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Contents
#
# Polygons
#
# by Ricard Marxer
#
# This example shows how to create polygon bodies.
#
load_library :fisica
include_package 'fisica'
attr_reader :world, :poly
def setup
size(400, 400)
smooth
Fisica.init(self)
@world = FWorld.new
world.set_gravity(0, 800)
world.set_edges
world.remove(world.left)
world.remove(world.right)
world.remove(world.top)
world.set_edges_restitution(0.5)
end
def draw
background(255)
world.step
world.draw(self)
# Draw the polygon while
# while it is being created
# and hasn't been added to the
# world yet
poly.draw(self) if (poly)
end
def mouse_pressed
unless (world.get_body(mouse_x, mouse_y))
@poly = FPoly.new
poly.set_stroke_weight(3)
poly.set_fill(120, 30, 90)
poly.set_density(10)
poly.set_restitution(0.5)
poly.vertex(mouse_x, mouse_y)
end
end
def mouse_dragged
poly.vertex(mouse_x, mouse_y) if (poly)
end
def mouse_released
if (poly)
world.add(poly)
@poly = nil
end
end
#
# Remove object under mouse using backspace 'key'
# any other key should save
#
def key_pressed
if key_code == BACKSPACE
hovered = world.get_body(mouse_x, mouse_y)
if (hovered && hovered.is_static == false)
world.remove(hovered)
end
else
save_frame("screenshot.png")
end
end
Version data entries
10 entries across 10 versions & 1 rubygems