Sha256: badffac7a09c3605596ef573637e7e991d75f804a520afefe26de092d3711b4a
Contents?: true
Size: 1.32 KB
Versions: 9
Compression:
Stored size: 1.32 KB
Contents
#
# GroupPShape
#
# How to group multiple PShapes into one PShape
#
# A PShape that will group PShapes
attr_reader :group
def setup
size(640, 360, P2D)
smooth
# Create the shape as a group
@group = create_shape(GROUP)
# Make a polygon PShape
star = create_shape
star.begin_shape
star.no_fill
star.stroke(255)
star.vertex(0, -50)
star.vertex(14, -20)
star.vertex(47, -15)
star.vertex(23, 7)
star.vertex(29, 40)
star.vertex(0, 25)
star.vertex(-29, 40)
star.vertex(-23, 7)
star.vertex(-47, -15)
star.vertex(-14, -20)
star.end_shape(CLOSE)
# Make a path PShape
path = create_shape
path.begin_shape
path.no_fill
path.stroke(255)
(-PI .. 0).step(0.1) do |theta|
r = rand(60 .. 70)
path.vertex(r*cos(theta), r*sin(theta))
end
path.end_shape
# Make a primitive (Rectangle) PShape
rectangle = create_shape(RECT,-10,-10,20,20)
rectangle.set_fill(false)
rectangle.set_stroke(255)
# Add them all to the group
group.add_child(star)
group.add_child(path)
group.add_child(rectangle) # Rectangle is missing???
end
def draw
# We can access them individually via the group PShape
@rectangle = group.get_child(2)
# Shapes can be rotated
rectangle.rotate(0.1)
background(52)
# Display the group PShape
translate(mouse_x, mouse_y)
shape(group)
end
Version data entries
9 entries across 9 versions & 1 rubygems