1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
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
mag = Helpers::Vectors.magnitude(follow.target.x,
follow.target.y,
boid.x,
boid.y)
target_coords[0] = (follow.target.x - boid.x) / mag
target_coords[1] = (follow.target.y - boid.y) / mag
when Array
mag = Helpers::Vectors.magnitude(follow.target[0],
follow.target[1],
boid.x,
boid.y)
target_coords[0] = (follow.target[0] - boid.x) / mag
target_coords[1] = (follow.target[1] - boid.y) / mag
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 = $gtk.args.grid.h * 0.5
mag = Helpers::Vectors.magnitude(mouse_x,
mouse_y,
half_width,
half_height) / camera.zoom
# Caps the maximum power the mouse distance can inflict
if mag > half_height
mouse_x = (((mouse_x - half_width) / mag) * half_height) + half_width
mouse_y = (((mouse_y - half_height) / mag) * half_height) + half_height
end
#puts "x: #{mouse_x}"
#puts "y: #{mouse_y}"
#puts "x mag: #{mouse_x / mag}"
#puts "y mag: #{mouse_y / mag}"
#$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 - boid.x
target_coords[1] = (((mouse_x - half_width) / camera.zoom) * Math.sin(-angle)) + (((mouse_y - half_height) / camera.zoom) * Math.cos(-angle)) + camera.y - boid.y
end
boid.cx += target_coords[0] * follow.strength.to_f
boid.cy += target_coords[1] * follow.strength.to_f
end
end
)
|