diff options
Diffstat (limited to 'source')
| -rw-r--r-- | source/blender/editors/uvedit/uvedit_unwrap_ops.c | 49 |
1 files changed, 34 insertions, 15 deletions
diff --git a/source/blender/editors/uvedit/uvedit_unwrap_ops.c b/source/blender/editors/uvedit/uvedit_unwrap_ops.c index b7fe8e0eddc..e6d18964cf1 100644 --- a/source/blender/editors/uvedit/uvedit_unwrap_ops.c +++ b/source/blender/editors/uvedit/uvedit_unwrap_ops.c @@ -881,9 +881,8 @@ static void uv_from_view_bounds(float target[2], float source[3], float rotmat[4 target[1] = pv[2]; } -static void uv_from_camera(float camsize, float xasp, float yasp, float target[2], float source[3], float rotmat[4][4], float cammat[4][4], int persp) +static void uv_from_camera(float camsize, float camangle, float xasp, float yasp, float target[2], float source[3], float rotmat[4][4], float cammat[4][4], int persp, int pano) { - float pv4[4]; copy_v3_v3(pv4, source); @@ -895,15 +894,31 @@ static void uv_from_camera(float camsize, float xasp, float yasp, float target[2 /* cammat is the inverse camera matrix */ mul_m4_v4(cammat, pv4); - if (pv4[2]==0.0f) pv4[2]=0.00001f; /* don't allow div by 0 */ - - if (persp&&CAM_ORTHO) { - target[0]=((pv4[0]/camsize)*xasp)+0.5f; - target[1]=((pv4[1]/camsize)*yasp)+0.5f; + if(pano) { + float angle= atan2f(pv4[0], -pv4[2]) / (M_PI * 2.0); /* angle around the camera */ + if (persp & CAM_ORTHO) { + target[0] = angle; /* no correct method here, just map to 0-1 */ + target[1] = pv4[1] / camsize; + } + else { + float vec2d[2]= {pv4[0], pv4[2]}; /* 2D position from the camera */ + target[0] = angle * (M_PI / camangle); + target[1] = pv4[1] / (len_v2(vec2d) * camsize); + } + target[0]+= 0.5f; /* aspect is ignored for now */ + target[1]+= 0.5f; } else { - target[0]=((-pv4[0]*(camsize/pv4[2])*xasp)/2)+0.5; - target[1]=((-pv4[1]*(camsize/pv4[2])*yasp)/2)+0.5; + if (pv4[2]==0.0f) pv4[2]=0.00001f; /* don't allow div by 0 */ + + if (persp & CAM_ORTHO) { + target[0]=((pv4[0]/camsize)*xasp)+0.5f; + target[1]=((pv4[1]/camsize)*yasp)+0.5f; + } + else { + target[0]=((-pv4[0]*((1.0f/camsize)/pv4[2])*xasp)/2)+0.5; + target[1]=((-pv4[1]*((1.0f/camsize)/pv4[2])*yasp)/2)+0.5; + } } } @@ -961,7 +976,7 @@ static int from_view_exec(bContext *C, wmOperator *op) EditFace *efa; MTFace *tf; float invmat[4][4],rotmat[4][4]; - float xasp, yasp, camsize; + float xasp, yasp, camsize, camangle; /* add uvs if they don't exist yet */ if(!ED_uvedit_ensure_uvs(C, scene, obedit)) { @@ -990,14 +1005,18 @@ static int from_view_exec(bContext *C, wmOperator *op) } } else if (camera) { + int pano = camera->flag & CAM_PANORAMA; + camangle= DEG2RAD(camera->angle)/2.0f; + if (camera->type==CAM_PERSP) { - camsize=1/tan(DEG2RAD(camera->angle)/2.0f); /* calcs ez as distance from camera plane to viewer */ + camsize= tanf(camangle); /* calcs ez as distance from camera plane to viewer */ } else { camsize=camera->ortho_scale; } if (invert_m4_m4(invmat, v3d->camera->obmat)) { + /* normal projection */ copy_m4_m4(rotmat, obedit->obmat); /* also make aspect ratio adjustment factors */ @@ -1014,11 +1033,11 @@ static int from_view_exec(bContext *C, wmOperator *op) if(efa->f & SELECT) { tf= CustomData_em_get(&em->fdata, efa->data, CD_MTFACE); - uv_from_camera(camsize, xasp, yasp, tf->uv[0], efa->v1->co, rotmat, invmat, camera->type); - uv_from_camera(camsize, xasp, yasp, tf->uv[1], efa->v2->co, rotmat, invmat, camera->type); - uv_from_camera(camsize, xasp, yasp, tf->uv[2], efa->v3->co, rotmat, invmat, camera->type); + uv_from_camera(camsize, camangle, xasp, yasp, tf->uv[0], efa->v1->co, rotmat, invmat, camera->type, pano); + uv_from_camera(camsize, camangle, xasp, yasp, tf->uv[1], efa->v2->co, rotmat, invmat, camera->type, pano); + uv_from_camera(camsize, camangle, xasp, yasp, tf->uv[2], efa->v3->co, rotmat, invmat, camera->type, pano); if(efa->v4) - uv_from_camera(camsize, xasp, yasp, tf->uv[3], efa->v4->co, rotmat, invmat, camera->type); + uv_from_camera(camsize, camangle, xasp, yasp, tf->uv[3], efa->v4->co, rotmat, invmat, camera->type, pano); } } } |