View difference between Paste ID: 9BVJpeZk and 7556PpWp

 local W,H = 1024, 1024
 local tex =  Texture(1024, 1024, ETF_A8R8G8B8)
 
-ffi.cdef("typedef struct { uint8_t r, g, b, a; } rgba_pixel;")
+
 local img = ffi.new("unsigned char[?]", length)
-local img = ffi.new("rgba_pixel[?]", length)
+
-for i = 0, length-1 do
+
-	img[i].r = math.random(255)
+local r = math.random
-	img[i].g = math.random(255)
+
-	img[i].b = math.random(255)
+
-	img[i].a = math.random(255)
+	for i = 0, length-1 do
-end
+		img[i+0] = r(255)
 		img[i+1] = r(255)
-tex:SetData(img)
+		img[i+2] = r(255)
-
+		img[i+3] = 255
 	end
 
 	tex:SetData(img)
 
 	rect.x, rect.y = mouse.GetPos()
 
 	graphics.Set2DFlags()
 	graphics.DrawTexture(tex, rect, nil, nil, true)
 end)