1 files changed, 47 insertions, 0 deletions
diff --git a/UsefullLuaSnippets/rendergrass.lua b/UsefullLuaSnippets/rendergrass.lua
new file mode 100644
index 0000000..38ed10b
--- /dev/null
+++ b/UsefullLuaSnippets/rendergrass.lua
@@ -0,0 +1,47 @@
+--Snippit for moving sprite textures.. Warning: GLua is slow so using this instead of source engines detail is a stupid idea! Only for small exact things!
+
+
+local SpritePlants = {}
+local Zero = Vector(0,0,0)
+local Dir  = Vector(16,0,0)
+local DirH = Vector(0,0,16)
+local TMat = {}
+
+function PlantSpriteAtVector(Origin,BoxSize,SpriteTable,MaxSprites)
+	Zero.z 			= BoxSize.z
+	SpritePlants 	= {}
+	
+	for k,v in pairs(SpriteTable) do if (!TMat[v]) then TMat[v],Unused = Material(v,"nocull") end end
+	
+	for i = 1,MaxSprites do
+	
+		local Random = Vector(math.Rand(-1,1),math.Rand(-1,1),0) * BoxSize
+		local Tr = util.TraceLine({
+			start = Origin+Zero+Random,
+			endpos = Origin-Zero+Random,
+			mask = MASK_SOLID_BRUSHONLY,
+		})
+		
+		if (Tr.Hit and Tr.HitWorld) then 
+			Dir:Rotate(Angle(0,math.random(0,360),0))
+			
+			table.insert(SpritePlants,{
+				V1 = Tr.HitPos+Dir,
+				V2 = Tr.HitPos-Dir,
+				Matsy = TMat[SpriteTable[math.random(1,#SpriteTable)]],
+			})
+		end
+	end
+end
+
+hook.Add("PostDrawTranslucentRenderables","RenderPlants",function()
+	for k,v in pairs(SpritePlants) do
+		local MOVE = (v.V1-v.V2):GetNormal()*math.cos(CurTime()*2+k*15)*5
+		render.SetMaterial(v.Matsy)
+		render.DrawQuad(v.V2+DirH+MOVE,v.V1+DirH+MOVE,v.V1,v.V2)
+	end
+end)
+
+/*
+	lua_run_cl PlantSpriteAtVector(player.GetByID(1):GetPos(),Vector(100,100,100),{"gearfox/grass.png",},300)
+*/
+\ No newline at end of file