1.0, 50.0, -50.0, -1.0, -50.0, 50.0, -1.0, -50.0};
float plane_normals[] = {0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0};
// Vertex Array Object
GLuint vao[2];
glGenVertexArrays(2, vao);
// Vertex Buffer Objects
GLuint vbo[8];
glGenBuffers(8, vbo);
// Cube
glBindVertexArray(vao[0]);
// Bind indices and upload data
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, vbo[0]);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(cube_triangleList), cube_triangleList, GL_STATIC_DRAW);
// Bind vertices and upload data
glBindBuffer(GL_ARRAY_BUFFER, vbo[1]);
glEnableVertexAttribArray(0);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(GL_FLOAT)*3, (void*)0);
glBufferData(GL_ARRAY_BUFFER, sizeof(cube_vertices), cube_vertices, GL_STATIC_DRAW);
// Bind normals and upload data
glBindBuffer(GL_ARRAY_BUFFER, vbo[2]);
glEnableVertexAttribArray(1);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, sizeof(GL_FLOAT)*3, (void*)0);
glBufferData(GL_ARRAY_BUFFER, sizeof(cube_normals), cube_normals, GL_STATIC_DRAW);
// Bind uv coords and upload data
glBindBuffer(GL_ARRAY_BUFFER, vbo[3]);
glEnableVertexAttribArray(2);
glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, sizeof(GL_FLOAT)*2, (void*)0);
glBufferData(GL_ARRAY_BUFFER, sizeof(cube_uvs), cube_uvs, GL_STATIC_DRAW);
// Plane
glBindVertexArray(vao[1]);
// Bind indices and upload data
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, vbo[4]);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(plane_triangleList), plane_triangleList, GL_STATIC_DRAW);
// Bind vertices and upload data
glBindBuffer(GL_ARRAY_BUFFER, vbo[5]);
glEnableVertexAttribArray(0);
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(GL_FLOAT)*3, (void*)0);
glBufferData(GL_ARRAY_BUFFER, sizeof(plane_vertices), plane_vertices, GL_STATIC_DRAW);
// Bind normals and upload data
glBindBuffer(GL_ARRAY_BUFFER, vbo[6]);
glEnableVertexAttribArray(1);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, sizeof(GL_FLOAT)*3, (void*)0);
glBufferData(GL_ARRAY_BUFFER, sizeof(plane_normals), plane_normals, GL_STATIC_DRAW);
// Bind uv coords and upload data
glBindBuffer(GL_ARRAY_BUFFER, vbo[7]);
glEnableVertexAttribArray(2);
glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, sizeof(GL_FLOAT)*2, (void*)0);
glBufferData(GL_ARRAY_BUFFER, sizeof(plane_uvs), plane_uvs, GL_STATIC_DRAW);
// Unbind everything. Potentially illegal on some implementations
glBindVertexArray(0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
// Viewport
glViewport( 0, 0, width, height );
// Default states
glm::vec3 lightPosition(0.0, 1.0, 10);
float lightIntensity = 1.0f;
glm::vec3 diffuseColor(1.0, 1.0, 1.0);
glm::vec3 specularColor(1.0, 1.0, 1.0);
float specularFactor = 100.f;
glm::vec3 lightPosition2(1.0, 0.0, 10);
float lightIntensity2 = 1.0f;
glm::vec3 diffuseColor2(1.0, 0.0, 0.0);
glm::vec3 specularColor2(1.0, 1.0, 1.0);
float specularFactor2 = 100.f;
float spotLightInternal = M_PI/32;
float spotLightExternal = M_PI/16;
bool checkedLight1 = true;
bool checkedLight2 = false;
bool checkedLight3 = false;
do
{
t = glfwGetTime();
glEnable(GL_DEPTH_TEST);
// Mouse states
int leftButton = glfwGetMouseButton( GLFW_MOUSE_BUTTON_LEFT );
int rightButton = glfwGetMouseButton( GLFW_MOUSE_BUTTON_RIGHT );
int middleButton = glfwGetMouseButton( GLFW_MOUSE_BUTTON_MIDDLE );
if( leftButton == GLFW_PRESS )
guiStates.turnLock = true;
else
guiStates.turnLock = false;
if( rightButton == GLFW_PRESS )
guiStates.zoomLock = true;
else
guiStates.zoomLock = false;
if( middleButton == GLFW_PRESS )
guiStates.panLock = true;
else
guiStates.panLock = false;
// Camera movements
int altPressed = glfwGetKey(GLFW_KEY_LSHIFT);
if (!altPressed && (leftButton == GLFW_PRESS || rightButton == GLFW_PRESS || middleButton == GLFW_PRESS))
{
int x; int y;
glfwGetMousePos(&x, &y);
guiStates.lockPositionX = x;
guiStates.lockPositionY = y;
}
if (altPressed == GLFW_PRESS)
{
int mousex; int mousey;
glfwGetMousePos(&mousex, &mousey);
int diffLockPositionX = mousex - guiStates.lockPositionX;
int diffLockPositionY = mousey - guiStates.lockPositionY;
if (guiStates.zoomLock)
{
float zoomDir = 0.0;
if (diffLockPositionX > 0)
zoomDir = -1.f;
else if (diffLockPositionX < 0 )
zoomDir = 1.f;
camera_zoom(camera, zoomDir * GUIStates::MOUSE_ZOOM_SPEED);
}
else if (guiStates.turnLock)
{
camera_turn(camera, diffLockPositionY * GUIStates::MOUSE_TURN_SPEED,
diffLockPositionX * GUIStates::MOUSE_TURN_SPEED);
}
else if (guiStates.panLock)
{
camera_pan(camera, diffLockPositionX * GUIStates::MOUSE_PAN_SPEED,
diffLockPositionY * GUIStates::MOUSE_PAN_SPEED);
}
guiStates.lockPositionX = mousex;
guiStates.lockPositionY = mousey;
}
// Get camera matrices
glm::mat4 projection = glm::perspective(45.0f, widthf / heightf, 0.1f, 100.f);
glm::mat4 worldToView = glm::lookAt(camera.eye, camera.o, camera.up);
glm::mat4 objectToWorld;
// Clear the front buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Bind textures
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, textures[0]);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, textures[1]);
// Bind shader
glUseProgram(program);
// Upload uniforms
glUniformMatrix4fv(projectionLocation, 1, 0, glm::value_ptr(projection));
glUniformMatrix4fv(viewLocation, 1, 0, glm::value_ptr(worldToView));
glUniformMatrix4fv(objectLocation, 1, 0, glm::value_ptr(objectToWorld));
glUniform1f(timeLocation, t);
glUniform3fv(cameraPositionLocation, 1, glm::value_ptr(camera.eye));
glUniform1f(intensityLocation, intensity);
glUniform1i(diffuseLocation, 0);
glUniform1i(specLocation, 1);
glUniform3fv(lightPositionLocation, 1, glm::value_ptr(lightPosition));
glUniform1f(lightIntensityLocation, lightIntensity);
glUniform3fv(diffuseColorLocation, 1, glm::value_ptr(diffuseColor));
glUniform3fv(specularColorLocation, 1, glm::value_ptr(specularColor));
glUniform1f(specularFactorLocation, specularFactor);
glUniform3fv(lightPositionLocation2, 1, glm::value_ptr(lightPosition2));
glUniform1f(lightIntensityLocation2, lightIntensity2);
glUniform3fv(diffuseColorLocation2, 1, glm::value_ptr(diffuseColor2));
glUniform3fv(specularColorLocation2, 1, glm::value_ptr(specularColor2));
glUniform1f(specularFactorLocation2, specularFactor2);
glUniform1f(spotLightInternalAngleLocation, spotLightInternal);
glUniform1f(spotLightExternalAngleLocation, spotLightExternal);
// Render vaos
glBindVertexArray(vao[0]);
glDrawElementsInstanced(GL_TRIANGLES, cube_triangleCount * 3, GL_UNSIGNED_INT, (void*)0, 4);
glBindVertexArray(vao[1]);
glDrawElements(GL_TRIANGLES, plane_triangleCount * 3, GL_UNSIGNED_INT, (void*)0);
#if 1
// Draw UI
glDisable(GL_DEPTH_TEST);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glViewport(0, 0, width, height);
unsigned char mbut = 0;
int mscroll = 0;
int mousex; int mousey;
glfwGetMousePos(&mousex, &mousey);
mousey = height - mousey;
if( leftButton == GLFW_PRESS )
mbut |= IMGUI_MBUT_LEFT;
imguiBeginFrame(mousex, mousey, mbut, mscroll);
int logScroll = 0;
char lineBuffer[512];
imguiBeginScrollArea("001", 0, 0, 200, height, &logScroll);
sprintf(lineBuffer, "FPS %f", fps);
imguiLabel(lineBuffer);
int toggle = 0;
toggle = imguiCollapse("Light1", "", checkedLight1);
if(checkedLight1)
{
imguiIndent();
imguiIndent();
imguiLabel("Light Position");
imguiIndent();
imguiSlider("x", &lightPosition.x, -10, 10, 0.01);
imguiSlider("y", &lightPosition.y, -10, 10, 0.01);
imguiSlider("z", &lightPosition.z, -10, 10, 0.01);
imguiUnindent();
imguiSlider("Light Intensity", &lightIntensity, 0, 3, 0.01);
imguiLabel("Diffuse Color");
imguiIndent();
imguiSlider("r", &diffuseColor.x, 0, 1, 0.001);
imguiSlider("g", &diffuseColor.y, 0, 1, 0.001);
imguiSlider("b", &diffuseColor.z, 0, 1, 0.001);
imguiUnindent();
imguiLabel("Specular Color");
imguiIndent();
imguiSlider("r", &specularColor.x, 0, 1, 0.001);
imguiSlider("g", &specularColor.y, 0, 1, 0.001);
imguiSlider("b", &specularColor.z, 0, 1, 0.001);
imguiUnindent();
imguiSlider("Specular Intensity", &specularFactor, 0, 100, 1);
imguiUnindent();
imguiUnindent();
}
if (toggle)
{
checkedLight1 = !checkedLight1;
}
toggle = imguiCollapse("Light2", "", checkedLight2);
if(checkedLight2)
{
imguiIndent();
imguiIndent();
imguiLabel("Light Position");
imguiIndent();
imguiSlider("x", &lightPosition2.x, -10, 10, 0.01);
imguiSlider("y", &lightPosition2.y, -10, 10, 0.01);
imguiSlider("z", &lightPosition2.z, -10, 10, 0.01);
imguiUnindent();
imguiSlider("Light Intensity", &lightIntensity2, 0, 3, 0.01);
imguiLabel("Diffuse Color");
imguiIndent();
imguiSlider("r", &diffuseColor2.x, 0, 1, 0.001);
imguiSlider("g", &diffuseColor2.y, 0, 1, 0.001);
imguiSlider("b", &diffuseColor2.z, 0, 1, 0.001);
imguiUnindent();
imguiLabel("Specular Color");
imguiIndent();
imguiSlider("r", &specularColor2.x, 0, 1, 0.001);
imguiSlider("g", &specularColor2.y, 0, 1, 0.001);
imguiSlider("b", &specularColor2.z, 0, 1, 0.001);
imguiUnindent();
imguiSlider("Specular Intensity", &specularFactor2, 0, 100, 1);
imguiUnindent();
imguiUnindent();
}
if (toggle)
{
checkedLight2 = !checkedLight2;
}
toggle = imguiCollapse("SpotLight", "", checkedLight3);
if(checkedLight3)
{
imguiIndent();
imguiIndent();
imguiSlider("External Angle", &spotLightExternal, 0, 2, 0.01);
imguiSlider("Internal Angle", &spotLightInternal, 0, 2, 0.01);
imguiUnindent();
imguiUnindent();
}
if (toggle)
{
checkedLight3 = !checkedLight3;
}
imguiEndScrollArea();
imguiEndFrame();
imguiRenderGLDraw(width, height);
glDisable(GL_BLEND);
#endif
// Check for errors
GLenum err = glGetError();
if(err != GL_NO_ERROR)
{
fprintf(stderr, "OpenGL Error : %s\n", gluErrorString(err));
}
// Swap buffers
glfwSwapBuffers();
} // Check if the ESC key was pressed or the window was closed
while( glfwGetKey( GLFW_KEY_ESC ) != GLFW_PRESS &&
glfwGetWindowParam( GLFW_OPENED ) );
// Clean UI
imguiRenderGLDestroy();
// Close OpenGL window and terminate GLFW
glfwTerminate();
exit( EXIT_SUCCESS );
}
