add throw signal to player

data/scripts/classes/player.lua

@@ -1,5 +1,6 @@
 local Vector3 = require("types.vector3")
 local util = require("util")
+local Signal = require("types.signal")
 
 local Player = {
   position = Vector3(0, 1, 0),
@@ -10,6 +11,8 @@ local Player = {
 
   yaw = 0,
   yaw_speed = 0.05,
+
+  ThrowPressed = Signal.new(),
 }
 
 function Player:tick(ctx)
@@ -18,6 +21,8 @@ function Player:tick(ctx)
   input_action{name = "forward", control = "W"}
   input_action{name = "back", control = "S"}
 
+  input_action{name = "throw", control = "SPACE"}
+
   local camera_forward = Vector3(draw_camera_from_principal_axes(self).direction)
   camera_forward.y = 0
   camera_forward = camera_forward:normalized()
@@ -29,6 +34,10 @@ function Player:tick(ctx)
   local direction = ((camera_forward * forward_input) + (camera_right * strafe_input)):normalized()
   self.velocity = direction * self.speed
 
+  if input_action_just_pressed{name = "throw"} then
+    self.ThrowPressed:emit(self.position:copy(), camera_forward:copy())
+  end
+
   if ctx.mouse_capture then
     self.yaw = self.yaw + self.mouse_sensitivity * ctx.mouse_movement.x
   end

data/scripts/game.lua

@@ -1,6 +1,7 @@
 local player = require "classes.player"
 local util = require "util"
 local Vector3 = require "types.vector3"
+local Signal = require("types.signal")
 
 -- called every frame, with constant delta time
 function game_tick()
@@ -10,6 +11,11 @@ function game_tick()
     ctx.udata = {
       capture = false
     }
+    player.ThrowPressed:connect(
+      function (position, direction)
+        print(position, " ", direction)
+      end
+    )
   end
 
   ctx.mouse_capture = ctx.udata.capture

data/scripts/types/vector3.lua

@@ -211,6 +211,11 @@ function Vector3:rotated(axis, angle)
   return Vector3(v)
 end
 
+---Returns a copy of this vector.
+---@return Vector3
+function Vector3:copy()
+  return Vector3(self)
+end
 ---- CONSTANTS
 
 Vector3.UP = Vector3(0, 1, 0)