collision bug fixesHEADmaster

1 files changed, 9 insertions, 8 deletions

diff --git a/src/sector.c b/src/sector.c
index 96efed4..5255a76 100644
--- a/src/sector.c
+++ b/src/sector.c
@@ -96,7 +96,8 @@ int map_draw(map_t *map, int SW, int SH)
             int old_ytop = ytop[x], old_ybottom = ybottom[x];
 
             // depth-shaded white color
-            uint wall_col = scale_color(COLOR_WHITE, (2*z/3));
+            uint wall_col = //(x == x1 || x == x2) ? COLOR_BLACK :
+                scale_color(COLOR_WHITE, (2*z/3));
 
             if(neighbor == (size_t)-1) {  // no neighbor
                 vline(x, cya, cyb, wall_col);
@@ -165,9 +166,8 @@ void map_detect_collision(map_t *map)
            || !(pointside(px+dx, py+dy, vert(s0).x, vert(s0).y, vert(s1).x, vert(s1).y) < 0))
             continue;
 
-        float hole_low = 0.0f, hole_high = 0.0f;
-        if(sect->neighbors[i] != (size_t)-1)
-        {
+        float hole_high = 0.0f, hole_low = 0.0f;
+        if(sect->neighbors[i] != (size_t)-1) {
             hole_high = min(sect->ceil,  map->sectors[sect->neighbors[i]].ceil);
             hole_low = map->sectors[sect->neighbors[i]].floor;
         }
@@ -178,14 +178,15 @@ void map_detect_collision(map_t *map)
            || hole_high - hole_low < eyeheight + player->head_margin) {
             // formula from wikipedia
             float xd = vert(s1).x - vert(s0).x, yd = vert(s1).y - vert(s0).y;
-            player->velocity.x = xd * (dx*xd + yd*dy) / (xd*xd + yd*yd);
-            player->velocity.y = yd * (dx*xd + yd*dy) / (xd*xd + yd*yd);
+            dx = xd * (dx*xd + yd*dy) / (xd*xd + yd*yd);
+            dy = yd * (dx*xd + yd*dy) / (xd*xd + yd*yd);
         } else {
             map->player.sector = sect->neighbors[i];
         }
-
-        break;
     }
+
+    player->velocity.x = dx;
+    player->velocity.y = dy;
 }