From 373dc625f82b47096893add42c4472e4a57ab7eb Mon Sep 17 00:00:00 2001 From: Aki Date: Wed, 9 Feb 2022 22:23:03 +0100 Subject: Moved third-party libraries to a separate subdirectory --- Opcode/Ice/IceRay.cpp | 84 --------------------------------------------------- 1 file changed, 84 deletions(-) delete mode 100644 Opcode/Ice/IceRay.cpp (limited to 'Opcode/Ice/IceRay.cpp') diff --git a/Opcode/Ice/IceRay.cpp b/Opcode/Ice/IceRay.cpp deleted file mode 100644 index d7c617a..0000000 --- a/Opcode/Ice/IceRay.cpp +++ /dev/null @@ -1,84 +0,0 @@ -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -/** - * Contains code for rays. - * \file IceRay.cpp - * \author Pierre Terdiman - * \date April, 4, 2000 - */ -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -/** - * Ray class. - * A ray is a half-line P(t) = mOrig + mDir * t, with 0 <= t <= +infinity - * \class Ray - * \author Pierre Terdiman - * \version 1.0 - */ -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// - -/* - O = Origin = impact IcePoint - i = normalized vector along the x axis - j = normalized vector along the y axis = actually the normal vector in O - D = Direction vector, norm |D| = 1 - N = Projection of D on y axis, norm |N| = normal reaction - T = Projection of D on x axis, norm |T| = tangential reaction - R = Reflexion vector - - ^y - | - | - | - _ _ _| _ _ _ - * * *| - \ | / - \ |N / | - R\ | /D - \ | / | - \ | / - _________\|/______*_______>x - O T - - Let define theta = angle between D and N. Then cos(theta) = |N| / |D| = |N| since D is normalized. - - j|D = |j|*|D|*cos(theta) => |N| = j|D - - Then we simply have: - - D = N + T - - To compute tangential reaction : - - T = D - N - - To compute reflexion vector : - - R = N - T = N - (D-N) = 2*N - D -*/ - -/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// -// Precompiled Header -#include "StdAfx.h" - -using namespace IceMaths; - -float Ray::SquareDistance(const IcePoint& Point, float* t) const -{ - IcePoint Diff = Point - mOrig; - float fT = Diff | mDir; - - if(fT<=0.0f) - { - fT = 0.0f; - } - else - { - fT /= mDir.SquareMagnitude(); - Diff -= fT*mDir; - } - - if(t) *t = fT; - - return Diff.SquareMagnitude(); -} -- cgit v1.1