From e19943e9f228634f5c4514c487e9b596ef826dc0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lera=20Elvo=C3=A9?= <yagich@poto.cafe>
Date: Fri, 14 Feb 2025 20:04:45 +0300
Subject: [PATCH] add feed obj

---
 data/images/tongue.png         | Bin 0 -> 736 bytes
 data/scripts/classes/feed.lua  |  41 +++++++++++++++++++++++++++++++++
 data/scripts/game.lua          |  21 +++++++++++------
 data/scripts/types/vector3.lua |   2 +-
 4 files changed, 56 insertions(+), 8 deletions(-)
 create mode 100644 data/images/tongue.png
 create mode 100644 data/scripts/classes/feed.lua

diff --git a/data/images/tongue.png b/data/images/tongue.png
new file mode 100644
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diff --git a/data/scripts/classes/feed.lua b/data/scripts/classes/feed.lua
new file mode 100644
index 0000000..859c284
--- /dev/null
+++ b/data/scripts/classes/feed.lua
@@ -0,0 +1,41 @@
+local Vector3 = require "types.vector3"
+local util    = require "util"
+
+local TEXTURE = "images/tongue.png"
+
+local Feed = {
+  position = {},
+  direction = {},
+  velocity = {},
+  landed = false,
+
+  speed = 0.15,
+}
+
+Feed.__index = Feed
+
+function Feed.new(p_position, p_direction)
+  local f = util.shallow_copy(Feed)
+  f.position = p_position:copy()
+  f.direction = p_direction:copy()
+  f.velocity = f.direction * f.speed
+  f.velocity.y = 0.1
+
+  return setmetatable(f, Feed)
+end
+
+function Feed:tick(ctx)
+  if not self.landed then
+    -- gravity
+    self.velocity.y = math.max(self.velocity.y - 0.02, -0.2)
+    self.position = self.position + self.velocity
+  end
+  
+  if self.position.y <= 0.2 and not self.landed then
+    self.position.y = 0.2
+    self.landed = true
+  end
+  draw_billboard{position = self.position, texture = TEXTURE, size = Vector3(0.2, 0.2)}
+end
+
+return Feed
\ No newline at end of file
diff --git a/data/scripts/game.lua b/data/scripts/game.lua
index 4af6dec..d6b3f83 100644
--- a/data/scripts/game.lua
+++ b/data/scripts/game.lua
@@ -1,6 +1,13 @@
 local player = require "classes.player"
 local util = require "util"
 local Vector3 = require "types.vector3"
+local Feed = require "classes.feed"
+
+local feed = {}
+
+local function create_feed(position, direction)
+  table.insert(feed, Feed.new(position, direction))
+end
 
 -- called every frame, with constant delta time
 function game_tick()
@@ -8,13 +15,9 @@ function game_tick()
   if ctx.initialization_needed then
     -- ctx.udata persists on reload
     ctx.udata = {
-      capture = false
+      capture = false,
     }
-    player.ThrowPressed:connect(
-      function (position, direction)
-        print(position, " ", direction)
-      end
-    )
+    player.ThrowPressed:connect(create_feed)
   end
 
   ctx.mouse_capture = ctx.udata.capture
@@ -24,10 +27,14 @@ function game_tick()
     ctx.udata.capture = not ctx.udata.capture
   end
 
+  for _, v in pairs(feed) do
+    v:tick(ctx)
+  end
+
   player:tick(ctx)
   -- draw_camera{position = Vector3(0, 1, 0), direction = Vector3.FORWARD}
   -- draw ground
-  local q = util.create_plane_quad(Vector3(0, 0, 0), Vector3.UP, 10)
+  local q = util.create_plane_quad(Vector3(0, 0, 0), Vector3.UP, 20)
   local params = {
     texture = "images/measure001a.png",
     texture_region = { x = 0, y = 0, w = 512, h = 512 },
diff --git a/data/scripts/types/vector3.lua b/data/scripts/types/vector3.lua
index 62e712a..893313a 100644
--- a/data/scripts/types/vector3.lua
+++ b/data/scripts/types/vector3.lua
@@ -2,7 +2,7 @@
 --- @field x number
 --- @field y number
 --- @field z number
---- @alias vectorlike table | Vector3
+--- @alias vectorlike number[] | Vector3
 local Vector3 = {
   x = 0,
   y = 0,