231 lines
13 KiB
C
231 lines
13 KiB
C
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#ifndef CGE_MATH_H
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#define CGE_MATH_H
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#include <stddef.h>
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void CgeBox2fUnion(const float aMin[2], const float aMax[2],
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const float bMin[2], const float bMax[2],
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float outMin[2], float outMax[2]);
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int CgeBox2fIntersect(const float aMin[2], const float aMax[2],
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const float bMin[2], const float bMax[2],
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float outMin[2], float outMax[2]);
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int CgeBox2fContains(const float aMin[2], const float aMax[2],
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const float point[2]);
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int CgeBox2fEnclose(const float *points, size_t size, float outMin[2],
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float outMax[2]);
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void CgeBox3fUnion(const float aMin[3], const float aMax[3],
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const float bMin[3], const float bMax[3],
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float outMin[3], float outMax[3]);
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int CgeBox3fIntersect(const float aMin[3], const float aMax[3],
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const float bMin[3], const float bMax[3],
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float outMin[3], float outMax[3]);
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int CgeBox3fContains(const float aMin[3], const float aMax[3],
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const float point[3]);
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int CgeBox3fEnclose(const float *points, size_t size, float outMin[3],
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float outMax[3]);
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int CgeLineFromPoints(const float a[2], const float b[2], float out[3]);
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float CgeLineDistance(const float line[3], const float point[2]);
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void CgeLineClosestPoint(const float line[3], const float point[2],
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float out[2]);
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void CgeMat3fIdentity(float out[9]);
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void CgeMat3fAdd(const float a[9], const float b[9], float out[9]);
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void CgeMat3fSub(const float a[9], const float b[9], float out[9]);
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void CgeMat3fMul(const float a[9], const float b[9], float out[9]);
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void CgeMat3fScale(const float a[9], float b, float out[9]);
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void CgeMat3fTranspose(const float in[9], float out[9]);
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float CgeMat3fTrace(const float in[9]);
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float CgeMat3fDet(const float in[9]);
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int CgeMat3fInverse(const float in[9], float out[9]);
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void CgeMat3fFromScale(float x, float y, float out[9]);
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void CgeMat3fFromTranslation(float x, float y, float out[9]);
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void CgeMat3fFromRotation(float angle, float out[9]);
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void CgeMat3fApplyVec3f(float a[9], float b[3], float out[3]);
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void CgeMat3fApplyVec2f(float a[9], float b[2], float out[2]);
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void CgeMat4fIdentity(float out[16]);
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void CgeMat4fAdd(const float a[16], const float b[16], float out[16]);
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void CgeMat4fSub(const float a[16], const float b[16], float out[16]);
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void CgeMat4fMul(const float a[16], const float b[16], float out[16]);
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void CgeMat4fScale(const float a[16], float b, float out[16]);
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void CgeMat4fTranspose(const float in[16], float out[16]);
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float CgeMat4fTrace(const float in[16]);
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float CgeMat4fDet(const float in[16]);
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int CgeMat4fInverse(const float in[16], float out[16]);
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void CgeMat4fFromScale(float x, float y, float z, float out[16]);
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void CgeMat4fFromTranslation(float x, float y, float z, float out[16]);
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void CgeMat4fFromRotationX(float angle, float out[16]);
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void CgeMat4fFromRotationY(float angle, float out[16]);
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void CgeMat4fFromRotationZ(float angle, float out[16]);
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void CgeMat4fFromAxis(const float axis[3], float angle, float out[16]);
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void CgeMat4fFromEuler(float roll, float pitch, float yaw, float out[16]);
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void CgeMat4fFromQuat4f(const float in[4], float out[16]);
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void CgeMat4fFromOrtho(float xMin, float xMax, float yMin, float yMax,
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float zMin, float zMax, float out[16]);
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void CgeMat4fFromFrustum(float fov, float aspect, float zMin, float zMax,
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float out[16]);
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void CgeMat4fFromLookAt(const float position[3], const float at[3],
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const float up[3], float out[16]);
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void CgeMat4fApplyVec4f(const float a[16], const float b[4], float out[4]);
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void CgeMat4fApplyVec3f(const float a[16], const float b[3], float out[3]);
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float CgeLerpf(float a, float b, float t);
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void CgeTriangle3fBarycentric(const float a[3], const float b[3],
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const float c[3], const float point[3],
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float out[3]);
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int CgePlaneFromPoints(const float a[3], const float b[3], const float c[3],
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float out[4]);
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float CgePlaneDistance(const float plane[4], const float point[3]);
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void CgePlaneClosestPoint(const float plane[4], const float point[3],
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float out[3]);
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#define CgeQuat4fAdd(a, b, out) CgeVec4fAdd(a, b, out)
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#define CgeQuat4fSub(a, b, out) CgeVec4fSub(a, b, out)
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#define CgeQuat4fScale(a, b, out) CgeVec4fScale(a, b, out)
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#define CgeQuat4fNegate(in, out) CgeVec4fNegate(in, out)
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#define CgeQuat4fDot(a, b) CgeVec4fDot(a, b)
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#define CgeQuat4fLength(in) CgeVec4fLength(in)
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#define CgeQuat4fNormal(in, out) CgeVec4fNormal(in, out)
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#define CgeQuat4fLerp(a, b, t, out) CgeVec4fLerp(a, b, t, out)
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void CgeQuat4fIdentity(float out[4]);
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void CgeQuat4fConjugate(const float in[4],float out[4]);
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void CgeQuat4fInverse(const float in[4], float out[4]);
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void CgeQuat4fMul(const float a[4], const float b[4], float out[4]);
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void CgeQuat4fSlerp(const float a[4], const float b[4], float t, float out[4]);
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void CgeQuat4fFromEuler(float roll, float pitch, float yaw, float out[4]);
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void CgeQuat4fFromAxis(const float axis[3], float angle, float out[4]);
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void CgeQuat4fToEuler(const float in[4], float *roll, float *pitch, float *yaw);
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void CgeQuat4fToAxis(const float in[4], float axis[3], float *angle);
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void CgeQuat4fToMat4f(const float in[4], float out[16]);
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int CgeRay2fIntersectLine(const float start[2], const float direction[2],
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const float line[3], float *t, float out[2]);
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int CgeRay2fIntersectTime(const float aStart[2], const float aDirection[2],
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const float bStart[2], const float bDirection[2],
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float *time1, float *time2);
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int CgeRay2fIntersectRay(const float aStart[2], const float aDirection[2],
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const float bStart[2], const float bDirection[2],
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float *t, float out[2]);
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int CgeRay2fIntersectSegment(const float aStart[2], const float aDirection[2],
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const float bStart[2], const float bEnd[2],
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float *t, float out[2]);
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int CgeSegment2fIntersectLine(const float start[2], const float end[2],
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const float line[3], float *t, float out[2]);
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int CgeSegment2fIntersectSegment(const float aStart[2], const float aEnd[2],
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const float bStart[2], const float bEnd[2],
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float *t, float out[2]);
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int CgeRay2fIntersectBox2f(const float aStart[2], const float aDirection[2],
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const float bMin[2], const float bMax[2],
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float *t, float out[2]);
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int CgeSegment2fIntersectBox2f(const float aStart[2], const float aEnd[2],
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const float bMin[2], const float bMax[2],
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float *t, float out[2]);
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int CgeRay3fIntersectPlane(const float start[3], const float direction[3],
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const float plane[4], float *t, float out[3]);
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int CgeRay3fIntersectTriangle(const float start[3], const float direction[3],
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const float a[3], const float b[3],
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const float c[3], float *t, float out[3]);
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int CgeSegment3fIntersectPlane(const float start[3], const float end[3],
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const float plane[4], float *t, float out[3]);
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int CgeSegment3fIntersectTriangle(const float start[3], const float end[3],
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const float a[3], const float b[3],
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const float c[3], float *t, float out[3]);
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int CgeRay3fIntersectBox3f(const float aStart[3], const float aDirection[3],
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const float bMin[3], const float bMax[3],
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float *t, float out[3]);
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int CgeSegment3fIntersectBox3f(const float aStart[3], const float aEnd[3],
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const float bMin[3], const float bMax[3],
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float *t, float out[3]);
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void CgeVec2fAdd(const float a[2], const float b[2], float out[2]);
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void CgeVec2fSub(const float a[2], const float b[2], float out[2]);
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void CgeVec2fMul(const float a[2], const float b[2], float out[2]);
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void CgeVec2fScale(const float a[2], float b, float out[2]);
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void CgeVec2fMulAdd(const float a[2], const float b[2], const float c[2],
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float out[2]);
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void CgeVec2fNegate(const float in[2], float out[2]);
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float CgeVec2fDot(const float a[2], const float b[2]);
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float CgeVec2fCross(const float a[2], const float b[2]);
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float CgeVec2fLength(const float in[2]);
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void CgeVec2fNormal(const float in[2], float out[2]);
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float CgeVec2fNormalEx(const float in[2], float out[2]);
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void CgeVec2fMin(const float a[2], const float b[2], float out[2]);
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void CgeVec2fMax(const float a[2], const float b[2], float out[2]);
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void CgeVec2fLerp(const float a[2], const float b[2], float t, float out[2]);
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void CgeVec2fProject(const float a[2], const float b[2], float out[2]);
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void CgeVec2fBarycentric(const float a[2], const float b[2], const float c[2],
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float v, float w, float out[2]);
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void CgeVec2iAdd(const int a[2], const int b[2], int out[2]);
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void CgeVec2iSub(const int a[2], const int b[2], int out[2]);
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void CgeVec2iMul(const int a[2], const int b[2], int out[2]);
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void CgeVec2iScale(const int a[2], int b, int out[2]);
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void CgeVec2iMulAdd(const int a[2], const int b[2], const int c[2], int out[2]);
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void CgeVec2iNegate(const int in[2], int out[2]);
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void CgeVec2iMin(const int a[2], const int b[2], int out[2]);
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void CgeVec2iMax(const int a[2], const int b[2], int out[2]);
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void CgeVec3fAdd(const float a[3], const float b[3], float out[3]);
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void CgeVec3fSub(const float a[3], const float b[3], float out[3]);
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void CgeVec3fMul(const float a[3], const float b[3], float out[3]);
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void CgeVec3fScale(const float a[3], float b, float out[3]);
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void CgeVec3fMulAdd(const float a[3], const float b[3], const float c[3],
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float out[3]);
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void CgeVec3fNegate(const float in[3], float out[3]);
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float CgeVec3fDot(const float a[3], const float b[3]);
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void CgeVec3fCross(const float a[3], const float b[3], float out[3]);
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float CgeVec3fLength(const float in[3]);
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void CgeVec3fNormal(const float in[3], float out[3]);
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float CgeVec3fNormalEx(const float in[3], float out[3]);
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void CgeVec3fMin(const float a[3], const float b[3], float out[3]);
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void CgeVec3fMax(const float a[3], const float b[3], float out[3]);
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void CgeVec3fLerp(const float a[3], const float b[3], float t, float out[3]);
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void CgeVec3fProject(const float a[3], const float b[3], float out[3]);
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void CgeVec3fBarycentric(const float a[3], const float b[3], const float c[3],
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float v, float w, float out[3]);
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void CgeVec3iAdd(const int a[3], const int b[3], int out[3]);
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void CgeVec3iSub(const int a[3], const int b[3], int out[3]);
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void CgeVec3iMul(const int a[3], const int b[3], int out[3]);
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void CgeVec3iScale(const int a[3], int b, int out[3]);
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void CgeVec3iMulAdd(const int a[3], const int b[3], const int c[3], int out[3]);
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void CgeVec3iNegate(const int in[3], int out[3]);
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void CgeVec3iMin(const int a[3], const int b[3], int out[3]);
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void CgeVec3iMax(const int a[3], const int b[3], int out[3]);
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void CgeVec4fAdd(const float a[4], const float b[4], float out[4]);
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void CgeVec4fSub(const float a[4], const float b[4], float out[4]);
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void CgeVec4fMul(const float a[4], const float b[4], float out[4]);
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void CgeVec4fScale(const float a[4], float b, float out[4]);
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void CgeVec4fMulAdd(const float a[4], const float b[4], const float c[4],
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float out[4]);
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void CgeVec4fNegate(const float in[4], float out[4]);
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float CgeVec4fDot(const float a[4], const float b[4]);
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float CgeVec4fLength(const float in[4]);
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void CgeVec4fNormal(const float in[4], float out[4]);
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float CgeVec4fNormalEx(const float in[4], float out[4]);
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void CgeVec4fMin(const float a[4], const float b[4], float out[4]);
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void CgeVec4fMax(const float a[4], const float b[4], float out[4]);
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void CgeVec4fLerp(const float a[4], const float b[4], float t, float out[4]);
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void CgeVec4fProject(const float a[4], const float b[4], float out[4]);
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void CgeVec4fBarycentric(const float a[4], const float b[4], const float c[4],
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float v, float w, float out[4]);
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void CgeVec4iAdd(const int a[4], const int b[4], int out[4]);
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void CgeVec4iSub(const int a[4], const int b[4], int out[4]);
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void CgeVec4iMul(const int a[4], const int b[4], int out[4]);
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void CgeVec4iScale(const int a[4], int b, int out[4]);
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void CgeVec4iMulAdd(const int a[4], const int b[4], const int c[4], int out[4]);
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void CgeVec4iNegate(const int in[4], int out[4]);
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void CgeVec4iMin(const int a[4], const int b[4], int out[4]);
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void CgeVec4iMax(const int a[4], const int b[4], int out[4]);
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#endif /* CGE_MATH_H */
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