From 7d2280bd34487eace72c3dad5d772c066660f509 Mon Sep 17 00:00:00 2001
From: Boris Stefanovic <owldev@bluewin.ch>
Date: Mon, 6 Dec 2021 11:30:37 +0100
Subject: [PATCH] prep work
---
main.c | 5 ++++-
planet/planet.c | 34 +++++++++++++++++++++++++++++++++-
planet/planet.h | 2 +-
3 files changed, 38 insertions(+), 3 deletions(-)
diff --git a/main.c b/main.c
index 5b38f57..cbaf99c 100644
--- a/main.c
+++ b/main.c
@@ -20,12 +20,14 @@ int main()
}
// TODO : create your system
-
+ // end : create system
while (true)
{
gfx_present(ctxt);
// TODO : draw the current state of your system
+ // end : draw state of system
// TODO : update your system
+ // end : update system
gfx_clear(ctxt, COLOR_BLACK);
if (gfx_keypressed() == SDLK_ESCAPE)
{
@@ -34,6 +36,7 @@ int main()
}
// TODO : Free your system
+ // end : free system
gfx_destroy(ctxt);
return EXIT_SUCCESS;
}
diff --git a/planet/planet.c b/planet/planet.c
index 7352906..c9b7767 100644
--- a/planet/planet.c
+++ b/planet/planet.c
@@ -4,4 +4,36 @@
#define G 6.67e-11
#define M_SOLEIL 1.989e30
-// TODO : magic
\ No newline at end of file
+
+/*
+typedef struct _planet
+{
+ double mass;
+ vec2 pos; // x(t)
+ vec2 prec_pos; // x(t - dt)
+} planet_t;
+typedef struct _system
+{
+ planet_t star; // ex. The sun
+ uint32_t nb_planets; // The number of orbiting planets
+ planet_t *planets; // An array of orbiting planets
+} system_t;
+*/
+
+
+// TODO : complete all implementations
+
+
+planet_t create_planet(double mass, vec2 pos);
+
+
+system_t create_system(double delta_t);
+
+
+void show_system(struct gfx_context_t *ctxt, system_t *system);
+
+
+void update_system(system_t *system, double delta_t);
+
+
+void free_system(system_t *system);
diff --git a/planet/planet.h b/planet/planet.h
index f21984e..0b2b87f 100644
--- a/planet/planet.h
+++ b/planet/planet.h
@@ -26,4 +26,4 @@ void show_system(struct gfx_context_t *ctxt, system_t *system);
void update_system(system_t *system, double delta_t);
void free_system(system_t *system);
-#endif
\ No newline at end of file
+#endif
--
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