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Implemented workaround for broken KRQuaternion::RotationMatrix

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Added KRFloat
This commit is contained in:
Kearwood Gilbert
2013-05-03 17:38:42 -07:00
parent 616aa4aeef
commit e611fe2336
4 changed files with 53 additions and 1 deletions
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12
KREngine/Kraken.xcodeproj/project.pbxproj
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@@ -148,6 +148,10 @@
E48C697015374F5B00232E28 /* KRContext.h in Headers */ = {isa = PBXBuildFile; fileRef = E48C696E15374F5A00232E28 /* KRContext.h */; settings = {ATTRIBUTES = (Public, ); }; };
E48C697215374F7E00232E28 /* KRContext.cpp in Sources */ = {isa = PBXBuildFile; fileRef = E48C697115374F7E00232E28 /* KRContext.cpp */; };
E48C697315374F7E00232E28 /* KRContext.cpp in Sources */ = {isa = PBXBuildFile; fileRef = E48C697115374F7E00232E28 /* KRContext.cpp */; };
E48CF942173453990005EBBB /* KRFloat.cpp in Sources */ = {isa = PBXBuildFile; fileRef = E48CF940173453990005EBBB /* KRFloat.cpp */; };
E48CF943173453990005EBBB /* KRFloat.cpp in Sources */ = {isa = PBXBuildFile; fileRef = E48CF940173453990005EBBB /* KRFloat.cpp */; };
E48CF944173453990005EBBB /* KRFloat.h in Headers */ = {isa = PBXBuildFile; fileRef = E48CF941173453990005EBBB /* KRFloat.h */; };
E48CF945173453990005EBBB /* KRFloat.h in Headers */ = {isa = PBXBuildFile; fileRef = E48CF941173453990005EBBB /* KRFloat.h */; };
E491018713C99BDC0098455B /* KREngine.mm in Sources */ = {isa = PBXBuildFile; fileRef = E491016F13C99BDC0098455B /* KREngine.mm */; };
E491018A13C99BDC0098455B /* KREngine.h in Headers */ = {isa = PBXBuildFile; fileRef = E491017213C99BDC0098455B /* KREngine.h */; settings = {ATTRIBUTES = (Public, ); }; };
E491018E13C99BDC0098455B /* KRMat4.h in Headers */ = {isa = PBXBuildFile; fileRef = E491017613C99BDC0098455B /* KRMat4.h */; settings = {ATTRIBUTES = (Public, ); }; };
@@ -455,6 +459,8 @@
E48B68141697794F00D99917 /* KRAudioSource.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; lineEnding = 0; path = KRAudioSource.h; sourceTree = "<group>"; xcLanguageSpecificationIdentifier = xcode.lang.objcpp; };
E48C696E15374F5A00232E28 /* KRContext.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; lineEnding = 0; path = KRContext.h; sourceTree = "<group>"; xcLanguageSpecificationIdentifier = xcode.lang.objcpp; };
E48C697115374F7E00232E28 /* KRContext.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; lineEnding = 0; path = KRContext.cpp; sourceTree = "<group>"; xcLanguageSpecificationIdentifier = xcode.lang.cpp; };
E48CF940173453990005EBBB /* KRFloat.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = KRFloat.cpp; sourceTree = "<group>"; };
E48CF941173453990005EBBB /* KRFloat.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = KRFloat.h; sourceTree = "<group>"; };
E491016113C99B9E0098455B /* libkraken.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = libkraken.a; sourceTree = BUILT_PRODUCTS_DIR; };
E491016413C99B9E0098455B /* Foundation.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Foundation.framework; path = System/Library/Frameworks/Foundation.framework; sourceTree = SDKROOT; };
E491016813C99B9E0098455B /* Kraken-Prefix.pch */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "Kraken-Prefix.pch"; sourceTree = "<group>"; };
@@ -792,6 +798,8 @@
E40BA45315EFF79500D7C3DD /* KRAABB.h */,
E4EC73BF1720B1FF0065299F /* KRVector4.cpp */,
E4EC73C01720B1FF0065299F /* KRVector4.h */,
E48CF940173453990005EBBB /* KRFloat.cpp */,
E48CF941173453990005EBBB /* KRFloat.h */,
);
name = Math;
sourceTree = "<group>";
@@ -1229,6 +1237,7 @@
E4FE6AA816B21D660058B8CE /* forsyth.h in Headers */,
E4AE635F1704FB0A00B460CD /* KRLODGroup.h in Headers */,
E4EC73C31720B1FF0065299F /* KRVector4.h in Headers */,
E48CF944173453990005EBBB /* KRFloat.h in Headers */,
);
runOnlyForDeploymentPostprocessing = 0;
};
@@ -1306,6 +1315,7 @@
E4AE63601704FB0A00B460CD /* KRLODGroup.h in Headers */,
E499BF1F16AE753E007FCDBE /* KRCollider.h in Headers */,
E499BF2316AE7636007FCDBE /* kraken-prefix.pch in Headers */,
E48CF945173453990005EBBB /* KRFloat.h in Headers */,
);
runOnlyForDeploymentPostprocessing = 0;
};
@@ -1569,6 +1579,7 @@
E450273916E0491D00FDEC5C /* KRReverbZone.cpp in Sources */,
E4AE635D1704FB0A00B460CD /* KRLODGroup.cpp in Sources */,
E4EC73C11720B1FF0065299F /* KRVector4.cpp in Sources */,
E48CF942173453990005EBBB /* KRFloat.cpp in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
};
@@ -1643,6 +1654,7 @@
E450273A16E0491D00FDEC5C /* KRReverbZone.cpp in Sources */,
E4AE635E1704FB0A00B460CD /* KRLODGroup.cpp in Sources */,
E4EC73C21720B1FF0065299F /* KRVector4.cpp in Sources */,
E48CF943173453990005EBBB /* KRFloat.cpp in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
};

15
KREngine/kraken/KRFloat.cpp Normal file
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@@ -0,0 +1,15 @@
//
// KRFloat.cpp
// Kraken
//
// Created by Kearwood Gilbert on 2013-05-03.
// Copyright (c) 2013 Kearwood Software. All rights reserved.
//
#include "KRFloat.h"
float KRFloat::SmoothStep(float a, float b, float t)
{
float d = (3.0 * t * t - 2.0 * t * t * t);
return a * (1.0f - d) + b * d;
}

16
KREngine/kraken/KRFloat.h Normal file
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@@ -0,0 +1,16 @@
//
// KRFloat.h
// Kraken
//
// Created by Kearwood Gilbert on 2013-05-03.
// Copyright (c) 2013 Kearwood Software. All rights reserved.
//
#ifndef KRFLOAT_H
#define KRFLOAT_H
namespace KRFloat {
float SmoothStep(float a, float b, float t);
};
#endif /* defined(KRFLOAT_H) */

11
KREngine/kraken/KRQuaternion.cpp
View File

@@ -270,8 +270,16 @@ void KRQuaternion::conjugate() {
}
KRMat4 KRQuaternion::rotationMatrix() const {
KRMat4 matRotate;
KRVector3 euler = eulerXYZ();
KRMat4 matRotate;
matRotate.rotate(euler.x, X_AXIS);
matRotate.rotate(euler.y, Y_AXIS);
matRotate.rotate(euler.z, Z_AXIS);
// FINDME - Determine why the more optimal routine commented below wasn't working
/*
matRotate.getPointer()[0] = 1.0 - 2.0 * (m_val[2] * m_val[2] + m_val[3] * m_val[3]);
matRotate.getPointer()[1] = 2.0 * (m_val[1] * m_val[2] - m_val[0] * m_val[3]);
matRotate.getPointer()[2] = 2.0 * (m_val[0] * m_val[2] + m_val[1] * m_val[3]);
@@ -283,6 +291,7 @@ KRMat4 KRQuaternion::rotationMatrix() const {
matRotate.getPointer()[8] = 2.0 * (m_val[1] * m_val[3] - m_val[0] * m_val[2]);
matRotate.getPointer()[9] = 2.0 * (m_val[0] * m_val[1] + m_val[2] * m_val[3]);
matRotate.getPointer()[10] = 1.0 - 2.0 * (m_val[1] * m_val[1] + m_val[2] * m_val[2]);
*/
return matRotate;
}