add back player

data/scripts/classes/player.lua

@@ -0,0 +1,39 @@
+local Vector3 = require("types.vector3")
+local util = require("util")
+
+local Player = {
+  position = Vector3(0, 1, 0),
+  velocity = Vector3(),
+
+  speed = 0.07,
+  mouse_sensitivity = 0.01,
+
+  yaw = 0,
+  yaw_speed = 0.05,
+}
+
+function Player:tick(ctx)
+  input_action{name = "left", control = "A"}
+  input_action{name = "right", control = "D"}
+  input_action{name = "forward", control = "W"}
+  input_action{name = "back", control = "S"}
+
+  local camera_forward = Vector3(draw_camera_from_principal_axes(self).direction)
+  camera_forward.y = 0
+  camera_forward = camera_forward:normalized()
+  local camera_right = camera_forward:cross(Vector3.UP)
+
+  local forward_input = util.b2n(input_action_pressed{name = "forward"}) - util.b2n(input_action_pressed{name = "back"})
+  local strafe_input = util.b2n(input_action_pressed{name = "right"}) - util.b2n(input_action_pressed{name = "left"})
+
+  local direction = ((camera_forward * forward_input) + (camera_right * strafe_input)):normalized()
+  self.velocity = direction * self.speed
+
+  if ctx.mouse_capture then
+    self.yaw = self.yaw + self.mouse_sensitivity * ctx.mouse_movement.x
+  end
+
+  self.position = self.position + self.velocity
+end
+
+return Player