cyberarm/i-mic-fps
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Refactored bounding box to use 2 vectors, stubbed PhysicsManager.

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Cyberarm
2019-02-24 15:05:54 -06:00
parent fc72f2bdc8
commit 965b8d0c80
9 changed files with 114 additions and 99 deletions
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78
lib/math/bounding_box.rb
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@@ -1,56 +1,42 @@
class IMICFPS
class BoundingBox
attr_accessor :min_x, :min_y, :min_z, :max_x, :max_y, :max_z
attr_accessor :min, :max
def initialize(min_x = 0.0, min_y = 0.0, min_z = 0.0, max_x = 0.0, max_y = 0.0, max_z = 0.0)
@min_x = min_x
@min_y = min_y
@min_z = min_z
@max_x = max_x
@max_y = max_y
@max_z = max_z
def initialize
@min = Vector.new
@max = Vector.new
end
def ==(other)
min_x == other.min_x &&
min_y == other.min_y &&
min_z == other.min_z &&
max_x == other.max_x &&
max_y == other.max_y &&
max_z == other.max_z
@min == other.min &&
@max == other.max
end
# returns a new bounding box that includes both bounding boxes
def union(other)
temp = BoundingBox.new
temp.min_x = [min_x, other.min_x].min
temp.min_y = [min_y, other.min_y].min
temp.min_z = [min_z, other.min_z].min
temp.min.x = [@min.x, other.min.x].min
temp.min.y = [@min.y, other.min.y].min
temp.min.z = [@min.z, other.min.z].min
temp.max_x = [max_x, other.max_x].max
temp.max_y = [max_y, other.max_y].max
temp.max_z = [max_z, other.max_z].max
temp.max.x = [@max.x, other.max.x].max
temp.max.y = [@max.y, other.max.y].max
temp.max.z = [@max.z, other.max.z].max
return temp
end
# returns boolean
def intersect(other)
(min_x <= other.max_x && max_x >= other.min_x) &&
(min_y <= other.max_y && max_y >= other.min_y) &&
(min_z <= other.max_z && max_z >= other.min_z)
(@min.x <= other.max.x && @max.x >= other.min.x) &&
(@min.y <= other.max.y && @max.y >= other.min.y) &&
(@min.z <= other.max.z && @max.z >= other.min.z)
end
def difference(other)
temp = BoundingBox.new
temp.min_x = min_x - other.min_x
temp.min_y = min_y - other.min_y
temp.min_z = min_z - other.min_z
temp.max_x = max_x - other.max_x
temp.max_y = max_y - other.max_y
temp.max_z = max_z - other.max_z
temp.min = @min - other.min
temp.max = @max - other.max
return temp
end
@@ -60,39 +46,39 @@ class IMICFPS
end
def width
@max_x - @min_x
@max.x - @min.x
end
def height
@max_y - @min_y
@max.y - @min.y
end
def depth
@max_z - @min_z
@max.z - @min.z
end
def normalize(entity)
temp = BoundingBox.new
temp.min_x = min_x.to_f * entity.scale
temp.min_y = min_y.to_f * entity.scale
temp.min_z = min_z.to_f * entity.scale
temp.min.x = @min.x.to_f * entity.scale
temp.min.y = @min.y.to_f * entity.scale
temp.min.z = @min.z.to_f * entity.scale
temp.max_x = max_x.to_f * entity.scale
temp.max_y = max_y.to_f * entity.scale
temp.max_z = max_z.to_f * entity.scale
temp.max.x = @max.x.to_f * entity.scale
temp.max.y = @max.y.to_f * entity.scale
temp.max.z = @max.z.to_f * entity.scale
return temp
end
def normalize_with_offset(entity)
temp = BoundingBox.new
temp.min_x = min_x.to_f * entity.scale + entity.position.x
temp.min_y = min_y.to_f * entity.scale + entity.position.y
temp.min_z = min_z.to_f * entity.scale + entity.position.z
temp.min.x = @min.x.to_f * entity.scale + entity.position.x
temp.min.y = @min.y.to_f * entity.scale + entity.position.y
temp.min.z = @min.z.to_f * entity.scale + entity.position.z
temp.max_x = max_x.to_f * entity.scale + entity.position.x
temp.max_y = max_y.to_f * entity.scale + entity.position.y
temp.max_z = max_z.to_f * entity.scale + entity.position.z
temp.max.x = @max.x.to_f * entity.scale + entity.position.x
temp.max.y = @max.y.to_f * entity.scale + entity.position.y
temp.max.z = @max.z.to_f * entity.scale + entity.position.z
return temp
end