tetris: increase gravity with level #421

src/tetris/lock.h

@@ -4,10 +4,10 @@ void StainBoard(int dimy, int dimx){
   }
   int high = 0xff - level_ * 16, low = level_ * 16; // rgb calculation limits us to 16 levels (0--15)
   uint64_t tl = 0, tr = 0, bl = 0, br = 0;
-  channels_set_fg_rgb(&tl, high, 0, low); channels_set_bg_alpha(&tl, CELL_ALPHA_TRANSPARENT);
-  channels_set_fg_rgb(&tr, low, high, 0); channels_set_bg_alpha(&tr, CELL_ALPHA_TRANSPARENT);
-  channels_set_fg_rgb(&bl, 0, low, high); channels_set_bg_alpha(&bl, CELL_ALPHA_TRANSPARENT);
-  channels_set_fg_rgb(&br, 0, high, low); channels_set_bg_alpha(&br, CELL_ALPHA_TRANSPARENT);
+  channels_set_fg_rgb(&tl, high, 0xff, low); channels_set_bg_alpha(&tl, CELL_ALPHA_TRANSPARENT);
+  channels_set_fg_rgb(&tr, low, high, 0xff); channels_set_bg_alpha(&tr, CELL_ALPHA_TRANSPARENT);
+  channels_set_fg_rgb(&bl, 0xff, low, high); channels_set_bg_alpha(&bl, CELL_ALPHA_TRANSPARENT);
+  channels_set_fg_rgb(&br, 0xff, high, low); channels_set_bg_alpha(&br, CELL_ALPHA_TRANSPARENT);
   if(!board_->stain(dimy - 2, dimx - 2, tl, tr, bl, br)){
     throw TetrisNotcursesErr("stain()");
   }
@@ -49,6 +49,7 @@ void LockPiece(){
       static constexpr int points[] = {50, 150, 350, 1000};
       score_ += (level_ + 1) * points[cleared - 1];
       level_ = linescleared_ / 10;
+      msdelay_ = std::chrono::milliseconds(Gravity(level_));
       StainBoard(bdimy, bdimx);
       UpdateScore();
     }

src/tetris/movedown.h

@@ -17,9 +17,9 @@ bool MoveDown() {
       curpiece_ = NewPiece();
     }else{
       ++y;
-      if(!nc_.render()){
-        throw TetrisNotcursesErr("render()");
-      }
+    }
+    if(!nc_.render()){
+      throw TetrisNotcursesErr("render()");
     }
   }
   return false;