diff options
Diffstat (limited to 'src/gui/math3d/qmatrix4x4.cpp')
| -rw-r--r-- | src/gui/math3d/qmatrix4x4.cpp | 374 |
1 files changed, 182 insertions, 192 deletions
diff --git a/src/gui/math3d/qmatrix4x4.cpp b/src/gui/math3d/qmatrix4x4.cpp index bcb3066..c2873e0 100644 --- a/src/gui/math3d/qmatrix4x4.cpp +++ b/src/gui/math3d/qmatrix4x4.cpp @@ -40,7 +40,6 @@ ****************************************************************************/ #include "qmatrix4x4.h" -#include "qmath3dutil_p.h" #include <QtCore/qmath.h> #include <QtGui/qmatrix.h> #include <QtGui/qtransform.h> @@ -106,7 +105,7 @@ QMatrix4x4::QMatrix4x4(const qreal *values) #if !defined(QT_NO_MEMBER_TEMPLATES) || defined(Q_QDOC) /*! - \fn QMatrix4x4::QMatrix4x4(const QGenericMatrix<N, M, qreal, qrealinner>& matrix) + \fn QMatrix4x4::QMatrix4x4(const QGenericMatrix<N, M, qreal, float>& matrix) Constructs a 4x4 matrix from the left-most 4 columns and top-most 4 rows of \a matrix. If \a matrix has less than 4 columns or rows, @@ -117,7 +116,7 @@ QMatrix4x4::QMatrix4x4(const qreal *values) */ /*! - \fn QGenericMatrix<N, M, qreal, qrealinner> QMatrix4x4::toGenericMatrix() const + \fn QGenericMatrix<N, M, qreal, float> QMatrix4x4::toGenericMatrix() const Constructs a NxM generic matrix from the left-most N columns and top-most M rows of this 4x4 matrix. If N or M is greater than 4, @@ -130,7 +129,7 @@ QMatrix4x4::QMatrix4x4(const qreal *values) #endif /*! - \fn QMatrix4x4 qGenericMatrixToMatrix4x4(const QGenericMatrix<N, M, qreal, qrealinner>& matrix) + \fn QMatrix4x4 qGenericMatrixToMatrix4x4(const QGenericMatrix<N, M, qreal, float>& matrix) \relates QMatrix4x4 Returns a 4x4 matrix constructed from the left-most 4 columns and @@ -142,7 +141,7 @@ QMatrix4x4::QMatrix4x4(const qreal *values) */ /*! - \fn QGenericMatrix<N, M, qreal, qrealinner> qGenericMatrixFromMatrix4x4(const QMatrix4x4& matrix) + \fn QGenericMatrix<N, M, qreal, float> qGenericMatrixFromMatrix4x4(const QMatrix4x4& matrix) \relates QMatrix4x4 Returns a NxM generic matrix constructed from the left-most N columns @@ -156,7 +155,7 @@ QMatrix4x4::QMatrix4x4(const qreal *values) /*! \internal */ -QMatrix4x4::QMatrix4x4(const qrealinner *values, int cols, int rows) +QMatrix4x4::QMatrix4x4(const float *values, int cols, int rows) { for (int col = 0; col < 4; ++col) { for (int row = 0; row < 4; ++row) { @@ -244,7 +243,7 @@ QMatrix4x4::QMatrix4x4(const QTransform& transform) */ /*! - \fn qrealinner& QMatrix4x4::operator()(int row, int column) + \fn float& QMatrix4x4::operator()(int row, int column) Returns a reference to the element at position (\a row, \a column) in this matrix so that the element can be assigned to. @@ -316,8 +315,8 @@ QMatrix4x4::QMatrix4x4(const QTransform& transform) // | A B C | // M = | D E F | det(M) = A * (EI - HF) - B * (DI - GF) + C * (DH - GE) // | G H I | -static inline qrealinner matrixDet3 - (const qrealinner m[4][4], int col0, int col1, int col2, +static inline float matrixDet3 + (const float m[4][4], int col0, int col1, int col2, int row0, int row1, int row2) { return m[col0][row0] * @@ -332,9 +331,9 @@ static inline qrealinner matrixDet3 } // Calculate the determinant of a 4x4 matrix. -static inline qrealinner matrixDet4(const qrealinner m[4][4]) +static inline float matrixDet4(const float m[4][4]) { - qrealinner det; + float det; det = m[0][0] * matrixDet3(m, 1, 2, 3, 1, 2, 3); det -= m[1][0] * matrixDet3(m, 0, 2, 3, 1, 2, 3); det += m[2][0] * matrixDet3(m, 0, 1, 3, 1, 2, 3); @@ -347,7 +346,7 @@ static inline qrealinner matrixDet4(const qrealinner m[4][4]) */ qreal QMatrix4x4::determinant() const { - return qt_math3d_convert<qreal, qrealinner>(matrixDet4(m)); + return qreal(matrixDet4(m)); } /*! @@ -386,13 +385,13 @@ QMatrix4x4 QMatrix4x4::inverted(bool *invertible) const QMatrix4x4 inv(1); // The "1" says to not load the identity. - qrealinner det = matrixDet4(m); + float det = matrixDet4(m); if (det == 0.0f) { if (invertible) *invertible = false; return QMatrix4x4(); } - det = qrealinner(1.0f) / det; + det = 1.0f / det; inv.m[0][0] = matrixDet3(m, 1, 2, 3, 1, 2, 3) * det; inv.m[0][1] = -matrixDet3(m, 0, 2, 3, 1, 2, 3) * det; @@ -434,18 +433,18 @@ QMatrix3x3 QMatrix4x4::normalMatrix() const } else if (flagBits == Scale || flagBits == (Translation | Scale)) { if (m[0][0] == 0.0f || m[1][1] == 0.0f || m[2][2] == 0.0f) return inv; - inv.data()[0] = qrealinner(1.0f) / m[0][0]; - inv.data()[4] = qrealinner(1.0f) / m[1][1]; - inv.data()[8] = qrealinner(1.0f) / m[2][2]; + inv.data()[0] = 1.0f / m[0][0]; + inv.data()[4] = 1.0f / m[1][1]; + inv.data()[8] = 1.0f / m[2][2]; return inv; } - qrealinner det = matrixDet3(m, 0, 1, 2, 0, 1, 2); + float det = matrixDet3(m, 0, 1, 2, 0, 1, 2); if (det == 0.0f) return inv; - det = qrealinner(1.0f) / det; + det = 1.0f / det; - qrealinner *invm = inv.data(); + float *invm = inv.data(); // Invert and transpose in a single step. invm[0 + 0 * 3] = (m[1][1] * m[2][2] - m[2][1] * m[1][2]) * det; @@ -507,23 +506,22 @@ QMatrix4x4 QMatrix4x4::transposed() const */ QMatrix4x4& QMatrix4x4::operator/=(qreal divisor) { - qrealinner d(divisor); - m[0][0] /= d; - m[0][1] /= d; - m[0][2] /= d; - m[0][3] /= d; - m[1][0] /= d; - m[1][1] /= d; - m[1][2] /= d; - m[1][3] /= d; - m[2][0] /= d; - m[2][1] /= d; - m[2][2] /= d; - m[2][3] /= d; - m[3][0] /= d; - m[3][1] /= d; - m[3][2] /= d; - m[3][3] /= d; + m[0][0] /= divisor; + m[0][1] /= divisor; + m[0][2] /= divisor; + m[0][3] /= divisor; + m[1][0] /= divisor; + m[1][1] /= divisor; + m[1][2] /= divisor; + m[1][3] /= divisor; + m[2][0] /= divisor; + m[2][1] /= divisor; + m[2][2] /= divisor; + m[2][3] /= divisor; + m[3][0] /= divisor; + m[3][1] /= divisor; + m[3][2] /= divisor; + m[3][3] /= divisor; flagBits = General; return *this; } @@ -665,23 +663,22 @@ QMatrix4x4& QMatrix4x4::operator/=(qreal divisor) QMatrix4x4 operator/(const QMatrix4x4& matrix, qreal divisor) { QMatrix4x4 m(1); // The "1" says to not load the identity. - qrealinner d(divisor); - m.m[0][0] = matrix.m[0][0] / d; - m.m[0][1] = matrix.m[0][1] / d; - m.m[0][2] = matrix.m[0][2] / d; - m.m[0][3] = matrix.m[0][3] / d; - m.m[1][0] = matrix.m[1][0] / d; - m.m[1][1] = matrix.m[1][1] / d; - m.m[1][2] = matrix.m[1][2] / d; - m.m[1][3] = matrix.m[1][3] / d; - m.m[2][0] = matrix.m[2][0] / d; - m.m[2][1] = matrix.m[2][1] / d; - m.m[2][2] = matrix.m[2][2] / d; - m.m[2][3] = matrix.m[2][3] / d; - m.m[3][0] = matrix.m[3][0] / d; - m.m[3][1] = matrix.m[3][1] / d; - m.m[3][2] = matrix.m[3][2] / d; - m.m[3][3] = matrix.m[3][3] / d; + m.m[0][0] = matrix.m[0][0] / divisor; + m.m[0][1] = matrix.m[0][1] / divisor; + m.m[0][2] = matrix.m[0][2] / divisor; + m.m[0][3] = matrix.m[0][3] / divisor; + m.m[1][0] = matrix.m[1][0] / divisor; + m.m[1][1] = matrix.m[1][1] / divisor; + m.m[1][2] = matrix.m[1][2] / divisor; + m.m[1][3] = matrix.m[1][3] / divisor; + m.m[2][0] = matrix.m[2][0] / divisor; + m.m[2][1] = matrix.m[2][1] / divisor; + m.m[2][2] = matrix.m[2][2] / divisor; + m.m[2][3] = matrix.m[2][3] / divisor; + m.m[3][0] = matrix.m[3][0] / divisor; + m.m[3][1] = matrix.m[3][1] / divisor; + m.m[3][2] = matrix.m[3][2] / divisor; + m.m[3][3] = matrix.m[3][3] / divisor; return m; } @@ -703,9 +700,9 @@ QMatrix4x4 operator/(const QMatrix4x4& matrix, qreal divisor) */ QMatrix4x4& QMatrix4x4::scale(const QVector3D& vector) { - qrealinner vx = vector.xp; - qrealinner vy = vector.yp; - qrealinner vz = vector.zp; + float vx = vector.xp; + float vy = vector.yp; + float vz = vector.zp; if (flagBits == Identity) { m[0][0] = vx; m[1][1] = vy; @@ -749,9 +746,9 @@ QMatrix4x4& QMatrix4x4::scale(const QVector3D& vector) */ QMatrix4x4& QMatrix4x4::scale(qreal x, qreal y, qreal z) { - qrealinner vx(x); - qrealinner vy(y); - qrealinner vz(z); + float vx(x); + float vy(y); + float vz(z); if (flagBits == Identity) { m[0][0] = vx; m[1][1] = vy; @@ -794,34 +791,33 @@ QMatrix4x4& QMatrix4x4::scale(qreal x, qreal y, qreal z) */ QMatrix4x4& QMatrix4x4::scale(qreal factor) { - qrealinner f(factor); if (flagBits == Identity) { - m[0][0] = f; - m[1][1] = f; - m[2][2] = f; + m[0][0] = factor; + m[1][1] = factor; + m[2][2] = factor; flagBits = Scale; } else if (flagBits == Scale || flagBits == (Scale | Translation)) { - m[0][0] *= f; - m[1][1] *= f; - m[2][2] *= f; + m[0][0] *= factor; + m[1][1] *= factor; + m[2][2] *= factor; } else if (flagBits == Translation) { - m[0][0] = f; - m[1][1] = f; - m[2][2] = f; + m[0][0] = factor; + m[1][1] = factor; + m[2][2] = factor; flagBits |= Scale; } else { - m[0][0] *= f; - m[0][1] *= f; - m[0][2] *= f; - m[0][3] *= f; - m[1][0] *= f; - m[1][1] *= f; - m[1][2] *= f; - m[1][3] *= f; - m[2][0] *= f; - m[2][1] *= f; - m[2][2] *= f; - m[2][3] *= f; + m[0][0] *= factor; + m[0][1] *= factor; + m[0][2] *= factor; + m[0][3] *= factor; + m[1][0] *= factor; + m[1][1] *= factor; + m[1][2] *= factor; + m[1][3] *= factor; + m[2][0] *= factor; + m[2][1] *= factor; + m[2][2] *= factor; + m[2][3] *= factor; flagBits = General; } return *this; @@ -836,9 +832,9 @@ QMatrix4x4& QMatrix4x4::scale(qreal factor) */ QMatrix4x4& QMatrix4x4::translate(const QVector3D& vector) { - qrealinner vx = vector.xp; - qrealinner vy = vector.yp; - qrealinner vz = vector.zp; + float vx = vector.xp; + float vy = vector.yp; + float vz = vector.zp; if (flagBits == Identity) { m[3][0] = vx; m[3][1] = vy; @@ -882,9 +878,9 @@ QMatrix4x4& QMatrix4x4::translate(const QVector3D& vector) */ QMatrix4x4& QMatrix4x4::translate(qreal x, qreal y, qreal z) { - qrealinner vx(x); - qrealinner vy(y); - qrealinner vz(z); + float vx(x); + float vy(y); + float vz(z); if (flagBits == Identity) { m[3][0] = vx; m[3][1] = vy; @@ -931,6 +927,10 @@ QMatrix4x4& QMatrix4x4::rotate(qreal angle, const QVector3D& vector) #endif +#ifndef M_PI +#define M_PI 3.14159265358979323846 +#endif + /*! \overload @@ -942,8 +942,10 @@ QMatrix4x4& QMatrix4x4::rotate(qreal angle, const QVector3D& vector) QMatrix4x4& QMatrix4x4::rotate(qreal angle, qreal x, qreal y, qreal z) { QMatrix4x4 m(1); // The "1" says to not load the identity. - qrealinner c, s, ic; - qt_math3d_sincos(angle, &s, &c); + qreal a = angle * M_PI / 180.0f; + qreal c = qCos(a); + qreal s = qSin(a); + qreal ic; bool quick = false; if (x == 0.0f) { if (y == 0.0f) { @@ -993,27 +995,24 @@ QMatrix4x4& QMatrix4x4::rotate(qreal angle, qreal x, qreal y, qreal z) quick = true; } if (!quick) { - qrealinner vx(x); - qrealinner vy(y); - qrealinner vz(z); - qrealinner len(qvtsqrt(vx * vx + vy * vy + vz * vz)); + qreal len = qSqrt(x * x + y * y + z * z); if (len != 0) { - vx /= len; - vy /= len; - vz /= len; + x /= len; + y /= len; + z /= len; } ic = 1.0f - c; - m.m[0][0] = vx * vx * ic + c; - m.m[1][0] = vx * vy * ic - vz * s; - m.m[2][0] = vx * vz * ic + vy * s; + m.m[0][0] = x * x * ic + c; + m.m[1][0] = x * y * ic - z * s; + m.m[2][0] = x * z * ic + y * s; m.m[3][0] = 0.0f; - m.m[0][1] = vy * vx * ic + vz * s; - m.m[1][1] = vy * vy * ic + c; - m.m[2][1] = vy * vz * ic - vx * s; + m.m[0][1] = y * x * ic + z * s; + m.m[1][1] = y * y * ic + c; + m.m[2][1] = y * z * ic - x * s; m.m[3][1] = 0.0f; - m.m[0][2] = vx * vz * ic - vy * s; - m.m[1][2] = vy * vz * ic + vx * s; - m.m[2][2] = vz * vz * ic + c; + m.m[0][2] = x * z * ic - y * s; + m.m[1][2] = y * z * ic + x * s; + m.m[2][2] = z * z * ic + c; m.m[3][2] = 0.0f; m.m[0][3] = 0.0f; m.m[1][3] = 0.0f; @@ -1043,15 +1042,15 @@ QMatrix4x4& QMatrix4x4::rotate(const QQuaternion& quaternion) // Algorithm from: // http://www.j3d.org/matrix_faq/matrfaq_latest.html#Q54 QMatrix4x4 m(1); - qrealinner xx = quaternion.xp * quaternion.xp; - qrealinner xy = quaternion.xp * quaternion.yp; - qrealinner xz = quaternion.xp * quaternion.zp; - qrealinner xw = quaternion.xp * quaternion.wp; - qrealinner yy = quaternion.yp * quaternion.yp; - qrealinner yz = quaternion.yp * quaternion.zp; - qrealinner yw = quaternion.yp * quaternion.wp; - qrealinner zz = quaternion.zp * quaternion.zp; - qrealinner zw = quaternion.zp * quaternion.wp; + float xx = quaternion.xp * quaternion.xp; + float xy = quaternion.xp * quaternion.yp; + float xz = quaternion.xp * quaternion.zp; + float xw = quaternion.xp * quaternion.wp; + float yy = quaternion.yp * quaternion.yp; + float yz = quaternion.yp * quaternion.zp; + float yw = quaternion.yp * quaternion.wp; + float zz = quaternion.zp * quaternion.zp; + float zw = quaternion.zp * quaternion.wp; m.m[0][0] = 1.0f - 2 * (yy + zz); m.m[1][0] = 2 * (xy - zw); m.m[2][0] = 2 * (xz + yw); @@ -1137,33 +1136,33 @@ QMatrix4x4& QMatrix4x4::ortho(qreal left, qreal right, qreal bottom, qreal top, // which will be more efficient to modify with further // transformations than producing a "General" matrix. translate(QVector3D - (qf2vt_round(-(left + right) / width), - qf2vt_round(-(top + bottom) / invheight), + (-(left + right) / width, + -(top + bottom) / invheight, 0.0f, 1)); scale(QVector3D - (qf2vt_round(2.0f / width), - qf2vt_round(2.0f / invheight), + (2.0f / width, + 2.0f / invheight, -1.0f, 1)); return *this; } #endif QMatrix4x4 m(1); - m.m[0][0] = qf2vt_round(2.0f / width); - m.m[1][0] = qf2vt_round(0.0f); - m.m[2][0] = qf2vt_round(0.0f); - m.m[3][0] = qf2vt_round(-(left + right) / width); - m.m[0][1] = qf2vt_round(0.0f); - m.m[1][1] = qf2vt_round(2.0f / invheight); - m.m[2][1] = qf2vt_round(0.0f); - m.m[3][1] = qf2vt_round(-(top + bottom) / invheight); - m.m[0][2] = qf2vt_round(0.0f); - m.m[1][2] = qf2vt_round(0.0f); - m.m[2][2] = qf2vt_round(-2.0f / clip); - m.m[3][2] = qf2vt_round(-(nearPlane + farPlane) / clip); - m.m[0][3] = qf2vt_round(0.0f); - m.m[1][3] = qf2vt_round(0.0f); - m.m[2][3] = qf2vt_round(0.0f); - m.m[3][3] = qf2vt_round(1.0f); + m.m[0][0] = 2.0f / width; + m.m[1][0] = 0.0f; + m.m[2][0] = 0.0f; + m.m[3][0] = -(left + right) / width; + m.m[0][1] = 0.0f; + m.m[1][1] = 2.0f / invheight; + m.m[2][1] = 0.0f; + m.m[3][1] = -(top + bottom) / invheight; + m.m[0][2] = 0.0f; + m.m[1][2] = 0.0f; + m.m[2][2] = -2.0f / clip; + m.m[3][2] = -(nearPlane + farPlane) / clip; + m.m[0][3] = 0.0f; + m.m[1][3] = 0.0f; + m.m[2][3] = 0.0f; + m.m[3][3] = 1.0f; // Apply the projection. *this *= m; @@ -1189,22 +1188,22 @@ QMatrix4x4& QMatrix4x4::frustum(qreal left, qreal right, qreal bottom, qreal top qreal width = right - left; qreal invheight = top - bottom; qreal clip = farPlane - nearPlane; - m.m[0][0] = qf2vt_round(2.0f * nearPlane / width); - m.m[1][0] = qf2vt_round(0.0f); - m.m[2][0] = qf2vt_round((left + right) / width); - m.m[3][0] = qf2vt_round(0.0f); - m.m[0][1] = qf2vt_round(0.0f); - m.m[1][1] = qf2vt_round(2.0f * nearPlane / invheight); - m.m[2][1] = qf2vt_round((top + bottom) / invheight); - m.m[3][1] = qf2vt_round(0.0f); - m.m[0][2] = qf2vt_round(0.0f); - m.m[1][2] = qf2vt_round(0.0f); - m.m[2][2] = qf2vt_round(-(nearPlane + farPlane) / clip); - m.m[3][2] = qf2vt_round(-(2.0f * nearPlane * farPlane) / clip); - m.m[0][3] = qf2vt_round(0.0f); - m.m[1][3] = qf2vt_round(0.0f); - m.m[2][3] = qf2vt_round(-1.0f); - m.m[3][3] = qf2vt_round(0.0f); + m.m[0][0] = 2.0f * nearPlane / width; + m.m[1][0] = 0.0f; + m.m[2][0] = (left + right) / width; + m.m[3][0] = 0.0f; + m.m[0][1] = 0.0f; + m.m[1][1] = 2.0f * nearPlane / invheight; + m.m[2][1] = (top + bottom) / invheight; + m.m[3][1] = 0.0f; + m.m[0][2] = 0.0f; + m.m[1][2] = 0.0f; + m.m[2][2] = -(nearPlane + farPlane) / clip; + m.m[3][2] = -2.0f * nearPlane * farPlane / clip; + m.m[0][3] = 0.0f; + m.m[1][3] = 0.0f; + m.m[2][3] = -1.0f; + m.m[3][3] = 0.0f; // Apply the projection. *this *= m; @@ -1234,22 +1233,22 @@ QMatrix4x4& QMatrix4x4::perspective(qreal angle, qreal aspect, qreal nearPlane, return *this; qreal cotan = qCos(radians) / sine; qreal clip = farPlane - nearPlane; - m.m[0][0] = qf2vt_round(cotan / aspect); - m.m[1][0] = qf2vt_round(0.0f); - m.m[2][0] = qf2vt_round(0.0f); - m.m[3][0] = qf2vt_round(0.0f); - m.m[0][1] = qf2vt_round(0.0f); - m.m[1][1] = qf2vt_round(cotan); - m.m[2][1] = qf2vt_round(0.0f); - m.m[3][1] = qf2vt_round(0.0f); - m.m[0][2] = qf2vt_round(0.0f); - m.m[1][2] = qf2vt_round(0.0f); - m.m[2][2] = qf2vt_round(-(nearPlane + farPlane) / clip); - m.m[3][2] = qf2vt_round(-(2.0f * nearPlane * farPlane) / clip); - m.m[0][3] = qf2vt_round(0.0f); - m.m[1][3] = qf2vt_round(0.0f); - m.m[2][3] = qf2vt_round(-1.0f); - m.m[3][3] = qf2vt_round(0.0f); + m.m[0][0] = cotan / aspect; + m.m[1][0] = 0.0f; + m.m[2][0] = 0.0f; + m.m[3][0] = 0.0f; + m.m[0][1] = 0.0f; + m.m[1][1] = cotan; + m.m[2][1] = 0.0f; + m.m[3][1] = 0.0f; + m.m[0][2] = 0.0f; + m.m[1][2] = 0.0f; + m.m[2][2] = -(nearPlane + farPlane) / clip; + m.m[3][2] = -(2.0f * nearPlane * farPlane) / clip; + m.m[0][3] = 0.0f; + m.m[1][3] = 0.0f; + m.m[2][3] = -1.0f; + m.m[3][3] = 0.0f; // Apply the projection. *this *= m; @@ -1339,7 +1338,7 @@ void QMatrix4x4::toValueArray(qreal *values) const { for (int row = 0; row < 4; ++row) for (int col = 0; col < 4; ++col) - values[row * 4 + col] = qt_math3d_convert<qreal, qrealinner>(m[col][row]); + values[row * 4 + col] = qreal(m[col][row]); } /*! @@ -1351,12 +1350,9 @@ void QMatrix4x4::toValueArray(qreal *values) const */ QMatrix QMatrix4x4::toAffine() const { - return QMatrix(qt_math3d_convert<qreal, qrealinner>(m[0][0]), - qt_math3d_convert<qreal, qrealinner>(m[0][1]), - qt_math3d_convert<qreal, qrealinner>(m[1][0]), - qt_math3d_convert<qreal, qrealinner>(m[1][1]), - qt_math3d_convert<qreal, qrealinner>(m[3][0]), - qt_math3d_convert<qreal, qrealinner>(m[3][1])); + return QMatrix(qreal(m[0][0]), qreal(m[0][1]), + qreal(m[1][0]), qreal(m[1][1]), + qreal(m[3][0]), qreal(m[3][1])); } /*! @@ -1368,15 +1364,9 @@ QMatrix QMatrix4x4::toAffine() const */ QTransform QMatrix4x4::toTransform() const { - return QTransform(qt_math3d_convert<qreal, qrealinner>(m[0][0]), - qt_math3d_convert<qreal, qrealinner>(m[0][1]), - qt_math3d_convert<qreal, qrealinner>(m[0][3]), - qt_math3d_convert<qreal, qrealinner>(m[1][0]), - qt_math3d_convert<qreal, qrealinner>(m[1][1]), - qt_math3d_convert<qreal, qrealinner>(m[1][3]), - qt_math3d_convert<qreal, qrealinner>(m[3][0]), - qt_math3d_convert<qreal, qrealinner>(m[3][1]), - qt_math3d_convert<qreal, qrealinner>(m[3][3])); + return QTransform(qreal(m[0][0]), qreal(m[0][1]), qreal(m[0][3]), + qreal(m[1][0]), qreal(m[1][1]), qreal(m[1][3]), + qreal(m[3][0]), qreal(m[3][1]), qreal(m[3][3])); } /*! @@ -1442,7 +1432,7 @@ QTransform QMatrix4x4::toTransform() const */ /*! - \fn qrealinner *QMatrix4x4::data() + \fn float *QMatrix4x4::data() Returns a pointer to the raw data of this matrix. This is indended for use with raw GL functions. @@ -1451,7 +1441,7 @@ QTransform QMatrix4x4::toTransform() const */ /*! - \fn const qrealinner *QMatrix4x4::data() const + \fn const float *QMatrix4x4::data() const Returns a constant pointer to the raw data of this matrix. This is indended for use with raw GL functions. @@ -1460,7 +1450,7 @@ QTransform QMatrix4x4::toTransform() const */ /*! - \fn const qrealinner *QMatrix4x4::constData() const + \fn const float *QMatrix4x4::constData() const Returns a constant pointer to the raw data of this matrix. This is indended for use with raw GL functions. @@ -1519,8 +1509,8 @@ void QMatrix4x4::extractAxisRotation(qreal &angle, QVector3D &axis) const { // Orientation is dependent on the upper 3x3 matrix; subtract the // homogeneous scaling element from the trace of the 4x4 matrix - qrealinner tr = m[0][0] + m[1][1] + m[2][2]; - qreal cosa = qt_math3d_convert<qreal, qrealinner>(0.5f * (tr - 1.0f)); + float tr = m[0][0] + m[1][1] + m[2][2]; + qreal cosa = qreal(0.5f * (tr - 1.0f)); angle = acos(cosa) * 180.0f / M_PI; // Any axis will work if r is zero (means no rotation) @@ -1540,11 +1530,11 @@ void QMatrix4x4::extractAxisRotation(qreal &angle, QVector3D &axis) const } // rads == PI - qrealinner tmp; + float tmp; // r00 is maximum if ((m[0][0] >= m[2][2]) && (m[0][0] >= m[1][1])) { - axis.xp = 0.5f * qvtsqrt(m[0][0] - m[1][1] - m[2][2] + 1.0f); + axis.xp = 0.5f * qSqrt(m[0][0] - m[1][1] - m[2][2] + 1.0f); tmp = 0.5f / axis.x(); axis.yp = m[1][0] * tmp; axis.zp = m[2][0] * tmp; @@ -1552,7 +1542,7 @@ void QMatrix4x4::extractAxisRotation(qreal &angle, QVector3D &axis) const // r11 is maximum if ((m[1][1] >= m[2][2]) && (m[1][1] >= m[0][0])) { - axis.yp = 0.5f * qvtsqrt(m[1][1] - m[0][0] - m[2][2] + 1.0f); + axis.yp = 0.5f * qSqrt(m[1][1] - m[0][0] - m[2][2] + 1.0f); tmp = 0.5f / axis.y(); axis.xp = tmp * m[1][0]; axis.zp = tmp * m[2][1]; @@ -1560,7 +1550,7 @@ void QMatrix4x4::extractAxisRotation(qreal &angle, QVector3D &axis) const // r22 is maximum if ((m[2][2] >= m[1][1]) && (m[2][2] >= m[0][0])) { - axis.zp = 0.5f * qvtsqrt(m[2][2] - m[0][0] - m[1][1] + 1.0f); + axis.zp = 0.5f * qSqrt(m[2][2] - m[0][0] - m[1][1] + 1.0f); tmp = 0.5f / axis.z(); axis.xp = m[2][0]*tmp; axis.yp = m[2][1]*tmp; |