1 files changed, 45 insertions, 0 deletions
diff --git a/src/enemy.odin b/src/enemy.odin
index e806b37..5ff3d00 100644
--- a/src/enemy.odin
+++ b/src/enemy.odin
@@ -3,6 +3,7 @@ package demonchime
 import "base:intrinsics"
 
 import "core:math"
+import "core:math/linalg"
 import "core:log"
 import hm "core:container/handle_map"
 
@@ -13,6 +14,7 @@ Enemy_Ai :: enum(u16) {
   None,
   Corpse,
   Muntik,
+  Hugbug,
 }
 
 Enemy_Update_Callback :: #type proc(^Enemy, f32)
@@ -21,6 +23,7 @@ update_funcs := [Enemy_Ai]Enemy_Update_Callback{
   .None = noop_ai,
   .Corpse = corpse_ai,
   .Muntik = update_muntik,
+  .Hugbug = update_hugbug,
 }
 
 Enemy_Stats :: struct {
@@ -43,6 +46,7 @@ Enemy :: struct {
 
   variant: union {
     ^Muntik,
+    ^Hugbug,
   },
 }
 
@@ -105,6 +109,20 @@ draw_enemies :: proc() {
   }
 }
 
+draw_enemy_bodies :: proc() {
+  for e in state.enemy_list {
+    pos := phys.get_position(e.body)
+    rect := phys.get_rect(e.body)
+
+    fw.draw_rect(
+      rect.start + pos,
+      rect.size,
+      color = fw.RED,
+      lines = true,
+    )
+  }
+}
+
 clear_enemies :: proc() {
   for e in state.enemy_list {
     phys.remove_body(e^.body)
@@ -118,6 +136,33 @@ on_room_open_enemies :: proc(room_id: Room_Id) {
   clear_enemies()
 }
 
+accelerate_to_point :: proc(
+  b: phys.Body_Handle,
+  point: Vec2,
+  speed: f32,
+  accel: f32,
+) {
+  pos := phys.get_position(b)
+  dir := linalg.normalize0(point - pos)
+  vel := phys.get_velocity(b)
+  phys.set_velocity(b, dt_lerp(vel, dir * speed, accel))
+}
+
+contact_damage :: proc(body: phys.Body_Handle, damage: i16) {
+  collisions := phys.get_colliding_bodies(body)
+  defer delete(collisions)
+
+  pos := phys.get_position(body)
+  for other_body in collisions {
+    layers := phys.get_layers(other_body)
+    if .Player in layers {
+      other_pos := phys.get_position(other_body)
+      dir := linalg.normalize0(other_pos - pos) * 500
+      player_take_damage(damage, dir)
+    }
+  }
+}
+
 noop_ai :: proc(e: ^Enemy, _: f32) {}
 
 corpse_ai :: proc(e: ^Enemy, dt: f32) {