add skeleton for transition

includes/animations.h

@@ -14,4 +14,7 @@ void manif(int);
 // Crédits de fin
 void credits(int);
 
+// Transition zoom
+void zoom_in(void (*)(int), void (*)(int), Uint32, Uint32, int);
+
 #endif

main.c

@@ -21,6 +21,7 @@ int main(int argc, char *argv[]) {
 
   // Animations
   GL4DHanime animations[] = {{10000, manif, NULL, NULL},
+                             {2000, manif, credits, zoom_in},
                              {9500, credits, NULL, NULL},
                              {0, NULL, NULL, NULL}};
 

shaders/zoom_in.fs

@@ -0,0 +1,4 @@
+#version 330
+
+void main(void) {
+}

shaders/zoom_in.vs

@@ -0,0 +1,4 @@
+#version 330
+
+void main(void) {
+}

src/animations.c

@@ -0,0 +1,44 @@
+#include "../includes/animations.h"
+
+/* Mise-à-jour des animations en fonction du son */
+static void update_with_audio(void (*)(int), void (*)(int), int);
+
+static void zoom_in_init(void);
+static void zoom_in_draw(void);
+
+static void update_with_audio(void (*a0)(int), void (*a1)(int), int state) {
+  if (a0) {
+    a0(state);
+  }
+
+  if (a1) {
+    a1(state);
+  }
+}
+
+void zoom_in(void (*a0)(int), void (*a1)(int), Uint32 t, Uint32 et, int state) {
+  switch (state) {
+  case GL4DH_INIT:
+    zoom_in_init();
+    break;
+
+  case GL4DH_DRAW:
+    zoom_in_draw();
+    break;
+
+  case GL4DH_UPDATE_WITH_AUDIO:
+    update_with_audio(a0, a1, state);
+    break;
+
+  default:
+    break;
+  }
+}
+
+static void zoom_in_init(void) {
+  static GLuint _pId = 0;
+  _pId = gl4duCreateProgram("<vs>shaders/zoom_in.vs", "<fs>shaders/zoom_in.fs",
+                            NULL);
+}
+
+static void zoom_in_draw(void) {}