Sha256: cac2445744f51dfda278fa911993ed678b0965067903c2e1ea0d4c8be22a448b
Contents?: true
Size: 708 Bytes
Versions: 4
Compression:
Stored size: 708 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
4 entries across 4 versions & 1 rubygems