def create_shadow(self, scale=1.0, darkness=1.0, iters=5):
im = get_pil_image(self.image)
shalpha = im.split()[-1].convert("L")
for i in range(iters):
shalpha = shalpha.filter(ImageFilter.BLUR)
shalpha=Image.eval(shalpha, lambda x:x*darkness)
shimg=Image.new("RGBA", self.image.get_size())
#shimg=shimg.convert("RGBA")
shimg.putalpha(shalpha)
return pygame.image.frombuffer(shimg.tostring(), self.image.get_size(), "RGBA")
def apply_lightmap(self):
sun_direction = math.pi*0.75
lighting_direction = sanitize_angle(self.heading+sun_direction)
# figure out which one of the prerendered lightmaps to use
h = int(lighting_direction/(2*math.pi)*len(self.lightmaps*2))
if 0 <= h < len(self.lightmaps):
lm = self.lightmaps[h]
else:
lm = self.lightmaps[2*len(self.lightmaps)-h-1].transpose(Image.FLIP_TOP_BOTTOM)
im = get_pil_image(self.image)
img = im.convert("L")
# apply lightmap
limg = ImageChops.multiply(img, lm).convert("RGBA")
limg.putalpha(im.split()[-1])
return pygame.image.frombuffer(limg.tostring(), self.image.get_size(), "RGBA")
