speck oneshot and emitting flag

1 files changed, 8 insertions, 1 deletions

diff --git a/src/objs/specks.lua b/src/objs/specks.lua
index 9424680..061f0fb 100644
--- a/src/objs/specks.lua
+++ b/src/objs/specks.lua
@@ -75,6 +75,9 @@ function Speck_Sys.new()
   self.x = 0
   self.y = 0
   self.spawn_timer = self.interval
+
+  self.oneshot = false
+  self.emitting = true
   return self
 end
 
@@ -140,10 +143,13 @@ function Speck_Sys:update(dt)
 
   -- particle spawning
   self.spawn_timer = self.spawn_timer - dt
-  if self.spawn_timer <= 0 then
+  if self.spawn_timer <= 0 and self.emitting then
     self.spawn_timer = self.interval
 
     self:spawn_particles()
+    if self.oneshot then
+      self.emitting = false
+    end
   end
 
   -- particles processing
@@ -247,6 +253,7 @@ function export_speck_sys(sys, filename)
     "interval",
     "texture_path",
     "gradient",
+    "oneshot",
     "bounce",
   }
   local exp = {}