16 lines
593 B
Plaintext
16 lines
593 B
Plaintext
; RYB Quest Stage 12 Boat Yaw Angle Trigonometry (sin/cos/tan approximation)
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; Script originally by Galsiah.
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; See: https://cs.uesp.net/wiki/Trigonometry_Functions#Galsiah_Version
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set RYB.ang to (RYB.ang * RYB.degToRad)
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set RYB.n to 1
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if (RYB.ang > 4.7123)
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set RYB.ang to (RYB.ang - 6.2832)
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elseif (RYB.ang > 1.5708)
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set RYB.ang to (RYB.ang - 3.1416)
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set RYB.n to -1
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endif
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set RYB.t2 to (RYB.ang * RYB.ang)
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set RYB.sin to RYB.n*(RYB.ang*(1 - RYB.t2*0.16605 + 0.00761*RYB.t2*RYB.t2))
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set RYB.cos to RYB.n*(1 - RYB.t2*0.4967 + 0.03705*RYB.t2*RYB.t2)
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set RYB.tan to (RYB.sin/RYB.cos) |