a-game

commit d166bd2e12fa8d3ff778ffde7817cea06dd4e23c
parent cd3370ddbf739ad76efa3e4a62a031624c78f05d
Author: Amin Mesbah <dev@aminmesbah.com>
Date:   Sun,  2 Jun 2019 15:42:56 -0700

Explicitly floor rather than zero truncate

Diffstat:
M
src/am_math.h
 | 
6
++++++
M
src/game.c
 | 
8
++++----

2 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/src/am_math.h b/src/am_math.h
@@ -38,6 +38,12 @@ internal inline f32 math_wrap(f32 n, f32 min, f32 max)
     }
 }
 
+internal inline i32 math_floor(f32 x)
+{
+    i32 result = floorf(x);
+    return result;
+}
+
 internal inline f32 math_rand(f32 min, f32 max)
 {
     assert(min < max);
diff --git a/src/game.c b/src/game.c
@@ -372,12 +372,12 @@ void game_update_and_render(struct GameMemory *game_memory, struct GameInput *ga
 
             rect tile_search_range = {
                 .min = {
-                    (i32)math_max(0.0f, player_traversal_occupancy_bb.min.x - 1),
-                    (i32)math_max(0.0f, player_traversal_occupancy_bb.min.y - 1),
+                    math_floor(math_max(0.0f, player_traversal_occupancy_bb.min.x - 1)),
+                    math_floor(math_max(0.0f, player_traversal_occupancy_bb.min.y - 1)),
                 },
                 .max = {
-                    (i32)math_min(ROOM_TILE_DIM_X, player_traversal_occupancy_bb.max.x + 2),
-                    (i32)math_min(ROOM_TILE_DIM_Y, player_traversal_occupancy_bb.max.y + 2),
+                    math_floor(math_min(ROOM_TILE_DIM_X, player_traversal_occupancy_bb.max.x + 2)),
+                    math_floor(math_min(ROOM_TILE_DIM_Y, player_traversal_occupancy_bb.max.y + 2)),
                 },
             };