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Fix T69458: Edit Mesh selection bug from camera view

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This commit is contained in:
Germano Cavalcante
2019-09-11 13:04:54 -03:00
parent 7e245e482c
commit 6d85280ec3
1 changed files with 9 additions and 14 deletions
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23
source/blender/blenlib/intern/math_geom.c
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@@ -4773,29 +4773,24 @@ void projmat_from_subregion(const float projmat[4][4],
float rect_width = (float)(x_max - x_min);
float rect_height = (float)(y_max - y_min);
float x_sca = (float)win_size[0] / rect_width;
float y_sca = (float)win_size[1] / rect_height;
float x_fac = (float)((x_min + x_max) - win_size[0]) / rect_width;
float y_fac = (float)((y_min + y_max) - win_size[1]) / rect_height;
copy_m4_m4(r_projmat, projmat);
r_projmat[0][0] *= (float)win_size[0] / rect_width;
r_projmat[1][1] *= (float)win_size[1] / rect_height;
r_projmat[0][0] *= x_sca;
r_projmat[1][1] *= y_sca;
#if 0 /* TODO: check if this is more efficient. */
r_projmat[2][0] -= x_fac * r_projmat[2][3];
r_projmat[2][1] -= y_fac * r_projmat[2][3];
r_projmat[3][0] -= x_fac * r_projmat[3][3];
r_projmat[3][1] -= y_fac * r_projmat[3][3];
#else
if (projmat[3][3] == 0.0f) {
r_projmat[2][0] += x_fac;
r_projmat[2][1] += y_fac;
r_projmat[2][0] = r_projmat[2][0] * x_sca + x_fac;
r_projmat[2][1] = r_projmat[2][1] * y_sca + y_fac;
}
else {
r_projmat[3][0] -= x_fac;
r_projmat[3][1] -= y_fac;
r_projmat[3][0] = r_projmat[3][0] * x_sca - x_fac;
r_projmat[3][1] = r_projmat[3][1] * y_sca - y_fac;
}
#endif
}
static void i_multmatrix(float icand[4][4], float Vm[4][4])