laneya2

commit

3b8bf1780f96211df1bff3c27159046a647ede2b

parent

61c7c761cf74e646e94f5ff1e50c3644fd46a454

Author

Tobias Bengfort <tobias.bengfort@posteo.de>

Date

2024-09-25 05:52

make monster move towards closest player

Diffstat

2 files changed, 43 insertions, 1 deletions

diff --git a/game.go b/game.go

@@ -98,11 +98,25 @@ func (monster *Monster) run() {
   98    98 		case <-monster.quit:
   99    99 			return
  100   100 		case <-ticker.C:
   -1   101 			bestDist := 100000
   -1   102 			dir := "left"
   -1   103 			for player := range monster.Game.Players {
   -1   104 				dist := monster.Pos.Dist(player.Pos)
   -1   105 				if dist < bestDist {
   -1   106 					bestDist = dist
   -1   107 					dir = monster.Pos.Dir(player.Pos)
   -1   108 				}
   -1   109 			}
   -1   110 
   -1   111 			if bestDist > 10 || !monster.Game.IsFree(monster.Pos.Move(dir)) {
   -1   112 				dir = RandomDir()
   -1   113 			}
   -1   114 
  101   115 			monster.Game.MMsg <- MonsterMessage{
  102   116 				monster,
  103   117 				Message{
  104   118 					"action": "move",
  105    -1 					"dir":    RandomDir(),
   -1   119 					"dir":    dir,
  106   120 				},
  107   121 			}
  108   122 		}

diff --git a/geo.go b/geo.go

@@ -16,6 +16,34 @@ type Rect struct {
   16    16 
   17    17 var dirs = []string{"up", "right", "down", "left"}
   18    18 
   -1    19 func dist(a int, b int) int {
   -1    20 	if a > b {
   -1    21 		return a - b
   -1    22 	} else {
   -1    23 		return b - a
   -1    24 	}
   -1    25 }
   -1    26 
   -1    27 func (point *Point) Dist(other Point) int {
   -1    28 	return dist(point.X, other.X) + dist(point.Y, other.Y)
   -1    29 }
   -1    30 
   -1    31 func (point *Point) Dir(other Point) string {
   -1    32 	if dist(point.X, other.X) > dist(point.Y, other.Y) {
   -1    33 		if point.X > other.X {
   -1    34 			return "left"
   -1    35 		} else {
   -1    36 			return "right"
   -1    37 		}
   -1    38 	} else {
   -1    39 		if point.Y > other.Y {
   -1    40 			return "up"
   -1    41 		} else {
   -1    42 			return "down"
   -1    43 		}
   -1    44 	}
   -1    45 }
   -1    46 
   19    47 func (point *Point) Move(dir string) Point {
   20    48 	if dir == "up" {
   21    49 		return Point{point.X, point.Y - 1}