StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
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33 lines
870 B
33 lines
870 B
4 years ago
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module.exports = perspective;
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/**
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* Generates a perspective projection matrix with the given bounds
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*
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* @param {mat4} out mat4 frustum matrix will be written into
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* @param {number} fovy Vertical field of view in radians
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* @param {number} aspect Aspect ratio. typically viewport width/height
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* @param {number} near Near bound of the frustum
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* @param {number} far Far bound of the frustum
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* @returns {mat4} out
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*/
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function perspective(out, fovy, aspect, near, far) {
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var f = 1.0 / Math.tan(fovy / 2),
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nf = 1 / (near - far);
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out[0] = f / aspect;
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out[1] = 0;
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out[2] = 0;
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out[3] = 0;
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out[4] = 0;
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out[5] = f;
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out[6] = 0;
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out[7] = 0;
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out[8] = 0;
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out[9] = 0;
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out[10] = (far + near) * nf;
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out[11] = -1;
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out[12] = 0;
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out[13] = 0;
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out[14] = (2 * far * near) * nf;
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out[15] = 0;
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return out;
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};
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