float* populateDepthTable()
{
float* depthTable;
int i;
depthTable = (float*) malloc(sizeof(float)*2048);
for (i = 0; i < 2047; i++) {
depthTable[i] = rawDepthToMeters(i);
}
return depthTable;
}
void CoordinateConverter::depthToWorld(int depthX, int depthY, int depthZ, float& worldX, float& worldY, float& worldZ)
{
worldZ = rawDepthToMeters(depthZ);
if ((screenCenterX - depthX) && (screenCenterY - depthY))
{
worldX = worldZ * static_cast<float>(screenCenterX - depthX) / f_x;
worldY = worldZ * static_cast<float>(screenCenterY - depthY) / f_y;
}
else
{
worldX = 0.0f;
worldY = 0.0f;
worldZ = 0.0f;
}
}
int main(void)
{
//Set the error callback
glfwSetErrorCallback(error_callback);
//Initialize GLFW
if (!glfwInit())
{
exit(EXIT_FAILURE);
}
//Set the GLFW window creation hints - these are optional
//glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); //Request a specific OpenGL version
//glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3); //Request a specific OpenGL version
//glfwWindowHint(GLFW_SAMPLES, 4); //Request 4x antialiasing
//glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
//Create a window and create its OpenGL context
window = glfwCreateWindow(960, 720, "Test Window", NULL, NULL);
//If the window couldn't be created
if (!window)
{
fprintf(stderr, "Failed to open GLFW window.\n");
glfwTerminate();
//exit(EXIT_FAILURE);
}
//This function makes the context of the specified window current on the calling thread.
glfwMakeContextCurrent(window);
//Sets the key callback
glfwSetKeyCallback(window, key_callback);
//Initialize GLEW
GLenum err = glewInit();
//If GLEW hasn't initialized
if (err != GLEW_OK)
{
fprintf(stderr, "Error: %s\n", glewGetErrorString(err));
return -1;
}
//Set a background color
glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glfwSetCursorPos(window, 1024 / 2, 768 / 2);
GLuint VertexArrayID;
glGenVertexArrays(1, &VertexArrayID);
glBindVertexArray(VertexArrayID);
// Create and compile our GLSL program from the shaders
GLuint red = LoadShaders("SimpleTransform.vertexshader", "SingleColorRed.fragmentshader");
GLuint grid = LoadShaders("SimpleTransform.vertexshader", "SingleColorGrid.fragmentshader");
glBindFragDataLocation(red, 0, "red");
glBindFragDataLocation(grid, 1, "grid");
// Get a handle for our "MVP" uniform
GLuint MatrixID = glGetUniformLocation(red, "MVP");
// Projection matrix : 45° Field of View, 4:3 ratio, display range : 0.1 unit <-> 100 units
glm::mat4 Projection = glm::perspective(45.0f, 4.0f / 3.0f, 0.1f, 1000.0f);
// Or, for an ortho camera :
//glm::mat4 Projection = glm::ortho(-10.0f,10.0f,-10.0f,10.0f,0.0f,100.0f); // In world coordinates
// Camera matrix
glm::mat4 View = glm::lookAt(
glm::vec3(4, 3, 3), // Camera is at (4,3,3), in World Space
glm::vec3(0, 0, 0), // and looks at the origin
glm::vec3(0, 1, 0) // Head is up (set to 0,-1,0 to look upside-down)
);
static const GLfloat g_vertex_buffer_data[] = {
-1.0f, -1.0f, 0.0f,
1.0f, -1.0f, 0.0f,
0.0f, 1.0f, 0.0f,
};
static const GLushort g_element_buffer_data[] = { 0, 1, 2 };
GLuint vertexbuffer;
glGenBuffers(1, &vertexbuffer);
glBindBuffer(GL_ARRAY_BUFFER, vertexbuffer);
glBufferData(GL_ARRAY_BUFFER, sizeof(g_vertex_buffer_data), g_vertex_buffer_data, GL_STATIC_DRAW);
static const GLfloat g_triangle_buffer_data[] = {
-1.0f, -1.0f, -1.0f,
1.0f, -1.0f, -1.0f,
0.0f, 1.0f, -1.0f,
};
GLuint triangle;
glGenBuffers(1, &triangle);
glBindBuffer(GL_ARRAY_BUFFER, triangle);
glBufferData(GL_ARRAY_BUFFER, sizeof(g_triangle_buffer_data), g_triangle_buffer_data, GL_STATIC_DRAW);
// Enable depth test
glEnable(GL_DEPTH_TEST);
// Accept fragment if it closer to the camera than the former one
glDepthFunc(GL_LESS);
glEnable(GL_CULL_FACE);
glEnable(GL_LIGHTING);
glEnable(GL_SMOOTH);//OPENGL INSTANTIATION
HRESULT hr;
NUI_IMAGE_FRAME depthFrame;
HANDLE hDepth;
INuiSensor* pNuiSensor = NULL;
int iSensorCount = 0;
hr = NuiGetSensorCount(&iSensorCount);
if (FAILED(hr))
return hr;
for (int i = 0; i < iSensorCount; i++)
{
INuiSensor* tempSensor;
hr = NuiCreateSensorByIndex(i, &tempSensor);
if (FAILED(hr))
continue;
hr = tempSensor->NuiStatus();
if (S_OK == hr)
{
pNuiSensor = tempSensor;
break;
}
tempSensor->Release();
}
for (int i = 0; i < 2048; i++) {
depthLookUp[i] = rawDepthToMeters(i);
}
rotation = getRotationMatrix(theta, psi, fi);
pNuiSensor->NuiInitialize(NUI_INITIALIZE_FLAG_USES_DEPTH);
pNuiSensor->NuiImageStreamOpen(
NUI_IMAGE_TYPE_DEPTH,
NUI_IMAGE_RESOLUTION_320x240,
0,
2,
NULL,
&hDepth);//KINECT INSTANTIATION
cout << "Starting Main Loop";
static double lastTime = glfwGetTime();
//Main Loop
do
{
double currentTime = glfwGetTime();
float deltaTime = float(currentTime - lastTime);
//Clear color buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glUseProgram(grid);
modelMatrix(MatrixID);
hr = pNuiSensor->NuiImageStreamGetNextFrame(hDepth, 0, &depthFrame);
if (!FAILED(hr))
{
INuiFrameTexture* pTexture;
NUI_LOCKED_RECT LockedRect;
hr = pNuiSensor->NuiImageFrameGetDepthImagePixelFrameTexture(
hDepth, &depthFrame, false, &pTexture);
if (FAILED(hr))
{
pNuiSensor->NuiImageStreamReleaseFrame(hDepth, &depthFrame);
continue;
}
pTexture->LockRect(0, &LockedRect, NULL, 0);//Kinect Image Grab
int skipX = 1;
int skipY = 1;
float scalar = 4.0f;
if (LockedRect.Pitch != 0)
{
for (int x = 0; x < width; x += skipX)
{
for (int y = 0; y < height; y += skipY)
{
const NUI_DEPTH_IMAGE_PIXEL * pBufferRun = reinterpret_cast<const NUI_DEPTH_IMAGE_PIXEL *>(LockedRect.pBits) + x + y * width;
//float depth = (float)(pBufferRun->depth);
//glm::vec3 location = realWorld(depth, height - y, x, 500.0f, 1000.0f);
//createCube(0.006f, location);
Vector4 locationDepth = NuiTransformDepthImageToSkeleton(x, y, (short)(pBufferRun->depth << 3));
glm::vec3 locationDepthxyz = glm::vec3(locationDepth.x * scalar, locationDepth.y * scalar, locationDepth.z * scalar);
createCube(0.009f, locationDepthxyz);
}
}
}
pTexture->UnlockRect(0);
pTexture->Release();
pNuiSensor->NuiImageStreamReleaseFrame(hDepth, &depthFrame);
}
createGrid();
//Test drawings
/*
glUseProgram(red);
modelMatrix(MatrixID);
//createCube(0.05f, glm::vec3(1.0f,1.0f,1.0f));
// 1rst attribute buffer : vertices
glEnableVertexAttribArray(0);
//createObject(vertexbuffer, GL_TRIANGLES, 3);
//createObject(triangle, GL_TRIANGLES, 3);
glDisableVertexAttribArray(0);
*/
//Swap buffers
glfwSwapBuffers(window);
//Get and organize events, like keyboard and mouse input, window resizing, etc...
glfwPollEvents();
std::string title = "Title | DELTA TIME " + std::to_string(1.0f/deltaTime);
const char* pszConstString = title.c_str();
glfwSetWindowTitle(window, pszConstString);
lastTime = currentTime;
} //Check if the ESC key had been pressed or if the window had been closed
while (!glfwWindowShouldClose(window));
//Close OpenGL window and terminate GLFW
glfwDestroyWindow(window);
//Finalize and clean up GLFW
glfwTerminate();
exit(EXIT_SUCCESS);
}