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Size: 1021 Bytes
Versions: 10
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Stored size: 1021 Bytes
Contents
#
# Raycast
#
# by Ricard Marxer
#
# This example shows how to use the raycasts.
#
load_library :fisica
module Fisica
include_package 'fisica'
end
attr_reader :world, :obstacle
def setup
size(400, 400)
smooth
Fisica::Fisica.init(self)
@world = Fisica::FWorld.new
@obstacle = Fisica::FBox.new(150, 150)
obstacle.set_rotation(QUARTER_PI)
obstacle.set_position(width/2, height/2)
obstacle.set_static(true)
obstacle.set_fill(0)
obstacle.set_restitution(0)
world.add(obstacle)
end
def draw
background(255)
world.draw
world.step
cast_ray
end
def cast_ray
result = Fisica::FRaycastResult.new
b = world.raycast_one(width/2, height, mouse_x, mouse_y, result, true)
stroke(0)
line(width/2, height, mouse_x, mouse_y)
if (b)
b.set_fill(120, 90, 120)
fill(180, 20, 60)
no_stroke
x = result.get_x
y = result.get_y
ellipse(x, y, 10, 10)
else
obstacle.set_fill(0)
end
end
def key_pressed
save_frame("screenshot.png")
end
Version data entries
10 entries across 10 versions & 1 rubygems