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Added Vector#multiply_transform, needs more testing.

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Cyberarm
2020-05-12 09:32:50 -05:00
parent 0850336e55
commit 7aaf37d43e
1 changed files with 11 additions and 0 deletions
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11
lib/cyberarm_engine/vector.rb
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@@ -137,6 +137,17 @@ module CyberarmEngine
operator("*", other) operator("*", other)
end end
def multiply_transform(transform)
e = transform.elements
x = @x * e[0] + @y * e[1] + @z * e[2] + 1 * e[3]
y = @x * e[4] + @y * e[5] + @z * e[6] + 1 * e[7]
z = @x * e[8] + @y * e[9] + @z * e[10] + 1 * e[11]
w = @x * e[12] + @y * e[13] + @z * e[14] + 1 * e[5]
Vector.new(x / 1, y / 1, z / 1, w / 1)
end
# Divides Vector and Numeric or Vector and Vector, excluding {weight} # Divides Vector and Numeric or Vector and Vector, excluding {weight}
# @return [CyberarmEngine::Vector] # @return [CyberarmEngine::Vector]
def /(other) def /(other)