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Optimized GTX_matrix_interpolation axisAngle function
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@ -14,8 +14,8 @@ namespace glm
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rgbColor = tvec3<T, P>(hsv.z);
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else
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{
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T sector = floor(hsv.x / T(60));
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T frac = (hsv.x / T(60)) - sector;
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T sector = floor(hsv.x * (T(1) / T(60)));
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T frac = (hsv.x * (T(1) / T(60))) - sector;
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// factorial part of h
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T o = hsv.z * (T(1) - hsv.y);
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T p = hsv.z * (T(1) - hsv.y * frac);
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@ -25,12 +25,12 @@ namespace glm
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return;
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}
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angle = static_cast<T>(3.1415926535897932384626433832795);
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T xx = (mat[0][0] + (T)1.0) / (T)2.0;
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T yy = (mat[1][1] + (T)1.0) / (T)2.0;
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T zz = (mat[2][2] + (T)1.0) / (T)2.0;
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T xy = (mat[1][0] + mat[0][1]) / (T)4.0;
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T xz = (mat[2][0] + mat[0][2]) / (T)4.0;
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T yz = (mat[2][1] + mat[1][2]) / (T)4.0;
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T xx = (mat[0][0] + (T)1.0) * (T)0.5;
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T yy = (mat[1][1] + (T)1.0) * (T)0.5;
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T zz = (mat[2][2] + (T)1.0) * (T)0.5;
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T xy = (mat[1][0] + mat[0][1]) * (T)0.25;
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T xz = (mat[2][0] + mat[0][2]) * (T)0.25;
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T yz = (mat[2][1] + mat[1][2]) * (T)0.25;
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if((xx > yy) && (xx > zz))
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{
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if (xx < epsilon) {
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@ -72,7 +72,7 @@ namespace glm
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T s = sqrt((mat[2][1] - mat[1][2]) * (mat[2][1] - mat[1][2]) + (mat[2][0] - mat[0][2]) * (mat[2][0] - mat[0][2]) + (mat[1][0] - mat[0][1]) * (mat[1][0] - mat[0][1]));
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if (glm::abs(s) < T(0.001))
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s = (T)1.0;
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angle = acos((mat[0][0] + mat[1][1] + mat[2][2] - (T)1.0) / (T)2.0);
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angle = acos((mat[0][0] + mat[1][1] + mat[2][2] - (T)1.0) * (T)0.5);
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axis.x = (mat[1][2] - mat[2][1]) / s;
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axis.y = (mat[2][0] - mat[0][2]) / s;
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axis.z = (mat[0][1] - mat[1][0]) / s;
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@ -60,10 +60,12 @@ glm::mat4 camera(float Translate, glm::vec2 const & Rotate)
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- Added [GLM_ENABLE_EXPERIMENTAL](manual.md#section7_4) to enable experimental features.
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#### Improvements:
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- Added lowp variant of GTC_colorspace convertLinearToSRGB #419
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- Added lowp variant of GTC_color_space convertLinearToSRGB #419
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- Replaced the manual by a markdown version #458
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- Optimized GTC_packing implementation
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- Optimized noise functions
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- Optimized GTC_noise functions
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- Optimized GTC_color_space HSV to RGB conversions
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- Optimized GTX_matrix_interpolation axisAngle function
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- Added FAQ 12: Windows headers cause build errors... #557
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#### Fixes:
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