initialization ControlPanel

CMakeLists.txt

@@ -17,7 +17,7 @@ find_package(raylib 3.0 REQUIRED)
 add_executable(nw-hello src/main-hello.c)
 target_link_libraries(nw-hello raylib)
 
-add_executable(nw-viewer src/main-viewer.c src/networld.c)
+add_executable(nw-viewer src/main-viewer.c src/networld.c src/controlpanel.c)
 target_link_libraries(nw-viewer raylib)
 
 #without cmake package... 

src/controlpanel.c

+#include "controlpanel.h"
+#include <stdio.h>
+#include <stdlib.h>
+
+// Constructor / Destructor
+Panel * Panel_new()
+{
+    Panel * p = malloc( sizeof(Panel) );
+    return p;
+}
+
+void Panel_delete(Panel * self)
+{
+    free(self);
+}
+
+// Initialization
+void Panel_initialize(Panel * self, NetWorld * world)
+{
+    self->world= world;
+    self->camerax= 0;
+    self->cameray= 0;
+    self->scale= 1;
+}
+
+// To String
+void Panel_print(Panel * self)
+{
+    printf("Panel camera(x-%f, y-%f, scale-%f)\n", self->camerax, self->cameray, self->scale);
+}

src/controlpanel.h

+#ifndef CONTROLPANEL_H
+#define CONTROLPANEL_H
+
+#include "networld.h"
+
+struct Str_Panel {
+    double camerax, cameray;
+    double scale;
+    NetWorld * world;
+};
+
+typedef struct Str_Panel Panel;
+
+// Constructor / Destructor
+Panel * Panel_new();
+void Panel_delete(Panel * self);
+
+// Initialization
+void Panel_initialize(Panel * self, NetWorld * world);
+
+// To String
+void Panel_print(Panel * self);
+
+#endif //CONTROLPANEL_H
\ No newline at end of file

src/main-viewer.c

@@ -5,11 +5,14 @@
 *
 ********************************************************************************************/
 
-#include "networld.h"
 #include "raylib.h"
+
 #include <stdlib.h>
 #include <stdio.h>
 
+#include "networld.h"
+#include "controlpanel.h"
+
 // Program attributes
 //-------------------
 const int screenWidth = 800;
@@ -33,6 +36,9 @@ int main(int nbArg, char ** arg)
     NetWorld_initNodePosition( world, 1, 110.4, 52.8 );
     NetWorld_initNodePosition( world, 2, 384.5, 422.2 );
 
+    Panel * panel= Panel_new();
+    Panel_initialize(panel, world);
+
     // Raylib Initialization
     //----------------------
     InitWindow(screenWidth, screenHeight, "NetWorld basic viewer");
@@ -43,6 +49,7 @@ int main(int nbArg, char ** arg)
     puts("world variable:");
     NetWorld_print(world);
     puts("world expected:\n[10.4, 12.8]\n[110.4, 52.8]\n[384.5, 422.2]");
+    Panel_print(panel);
     
     // Main game loop
     while (!game_end && !WindowShouldClose())    // Detect window close button or ESC key