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player.rb
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player.rb
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require_relative 'laser'
require_relative 'vec2d'
require_relative 'rect'
class Player
def initialize(width, height)
starting_x = (width - size.x) / 2
starting_y = 9 * height / 10
@pos = Vec2D.new(starting_x, starting_y)
@accel_left = 0
@accel_right = 0
end
def size
Vec2D.new(20, 20)
end
def vel
Vec2D.new(@accel_left + @accel_right, 0)
end
def bounds
Rect.new(@pos, size)
end
def move
@pos = @pos.add(vel)
end
def accelerate(direction)
case direction
when :left
@accel_left = -1
when :right
@accel_right = 1
end
end
def decelerate(direction)
case direction
when :left
@accel_left = 0
when :right
@accel_right = 0
end
end
def fire_laser
Laser.new(@pos)
end
end