Class: Transform

Inherits:
Struct
  • Object
show all
Defined in:
lib/belts_engine/components/transform.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(position: Vec3.zero, rotation: Vec3.zero, scale: Vec3.one) ⇒ Transform 



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# File 'lib/belts_engine/components/transform.rb', line 2

def initialize(position: Vec3.zero, rotation: Vec3.zero, scale: Vec3.one) = super(position, rotation, scale)

Instance Attribute Details

#position ⇒ Object

Returns the value of attribute position



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# File 'lib/belts_engine/components/transform.rb', line 1

def position
  @position
end

#rotation ⇒ Object

Returns the value of attribute rotation



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# File 'lib/belts_engine/components/transform.rb', line 1

def rotation
  @rotation
end

#scale ⇒ Object

Returns the value of attribute scale



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# File 'lib/belts_engine/components/transform.rb', line 1

def scale
  @scale
end

Instance Method Details

#back ⇒ Object 



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# File 'lib/belts_engine/components/transform.rb', line 25

def back = -forward

#down ⇒ Object 



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# File 'lib/belts_engine/components/transform.rb', line 27

def down = -up

#forward ⇒ Object 



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# File 'lib/belts_engine/components/transform.rb', line 10

def forward
  matrix = to_matrix
  Vec3[matrix[0, 2], matrix[1, 2], matrix[2, 2]]
end

#left ⇒ Object 



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# File 'lib/belts_engine/components/transform.rb', line 26

def left = -right

#right ⇒ Object 



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# File 'lib/belts_engine/components/transform.rb', line 15

def right
  matrix = to_matrix
  Vec3[matrix[0, 0], matrix[1, 0], matrix[2, 0]]
end

#to_matrix ⇒ Object 



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# File 'lib/belts_engine/components/transform.rb', line 4

def to_matrix
  Mat4.translation(*position) *
    Mat4.rotation(*rotation) *
    Mat4.scale(*scale)
end

#up ⇒ Object 



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# File 'lib/belts_engine/components/transform.rb', line 20

def up
  matrix = to_matrix
  Vec3[matrix[0, 1], matrix[1, 1], matrix[2, 1]]
end