mat4 inline getInverseRatationMatrixRender() {
return eulerAngleYXZ(0.0f, PI / 2, 0.0f);
}
MillerRender::MillerRender()
{
gLookAtOther = true;
gPosition1 = vec3(-1.5f, 0.0f, 0.0f);
// gOrientation1;
// Initialise GLFW
if( !glfwInit() )
{
fprintf( stderr, "Failed to initialize GLFW\n" );
//return -1;exit
}
glfwWindowHint(GLFW_SAMPLES, 4);
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
// Open a window and create its OpenGL context
window = glfwCreateWindow( 1024, 768, "Tutorial 17 - Rotations", NULL, NULL);
if( window == NULL ){
fprintf( stderr, "Failed to open GLFW window. If you have an Intel GPU, they are not 3.3 compatible. Try the 2.1 version of the tutorials.\n" );
glfwTerminate();
// return -1;exit
}
glfwMakeContextCurrent(window);
// Initialize GLEW
glewExperimental = true; // Needed for core profile
if (glewInit() != GLEW_OK) {
fprintf(stderr, "Failed to initialize GLEW\n");
// return -1; exit
}
//initGL(window);
// Initialize the GUI
TwInit(TW_OPENGL_CORE, NULL);
TwWindowSize(1024, 768);
TwBar * EulerGUI = TwNewBar("Euler settings");
// TwBar * QuaternionGUI = TwNewBar("Quaternion settings");
TwSetParam(EulerGUI, NULL, "refresh", TW_PARAM_CSTRING, 1, "0.1");
// TwSetParam(QuaternionGUI, NULL, "position", TW_PARAM_CSTRING, 1, "808 16");
TwAddVarRW(EulerGUI, "Euler X", TW_TYPE_FLOAT, &gOrientation1.x, "step=0.01");
TwAddVarRW(EulerGUI, "Euler Y", TW_TYPE_FLOAT, &gOrientation1.y, "step=0.01");
TwAddVarRW(EulerGUI, "Euler Z", TW_TYPE_FLOAT, &gOrientation1.z, "step=0.01");
TwAddVarRW(EulerGUI, "Pos X" , TW_TYPE_FLOAT, &gPosition1.x, "step=0.1");
TwAddVarRW(EulerGUI, "Pos Y" , TW_TYPE_FLOAT, &gPosition1.y, "step=0.1");
TwAddVarRW(EulerGUI, "Pos Z" , TW_TYPE_FLOAT, &gPosition1.z, "step=0.1");
//TwAddVarRW(QuaternionGUI, "Quaternion", TW_TYPE_QUAT4F, &gOrientation2, "showval=true open=true ");
//TwAddVarRW(QuaternionGUI, "Use LookAt", TW_TYPE_BOOL8 , &gLookAtOther, "help='Look at the other monkey ?'");
// Set GLFW event callbacks. I removed glfwSetWindowSizeCallback for conciseness
glfwSetMouseButtonCallback(window, (GLFWmousebuttonfun)TwEventMouseButtonGLFW); // - Directly redirect GLFW mouse button events to AntTweakBar
glfwSetCursorPosCallback(window, (GLFWcursorposfun)TwEventMousePosGLFW); // - Directly redirect GLFW mouse position events to AntTweakBar
glfwSetScrollCallback(window, (GLFWscrollfun)TwEventMouseWheelGLFW); // - Directly redirect GLFW mouse wheel events to AntTweakBar
glfwSetKeyCallback(window, (GLFWkeyfun)TwEventKeyGLFW); // - Directly redirect GLFW key events to AntTweakBar
glfwSetCharCallback(window, (GLFWcharfun)TwEventCharGLFW); // - Directly redirect GLFW char events to AntTweakBar
// Ensure we can capture the escape key being pressed below
glfwSetInputMode(window, GLFW_STICKY_KEYS, GL_TRUE);
glfwSetCursorPos(window, 1024/2, 768/2);
// Dark blue background
glClearColor(0.0f, 0.0f, 0.4f, 0.0f);
// Enable depth test
glEnable(GL_DEPTH_TEST);
// Accept fragment if it closer to the camera than the former one
glDepthFunc(GL_LESS);
// Cull triangles which normal is not towards the camera
glEnable(GL_CULL_FACE);
// Read our .obj file
std::vector<unsigned short> indices;
std::vector<glm::vec3> indexed_vertices;
std::vector<glm::vec2> indexed_uvs;
std::vector<glm::vec3> indexed_normals;
// load model
//char* file = "/home/kaeon/MyProgram/src/rim.stl";
//char* file = "/home/kaeon/MyProgram/src/box.stl";
char* file = "/home/kaeon/MyProgram/OpenGL-33-myproject/src/cube.obj";
//char* file = "/home/kaeon/MyProgram/OpenGL-33-myproject/src/ES4.STL";
//char* file = "/home/kaeon/MyProgram/src/suzanne.obj";
//char* file = "/home/kaeon/MyProgram/src/monkey.obj";
//loadOBJ(file,outIndices,vertexArray,uvArray,normalArray);
//bool res = loadAssImp(file, indices, indexed_vertices, indexed_uvs, indexed_normals);
loadOBJ(file, indices,indexed_vertices,indexed_uvs,indexed_normals);
ChangeVerticesCoord(indexed_vertices);
GLuint VertexArrayID;
glGenVertexArrays(1, &VertexArrayID);
glBindVertexArray(VertexArrayID);
GLuint WP_VertexArrayID;
glGenVertexArrays(1, &WP_VertexArrayID);
glBindVertexArray(WP_VertexArrayID);
// Create and compile our GLSL program from the shaders
//GLuint programID = LoadShaders( "/home/kaeon/MyProgram/opengl_test_success/SimpleTransform.vertexshader", "/home/kaeon/MyProgram/opengl_test_success/SingleColor.fragmentshader" );
programID = LoadShaders(
"/home/kaeon/MyProgram/OpenGL-33-myproject/src/StandardShading.vertexshader",
"/home/kaeon/MyProgram/OpenGL-33-myproject/src/StandardShading.fragmentshader" );
// Get a handle for our "MVP" uniform
MatrixID = glGetUniformLocation(programID, "MVP");
ViewMatrixID = glGetUniformLocation(programID, "V");
ModelMatrixID = glGetUniformLocation(programID, "M");
// Load the texture
Texture = loadDDS("/home/kaeon/MyProgram/OpenGL-33-myproject/src/uvmap.DDS");
// Get a handle for our "myTextureSampler" uniform
TextureID = glGetUniformLocation(programID, "myTextureSampler");
/***==================== My triangle=============================e **/
std::vector<unsigned short> indices2;//(101*101);
std::vector<glm::vec3> indexed_vertices2;//(101*101);
std::vector<glm::vec2> indexed_uvs2;
std::vector<glm::vec3> indexed_normals2;
//
/*
for (int i = 0; i < 101; i++) {
for (int j = 0; j < 101; j++) {
double z = sin(float(i)/10.0)*sin(float(i)/10.0);
indexed_vertices2[i] = glm::vec3( i-50, j-50, z-20.0);
}
}*/
// CalculateIndices(indices2);
// calculate indices
//loadOBJ("/home/kaeon/MyProgram/OpenGL-33-myproject/src/ES4.STL", indices2,indexed_vertices2,indexed_uvs2,indexed_normals2);
loadOBJ("/home/kaeon/MyProgram/OpenGL-33-myproject/src/cube.obj", indices2,indexed_vertices2,indexed_uvs2,indexed_normals2);
ChangeVerticesCoord(indexed_vertices2);
/***==================================================================**/
// Load it into a VBO
GLuint vertexbuffer;
glGenBuffers(1, &vertexbuffer);
glBindBuffer(GL_ARRAY_BUFFER, vertexbuffer);
// glBufferData(GL_ARRAY_BUFFER, indexed_vertices.size() * sizeof(glm::vec3), &indexed_vertices[0], GL_STATIC_DRAW);
glBufferData(GL_ARRAY_BUFFER, (indexed_vertices.size() + indexed_vertices2.size()) * sizeof(glm::vec3), 0, GL_STATIC_DRAW);
glBufferSubData(GL_ARRAY_BUFFER, 0 ,indexed_vertices.size()*sizeof(glm::vec3), &indexed_vertices[0] );
glBufferSubData(GL_ARRAY_BUFFER, indexed_vertices.size()*sizeof(glm::vec3), indexed_vertices2.size()*sizeof(glm::vec3), &indexed_vertices2[0]);
GLuint uvbuffer;
glGenBuffers(1, &uvbuffer);
glBindBuffer(GL_ARRAY_BUFFER, uvbuffer);
//glBufferData(GL_ARRAY_BUFFER, indexed_uvs.size() * sizeof(glm::vec2), &indexed_uvs[0], GL_STATIC_DRAW);
glBufferData(GL_ARRAY_BUFFER, (indexed_uvs.size()+indexed_uvs2.size() )* sizeof(glm::vec2), 0, GL_STATIC_DRAW);
glBufferSubData(GL_ARRAY_BUFFER, 0 ,indexed_uvs.size()*sizeof(glm::vec2), &indexed_uvs[0] );
glBufferSubData(GL_ARRAY_BUFFER, indexed_uvs.size()*sizeof(glm::vec2), indexed_uvs2.size()*sizeof(glm::vec2), &indexed_uvs2[0]);
GLuint normalbuffer;
glGenBuffers(1, &normalbuffer);
glBindBuffer(GL_ARRAY_BUFFER, normalbuffer);
//glBufferData(GL_ARRAY_BUFFER, indexed_normals.size() * sizeof(glm::vec3), &indexed_normals[0], GL_STATIC_DRAW);
glBufferData(GL_ARRAY_BUFFER, (indexed_normals.size()+indexed_normals2.size() )* sizeof(glm::vec3), 0, GL_STATIC_DRAW);
glBufferSubData(GL_ARRAY_BUFFER, 0 ,indexed_normals.size()*sizeof(glm::vec3), &indexed_normals[0] );
glBufferSubData(GL_ARRAY_BUFFER, indexed_normals.size()*sizeof(glm::vec3), indexed_normals2.size()*sizeof(glm::vec3), &indexed_normals2[0]);
// Generate a buffer for the indices as well
GLuint elementbuffer;
glGenBuffers(1, &elementbuffer);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, elementbuffer);
//glBufferData(GL_ELEMENT_ARRAY_BUFFER, indices.size() * sizeof(unsigned short), &indices[0] , GL_STATIC_DRAW);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, (indices.size()+indices2.size() )* sizeof(unsigned short), 0, GL_STATIC_DRAW);
glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0 ,indices.size()*sizeof(unsigned short), &indices[0] );
glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, indices.size()*sizeof(unsigned short), indices2.size()*sizeof(unsigned short), &indices2[0]);
// Get a handle for our "LightPosition" uniform
glUseProgram(programID);
GLuint LightID = glGetUniformLocation(programID, "LightPosition_worldspace");
// For speed computation
double lastTime = glfwGetTime();
double lastFrameTime = lastTime;
int nbFrames = 0;
std::cout<<"test0"<<std::endl;
float tt = 0.0;
do{
// Measure speed
double currentTime = glfwGetTime();
float deltaTime = (float)(currentTime - lastFrameTime);
lastFrameTime = currentTime;
nbFrames++;
if ( currentTime - lastTime >= 1.0 ){ // If last prinf() was more than 1sec ago
// printf and reset
printf("%f ms/frame\n", 1000.0/double(nbFrames));
nbFrames = 0;
lastTime += 1.0;
}
// Clear the screen
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Use our shader
glUseProgram(programID);
/*
// Compute the MVP matrix from keyboard and mouse input
// computeMatricesFromInputs();
glm::mat4 ProjectionMatrix = getProjectionMatrix();
glm::mat4 ViewMatrix = getViewMatrix();
glm::mat4 ModelMatrix = glm::mat4(1.0);
glm::mat4 MVP = ProjectionMatrix * ViewMatrix * ModelMatrix;
// Send our transformation to the currently bound shader,
// in the "MVP" uniform
glUniformMatrix4fv(MatrixID, 1, GL_FALSE, &MVP[0][0]);
glUniformMatrix4fv(ModelMatrixID, 1, GL_FALSE, &ModelMatrix[0][0]);
glUniformMatrix4fv(ViewMatrixID, 1, GL_FALSE, &ViewMatrix[0][0]);
*/
glm::mat4 ProjectionMatrix = glm::perspective(45.0f, 4.0f / 3.0f, 0.1f, 110.0f);// display range
glm::mat4 ViewMatrix = glm::lookAt(
//glm::vec3( 0, 0, 70 ), // Camera is here
glm::vec3( 20,30, 70 ), // Camera is here
//glm::vec3(gOrientation1.x,0,0),// and looks here
glm::vec3( 0, 0, 0 ), // and looks here
//glm::vec3( 0, 1, 0 ) // Head is up (set to 0,-1,0 to look upside-down)
glm::vec3( 3, 10, 5 ) // Head is up (set to 0,-1,0 to look upside-down)
);
glm::vec3 lightPos = glm::vec3(gPosition1.x,2,10);
//glm::vec3 lightPos = glm::vec3(0,2,10);
glUniform3f(LightID, lightPos.x, lightPos.y, lightPos.z);
// Bind our texture in Texture Unit 0
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, Texture);
// Set our "myTextureSampler" sampler to user Texture Unit 0
glUniform1i(TextureID, 0);
// 1rst attribute buffer : vertices
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, vertexbuffer);
glVertexAttribPointer(
0, // attribute
3, // size
GL_FLOAT, // type
GL_FALSE, // normalized?
0, // stride
(void*)0 // array buffer offset
);
// 2nd attribute buffer : UVs
glEnableVertexAttribArray(1);
glBindBuffer(GL_ARRAY_BUFFER, uvbuffer);
glVertexAttribPointer(
1, // attribute
2, // size
GL_FLOAT, // type
GL_FALSE, // normalized?
0, // stride
(void*)0 // array buffer offset
);
// 3rd attribute buffer : normals
glEnableVertexAttribArray(2);
glBindBuffer(GL_ARRAY_BUFFER, normalbuffer);
glVertexAttribPointer(
2, // attribute
3, // size
GL_FLOAT, // type
GL_FALSE, // normalized?
0, // stride
(void*)0 // array buffer offset
);
// Index buffer
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, elementbuffer);
glUniform3f(LightID, lightPos.x, lightPos.y, lightPos.z);
{ // Euler
// As an example, rotate arount the vertical axis at 180\B0/sec
/* gOrientation1.z += 3.14159f/2.0f * deltaTime * 5;
gOrientation1.x = 3.14159f/2;
gPosition1.y = 40;
// Build the model matrix
glm::mat4 RotationMatrix = eulerAngleYXZ(gOrientation1.y, gOrientation1.x, gOrientation1.z);
glm::mat4 TranslationMatrix = translate(mat4(), gPosition1); // A bit to the left
glm::mat4 ScalingMatrix = scale(mat4(), vec3(1.0f, 1.0f, 1.0f));
glm::mat4 ModelMatrix = TranslationMatrix * RotationMatrix * ScalingMatrix;*/
gOrientation1.z += 3.14159f/2.0f * deltaTime;
gOrientation1.x = 20;3.14159f/2;
gPosition1.y = 10;
tt = tt + 0.01f;
gPosition1.x = 20.0*sin(tt);
//gPosition1.z = tt;//20.0*sin(tt);
// Build the model matrix
glm::mat4 RotationMatrix = eulerAngleYXZ(gOrientation1.y, gOrientation1.x, gOrientation1.z);
glm::mat4 TranslationMatrix = translate(mat4(), gPosition1); // A bit to the left
glm::mat4 ScalingMatrix = scale(mat4(), vec3(1.0f, 1.0f, 1.0f));
glm::mat4 ModelMatrix = TranslationMatrix * RotationMatrix * ScalingMatrix;
// glm::mat4 ModelMatrix = eulerAngleYXZ((float)3,(float)0,(float)0)*translate(mat4(), glm::vec3(5,0,0)) *TranslationMatrix* RotationMatrix * ScalingMatrix;
glm::mat4 MVP = ProjectionMatrix * ViewMatrix * ModelMatrix;
// Send our transformation to the currently bound shader,
// in the "MVP" uniform
glUniformMatrix4fv(MatrixID, 1, GL_FALSE, &MVP[0][0]);
glUniformMatrix4fv(ModelMatrixID, 1, GL_FALSE, &ModelMatrix[0][0]);
glUniformMatrix4fv(ViewMatrixID, 1, GL_FALSE, &ViewMatrix[0][0]);
// Draw the triangles !
glDrawElements(
GL_TRIANGLES, // mode
indices.size(), // count
GL_UNSIGNED_SHORT, // type
(void*)0 // element array buffer offset
);
}
//=============================================================================//
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER, vertexbuffer);
glVertexAttribPointer(
0, // attribute
3, // size
GL_FLOAT, // type
GL_FALSE, // normalized?
0, // stride
(void*)(0+indexed_vertices.size()*sizeof(glm::vec3)) // array buffer offset
);
// 2nd attribute buffer : UVs
glEnableVertexAttribArray(1);
glBindBuffer(GL_ARRAY_BUFFER, uvbuffer);
glVertexAttribPointer(
1, // attribute
2, // size
GL_FLOAT, // type
GL_FALSE, // normalized?
0, // stride
(void*)(0+indexed_uvs.size()*sizeof(glm::vec2)) // array buffer offset
);
// 3rd attribute buffer : normals
glEnableVertexAttribArray(2);
glBindBuffer(GL_ARRAY_BUFFER, normalbuffer);
glVertexAttribPointer(
2, // attribute
3, // size
GL_FLOAT, // type
GL_FALSE, // normalized?
0, // stride
(void*)(0+indexed_normals.size()*sizeof(glm::vec3)) // array buffer offset
);
// Index buffer
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, elementbuffer);
glUniform3f(LightID, lightPos.x, lightPos.y, lightPos.z);
{ // Euler
// As an example, rotate arount the vertical axis at 180\B0/sec
/* gOrientation1.z += 3.14159f/2.0f * deltaTime * 5;
gOrientation1.x = 3.14159f/2;
gPosition1.y = 40;
// Build the model matrix
glm::mat4 RotationMatrix = eulerAngleYXZ(gOrientation1.y, gOrientation1.x, gOrientation1.z);
glm::mat4 TranslationMatrix = translate(mat4(), gPosition1); // A bit to the left
glm::mat4 ScalingMatrix = scale(mat4(), vec3(1.0f, 1.0f, 1.0f));
glm::mat4 ModelMatrix = TranslationMatrix * RotationMatrix * ScalingMatrix;*/
gOrientation1.z += 3.14159f/2.0f * deltaTime/1000.0;
gOrientation1.x = 3.14159f/2;
gPosition1.y = 10;40;
tt = tt + 0.01f;
gPosition1.x = 20.0*sin(tt/100.0);
//gPosition1.z = tt;//20.0*sin(tt);
// Build the model matrix
glm::mat4 RotationMatrix = eulerAngleYXZ(gOrientation1.y, gOrientation1.x, gOrientation1.z);
glm::mat4 TranslationMatrix = translate(mat4(), gPosition1); // A bit to the left
glm::mat4 ScalingMatrix = scale(mat4(), vec3(1.0f, 1.0f, 1.0f));
glm::mat4 ModelMatrix = TranslationMatrix * RotationMatrix * ScalingMatrix;
// glm::mat4 ModelMatrix = eulerAngleYXZ((float)3,(float)0,(float)0)*translate(mat4(), glm::vec3(5,0,0)) *TranslationMatrix* RotationMatrix * ScalingMatrix;
glm::mat4 MVP = ProjectionMatrix * ViewMatrix * ModelMatrix;
// Send our transformation to the currently bound shader,
// in the "MVP" uniform
glUniformMatrix4fv(MatrixID, 1, GL_FALSE, &MVP[0][0]);
glUniformMatrix4fv(ModelMatrixID, 1, GL_FALSE, &ModelMatrix[0][0]);
glUniformMatrix4fv(ViewMatrixID, 1, GL_FALSE, &ViewMatrix[0][0]);
// Draw the triangles !
glDrawElements(
GL_TRIANGLES, // mode
indices2.size(), // count
GL_UNSIGNED_SHORT, // type
(void*)(0 + indices.size()) // element array buffer offset
);
}
//======================================================================================//
glDisableVertexAttribArray(0);
glDisableVertexAttribArray(1);
glDisableVertexAttribArray(2);
// Draw GUI
TwDraw();
// Swap buffers
glfwSwapBuffers(window);
glfwPollEvents();
} // Check if the ESC key was pressed or the window was closed
while( glfwGetKey(window, GLFW_KEY_ESCAPE ) != GLFW_PRESS &&
glfwWindowShouldClose(window) == 0 );
// Cleanup VBO and shader
glDeleteBuffers(1, &vertexbuffer);
glDeleteBuffers(1, &uvbuffer);
glDeleteBuffers(1, &normalbuffer);
glDeleteBuffers(1, &elementbuffer);
glDeleteProgram(programID);
glDeleteTextures(1, &Texture);
glDeleteVertexArrays(1, &VertexArrayID);
glDeleteVertexArrays(1, &WP_VertexArrayID);
}
mat4 inline getRotationMatrixRender() {
return eulerAngleYXZ(0.0f, -PI / 2, 0.0f);
}