Sha256: d0c9db9a6242d8fc38a4f6ef6ee8df6f790707a2cf1dc45dc74d9da97a11faf6
Contents?: true
Size: 704 Bytes
Versions: 6
Compression:
Stored size: 704 Bytes
Contents
#
# Image Mask
#
# Move the mouse to reveal the image through the dynamic mask.
#
attr_reader :mask_shader, :src_image, :mask_image
def setup
size(640, 360, P2D)
@src_image = load_image('leaves.jpg')
@mask_image = create_graphics(src_image.width, src_image.height, P2D)
mask_image.no_smooth
@mask_shader = load_shader('mask.glsl')
mask_shader.set('mask', mask_image)
background(255)
end
def draw
mask_image.begin_draw
mask_image.background(0)
if (mouse_x != 0) && (mouse_y != 0)
mask_image.no_stroke
mask_image.fill(255, 0, 0)
mask_image.ellipse(mouse_x, mouse_y, 50, 50)
end
mask_image.end_draw
shader(mask_shader)
image(src_image, 0, 0, width, height)
end
Version data entries
6 entries across 6 versions & 1 rubygems