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|
FF::Scn::BoidRules.add(
FF::Sys.new('Follow', priority: 70) do
FF::Cmp::Follow.each do |follow|
boid = follow.entities[0].components[FF::Cmp::Boid][0]
target_coords = [0.0, 0.0]
case follow.target
when FF::Cmp::Boid
target_coords[0] = follow.target.x
target_coords[1] = follow.target.y
when Array
target_coords[0] = follow.target[0]
target_coords[1] = follow.target[1]
when :mouse
camera = FF::Cmp::SingletonCamera[0]
angle = camera.angle * (Math::PI / 180)
mouse = $gtk.args.inputs.mouse
mouse_x = mouse.x
mouse_y = mouse.y
half_width = $gtk.args.grid.w * 0.5
half_height = $gtk.args.grid.h * 0.5
mag = Helpers::Vectors.magnitude(mouse_x,
mouse_y,
half_width,
half_height) / camera.zoom
if mag > half_height
mouse_x = (((mouse_x - half_width) / mag) * half_height) + half_width
mouse_y = (((mouse_y - half_height) / mag) * half_height) + half_height
end
#puts "x: #{mouse_x}"
#puts "y: #{mouse_y}"
#puts "x mag: #{mouse_x / mag}"
#puts "y mag: #{mouse_y / mag}"
$gtk.args.outputs.solids << [mouse_x, mouse_y, 250, 250, 255, 0, 0, 255]
target_coords[0] = (((mouse_x - half_width) / camera.zoom) * Math.cos(-angle)) - (((mouse_y - half_height) / camera.zoom) * Math.sin(-angle)) + camera.x
target_coords[1] = (((mouse_x - half_width) / camera.zoom) * Math.sin(-angle)) + (((mouse_y - half_height) / camera.zoom) * Math.cos(-angle)) + camera.y
end
boid.cx += (target_coords[0] - boid.x) * follow.strength.to_f
boid.cy += (target_coords[1] - boid.y) * follow.strength.to_f
end
end
)
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