Function makeIdentityMatrix

brushviewer.js:28–46

(matrix)

    }

    function makeIdentityMatrix (matrix) {
        matrix[0] = 1.0;
        matrix[1] = 0.0;
        matrix[2] = 0.0;
        matrix[3] = 0.0;
        matrix[4] = 0.0;
        matrix[5] = 1.0;
        matrix[6] = 0.0;
        matrix[7] = 0.0;
        matrix[8] = 0.0;
        matrix[9] = 0.0;
        matrix[10] = 1.0;
        matrix[11] = 0.0;
        matrix[12] = 0.0;
        matrix[13] = 0.0;
        matrix[14] = 0.0;
        matrix[15] = 1.0;
        return matrix;
    }

    function premultiplyMatrix (out, matrixA, matrixB) { //out = matrixB * matrixA
        var b0 = matrixB[0], b4 = matrixB[4], b8 = matrixB[8], b12 = matrixB[12],