fix stuff

game/modules/tome/data/gfx/particles/shader_ring_rotating.lua

@@ -20,6 +20,8 @@
 base_size = 32
 
 local nb = 0
+x = x or 0
+y = y or 0
 
 return {
 	blend_mode=additive and core.particles.BLEND_SHINY or nil,
@@ -32,8 +34,8 @@ return {
 		life = 100,
 		size = fs, sizev = 0, sizea = 0,
 
-		x = 0, xv = 0, xa = 0,
-		y = 0, yv = 0, ya = 0,
+		x = x * base_size, xv = 0, xa = 0,
+		y = y * base_size, yv = 0, ya = 0,
 		dir = 0, dirv = dirv, dira = 0,
 		vel = 0, velv = 0, vela = 0,
 

game/modules/tome/data/gfx/shaders/firesurge.lua

@@ -25,11 +25,10 @@ return {
 		ellipsoidalFactor = ellipsoidalFactor or {1,1}, --1 is perfect circle, >1 is ellipsoidal
 		side = noup or 0,
 		timeScale = timeScale or 2.0,
-		renderCore = 1.0,
-		renderArcs = 1.0,
-		isPermanent = 0.0,
-		coreRadiusMult = 1.0,
-		verticalIntensityAdjust = verticalIntensityAdjust or 0,
+		renderCore = renderCore or 1.0,
+		renderArcs = renderArcs or 1.0,
+		isPermanent = isPermanent or 0.0,
+		coreRadiusMult = coreRadiusMult or 1.0,
 	},
 	resetargs = {
 		tick_start = function() return core.game.getFrameTime() end,