mirror of
https://github.com/dolphin-emu/dolphin.git
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516a14150a
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@2207 8ced0084-cf51-0410-be5f-012b33b47a6e
102 lines
No EOL
2.9 KiB
C++
102 lines
No EOL
2.9 KiB
C++
// Copyright (C) 2003-2008 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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//////////////////////////////////////////////////////////////////////////////////////////
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// Includes
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// ¯¯¯¯¯¯¯¯¯¯¯¯¯
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#include <vector>
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#include <string>
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#include "../../../Core/InputCommon/Src/SDL.h" // Core
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#include "../../../Core/InputCommon/Src/XInput.h"
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#include "Common.h" // Common
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#include "StringUtil.h" // for ArrayToString()
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#include "IniFile.h"
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#include "pluginspecs_wiimote.h"
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#include "EmuDefinitions.h" // Local
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#include "main.h"
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#include "wiimote_hid.h"
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#include "EmuSubroutines.h"
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#include "EmuMain.h"
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#include "Encryption.h" // for extension encryption
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#include "Logging.h" // for startConsoleWin, Console::Print, GetConsoleHwnd
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#include "Config.h" // for g_Config
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////////////////////////////////////
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namespace WiiMoteEmu
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{
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void PitchDegreeToAccelerometer(float _Degree, u8 &_y, u8 &_z)
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{
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// Calculate the radian
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float d_rad = _Degree * M_PI / 180.0;
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// Calculate a good set of y and z values for the degree
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float r = 1.0;
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float fy = r * sin(d_rad); // y
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float fz = r * cos(d_rad); // x
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// Multiple with the neutral of z and its g
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float yg = g_accel.cal_g.y;
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float zg = g_accel.cal_g.z;
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float y_zero = g_accel.cal_zero.y;
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float z_zero = g_accel.cal_zero.z;
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fy = (int) (y_zero + yg * fy);
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fz = (int) (z_zero + zg * fz);
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// Boundaries
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int iy = (int)fy;
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int iz = (int)fz;
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if (iy < 0) iy = 0;
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if (iy > 255) iy = 255;
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_y = iy;
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_z = iz;
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}
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int PitchAccelerometerToDegree(u8 _y, u8 _z)
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{
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/* find out how much it has to move to be 1g */
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float yg = (float)g_accel.cal_g.y;
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float zg = (float)g_accel.cal_g.z;
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float d = 0;
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/* find out how much it actually moved and normalize to +/- 1g */
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float y = ((float)_y - (float)g_accel.cal_zero.y) / yg;
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float z = ((float)_z - (float)g_accel.cal_zero.z) / zg;
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/* make sure x,y,z are between -1 and 1 for the tan function */
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if (y < -1.0) y = -1.0;
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else if (y > 1.0) y = 1.0;
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if (z < -1.0) z = -1.0;
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else if (z > 1.0) z = 1.0;
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//if (abs(_y - g_accel.cal_zero.y) <= g_accel.cal_g.y)
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{
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// Calculate the radian
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d = atan2(y, z);
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// Calculate the degree
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d = (d * 180.0) / M_PI;
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}
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return (int)d;
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}
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} |