Fix viewport resize

flux/flowfield_functions/__init__.py

@@ -27,9 +27,10 @@ def _setup_args(args: SimpleNamespace):
             dpg.add_slider_float(width=sp_width/2, label=arg, parent=ff_func_settings, default_value=prop.val, max_value=prop.max_val, min_value=prop.min_val, user_data=prop, callback= lambda sender, data, property: getattr(property, 'callback')(sender, data, property) if hasattr(property, 'callback') else setattr(property, 'val', data))
 
 def get_flowfield_function(func):
-    args, noise = __ff_funcs.get(func)()
+    args, noise, init_flowfield = __ff_funcs.get(func)()
     _setup_args(args)        
-    return noise
+    init_flowfield()
+    return SimpleNamespace(noise=noise, init_flowfield=init_flowfield)
 
 def get_flowfield_function_names():
     return list(__ff_funcs.keys())

flux/flowfield_functions/fastnoisesimd.py

@@ -37,4 +37,4 @@ def noise(particles, frame_count):
 		coords[2] = np.repeat(frame_count, coords[0].size) * args.time_scale.val
 		angles = fns_noise.genFromCoords(coords) * TAU
 		return np.cos(angles), np.sin(angles)
-	return args, noise
+	return args, noise, init_flowfield

flux/flowfield_functions/frank_lab_text.py

@@ -24,7 +24,7 @@ def get_flowfield_function_name():
 
 def flowfield():
 	previous_angles = None
-	w, h = (cfg.ff_width, cfg.ff_height)
+	w,h = (cfg.ff_width, cfg.ff_height)
 	angle_corrector = np.random.random(size=cfg.max_particles)*0.5 + 0.01
 	font_coords, red, green, blue, alpha = [], None, None, None, None
 
@@ -49,8 +49,9 @@ def set_font_path(new_path):
 
 	def init_flowfield():
 		nonlocal text, font_size, font_path, font_coords, w, h, red, green, blue, alpha, reset_particles
-		cfg.reset_particles = reset_particles
 
+		w,h = (cfg.ff_width, cfg.ff_height)
+		cfg.reset_particles = reset_particles
 		font = ImageFont.truetype(font_path,size=font_size, encoding='utf-8')
 		img = Image.new(mode="RGBA", size=(w,h), color=(0, 0, 0, 0))
 		img = radial_gradient(img, (w//2, h//2), (0, 0, 255), (255, 255, 0), font.getbbox(text, anchor='mm'))
@@ -74,11 +75,10 @@ def reset_particles(reset_indices):
 		cfg.particles[:2, reset_indices] = font_coords[choice].T
 		cfg.particles[2, reset_indices] = np.random.randint(cfg.min_age, cfg.max_age + 1, size=np.sum(reset_indices))
 
-	init_flowfield()
 
 	args = SimpleNamespace(
 		text = SimpleNamespace(
-			val = "FLUX",
+			val = text,
 			callback = lambda sender, data, property: set_text(data),
 			type = cfg.TYPE_INPUT_TEXT
 		),
@@ -109,4 +109,4 @@ def noise(particles, frame_count):
 		dx = np.cos(angles)
 		dy = np.sin(angles)
 		return dx, dy
-	return args, noise
+	return args, noise, init_flowfield

flux/flowfield_functions/quattro.py

@@ -41,12 +41,12 @@ def init_flowfield():
   )
 
   init_flowfield()
-  
+
   def noise(particles, frame_count):
     nonlocal args, TAU
     x, y = particles[:2, :]/(args.scale.val)
     angles = np.cos(TAU*args.m.val*x)*np.cos(TAU*args.n.val*y)*args.a.val \
       - np.cos(TAU*args.n.val*x)*np.cos(TAU*args.m.val*y)*args.b.val
     return np.cos(angles), np.sin(angles)
-  return args, noise
+  return args, noise, init_flowfield
 

flux/flowfield_functions/swirly.py

@@ -21,12 +21,11 @@ def init_flowfield():
       max_val = 0.5
     )
   )
-  init_flowfield()
-
+
   def noise(particles, frame_count):
     nonlocal args
     angles = (np.cos(particles[0]*args.scale.val) + np.sin(particles[1]*args.scale.val)) * args.curviness.val
     return np.cos(angles), np.sin(angles)
 
-  return args, noise
+  return args, noise, init_flowfield
 

flux/flowfield_functions/vortex.py

@@ -35,4 +35,4 @@ def noise(particles, frame_count):
 		# Normalize the resulting angle components
 		norm = np.maximum(np.sqrt(f_sin**2 + f_cos**2), 1e-8)
 		return f_cos/norm, f_sin/norm
-	return args, noise
+	return args, noise, init_flowfield

flux/flux.py

@@ -19,7 +19,7 @@ def spawn_paricles():
 
 def recalc_particles():
 
-  dx, dy = cfg.ff_func(cfg.particles, dpg.get_frame_count())
+  dx, dy = cfg.ff_func.noise(cfg.particles, dpg.get_frame_count())
 
   cfg.particles[0] = np.add(cfg.particles[0], np.multiply(dx, cfg.speed))
   cfg.particles[1] = np.add(cfg.particles[1], np.multiply(dy, cfg.speed))
@@ -76,6 +76,7 @@ def handle_viewport_resize(sender, data):
       dpg.configure_item('parameters', pos=(cfg.ff_width, 0)) # Update side panel position
       background(cfg.bg_color)
       dimmer(cfg.bg_color, cfg.d_alpha)
+      cfg.ff_func.init_flowfield()
       dpg.set_frame_callback(dpg.get_frame_count()+1, callback=lambda: dpg.output_frame_buffer(callback=init_frame_buffer))