[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [25603] trunk/blender/source/blender: Make manipulator axis fade away and become invisible when perpendicular to the screen .
Martin Poirier
theeth at yahoo.com
Tue Dec 29 02:12:54 CET 2009
Revision: 25603
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=25603
Author: theeth
Date: 2009-12-29 02:12:54 +0100 (Tue, 29 Dec 2009)
Log Message:
-----------
Make manipulator axis fade away and become invisible when perpendicular to the screen.
Move some more vars to RegionView3D from View3D
Also remove some code no longer used.
Modified Paths:
--------------
trunk/blender/source/blender/editors/transform/transform_manipulator.c
trunk/blender/source/blender/makesdna/DNA_view3d_types.h
Modified: trunk/blender/source/blender/editors/transform/transform_manipulator.c
===================================================================
--- trunk/blender/source/blender/editors/transform/transform_manipulator.c 2009-12-29 00:04:57 UTC (rev 25602)
+++ trunk/blender/source/blender/editors/transform/transform_manipulator.c 2009-12-29 01:12:54 UTC (rev 25603)
@@ -30,6 +30,7 @@
#include <stdlib.h>
#include <string.h>
#include <math.h>
+#include <float.h>
#ifndef WIN32
#include <unistd.h>
@@ -157,23 +158,23 @@
}
/* for pose mode */
-static void stats_pose(Scene *scene, View3D *v3d, bPoseChannel *pchan)
+static void stats_pose(Scene *scene, RegionView3D *rv3d, bPoseChannel *pchan)
{
Bone *bone= pchan->bone;
if(bone) {
if (bone->flag & BONE_TRANSFORM) {
calc_tw_center(scene, pchan->pose_head);
- protectflag_to_drawflags(pchan->protectflag, &v3d->twdrawflag);
+ protectflag_to_drawflags(pchan->protectflag, &rv3d->twdrawflag);
}
}
}
/* for editmode*/
-static void stats_editbone(View3D *v3d, EditBone *ebo)
+static void stats_editbone(RegionView3D *rv3d, EditBone *ebo)
{
if (ebo->flag & BONE_EDITMODE_LOCKED)
- protectflag_to_drawflags(OB_LOCK_LOC|OB_LOCK_ROT|OB_LOCK_SCALE, &v3d->twdrawflag);
+ protectflag_to_drawflags(OB_LOCK_LOC|OB_LOCK_ROT|OB_LOCK_SCALE, &rv3d->twdrawflag);
}
@@ -263,7 +264,7 @@
/* transform widget matrix */
unit_m4(rv3d->twmat);
- v3d->twdrawflag= 0xFFFF;
+ rv3d->twdrawflag= 0xFFFF;
/* transform widget centroid/center */
scene->twcent[0]= scene->twcent[1]= scene->twcent[2]= 0.0f;
@@ -308,7 +309,7 @@
totsel++;
}
if (ebo->flag & BONE_SELECTED) {
- stats_editbone(v3d, ebo);
+ stats_editbone(rv3d, ebo);
}
}
}
@@ -419,7 +420,7 @@
if(totsel) {
/* use channels to get stats */
for(pchan= ob->pose->chanbase.first; pchan; pchan= pchan->next) {
- stats_pose(scene, v3d, pchan);
+ stats_pose(scene, rv3d, pchan);
}
mul_v3_fl(scene->twcent, 1.0f/(float)totsel); // centroid!
@@ -466,7 +467,7 @@
if(ob==NULL)
ob= base->object;
calc_tw_center(scene, base->object->obmat[3]);
- protectflag_to_drawflags(base->object->protectflag, &v3d->twdrawflag);
+ protectflag_to_drawflags(base->object->protectflag, &rv3d->twdrawflag);
totsel++;
}
}
@@ -529,6 +530,44 @@
return totsel;
}
+/* don't draw axis perpendicular to the view */
+void test_manipulator_axis(const bContext *C)
+{
+ RegionView3D *rv3d= CTX_wm_region_view3d(C);
+ float angle;
+ float vec[3];
+
+ viewvector(rv3d, rv3d->twmat[3], vec);
+
+ angle = fabs(angle_v3v3(rv3d->twmat[0], vec));
+ if (angle > M_PI / 2) {
+ angle = M_PI - angle;
+ }
+ angle = rv3d->twangle[0] = 180.0f * angle / M_PI;
+ if (angle < 5) {
+ rv3d->twdrawflag &= ~(MAN_TRANS_X|MAN_SCALE_X);
+ }
+
+ angle = fabs(angle_v3v3(rv3d->twmat[1], vec));
+ if (angle > M_PI / 2) {
+ angle = M_PI - angle;
+ }
+ angle = rv3d->twangle[1] = 180.0f * angle / M_PI;
+ if (angle < 5) {
+ rv3d->twdrawflag &= ~(MAN_TRANS_Y|MAN_SCALE_Y);
+ }
+
+ angle = fabs(angle_v3v3(rv3d->twmat[2], vec));
+ if (angle > M_PI / 2) {
+ angle = M_PI - angle;
+ }
+ angle = rv3d->twangle[2] = 180.0f * angle / M_PI;
+ if (angle < 5) {
+ rv3d->twdrawflag &= ~(MAN_TRANS_Z|MAN_SCALE_Z);
+ }
+}
+
+
/* ******************** DRAWING STUFFIES *********** */
static float screen_aligned(RegionView3D *rv3d, float mat[][4])
@@ -631,24 +670,32 @@
}
}
+static char axisBlendAngle(float angle)
+{
+ if (angle > 20)
+ return 255;
+
+ if (angle < 5)
+ return 0;
+
+ return (char)(255.0f * (angle - 5) / 15.0f);
+}
+
/* three colors can be set;
grey for ghosting
moving: in transform theme color
else the red/green/blue
*/
-static void manipulator_setcolor(View3D *v3d, char axis, int colcode)
+static void manipulator_setcolor(View3D *v3d, char axis, int colcode, char alpha)
{
- float vec[4];
char col[4];
- vec[3]= 0.7f; // alpha set on 0.5, can be glEnabled or not
-
if(colcode==MAN_GHOST) {
glColor4ub(0, 0, 0, 70);
}
else if(colcode==MAN_MOVECOL) {
UI_GetThemeColor3ubv(TH_TRANSFORM, col);
- glColor4ub(col[0], col[1], col[2], 128);
+ glColor4ub(col[0], col[1], col[2], alpha);
}
else {
switch(axis) {
@@ -664,28 +711,28 @@
col[1]= col[1]<55?0:col[1]-55;
col[2]= col[2]<55?0:col[2]-55;
}
- glColor4ub(col[0], col[1], col[2], 128);
+ glColor4ub(col[0], col[1], col[2], alpha);
break;
case 'x':
- glColor4ub(220, 0, 0, 128);
+ glColor4ub(220, 0, 0, alpha);
break;
case 'y':
- glColor4ub(0, 220, 0, 128);
+ glColor4ub(0, 220, 0, alpha);
break;
case 'z':
- glColor4ub(30, 30, 220, 128);
+ glColor4ub(30, 30, 220, alpha);
break;
}
}
}
/* viewmatrix should have been set OK, also no shademode! */
-static void draw_manipulator_axes(View3D *v3d, int colcode, int flagx, int flagy, int flagz)
+static void draw_manipulator_axes(View3D *v3d, RegionView3D *rv3d, int colcode, int flagx, int flagy, int flagz)
{
/* axes */
if(flagx) {
- manipulator_setcolor(v3d, 'x', colcode);
+ manipulator_setcolor(v3d, 'x', colcode, axisBlendAngle(rv3d->twangle[0]));
if(flagx & MAN_SCALE_X) glLoadName(MAN_SCALE_X);
else if(flagx & MAN_TRANS_X) glLoadName(MAN_TRANS_X);
glBegin(GL_LINES);
@@ -696,7 +743,7 @@
if(flagy) {
if(flagy & MAN_SCALE_Y) glLoadName(MAN_SCALE_Y);
else if(flagy & MAN_TRANS_Y) glLoadName(MAN_TRANS_Y);
- manipulator_setcolor(v3d, 'y', colcode);
+ manipulator_setcolor(v3d, 'y', colcode, axisBlendAngle(rv3d->twangle[1]));
glBegin(GL_LINES);
glVertex3f(0.0f, 0.2f, 0.0f);
glVertex3f(0.0f, 1.0f, 0.0f);
@@ -705,7 +752,7 @@
if(flagz) {
if(flagz & MAN_SCALE_Z) glLoadName(MAN_SCALE_Z);
else if(flagz & MAN_TRANS_Z) glLoadName(MAN_TRANS_Z);
- manipulator_setcolor(v3d, 'z', colcode);
+ manipulator_setcolor(v3d, 'z', colcode, axisBlendAngle(rv3d->twangle[2]));
glBegin(GL_LINES);
glVertex3f(0.0f, 0.0f, 0.2f);
glVertex3f(0.0f, 0.0f, 1.0f);
@@ -713,17 +760,6 @@
}
}
-static void preOrtho(int ortho, float twmat[][4], int axis)
-{
- if (ortho == 0) {
- float omat[4][4];
- copy_m4_m4(omat, twmat);
- orthogonalize_m4(omat, axis);
- glPushMatrix();
- wmMultMatrix(omat);
- }
-}
-
static void preOrthoFront(int ortho, float twmat[][4], int axis)
{
if (ortho == 0) {
@@ -743,162 +779,6 @@
}
}
-/* only called while G.moving */
-static void draw_manipulator_rotate_ghost(View3D *v3d, RegionView3D *rv3d, int drawflags)
-{
- GLUquadricObj *qobj;
- float size, phi, startphi, vec[3], svec[3], matt[4][4], cross[3], tmat[3][3];
- int arcs= (G.rt!=2);
- int ortho;
-
- glDisable(GL_DEPTH_TEST);
-
- qobj= gluNewQuadric();
- gluQuadricDrawStyle(qobj, GLU_FILL);
-
- glColor4ub(0,0,0,64);
- glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
- glEnable(GL_BLEND);
-
- /* we need both [4][4] transforms, t->mat seems to be premul, not post for mat[][4] */
- copy_m4_m4(matt, rv3d->twmat); // to copy the parts outside of [3][3]
-// XXX mul_m4_m3m4(matt, t->mat, rv3d->twmat);
-
- /* Screen aligned view rot circle */
- if(drawflags & MAN_ROT_V) {
-
- /* prepare for screen aligned draw */
- glPushMatrix();
- size= screen_aligned(rv3d, rv3d->twmat);
-
- vec[0]= 0; // XXX (float)(t->con.imval[0] - t->center2d[0]);
- vec[1]= 0; // XXX (float)(t->con.imval[1] - t->center2d[1]);
- vec[2]= 0.0f;
- normalize_v3(vec);
-
- startphi= saacos( vec[1] );
- if(vec[0]<0.0) startphi= -startphi;
-
- phi= 0; // XXX (float)fmod(180.0*t->val/M_PI, 360.0);
- if(phi > 180.0) phi-= 360.0;
- else if(phi<-180.0) phi+= 360.0;
-
- gluPartialDisk(qobj, 0.0, size, 32, 1, 180.0*startphi/M_PI, phi);
-
- glPopMatrix();
- }
- else if(arcs) {
- float imat[3][3], ivmat[3][3];
- /* try to get the start rotation */
-
- svec[0]= 0; // XXX (float)(t->con.imval[0] - t->center2d[0]);
- svec[1]= 0; // XXX (float)(t->con.imval[1] - t->center2d[1]);
- svec[2]= 0.0f;
-
- /* screen aligned vec transform back to manipulator space */
- copy_m3_m4(ivmat, rv3d->viewinv);
- copy_m3_m4(tmat, rv3d->twmat);
- invert_m3_m3(imat, tmat);
- mul_m3_m3m3(tmat, imat, ivmat);
-
- mul_m3_v3(tmat, svec); // tmat is used further on
- normalize_v3(svec);
- }
-
- ortho = is_orthogonal_m4(rv3d->twmat);
-
- if (ortho) {
- wmMultMatrix(rv3d->twmat); // aligns with original widget
- }
-
-
- /* Z disk */
- if(drawflags & MAN_ROT_Z) {
- preOrtho(ortho, rv3d->twmat, 2);
-
- if(arcs) {
- /* correct for squeezed arc */
- svec[0]+= tmat[2][0];
- svec[1]+= tmat[2][1];
- normalize_v3(svec);
-
- startphi= (float)atan2(svec[0], svec[1]);
- }
- else startphi= 0.5f*(float)M_PI;
-
- VECCOPY(vec, rv3d->twmat[0]); // use x axis to detect rotation
- normalize_v3(vec);
- normalize_v3(matt[0]);
- phi= saacos( dot_v3v3(vec, matt[0]) );
- if(phi!=0.0) {
- cross_v3_v3v3(cross, vec, matt[0]); // results in z vector
- if(dot_v3v3(cross, rv3d->twmat[2]) > 0.0) phi= -phi;
- gluPartialDisk(qobj, 0.0, 1.0, 32, 1, 180.0*startphi/M_PI, 180.0*(phi)/M_PI);
- }
-
- postOrtho(ortho);
- }
- /* X disk */
- if(drawflags & MAN_ROT_X) {
- preOrtho(ortho, rv3d->twmat, 0);
-
- if(arcs) {
- /* correct for squeezed arc */
- svec[1]+= tmat[2][1];
- svec[2]+= tmat[2][2];
- normalize_v3(svec);
-
- startphi= (float)(M_PI + atan2(svec[2], -svec[1]));
- }
- else startphi= 0.0f;
-
- VECCOPY(vec, rv3d->twmat[1]); // use y axis to detect rotation
- normalize_v3(vec);
- normalize_v3(matt[1]);
- phi= saacos( dot_v3v3(vec, matt[1]) );
- if(phi!=0.0) {
- cross_v3_v3v3(cross, vec, matt[1]); // results in x vector
- if(dot_v3v3(cross, rv3d->twmat[0]) > 0.0) phi= -phi;
- glRotatef(90.0, 0.0, 1.0, 0.0);
- gluPartialDisk(qobj, 0.0, 1.0, 32, 1, 180.0*startphi/M_PI, 180.0*phi/M_PI);
- glRotatef(-90.0, 0.0, 1.0, 0.0);
- }
-
- postOrtho(ortho);
- }
- /* Y circle */
- if(drawflags & MAN_ROT_Y) {
- preOrtho(ortho, rv3d->twmat, 1);
-
- if(arcs) {
- /* correct for squeezed arc */
- svec[0]+= tmat[2][0];
- svec[2]+= tmat[2][2];
- normalize_v3(svec);
-
- startphi= (float)(M_PI + atan2(-svec[0], svec[2]));
- }
- else startphi= (float)M_PI;
-
- VECCOPY(vec, rv3d->twmat[2]); // use z axis to detect rotation
- normalize_v3(vec);
- normalize_v3(matt[2]);
- phi= saacos( dot_v3v3(vec, matt[2]) );
- if(phi!=0.0) {
- cross_v3_v3v3(cross, vec, matt[2]); // results in y vector
- if(dot_v3v3(cross, rv3d->twmat[1]) > 0.0) phi= -phi;
- glRotatef(-90.0, 1.0, 0.0, 0.0);
- gluPartialDisk(qobj, 0.0, 1.0, 32, 1, 180.0*startphi/M_PI, 180.0*phi/M_PI);
- glRotatef(90.0, 1.0, 0.0, 0.0);
- }
-
- postOrtho(ortho);
- }
-
@@ Diff output truncated at 10240 characters. @@
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