fix some mewnala examples

Author: catilac

crates/processing_pyo3/examples/background_image.py

@@ -3,7 +3,7 @@
 def setup():
     global i
     size(800, 600)
-    i = image("images/logo.png")
+    i = load_image("images/logo.png")
 
 
 def draw():

crates/processing_pyo3/examples/lights.py

@@ -19,9 +19,9 @@ def setup():
     point_light_b.look_at(0.0, 0.0, 0.0)
 
     # Spot Light
-    spot_light = spot_light((0.25, 0.8, 0.19), 15.0 * 1000000.0, 200.0, 0.84, 0.0, 0.7854)
-    spot_light.position(40.0, 0.0, 70.0)
-    spot_light.look_at(0.0, 0.0, 0.0)
+    spot_light_a = spot_light((0.25, 0.8, 0.19), 15.0 * 1000000.0, 200.0, 0.84, 0.0, 0.7854)
+    spot_light_a.position(40.0, 0.0, 70.0)
+    spot_light_a.look_at(0.0, 0.0, 0.0)
 
 def draw():
     global angle

crates/processing_pyo3/examples/materials.py

@@ -8,8 +8,8 @@ def setup():
     mode_3d()
 
     dir_light = directional_light((1.0, 0.98, 0.95), 1500.0)
-    point_light = point_light((1.0, 1.0, 1.0), 100000.0, 800.0, 0.0)
-    point_light.position(200.0, 200.0, 400.0)
+    p_light = point_light((1.0, 1.0, 1.0), 100000.0, 800.0, 0.0)
+    p_light.position(200.0, 200.0, 400.0)
 
     mat = Material()
     mat.set(roughness=0.3)