bullets slow down and squish

1 files changed, 14 insertions, 1 deletions

diff --git a/src/bullet.odin b/src/bullet.odin
index eb8190b..61b920a 100644
--- a/src/bullet.odin
+++ b/src/bullet.odin
@@ -1,6 +1,7 @@
 package demonchime
 
 import "core:math"
+import "core:math/linalg"
 import "core:log"
 
 import "phys"
@@ -9,7 +10,9 @@ Bullet :: struct {
   handle: Entity_Handle,
   body: phys.Body_Handle,
   sprite: Sprite,
+  vel: Vec2,
   lifetime: f32,
+  lifetime_max: f32,
 }
 
 make_bullet :: proc(
@@ -24,7 +27,8 @@ make_bullet :: proc(
   init_sprite(&sprite, image_id)
 
   sprite.offset = {
-    math.round(f32(sprite.width) * 0.5),
+    0,
+    // math.round(f32(sprite.width) * 0.5),
     math.round(f32(sprite.height) * 0.5),
   }
   sprite.rotation = math.atan2(vel.y, vel.x) * math.DEG_PER_RAD
@@ -42,7 +46,9 @@ make_bullet :: proc(
   return make_entity(&state.bullet_list, Bullet{
     body = body,
     sprite = sprite,
+    vel = vel,
     lifetime = lifetime,
+    lifetime_max = lifetime,
   })
 }
 
@@ -64,7 +70,14 @@ update_bullets :: proc(dt: f32) {
       continue
     }
 
+    phys.set_velocity(
+      b.body,
+      linalg.lerp(b.vel, Vec2{0, 0}, 1 - b.lifetime / b.lifetime_max),
+    )
+
     b.sprite.pos = phys.get_position(b.body)
+
+    b.sprite.scale.x = math.max(b.lifetime / b.lifetime_max, 0.1)
   }
 }