Refactoring

CelestialObject.c

@@ -5,11 +5,11 @@
 #define G 6.67e-11
 #define SUN_MASS 1.989e30
 
-CelestialObject *celestial_object_create(double mass, Vector2 *position) {
+CelestialObject *celestial_object_create(double mass, Vector2 position) {
     CelestialObject *object = (CelestialObject*)malloc(sizeof(CelestialObject));
 
     object->mass = mass;
-    object->previous_position = NULL;
+    // object->previous_position = NULL;
     object->current_position = position;
 
     return object;

CelestialObject.h

 #ifndef CELESTIAL_OBJECT_H
 #define CELESTIAL_OBJECT_H
 
-#include "Vectors/Vector2.h"
+#include "Vector2.h"
 #include "gfx/gfx.h"
 
 typedef struct CelestialObject CelestialObject;
 typedef struct CelestialObject {
     double mass;
-    Vector2 *previous_position;
-    Vector2 *current_position;
+    Vector2 previous_position;
+    Vector2 current_position;
 } CelestialObject;
 
-CelestialObject *celestial_object_create(double mass, Vector2 *position);
+CelestialObject *celestial_object_create(double mass, Vector2 position);
 
 #endif

Makefile

-#The compiler
+TARGET = main
 CC:=gcc
-#The flags passed to the compiler
-CFLAGS:=-g -Ofast -Wall -Wextra -fsanitize=address -fsanitize=leak -std=gnu11
-#The flags passed to the linker
+# CFLAGS:=-g -Ofast -Wall -Wextra -fsanitize=address -fsanitize=leak -std=gnu11
+CFLAGS:=-fsanitize=address
 LDFLAGS:=-lm -lSDL2
-#Path to the lib Vec2
-VPATH:=Vectors gfx
+VPATH:=gfx
 
+%.o: %.c $(HEADERS)
+	$(CC) $(CFLAGS) -c $< -o $@
 
-
-main: main.o Vector2.o gfx.o CelestialObject.o SolarSystem.o
+$(TARGET): main.o Vector2.o CelestialObject.o SolarSystem.o gfx.o
 	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
 
-CelestialObject.o: CelestialObject.h
-SolarSystem.o: SolarSystem.h
-Vector2.o: Vector2.h
-gfx.o: gfx.h
-
 clean:
-	rm -f *.o main tests
+	-rm -f *.o $(TARGET)

SolarSystem.c

@@ -3,75 +3,64 @@
 #include <stdlib.h>
 
 #include "CelestialObject.h"
-#include "Vectors/Vector2.h"
+#include "Vector2.h"
 #include "gfx/gfx.h"
 
 #define SCREEN_WIDTH 1000
 #define SCREEN_HEIGHT 1000
 
-void __update(SolarSystem *solar_system) {
+SolarSystem *solar_system_create(double interval) {
+    SolarSystem *solar_system = (SolarSystem *)malloc(sizeof(SolarSystem));
+
+    solar_system->objects_length = 2;
+    solar_system->objects = (CelestialObject **)malloc(sizeof(SolarSystem *) * solar_system->objects_length);
+
+    solar_system->objects[0] = celestial_object_create(1.989 * 1E30, vector2_create(0, 0));
+
+    double perihelion_1 = 149.6 * 1E9 * (1 - 0.01671123);
+    solar_system->objects[1] = celestial_object_create(5.972 * 1E24, vector2_create(-perihelion_1, 0));
+
+    // const double MARS_MASS = 6.39 * 1E23;
+    // double e_2 = 0.0934;
+    // double semi_major_2 = 227.9 * 1E9;
+    // double perihelion_2 = semi_major_2 * (1 - e_2);
+    // Vector2 *mars_position = vector2_create(-perihelion_2, 0);
+    // solar_system->celestial_objects[2] = celestial_object_create(MARS_MASS, mars_position);
+
+    // const double VENUS_MASS = 4.867 * 1E24;
+    // double e_3 = 0.00678;
+    // double semi_major_3 = 108.2095 * 1E9;
+    // double perihelion_3 = semi_major_3 * (1 - e_3);
+    // Vector2 *venus_position = vector2_create(-perihelion_3, 0);
+    // solar_system->celestial_objects[3] = celestial_object_create(VENUS_MASS, venus_position);
+
+    return solar_system;
 }
 
-void __draw(SolarSystem *solar_system, struct gfx_context_t *ctxt) {
-    for (int32_t i = 0; i < solar_system->celestial_objects_length; i += 1) {
-        CelestialObject *object = solar_system->celestial_objects[i];
+void solar_system_update(SolarSystem *solar_system) {
+}
+
+void solar_system_draw(SolarSystem *solar_system, struct gfx_context_t *context) {
+    for (uint32_t i = 0; i < solar_system->objects_length; i += 1) {
+        CelestialObject *object = solar_system->objects[i];
 
-        Vector2 *tmp = object->current_position->multiply(object->current_position, 1.0 / (227.9 * 1E9 * 1.1));
-        Vector2 *tmp2 = object->current_position->fit_canvas(tmp, SCREEN_WIDTH, SCREEN_HEIGHT);
+        Vector2 scaled_position = vector2_multiply(object->current_position, 1.0 / (227.9 * 1E9 * 1.1));
+        scaled_position = vector2_fit_canvas(scaled_position, SCREEN_WIDTH, SCREEN_HEIGHT);
 
         if (i == 0) {
-            draw_full_circle(ctxt, tmp2->x, tmp2->y, 70, COLOR_YELLOW);
+            draw_full_circle(context, scaled_position.x, scaled_position.y, 70, COLOR_YELLOW);
         }
 
         if (i == 1) {
-            draw_full_circle(ctxt, tmp2->x, tmp2->y, 15, COLOR_BLUE);
+            draw_full_circle(context, scaled_position.x, scaled_position.y, 15, COLOR_BLUE);
         }
 
         if (i == 2) {
-            draw_full_circle(ctxt, tmp2->x, tmp2->y, 8, COLOR_RED);
+            draw_full_circle(context, scaled_position.x, scaled_position.y, 8, COLOR_RED);
         }
 
         if (i == 3) {
-            draw_full_circle(ctxt, tmp2->x, tmp2->y, 15, COLOR_GREEN);
+            draw_full_circle(context, scaled_position.x, scaled_position.y, 15, COLOR_GREEN);
         }
-
-        free(tmp);
-        free(tmp2);
     }
 }
-
-SolarSystem *solar_system_create(double interval) {
-    SolarSystem *solar_system = (SolarSystem *)malloc(sizeof(SolarSystem));
-    solar_system->update = __update;
-    solar_system->draw = __draw;
-
-    solar_system->celestial_objects_length = 4;
-    solar_system->celestial_objects = (SolarSystem **)malloc(sizeof(SolarSystem *) * solar_system->celestial_objects_length);
-
-    const double SUN_MASS = 1.989 * 1E30;
-    Vector2 *sun_position = vector2_create(0, 0);
-    solar_system->celestial_objects[0] = celestial_object_create(SUN_MASS, sun_position);
-
-    const double EARTH_MASS = 5.972 * 1E24;
-    double e_1 = 0.01671123;
-    double semi_major_1 = 149.6 * 1E9;
-    double perihelion_1 = semi_major_1 * (1 - e_1);
-    Vector2 *earth_position = vector2_create(-perihelion_1, 0);
-    solar_system->celestial_objects[1] = celestial_object_create(EARTH_MASS, earth_position);
-
-    const double MARS_MASS = 6.39 * 1E23;
-    double e_2 = 0.0934;
-    double semi_major_2 = 227.9 * 1E9;
-    double perihelion_2 = semi_major_2 * (1 - e_2);
-    Vector2 *mars_position = vector2_create(-perihelion_2, 0);
-    solar_system->celestial_objects[2] = celestial_object_create(MARS_MASS, mars_position);
-
-    const double VENUS_MASS = 4.867 * 1E24;
-    double e_3 = 0.00678;
-    double semi_major_3 = 108.2095 * 1E9;
-    double perihelion_3 = semi_major_3 * (1 - e_3);
-    Vector2 *venus_position = vector2_create(-perihelion_3, 0);
-    solar_system->celestial_objects[3] = celestial_object_create(VENUS_MASS, venus_position);
-
-    return solar_system;
-}

SolarSystem.h

 #ifndef SOLAR_SYSTEM_H
 #define SOLAR_SYSTEM_H
 
+#include <stdint.h>
+
 #include "CelestialObject.h"
 #include "gfx/gfx.h"
 
-typedef struct SolarSystem SolarSystem;
-struct SolarSystem {
-    // CelestialObject *star;
-    uint32_t celestial_objects_length;
-    CelestialObject **celestial_objects;
-
-    void (*update)(SolarSystem *solar_system);
-    void (*draw)(SolarSystem *solar_system, struct gfx_context_t *ctxt);
-};
+typedef struct {
+    uint32_t objects_length;
+    CelestialObject **objects;
+} SolarSystem;
 
 SolarSystem *solar_system_create(double interval);
+void solar_system_update(SolarSystem *solar_system);
+void solar_system_draw(SolarSystem *solar_system, struct gfx_context_t *context);
+
 // void show_system(struct gfx_context_t *ctxt, system_t *system);
 // void update_system(system_t *system, double interval);
 // void free_system(system_t *system);

Vector2.c

+#include "Vector2.h"
+
+#include <math.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+Vector2 vector2_create(double x, double y) {
+    return (Vector2){.x = x, .y = y};
+}
+
+Vector2 vector2_create_zero() {
+    return vector2_create(0, 0);
+}
+
+Vector2 vector2_add(Vector2 a, Vector2 b) {
+    return vector2_create(a.x + b.x, a.y + b.y);
+}
+
+Vector2 vector2_substract(Vector2 a, Vector2 b) {
+    return vector2_create(a.x - b.x, a.y - b.y);
+}
+
+Vector2 vector2_multiply(Vector2 v, double scalar) {
+    return vector2_create(v.x * scalar, v.y * scalar);
+}
+
+double vector2_dot_product(Vector2 a, Vector2 b) {
+    return a.x * b.x + a.y * b.y;
+}
+
+double vector2_norm_sqr(Vector2 v) {
+    return vector2_dot_product(v, v);
+}
+
+double vector2_norm(Vector2 v) {
+    return sqrt(vector2_norm_sqr(v));
+}
+
+Vector2 vector2_normalize(Vector2 v) {
+    double norm = vector2_norm(v);
+    return vector2_create(v.x / norm, v.y / norm);
+}
+
+bool vector2_is_similiar(Vector2 a, Vector2 b, double epsilon) {
+    return vector2_norm(vector2_substract(a, b)) < epsilon;
+}
+
+Vector2 vector2_fit_canvas(Vector2 v, uint32_t width, uint32_t height) {
+    double x = round((width - 1) / 2.0 + v.x * (width - 1) / 2.0);
+    double y = round((height - 1) / 2.0 + v.y * (height - 1) / 2.0);
+    return vector2_create(x, y);
+}
+
+void vector2_print(Vector2 v) {
+    printf("(%lf, %lf)\n", v.x, v.y);
+}

Vector2.h

+#ifndef VECTOR2_H
+#define VECTOR2_H
+
+#include <stdbool.h>
+#include <stdint.h>
+
+typedef struct Vector2 Vector2;
+struct Vector2 {
+    double x;
+    double y;
+};
+
+Vector2 vector2_create(double x, double y);
+Vector2 vector2_create_zero();
+Vector2 vector2_add(Vector2 a, Vector2 b);
+Vector2 vector2_substract(Vector2 a, Vector2 b);
+Vector2 vector2_multiply(Vector2 v, double scalar);
+double vector2_dot_product(Vector2 a, Vector2 b);
+double vector2_norm_sqr(Vector2 v);
+double vector2_norm(Vector2 v);
+Vector2 vector2_normalize(Vector2 v);
+bool vector2_is_similiar(Vector2 a, Vector2 b, double epsilon);
+Vector2 vector2_fit_canvas(Vector2 v, uint32_t width, uint32_t height);
+void vector2_print(Vector2 v);
+
+#endif

Vectors/Vector2.c

-#include "Vector2.h"
-
-#include <math.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-Vector2 *__add(Vector2 *a, Vector2 *b) {
-    return vector2_create(a->x + b->x, a->y + b->y);
-}
-
-Vector2 *__substract(Vector2 *a, Vector2 *b) {
-    return vector2_create(a->x - b->x, a->y - b->y);
-}
-
-Vector2 *__multiply(Vector2 *v, double scalar) {
-    return vector2_create(v->x * scalar, v->y * scalar);
-}
-
-double __dot_product(Vector2 *a, Vector2 *b) {
-    return a->x * b->x + a->y * b->y;
-}
-
-double __norm_sqr(Vector2 *v) {
-    return v->dot_product(v, v);
-}
-
-double __norm(Vector2 *v) {
-    return sqrt(v->norm_sqr(v));
-}
-
-Vector2 *__normalize(Vector2 *v) {
-    double norm = v->norm(v);
-    return vector2_create(v->x / norm, v->y / norm);
-}
-
-bool __is_similiar(Vector2 *a, Vector2 *b, double epsilon) {
-    Vector2 *c = a->substract(a, b);
-    double norm = c->norm(c);
-    free(c);
-    return norm < epsilon;
-}
-
-Vector2 *__fit_canvas(Vector2 *v, uint32_t width, uint32_t height) {
-    double x = round((width - 1) / 2.0 + v->x * (width - 1) / 2.0);
-    double y = round((height - 1) / 2.0 + v->y * (height - 1) / 2.0);
-    return vector2_create(x, y);
-}
-
-void __print(Vector2 *v) {
-    printf("(%lf, %lf)\n", v->x, v->y);
-}
-
-Vector2 *vector2_create(double x, double y) {
-    Vector2 *v = (Vector2 *)malloc(sizeof(Vector2));
-    v->add = __add;
-    v->substract = __substract;
-    v->multiply = __multiply;
-    v->dot_product = __dot_product;
-    v->norm = __norm;
-    v->norm_sqr = __norm_sqr;
-    v->normalize = __normalize;
-    v->is_similiar = __is_similiar;
-    v->fit_canvas = __fit_canvas;
-    v->print = __print;
-
-    v->x = x;
-    v->y = y;
-
-    return v;
-}
-
-Vector2 *vector2_create_zero() {
-    return vector2_create(0, 0);
-}

Vectors/Vector2.h

-#ifndef VECTOR2_H
-#define VECTOR2_H
-
-#include <stdbool.h>
-#include <stdint.h>
-
-typedef struct Vector2 Vector2;
-struct Vector2 {
-    double x;
-    double y;
-
-    Vector2 *(*add)(Vector2 *a, Vector2 *b);
-    Vector2 *(*substract)(Vector2 *a, Vector2 *b);
-    Vector2 *(*multiply)(Vector2 *v, double scalar);
-    double (*dot_product)(Vector2 *a, Vector2 *b);
-    double  (*norm_sqr)(Vector2 *v);
-    double (*norm)(Vector2 *v);
-    Vector2 *(*normalize)(Vector2 *v);
-    bool (*is_similiar)(Vector2 *a, Vector2 *b, double epsilon);
-    Vector2 *(*fit_canvas)(Vector2 *v, uint32_t width, uint32_t height);
-    void (*print)(Vector2 *v);
-};
-
-Vector2 *vector2_create(double x, double y);
-Vector2 *vector2_create_zero();
-
-typedef struct _coordinates {
-    uint32_t row, column;
-} coordinates;
-
-#endif

Vectors/vec_tests.c

-#include <math.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "Vector2.h"
-
-typedef struct _test_result {
-    bool passed;
-    const char *name;
-} test_result;
-
-typedef test_result (*unit_test_t)(void);
-
-void print_in_color(char *color, char *text) {
-    printf("\033%s", color);
-    printf("%s", text);
-    printf("\033[0m");
-}
-
-void print_in_red(char *text) {
-    print_in_color("[0;31m", text);
-}
-
-void print_in_green(char *text) {
-    print_in_color("[0;32m", text);
-}
-
-bool dbl_eq(double a, double b) {
-    return fabs(a - b) < 1e-6;
-}
-
-/*
-*
-* Write your tests here
-*
-*/
-/* TODO
-vec2 vec2_create(double x_, double y_); -- Ok
-vec2 vec2_create_zero(); -- Ok
-vec2 vec2_add(vec2 lhs, vec2 rhs); -- Ok
-vec2 vec2_sub(vec2 lhs, vec2 rhs); -- Ok
-vec2 vec2_mul(double scalar, vec2 lhs); -- Ok
-double vec2_dot(vec2 lhs, vec2 rhs); -- Ok
-double vec2_norm_sqr(vec2 v); -- Ok
-double vec2_norm(vec2 v); -- Ok
-vec2 vec2_normalize(vec2 v); -- Ok
-bool vec2_is_approx_equal(vec2 lhs, vec2 rhs, double eps);
-coordinates vec2_to_coordinates(vec2 v, uint32_t width, uint32_t height);
-*/
-const double u_x[] = {1.25, 3.53, 2.64, 8.8};
-const double u_y[] = {3.42, 7.22, 5.32, 2.44};
-const double v_x[] = {4.32, 6.21, 7.42, 9.32};
-const double v_y[] = {5.22, 3.56, 8.65, 6.44};
-const uint32_t nb_tests = sizeof(u_x) / sizeof(double);
-
-test_result t_vec2_create_0() {
-    bool passed = true;
-    for (uint32_t i = 0; i < nb_tests; i++) {
-        Vector2 *v = vector2_create(u_x[i], u_y[i]);
-        if (u_x[i] != v->x || u_y[i] != v->y) {
-            passed = false;
-            break;
-        }
-        free(v);
-    }
-
-    return (test_result){.passed = passed, .name = "Test vec2_create 0"};
-}
-
-test_result t_vec2_create_zero_0() {
-    Vector2 *v = vector2_create_zero();
-    bool passed = v->x == 0.0 && v->y == 0.0;
-    free(v);
-    return (test_result){.passed = passed, .name = "Test vec2_create_zero 0"};
-}
-
-test_result t_vec2_add_0() {
-    double r_x[] = {5.57, 9.74, 10.06, 18.12};
-    double r_y[] = {8.64, 10.78, 13.97, 8.88};
-
-    bool passed = true;
-    for (uint32_t i = 0; i < nb_tests; i++) {
-        Vector2 *u = vector2_create(u_x[i], u_y[i]);
-        Vector2 *v = vector2_create(v_x[i], v_y[i]);
-        Vector2 *r = u->add(u, v);
-
-        if (!(dbl_eq(r->x, r_x[i]) && dbl_eq(r->y, r_y[i]))) {
-            passed = false;
-            break;
-        }
-
-        free(u);
-        free(v);
-        free(r);
-    }
-
-    return (test_result){.passed = passed, .name = "Test vec2_add 0"};
-}
-
-test_result t_vec2_sub_0() {
-    double r_x[] = {-3.07, -2.68, -4.78, -0.52};
-    double r_y[] = {-1.80, 3.66, -3.33, -4.00};
-
-    bool passed = true;
-    for (uint32_t i = 0; i < nb_tests; i++) {
-        Vector2 *u = vector2_create(u_x[i], u_y[i]);
-        Vector2 *v = vector2_create(v_x[i], v_y[i]);
-        Vector2 *r = u->substract(u, v);
-
-        if (!(dbl_eq(r->x, r_x[i]) && dbl_eq(r->y, r_y[i]))) {
-            passed = false;
-            break;
-        }
-
-        free(u);
-        free(v);
-        free(r);
-    }
-
-    return (test_result){.passed = passed, .name = "Test vec2_sub 0"};
-}
-
-test_result t_vec2_mul_0() {
-    double r_x[] = {5.40, 21.9213, 19.5888, 82.016};
-    double r_y[] = {14.7744, 44.8362, 39.4744, 22.740800};
-
-    bool passed = true;
-    for (uint32_t i = 0; i < nb_tests; i++) {
-        double alpha = v_x[i];
-        Vector2 *u = vector2_create(u_x[i], u_y[i]);
-        Vector2 *r = u->multiply(u, alpha);
-
-        if (!(dbl_eq(r->x, r_x[i]) && dbl_eq(r->y, r_y[i]))) {
-            passed = false;
-            break;
-        }
-
-        free(u);
-        free(r);
-    }
-
-    return (test_result){.passed = passed, .name = "Test vec2_mul 0"};
-}
-
-test_result t_vec2_dot_0() {
-    double r[] = {23.2524, 47.6245, 65.6068, 97.7296};
-
-    bool passed = true;
-    for (uint32_t i = 0; i < nb_tests; i++) {
-        Vector2 *u = vector2_create(u_x[i], u_y[i]);
-        Vector2 *v = vector2_create(v_x[i], v_y[i]);
-        double res = u->dot_product(u, v);
-
-        if (!dbl_eq(res, r[i])) {
-            passed = false;
-            break;
-        }
-
-        free(u);
-        free(v);
-    }
-
-    return (test_result){.passed = passed, .name = "Test vec2_dot 0"};
-}
-
-test_result t_vec2_norm_sqr_0() {
-    double r[] = {13.2589, 64.5893, 35.272, 83.3936};
-
-    bool passed = true;
-    for (uint32_t i = 0; i < nb_tests; i++) {
-        Vector2 *u = vector2_create(u_x[i], u_y[i]);
-        double res = u->norm_sqr(u);
-
-        if (!dbl_eq(res, r[i])) {
-            passed = false;
-            break;
-        }
-
-        free(u);
-    }
-
-    return (test_result){.passed = passed, .name = "Test vec2_norm_sqr 0"};
-}
-
-test_result t_vec2_norm_0() {
-    double r[] = {3.641277, 8.036747, 5.939023, 9.132010};
-
-    bool passed = true;
-    for (uint32_t i = 0; i < nb_tests; i++) {
-        Vector2 *u = vector2_create(u_x[i], u_y[i]);
-        double res = u->norm(u);
-
-        if (!dbl_eq(res, r[i])) {
-            passed = false;
-            break;
-        }
-
-        free(u);
-    }
-
-    return (test_result){.passed = passed, .name = "Test vec2_norm 0"};
-}
-
-test_result t_vec2_normalize_0() {
-    double r_x[] = {0.343286, 0.439232, 0.444518, 0.963643};
-    double r_y[] = {0.939231, 0.898373, 0.895770, 0.267192};
-
-    bool passed = true;
-    for (uint32_t i = 0; i < nb_tests; i++) {
-        Vector2 *u = vector2_create(u_x[i], u_y[i]);
-        Vector2 *r = u->normalize(u);
-
-        if (!(dbl_eq(r->x, r_x[i]) && dbl_eq(r->y, r_y[i]))) {
-            passed = false;
-            break;
-        }
-
-        free(u);
-        free(r);
-    }
-
-    return (test_result){.passed = passed, .name = "Test vec2_normalize 0"};
-}
-
-test_result t_vec2_is_approx_equal_0() {
-    bool r[] = {true, true, false, false};
-
-    double t_x[] = {u_x[0], u_x[1] + 1e-4, u_x[2] + 15.0, u_x[3] + 1e-2};
-    double t_y[] = {u_y[0], u_y[1] - 1e-4, u_y[2] + 15.0, u_y[3] + 1e-2};
-
-    bool passed = true;
-    for (uint32_t i = 0; i < nb_tests; i++) {
-        Vector2 *u = vector2_create(u_x[i], u_y[i]);
-        Vector2 *t = vector2_create(t_x[i], t_y[i]);
-
-        if (u->is_similiar(u, t, 1e-3) != r[i]) {
-            passed = false;
-            break;
-        }
-
-        free(u);
-        free(t);
-    }
-
-    return (test_result){.passed = passed, .name = "Test vec2_is_approx_equal 0"};
-}
-
-// test_result t_vec2_to_coordinates_0() {
-//     uint32_t height = 300;
-//     uint32_t width = 100;
-//     double t_x[] = {0.25, 0.5, 0.75, 1};
-//     double t_y[] = {0, 1.0 / 3.0, 2.0 / 3.0, 1};
-//     uint32_t r_col[] = {62, 74, 87, 99};
-//     uint32_t r_row[] = {150, 199, 249, 299};
-
-//     bool passed = true;
-//     for (uint32_t i = 0; i < nb_tests; i++) {
-//         vec2 t = vec2_create(t_x[i], t_y[i]);
-//         coordinates r = vec2_to_coordinates(t, width, height);
-
-//         if (r.row != r_row[i] || r.column != r_col[i]) {
-//             passed = false;
-//             break;
-//         }
-//     }
-
-//     return (test_result){.passed = passed, .name = "Test vec2_to_coordinates 0"};
-// }
-
-//Add or remove your test function name here
-const unit_test_t tests[] = {
-    t_vec2_create_0,
-    t_vec2_create_zero_0,
-    t_vec2_add_0,
-    t_vec2_sub_0,
-    t_vec2_mul_0,
-    t_vec2_dot_0,
-    t_vec2_norm_sqr_0,
-    t_vec2_norm_0,
-    t_vec2_normalize_0,
-    t_vec2_is_approx_equal_0,
-    // t_vec2_to_coordinates_0,
-};
-
-int main() {
-    uint32_t nb_tests = sizeof(tests) / sizeof(unit_test_t);
-    char message[256];
-    bool all_passed = true;
-
-    for (uint32_t i = 0; i < nb_tests; i++) {
-        printf("Running test n°%d: ...\n", i);
-        test_result r = tests[i]();
-
-        if (r.passed) {
-            sprintf(message, "\t- %s : OK", r.name);
-            print_in_green(message);
-        } else {
-            all_passed = false;
-            sprintf(message, "\t- %s : FAILED", r.name);
-            print_in_red(message);
-        }
-
-        printf("\n");
-    }
-
-    if (all_passed)
-        print_in_green("\nTests suite result : OK\n");
-    else
-        print_in_red("\nTests suite result : FAILED\n");
-}

main.c

@@ -3,25 +3,20 @@
 #include <stdlib.h>
 #include <time.h>
 
-#include "CelestialObject.h"
 #include "SolarSystem.h"
-#include "Vectors/Vector2.h"
-#include "gfx/gfx.h"
+#include "Vector2.h"
+// #include "gfx/gfx.h"
 
 #define SCREEN_WIDTH 1000
 #define SCREEN_HEIGHT 1000
 
-const double SUN_MASS = 1.989 * 1E30;
-const double EARTH_MASS = 5.972 * 1E24;
-
 int main() {
     // srand(time(NULL));
     srand(0);
-    printf("%lf\n", SUN_MASS);
 
-    struct gfx_context_t *ctxt = gfx_create("Solar System", SCREEN_WIDTH, SCREEN_HEIGHT);
+    struct gfx_context_t *context = gfx_create("Solar System", SCREEN_WIDTH, SCREEN_HEIGHT);
 
-    if (!ctxt) {
+    if (!context) {
         fprintf(stderr, "Graphics initialization failed!\n");
         return EXIT_FAILURE;
     }
@@ -29,16 +24,16 @@ int main() {
     SolarSystem *solar_system = solar_system_create(0);
 
     while (true) {
-        gfx_present(ctxt);
-        gfx_clear(ctxt, COLOR_BLACK);
+        gfx_present(context);
+        gfx_clear(context, COLOR_BLACK);
 
-        solar_system->draw(solar_system, ctxt);
+        solar_system_draw(solar_system, context);
 
         if (gfx_keypressed() == SDLK_ESCAPE) {
             break;
         }
     }
 
-    gfx_destroy(ctxt);
+    gfx_destroy(context);
     return EXIT_SUCCESS;
 }