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Patch provided by Campbell Barton; this makes the editmode Mesh CTRL+T

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"convert to triangles" check for shortest diagonal to decide how the
triangles will be made.

Fun todo for another occasion; check on facenormals too...
This commit is contained in:
Ton Roosendaal
2005-08-14 10:58:17 +00:00
parent 524d3493f7
commit f47f8d9418
1 changed files with 37 additions and 12 deletions
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49
source/blender/src/editmesh_tools.c
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@@ -146,19 +146,44 @@ void convert_to_triface(int all)
next= efa->prev;
if(efa->v4) {
if(all || (efa->f & SELECT) ) {
efan= addfacelist(efa->v1, efa->v2, efa->v3, 0, efa, NULL);
if(efa->f & SELECT) EM_select_face(efan, 1);
efan= addfacelist(efa->v1, efa->v3, efa->v4, 0, efa, NULL);
if(efa->f & SELECT) EM_select_face(efan, 1);
/* choose shortest diagonal for split */
if(VecLenf(efa->v1->co, efa->v3->co) <= VecLenf(efa->v2->co, efa->v4->co)) {
efan= addfacelist(efa->v1, efa->v2, efa->v3, 0, efa, NULL);
if(efa->f & SELECT) EM_select_face(efan, 1);
efan= addfacelist(efa->v1, efa->v3, efa->v4, 0, efa, NULL);
if(efa->f & SELECT) EM_select_face(efan, 1);
efan->tf.uv[1][0]= efan->tf.uv[2][0];
efan->tf.uv[1][1]= efan->tf.uv[2][1];
efan->tf.uv[2][0]= efan->tf.uv[3][0];
efan->tf.uv[2][1]= efan->tf.uv[3][1];
efan->tf.col[1]= efan->tf.col[2];
efan->tf.col[2]= efan->tf.col[3];
efan->tf.uv[1][0]= efan->tf.uv[2][0];
efan->tf.uv[1][1]= efan->tf.uv[2][1];
efan->tf.uv[2][0]= efan->tf.uv[3][0];
efan->tf.uv[2][1]= efan->tf.uv[3][1];
efan->tf.col[1]= efan->tf.col[2];
efan->tf.col[2]= efan->tf.col[3];
}
else {
efan= addfacelist(efa->v1, efa->v2, efa->v4, 0, efa, NULL);
if(efa->f & SELECT) EM_select_face(efan, 1);
efan->tf.uv[2][0]= efan->tf.uv[3][0];
efan->tf.uv[2][1]= efan->tf.uv[3][1];
efan->tf.col[2]= efan->tf.col[3];
efan= addfacelist(efa->v2, efa->v3, efa->v4, 0, efa, NULL);
if(efa->f & SELECT) EM_select_face(efan, 1);
efan->tf.uv[0][0]= efan->tf.uv[1][0];
efan->tf.uv[0][1]= efan->tf.uv[1][1];
efan->tf.uv[1][0]= efan->tf.uv[2][0];
efan->tf.uv[1][1]= efan->tf.uv[2][1];
efan->tf.uv[2][0]= efan->tf.uv[3][0];
efan->tf.uv[2][1]= efan->tf.uv[3][1];
efan->tf.col[0]= efan->tf.col[1];
efan->tf.col[1]= efan->tf.col[2];
efan->tf.col[2]= efan->tf.col[3];
}
BLI_remlink(&em->faces, efa);
free_editface(efa);