remove csv files & update .gitignore

.gitignore

@@ -33,3 +33,5 @@
 *.app
 
 build/
+
+*.csv

CMakeLists.txt

@@ -1,13 +1,29 @@
 cmake_minimum_required(VERSION 3.20)
 project(TimeCoil)
 
-SET(PROJECT_SOURCES src/main.cpp src/glad.c)
-include_directories(${CMAKE_CURRENT_SOURCE_DIR}/src ${CMAKE_CURRENT_SOURCE_DIR}/include )
+include(FetchContent)
+
+SET(PROJECT_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/main.cpp src/glad.c
+                    ${CMAKE_CURRENT_SOURCE_DIR}/src/coil/coil.cpp
+                    ${CMAKE_CURRENT_SOURCE_DIR}/src/coil/segment.cpp
+)
+                    
+include_directories(${CMAKE_CURRENT_SOURCE_DIR}/src 
+                    ${CMAKE_CURRENT_SOURCE_DIR}/include
+                    ${CMAKE_CURRENT_SOURCE_DIR}/src/coil
+                    ${CMAKE_CURRENT_SOURCE_DIR}/src/ui
+)
 
 add_executable(TimeCoil ${PROJECT_SOURCES})
 
+FetchContent_Declare(
+	glm
+	GIT_REPOSITORY https://github.com/g-truc/glm.git
+	GIT_TAG 5847dd91b2dc85cdd8d395ccf68985310e3e0e40
+)
+
+FetchContent_MakeAvailable(glm)
+
 find_package(glfw3 3.4 REQUIRED)
 find_package(OpenGL REQUIRED)
-
-target_link_libraries(TimeCoil glfw)
-target_link_libraries(TimeCoil OpenGL::GL)
+target_link_libraries(TimeCoil glfw OpenGL::GL glm)

build.sh

@@ -1,2 +1,2 @@
 #!/usr/bin/env bash
-cd build && cmake -DCMAKE_C_FLAGS="-g" .. && make && ./TimeCoil
+cd build && cmake -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DCMAKE_C_FLAGS="-g -v -da -Q -O0" .. && make && ./TimeCoil > ../points.csv && python ../tools/build_3d.py ../points.csv

src/coil/coil.cpp

@@ -0,0 +1,17 @@
+#include "coil.hpp"
+
+Coil::Coil(uint32_t currentYear, uint32_t amountOfSegments) 
+	: currentYear(currentYear) {
+	for (short i = amountOfSegments / -2.; i < amountOfSegments / 2.; i++) {
+		uint32_t year = this->currentYear + i;
+    	segments.push_back(CoilSegment(this, year, segmentHeight, i, 3,false));
+	}
+};
+
+std::vector<CoilSegment> &Coil::getSegments() {
+	return segments;
+}
+
+double Coil::getWidth() {
+	return width;
+}

src/coil/coil.hpp

@@ -0,0 +1,25 @@
+#include <vector>
+#include "segment.hpp"
+
+#ifndef COIL_HPP 
+#define COIL_HPP
+
+// Coil segment is a one turn of a coil
+// Coil slice is a set of points that define slice of coil
+
+class Coil {
+    // distance between coil center and nearest to it coil edge 
+    double radius;
+    // distance between coil slices edges
+    double width;
+    double segmentHeight;
+    uint32_t currentYear;
+    std::vector<CoilSegment> segments;
+
+    public:
+    Coil(uint32_t currentYear, uint32_t amountOfSegments);
+    std::vector<CoilSegment> &getSegments();
+    double getWidth();
+};
+
+#endif // COIL_HPP

src/coil/segment.cpp

@@ -0,0 +1,225 @@
+#include "segment.hpp"
+#include "coil.hpp"
+#include "glm/ext/matrix_float4x4.hpp"
+#include "glm/ext/matrix_transform.hpp"
+#include "glm/trigonometric.hpp"
+#include <cstring>
+#include <iostream>
+#include <glm/glm.hpp>
+#include <cstdint>
+
+// x, y, z, r, g, b
+#define FIELDS_IN_POINT 6
+#define DAYS_IN_YEAR (isLeap? 366.0f : 365.0f)
+
+using glm::vec4;
+using glm::vec3;
+using glm::mat4;
+using glm::radians;
+using glm::rotate;
+using glm::sin;
+using glm::cos;
+using glm::translate;
+
+using std::endl;
+using std::cout;
+using std::cerr;
+
+CoilSegment::CoilSegment(
+        Coil* coil, 
+        uint16_t year, 
+        uint16_t height, 
+        int shift, 
+        uint32_t sliceDetalization, 
+        bool isLeap
+    ) :
+    coil(coil), year(year), 
+    height(height), shift(shift), 
+    sliceDetalization(sliceDetalization), isLeap(isLeap) {
+        init();
+        calculate();
+    }
+
+void CoilSegment::init () {
+    verticesLength = DAYS_IN_YEAR * FIELDS_IN_POINT * (sliceDetalization+2);
+    vertices = (double *) calloc(verticesLength, sizeof(double));
+    if (vertices == NULL) {
+        cerr << "Allocation failed" << endl;
+        exit(-1);
+    }
+    // cout << "Initialized CoilSegment" 
+    //     << "(year: " << year 
+    //     << ", height: " << height 
+    //     << ", shift: " << shift
+    //     << ", isLeap: " << isLeap <<")" << endl;
+}
+
+void CoilSegment::printVertices() {
+    for (uint16_t day = 0; day < DAYS_IN_YEAR; day ++) {
+        cout << "Day " << day << ", " <<  
+            "x: " << vertices[FIELDS_IN_POINT * day + 0] << ", " <<
+            "y: " << vertices[FIELDS_IN_POINT * day + 1] << ", " <<
+            "z: " << vertices[FIELDS_IN_POINT * day + 2] << ", " <<
+            "r: " << vertices[FIELDS_IN_POINT * day + 3] << ", " <<
+            "g: " << vertices[FIELDS_IN_POINT * day + 4] << ", " <<
+            "b: " << vertices[FIELDS_IN_POINT * day + 5] << endl;
+    }
+}
+
+double round_to_presicion( double value, int precision ) {
+    const int adjustment = pow(10,precision);
+    return floor( value*(adjustment) + 0.5 )/adjustment;
+}
+
+double *CoilSegment::calculateSlice() {
+    uint32_t size = (/*start and end of a slize*/2 + sliceDetalization) * FIELDS_IN_POINT * sizeof(double);
+    double *slice = (double *)malloc(size);
+    // Start of a slice
+    slice[0] = cos(0);
+    slice[1] = sin(0);
+    slice[2] = 0;
+    slice[3] = 1;
+    slice[4] = 1;
+    slice[5] = 1;
+
+    double degreeByPoint = -180. / (sliceDetalization + 1);
+
+    for (uint32_t i = 1; i <= sliceDetalization; i ++) {
+        uint32_t offset = FIELDS_IN_POINT * i;
+        
+        slice[offset + 0] = round_to_presicion(cos(radians(degreeByPoint * i)), 5);
+        slice[offset + 1] = round_to_presicion(sin(radians(degreeByPoint * i)), 5);
+        slice[offset + 2] = 0;
+        slice[offset + 3] = 1;
+        slice[offset + 4] = 1;
+        slice[offset + 5] = 1;
+    }
+
+    // End of a slice
+    uint32_t endIndex = (size / sizeof(double) - FIELDS_IN_POINT); 
+    slice[endIndex + 0] = round_to_presicion(cos(radians(180.)), 5);
+    slice[endIndex + 1] = round_to_presicion(sin(radians(180.)), 5);
+    slice[endIndex + 2] = 0;
+    slice[endIndex + 3] = 1;
+    slice[endIndex + 4] = 1;
+    slice[endIndex + 5] = 1;
+
+    return slice;
+}
+
+void CoilSegment::constructSegment(double *slice) {
+
+    double degreesPerDay = 360.f / DAYS_IN_YEAR;
+
+    for (uint32_t day = 0; day < DAYS_IN_YEAR; day ++) {
+        float daysDegree = day * degreesPerDay;
+        // TODO: replace 10 to coil->getWidth();
+        vec3 daysPosition = vec3(
+            cos(radians(daysDegree)) * 200,
+            10* daysDegree/360.,
+            sin(radians(daysDegree)) * 200
+        );
+
+        mat4 transform = mat4(1.);
+        // For some reason I cannot combine transform and rotation to one singe matrix.
+        // TODO: investigate and fix        
+        // transform = translate(
+        //     transform,
+        //     daysPosition
+        // );
+
+        transform = rotate(
+            transform,
+            radians(daysDegree),
+            vec3(
+                0.0,
+                1.0,
+                0.0
+            )
+        );
+
+        for (uint32_t slicePoint = 0; slicePoint < (2 + sliceDetalization); slicePoint ++) {
+            uint32_t slicePointOffset = FIELDS_IN_POINT * slicePoint;
+            vec4 point(
+                slice[slicePointOffset + 0],
+                slice[slicePointOffset + 1],
+                slice[slicePointOffset + 2],
+                1
+            );
+            
+            point = point*transform  ;
+            uint64_t currentPointOffset = day * (2+sliceDetalization) * FIELDS_IN_POINT + slicePointOffset;
+            vertices[currentPointOffset + 0] = point.x + daysPosition.x;
+            vertices[currentPointOffset + 1] = point.y + daysPosition.y;
+            vertices[currentPointOffset + 2] = point.z + daysPosition.z;
+
+            memcpy(
+                vertices + currentPointOffset + 3,
+                slice + slicePointOffset + 3,
+                3
+            );
+        }
+    }
+}
+// Sample layout of 2 slices with 3 points.
+//  |x |y |z |r |g |b |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
+//  0  1  2  3  4  5  6  7  8  9  10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
+//  |     point       |    point        |     point       |    point        |      point      |    point        |  
+//  |                  slice                              |             slice                                   |
+//  
+void CoilSegment::calculate() {
+    double *slice = calculateSlice();
+
+    constructSegment(slice);
+    exportSegmentToCsv();
+
+}
+
+double *CoilSegment::getVertices() {
+    return vertices;
+}
+
+uint16_t CoilSegment::getVerticesLength() {
+    return verticesLength;
+}
+
+void CoilSegment::printSlice(double *slice) {
+    for (uint32_t i = 0; i < sliceDetalization+2; i ++) {
+        uint32_t offset = FIELDS_IN_POINT * i;
+        cout << "Point ("
+                  << slice[offset + 0] << ", "
+                  << slice[offset + 1] << ", "
+                  << slice[offset + 2] << ", "
+                  << ") rgb("
+                  << slice[offset + 3] << ", "
+                  << slice[offset + 4] << ", "
+                  << slice[offset + 5] << ")"
+                  << endl;
+    }
+}
+
+void CoilSegment::exportSliceToCSV(double *slice) {
+    cout << "x,y,z" << endl;
+    
+    for (uint32_t i = 0; i < sliceDetalization+2; i ++) {
+        uint32_t offset = FIELDS_IN_POINT * i;
+        cout
+                  << slice[offset + 0] << ","
+                  << slice[offset + 1] << ",0" << endl;
+    }
+}
+
+void CoilSegment::exportSegmentToCsv() {
+    cout << "x,y,z" << endl;
+
+    for (uint16_t day = 0; day < DAYS_IN_YEAR; day ++) {
+        uint64_t dayOffset = day * (2+sliceDetalization) * FIELDS_IN_POINT;
+
+        for (uint32_t point_in_slice = 0; point_in_slice < (2+sliceDetalization); point_in_slice ++) {
+            uint32_t sliceOffset = point_in_slice * FIELDS_IN_POINT;
+            cout << vertices[dayOffset +  sliceOffset + 0] << "," 
+                      << vertices[dayOffset +  sliceOffset + 1] << ","
+                      << vertices[dayOffset +  sliceOffset + 2] << endl; 
+        }
+    }
+}

src/coil/segment.hpp

@@ -0,0 +1,34 @@
+#ifndef COIL_SEGMENT_HPP
+#define COIL_SEGMENT_HPP
+
+#include <cstdint>
+
+class Coil;
+
+class CoilSegment {
+    Coil *coil;
+    uint16_t year;
+    uint16_t height;
+    // Number of a segments, counting from the central (which is 0)
+    int shift;
+    uint32_t sliceDetalization;
+    bool isLeap;
+    double *vertices;
+    uint32_t verticesLength;
+
+    void init();
+    double* calculateSlice();
+    void constructSegment(double *slice);
+
+    public:
+    CoilSegment(Coil* coil, uint16_t year, uint16_t height, int shift, uint32_t sliceDetalization, bool isLeap);
+    void calculate();
+    void printVertices();
+    double *getVertices();
+    uint16_t getVerticesLength();
+    void printSlice(double *slice);
+    void exportSliceToCSV(double *slice);
+    void exportSegmentToCsv();
+};
+
+#endif // COIL_SEGMENT_HPP

src/main.cpp

@@ -6,7 +6,10 @@
 #include <cmath>
 #include <cstdlib>
 
-#define RAND_0_1 ((float)rand()) / RAND_MAX
+#include "coil/coil.hpp"
+#include "coil/segment.hpp"
+
+#define RAND_0_1 ((double)rand()) / RAND_MAX
 
 void framebufferSizeCallback(GLFWwindow *window, int width, int height) {
     glViewport(10, 10, width-10, height-10);
@@ -44,9 +47,9 @@ std::string readFile(std::string path) {
 	return content;
 }
 
-void updateVertices(float (&vertices)[24]) {
+void updateVertices(double (&vertices)[24]) {
 	// if (RAND_0_1 < 0.99f) return; 
-	float a[] = {
+	double a[] = {
 		-1.0f, 1.0f, 0.0f,  RAND_0_1, RAND_0_1, RAND_0_1,    // upper left
     	-1.0f, -1.0f, 0.0f,  RAND_0_1, RAND_0_1, RAND_0_1,   // bottom left
      	1.0f,  1.0f, 0.0f,  RAND_0_1, RAND_0_1, RAND_0_1,    // upper right
@@ -107,89 +110,102 @@ unsigned int prepareShaders() {
 }
 
 int main () {
-	srand(time(0));
-	glfwInit();
-	glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
-	glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
-	glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
-#ifdef __APPLE__
-	glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
-#endif
+	Coil c = Coil(2025, 1);
 
-	GLFWwindow *window = glfwCreateWindow(800, 600, "TimeCoil", NULL, NULL);
-	if (window == NULL) {
-		std::cerr << "Failed to create GLFW window." << std::endl;
-		gracefulExit(-1);
+	// CoilSegment cs = CoilSegment(10, 0, false);
+	for (auto segment : c.getSegments()) {
+		// segment.printVertices();
 	}
+	// cs.printVertices();
+	return 0;
+// 	srand(time(0));
+// 	glfwInit();
+// 	glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
+// 	glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
+// 	glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+// #ifdef __APPLE__
+// 	glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
+// #endif
 
-	glfwMakeContextCurrent(window);
-	glfwSetFramebufferSizeCallback(window, framebufferSizeCallback);
+// 	GLFWwindow *window = glfwCreateWindow(800, 600, "TimeCoil", NULL, NULL);
+// 	if (window == NULL) {
+// 		std::cerr << "Failed to create GLFW window." << std::endl;
+// 		gracefulExit(-1);
+// 	}
 
-	if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress)) {
-		std::cerr << "Failed to initialize GLAD." << std::endl;
-		return -1;
-	}
+// 	glfwMakeContextCurrent(window);
+// 	glfwSetFramebufferSizeCallback(window, framebufferSizeCallback);
 
-	unsigned int shaderProgram = prepareShaders();
+// 	if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress)) {
+// 		std::cerr << "Failed to initialize GLAD." << std::endl;
+// 		return -1;
+// 	}
 
-	float vertices[] = {
-		-1.0f, 1.0f, 0.0f,  1.0f, 0.0f, 0.0f,    // upper left
-    	-1.0f, -1.0f, 0.0f,  0.0f, 1.0f, 0.0f,   // bottom left
-     	1.0f,  1.0f, 0.0f,  1.0f, 0.0f, 0.0f,    // upper right
-		1.0f, -1.0f, 0.0f,  0.0f, 1.0f, 0.0f     // bottom right
-	};
-	unsigned int indices[] = {
-		1, 2, 3,
-		1, 2, 0
-	};
-	unsigned int VBO, VAO, EBO;
-	glGenVertexArrays(1, &VAO);
-	glGenBuffers(1, &VBO);
-	glGenBuffers(1, &EBO);
+// 	unsigned int shaderProgram = prepareShaders();
 
-	glBindVertexArray(VAO);
+// 	double *vertices = cs.getVertices();
+// 	unsigned int amountOfVerticies = cs.getVerticesLength();
+// 	std::cout << amountOfVerticies << std::endl;
+// 	// double vertices[] = {
+// 	// 	-1.0f, -1.0f, 0.0f,  1.0f, 0.0f, 0.0f,    // upper left
+//     // 	-0.5f, -0.5f, 0.0f,  0.0f, 1.0f, 0.0f,   // bottom left
+//     //  	0.5f,  0.5f, 0.0f,  1.0f, 0.0f, 0.0f,    // upper right
+// 	// 	1.0f, 1.0f, 0.0f,  0.0f, 1.0f, 0.0f     // bottom right
+// 	// };
+// 	// unsigned int indices[] = {
+// 	// 	1, 2, 3,
+// 	// 	1, 2, 0
+// 	// };
+// 	unsigned int VBO, VAO, EBO;
+// 	glGenVertexArrays(1, &VAO);
+// 	glGenBuffers(1, &VBO);
+// 	// glGenBuffers(1, &EBO);
 
-	glBindBuffer(GL_ARRAY_BUFFER, VBO);
-	glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
+// 	glBindVertexArray(VAO);
 
-	glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW);
-	glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(indices), indices, GL_STATIC_DRAW);
+// 	glBindBuffer(GL_ARRAY_BUFFER, VBO);
+// 	// glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
 
-	glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(float), (void*)0);
-	glEnableVertexAttribArray(0);
+// 	glBufferData(GL_ARRAY_BUFFER, amountOfVerticies, vertices, GL_STATIC_DRAW);
+// 	// glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(indices), indices, GL_STATIC_DRAW);
 
-	glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, 6 * sizeof(float), (void*) (3 * sizeof(float)));
-	glEnableVertexAttribArray(1);
+// 	glVertexAttribPointer(0, 3, GL_DOUBLE, GL_FALSE, 6 * sizeof(double), (void*)0);
+// 	glEnableVertexAttribArray(0);
 
-	glBindVertexArray(0);
+// 	glVertexAttribPointer(1, 3, GL_DOUBLE, GL_FALSE, 6 * sizeof(double), (void*) (3 * sizeof(double)));
+// 	glEnableVertexAttribArray(1);
+
+// 	glBindVertexArray(0);
 	
-	while(!glfwWindowShouldClose(window)) {
-		processInput(window);
+// 	while(!glfwWindowShouldClose(window)) {
+// 		processInput(window);
 
-		glClearColor(0.2f, 0.3f, 0.3f, 1.0f);
-		glClear(GL_COLOR_BUFFER_BIT);
+// 		glClearColor(0.2f, 0.3f, 0.3f, 1.0f);
+// 		glClear(GL_COLOR_BUFFER_BIT);
 	
-		glUseProgram(shaderProgram);
+// 		glUseProgram(shaderProgram);
 
-		// float time = glfwGetTime();
-		// float greenValue = sin(time);
+// 		// double time = glfwGetTime();
+// 		// double greenValue = sin(time);
 		
 
-		// int vertexColorLocation = glGetUniformLocation(shaderProgram, "MyColor");
-		// glUniform4f(vertexColorLocation, 0, greenValue, 0, 1);
-		glBindVertexArray(VAO);
+// 		// int vertexColorLocation = glGetUniformLocation(shaderProgram, "MyColor");
+// 		// glUniform4f(vertexColorLocation, 0, greenValue, 0, 1);
+// 		glBindVertexArray(VAO);
 
-		updateVertices(vertices);
-		glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_DYNAMIC_DRAW);
-		glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0);
+// 		// updateVertices(vertices);
+// 		glBufferData(GL_ARRAY_BUFFER, amountOfVerticies, vertices, GL_DYNAMIC_DRAW);
+// 		// glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, 0);
+// 		glDrawArrays(GL_LINE_STRIP_ADJACENCY, -30, amountOfVerticies);
+		
 
-		glBindVertexArray(0);
-	    glfwSwapBuffers(window);
-	    glfwPollEvents();
-	}
+// 		glBindVertexArray(0);
+// 	    glfwSwapBuffers(window);
+// 	    glfwPollEvents();
+// 	}
 
-	glDeleteVertexArrays(1, &VAO);
-    glDeleteBuffers(1, &VBO);
-    glDeleteProgram(shaderProgram);
-	gracefulExit(0);
+// 	glDeleteVertexArrays(1, &VAO);
+//     glDeleteBuffers(1, &VBO);
+//     glDeleteProgram(shaderProgram);
+// 	gracefulExit(0);
 }

test.cpp

@@ -0,0 +1,13 @@
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int main () {
+	uint32_t size = -1;
+	char *arr = (char*) malloc(size);
+	for (uint64_t i = 0; i < (uint64_t)-1; i ++) {
+		arr[i] = '\0';
+		if (i % 10000000 != 0) continue;
+		printf("%lli\n", i);
+	}
+}

tools/build_3d.py

@@ -0,0 +1,40 @@
+
+
+#!/usr/bin/env python0;
+
+import plotly.graph_objects as go
+import pandas as pd
+import numpy as np
+import sys
+
+if len(sys.argv) != 2:
+    print(f"Usage: ./{sys.argv[0]} <filename>")
+    sys.exit(1)
+
+df = pd.read_csv(sys.argv[1])
+
+fig = go.Figure(data=[go.Scatter3d(x=df['x'], y=df['y'], z=df['z'], mode='markers')])
+
+fig.update_layout(
+    scene = dict(
+        xaxis_title='X',
+        yaxis_title='Y',
+        zaxis_title='Z',
+        xaxis=dict(nticks=10, range=[-220, 220]),
+        yaxis=dict(nticks=10, range=[-220, 220]),
+        zaxis=dict(nticks=10, range=[-220, 220])
+    ),
+)
+
+fig.update_layout(
+    scene = dict(
+        camera = dict(
+            eye=dict(x=1.5, y=1.5, z=1.5)
+        )
+    ),
+)
+
+fig.data[0].y, fig.data[0].z = fig.data[0].z, fig.data[0].y
+
+
+fig.show()