[Bf-blender-cvs] [6d85280ec3f] master: Fix T69458: Edit Mesh selection bug from camera view
mano-wii
noreply at git.blender.org
Wed Sep 11 18:06:49 CEST 2019
Commit: 6d85280ec3fb0c58b9a49f7da58d589483ad042c
Author: mano-wii
Date: Wed Sep 11 13:04:54 2019 -0300
Branches: master
https://developer.blender.org/rB6d85280ec3fb0c58b9a49f7da58d589483ad042c
Fix T69458: Edit Mesh selection bug from camera view
===================================================================
M source/blender/blenlib/intern/math_geom.c
===================================================================
diff --git a/source/blender/blenlib/intern/math_geom.c b/source/blender/blenlib/intern/math_geom.c
index f1575ed2b2d..a81dc018ed0 100644
--- a/source/blender/blenlib/intern/math_geom.c
+++ b/source/blender/blenlib/intern/math_geom.c
@@ -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;
-
-#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[0][0] *= x_sca;
+ r_projmat[1][1] *= y_sca;
- 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])
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