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By: Nobody
 RE: DuckToEndAllDucks [ reply ]
2005-11-27 16:25
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I like your code very well and I have enjoyed
having my robot fight with it.
Anyway, I found a strange line in your code, and when i changed that, your robot's efficiency become
better.
def quadrant
left = x < battlefield_width / 2
right = !right # is it (right = !left)?
top = y < battlefield_height / 2
bottom = !top
if left and top
really, I like your robot
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By: Terje Tjervaag
DuckToEndAllDucks [ reply ]
2005-11-27 13:19
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A duck with a very ambitious name. Needs a better aim, but moves well.
----------------------
require 'robot'
class DuckToEndAllDucks
include Robot
def tick events
accelerate 1 if velocity < 7
if close_to_edge
turn_towards_quadrant get_other_quadrant
end
@post_hit_turn ||= 0
if !events['got_hit'].empty?
@post_hit_turn = 10
end
if @post_hit_turn > 0
if @post_hit_turn < 70
turn 10
@post_hit_turn += 10
else
@post_hit_turn = 0
end
end
@gun_turn_back ||= 50
@robot_sighted ||= 0
@fire_in_ticks ||= 2
if !events['robot_scanned'].empty? and @gun_turn_back > 40
@robot_sighted = radar_heading
@turnstep = -5
@gun_turn_back = 10
@distance = events['robot_scanned'][0][0]
if @distance < 500 then fire 3 end
else
if @gun_turn_back == 20
turn_gun @turnstep
@gun_turn_back += 10
if @distance < 500
fire 3
else
fire 1
end
elsif @gun_turn_back <= 40
turn_gun @turnstep
@gun_turn_back += 10
else
turn_gun 10
end
end
end
def close_to_edge
margins = [x, (x - battlefield_width).abs, y, (y - battlefield_height).abs]
true if margins.min < 200
end
def get_other_quadrant
other = quadrant
until other != quadrant do
other = (rand * 4).to_i
end
other
end
# Return 1, 2, 3, 4 depending on which quadrant of the battlefield the robot is in
# -----
# |1 2|
# |3 4|
# -----
def quadrant
left = x < battlefield_width / 2
right = !right
top = y < battlefield_height / 2
bottom = !top
if left and top
1
elsif right and top
2
elsif left and bottom
3
else
4
end
end
def simple_heading
if (heading <= 90)
"ne"
elsif (heading > 90) and (heading <= 180)
"nw"
elsif (heading > 180) and (heading <= 270)
"sw"
else
"se"
end
end
def turn_towards_quadrant(target_quadrant)
case quadrant
when 1
case target_quadrant
when 2
if simple_heading != "ne" then turn 20 end
when 3
if simple_heading != "sw" then turn 20 end
when 4
if simple_heading != "se" then turn 20 end
end
when 2
case target_quadrant
when 1
if simple_heading != "nw" then turn 20 end
when 3
if simple_heading != "sw" then turn 20 end
when 4
if simple_heading != "se" then turn 20 end
end
when 3
case target_quadrant
when 1
if simple_heading != "nw" then turn 20 end
when 2
if simple_heading != "ne" then turn 20 end
when 4
if simple_heading != "se" then turn 20 end
end
when 4
case target_quadrant
when 1
if simple_heading != "nw" then turn 20 end
when 2
if simple_heading != "ne" then turn 20 end
when 3
if simple_heading != "sw" then turn 20 end
end
end
end
end
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