collision/more physics updates

src/world.c

@@ -1,5 +1,6 @@
 #include <stddef.h>
 #include "world.h"
+#include "collision.h"
 
 // the beeg one. hooooooooooooooooh boy
 
@@ -39,12 +40,12 @@ bool IsGrounded(Entity *e)
 {
     if (!e)
         return false;
-
-    return (
-        e->position.y +
-        e->size * 0.5f >=
-        ground_y - 2.0f
-    );
+    if(e->position.y +e->size * 0.5f >=ground_y - 2.0f || e->headgrounded){
+        return true;
+    }
+    else{
+        return false;
+    }
 }
 
 Entity *SpawnEntity(
@@ -76,6 +77,7 @@ Entity *SpawnEntity(
             e->force = (Vector2){0, 0};
 
             e->color = color;
+            e->headgrounded = false;
 
             return e;
         }